/* ─── Color & Theme System ────────────────────────────────────────────────────
   --c       : main ink color as RGB triplet (so rgba() can be themed)
   --c-bg    : page surface RGB triplet
   --th-*    : component-level tokens that themes can override individually
   To add a new theme module:
     1. Define [data-theme="my-id"] { --c: …; --c-bg: …; --th-*: …; }
     2. ThemeRegistry.register("my-id", { label, swatch })
     3. applyTheme("my-id")
   ─────────────────────────────────────────────────────────────────────────── */
:root {
  color-scheme: light;
  /* Core color triplets — all rgba() in this stylesheet derive from these */
  --c: 31, 37, 34;
  --c-bg: 255, 255, 255;

  /* Semantic aliases (preserved names so existing JS keeps working) */
  --ink: rgb(var(--c));
  --muted: rgba(var(--c), 0.55);
  --line: rgba(var(--c), 0.1);

  /* Paper tones — refined to near-white with very subtle tints */
  --paper: #ffffff;
  --paper-cool: #fafcfb;
  --paper-blue: #f9fbfe;
  --paper-rose: #fdfbfa;
  --paper-yellow: #fefdf6;
  --wall: #ffffff;

  /* Accents (board-driven, set via JS) */
  --accent: #2f725d;
  --accent-2: #c65f43;

  /* Theme tokens */
  --th-pin-shadow: rgba(var(--c), 0.18);
  --th-card-ring: rgba(var(--c), 0.04);
  --th-bar-bg: rgba(var(--c-bg), 0.86);
  --th-bar-border: rgba(var(--c), 0.05);
  --th-overlay-bg: rgba(var(--c), 0.18);
  --th-detail-bg: rgba(var(--c-bg), 0.92);

  /* Shadows — softer & more layered */
  --shadow: 0 1px 0 rgba(var(--c), 0.04), 0 12px 36px -10px rgba(var(--c), 0.16);
  --soft-shadow: 0 1px 0 rgba(var(--c), 0.03), 0 6px 18px -8px rgba(var(--c), 0.1);

  --radius: 10px;
  --radius-lg: 16px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  /* Easing */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* Sticker font fallback chain */
  --font-classic: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --font-modern: "ZCOOL XiaoWei", "Songti SC", serif;
  --font-hand: "Ma Shan Zheng", "KaiTi", cursive;
  --font-brush: "Long Cang", "KaiTi", cursive;
  --font-cute: "ZCOOL QingKe HuangYou", "PingFang SC", sans-serif;
  --font-bold: "ZCOOL KuaiLe", "PingFang SC", sans-serif;

  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

/* ─── Theme variants ──────────────────────────────────────────────────────── */

[data-theme="warm"] {
  --c: 38, 28, 14;
  --c-bg: 254, 251, 245;
  --paper: #fffaf0;
  --paper-cool: #fdf6e8;
  --paper-blue: #f9f4eb;
  --paper-rose: #fdf2e8;
  --paper-yellow: #fef7d8;
  --accent: #b3692a;
  --accent-2: #a4572a;
  --th-pin-shadow: rgba(160, 90, 30, 0.2);
}

[data-theme="spring"] {
  --c: 24, 38, 28;
  --c-bg: 252, 255, 250;
  --paper: #ffffff;
  --paper-cool: #f3faec;
  --paper-blue: #effaf2;
  --paper-rose: #f6faec;
  --paper-yellow: #fafde0;
  --accent: #3a8a28;
  --accent-2: #5e9d3c;
  --th-pin-shadow: rgba(58, 138, 40, 0.2);
}

[data-theme="night"] {
  --c: 232, 232, 232;
  --c-bg: 12, 12, 12;
  --paper: #161616;
  --paper-cool: #161c1a;
  --paper-blue: #15171d;
  --paper-rose: #1a1615;
  --paper-yellow: #1a1814;
  --wall: #0a0a0a;
  --accent: #6dd1a8;
  --accent-2: #e8916f;
  --th-bar-bg: rgba(18, 18, 18, 0.78);
  --th-bar-border: rgba(255, 255, 255, 0.05);
  --th-detail-bg: rgba(8, 8, 8, 0.92);
  --th-overlay-bg: rgba(0, 0, 0, 0.62);
  --th-card-ring: rgba(255, 255, 255, 0.05);
  --th-pin-shadow: rgba(0, 0, 0, 0.6);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 16px 36px -12px rgba(0, 0, 0, 0.6);
  --soft-shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 8px 22px -8px rgba(0, 0, 0, 0.55);
}

/* Night-mode component touch-ups for legibility & material feel */

[data-theme="night"] .wall-card { --card-bg: var(--paper); }
[data-theme="night"] .wall-card:nth-of-type(5n+2) { --card-bg: var(--paper-cool); }
[data-theme="night"] .wall-card:nth-of-type(5n+3) { --card-bg: var(--paper-blue); }
[data-theme="night"] .wall-card:nth-of-type(5n+4) { --card-bg: var(--paper-rose); }
[data-theme="night"] .wall-card:nth-of-type(5n+5) { --card-bg: var(--paper-yellow); }

[data-theme="night"] .wall-card-button,
[data-theme="night"] .portal-card-button,
[data-theme="night"] .utility-card-body {
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 12px -6px rgba(0, 0, 0, 0.6);
}

[data-theme="night"] .wall-card-button:hover,
[data-theme="night"] .portal-card-button:hover,
[data-theme="night"] .wall-card-button:focus-visible,
[data-theme="night"] .portal-card-button:focus-visible {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 4px 18px -8px rgba(0, 0, 0, 0.7);
}

[data-theme="night"] .wall-card-button::before,
[data-theme="night"] .portal-card-button::before,
[data-theme="night"] .utility-card-body::before {
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.42), transparent 38%),
    var(--pin-color, #b95747);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 3px 6px rgba(0, 0, 0, 0.4);
}

[data-theme="night"] .photo-stack img {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 6px 18px -6px rgba(0, 0, 0, 0.6);
}

[data-theme="night"] .menu-button,
[data-theme="night"] .compose-button,
[data-theme="night"] .submit-button {
  background: rgb(var(--c));
  color: rgb(var(--c-bg));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 14px 30px -10px rgba(0, 0, 0, 0.7);
}

[data-theme="night"] .toast {
  background: rgb(var(--c));
  color: rgb(var(--c-bg));
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.6);
}

[data-theme="night"] .icon-button,
[data-theme="night"] .nav-button {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="night"] .icon-button:hover,
[data-theme="night"] .nav-button:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="night"] .icon-button span,
[data-theme="night"] .nav-button span {
  background: var(--ink);
}

[data-theme="night"] input,
[data-theme="night"] textarea,
[data-theme="night"] select {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="night"] input:focus,
[data-theme="night"] textarea:focus,
[data-theme="night"] select:focus {
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.04);
}

[data-theme="night"] .reaction-button {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="night"] .reaction-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="night"] .comment-card {
  background: var(--paper);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 12px -6px rgba(0, 0, 0, 0.55);
}

[data-theme="night"] .comment-images {
  background: rgb(var(--c));
  color: rgb(var(--c-bg));
}

[data-theme="night"] .child-board-chip {
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 12%, var(--paper) 88%);
  border-color: color-mix(in srgb, var(--chip-color, var(--accent)) 26%, transparent);
}

[data-theme="night"] .topic {
  color: var(--accent);
}

[data-theme="night"] .hash-tag {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}

[data-theme="night"] .profile-cover {
  background:
    radial-gradient(circle at 22% 28%, rgba(255, 255, 255, 0.05), transparent 56%),
    radial-gradient(circle at 78% 64%, rgba(255, 255, 255, 0.04), transparent 50%),
    color-mix(in srgb, var(--profile-color, var(--accent)) 22%, var(--paper) 78%);
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="night"] .profile-avatar {
  border-color: var(--paper);
}

[data-theme="night"] .profile-signature,
[data-theme="night"] .profile-stat,
[data-theme="night"] .profile-sticker {
  background: var(--paper);
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="night"] .person-link {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="night"] .person-link:hover {
  background: rgba(255, 255, 255, 0.09);
}

[data-theme="night"] .wall-doodle {
  color: rgba(255, 255, 255, 0.04);
}

[data-theme="night"] .co-post-toggle::before {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
}

[data-theme="night"] .co-post-toggle.is-active::before {
  background: rgb(var(--c));
  background-image: linear-gradient(45deg, transparent 40%, rgb(var(--c-bg)) 40%, rgb(var(--c-bg)) 50%, transparent 50%),
    linear-gradient(-45deg, transparent 50%, rgb(var(--c-bg)) 50%, rgb(var(--c-bg)) 60%, transparent 60%);
  background-size: 70% 2px, 70% 2px;
  background-position: 4px 9px, 9px 7px;
  background-repeat: no-repeat;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
}

/* ─── Custom Scrollbar ────────────────────────────────────────────────────── */

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--c), 0.16) transparent;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(var(--c), 0.14);
  border-radius: 999px;
  transition: background 200ms ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--c), 0.28);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

body {
  height: 100%;
  min-height: 100%;
  color: var(--ink);
  background: var(--wall);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background 360ms var(--ease-out), color 360ms var(--ease-out);
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
select,
input,
textarea {
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(var(--c-bg), 0.96);
  outline: 0;
  transition: border-color 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

input,
textarea {
  padding: 0.78rem 0.82rem;
}

select {
  min-height: 2.75rem;
  padding: 0 0.78rem;
}

textarea {
  resize: vertical;
  line-height: 1.6;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(var(--c), 0.28);
  box-shadow: 0 0 0 3px rgba(var(--c), 0.06);
  outline: 0;
}

button:focus-visible {
  outline: 2px solid rgba(var(--c), 0.4);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.device-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 100svh;
  min-height: 0;
  margin: 0 auto;
  overflow-x: hidden;
  overflow-y: hidden;
  overscroll-behavior-y: contain;
  background: var(--wall);
  scrollbar-width: none;
}

.device-frame::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.app-window,
.window-view {
  height: 100svh;
  min-height: 0;
}

.app-window {
  position: relative;
  overflow: hidden;
  background: var(--wall);
  --header-height: calc(54px + env(safe-area-inset-top, 0px));
  scrollbar-width: none;
}

.app-window::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.window-view {
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
  padding-bottom: calc(1.2rem + var(--safe-bottom));
  animation: none;
}

.window-view[hidden] {
  display: none;
}

.menu-view,
.board-view,
.utility-view {
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

@keyframes window-in {
  from {
    opacity: 0;
    translate: 0 8px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@keyframes menu-pull-down {
  from {
    opacity: 0.98;
    translate: 0 -18px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@keyframes menu-collapse-home {
  from {
    opacity: 0.72;
    translate: 0 16px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@keyframes menu-bar-pull {
  from {
    translate: 0 -100%;
  }
  to {
    translate: 0 0;
  }
}

@keyframes home-bar-return {
  from {
    translate: 0 12px;
  }
  to {
    translate: 0 0;
  }
}

.window-view[data-motion="menu-pull"] {
  animation: menu-pull-down 420ms var(--ease-spring) both;
  backface-visibility: hidden;
  contain: paint;
  scrollbar-width: none;
}

.window-view[data-motion="menu-collapse"] {
  animation: menu-collapse-home 320ms var(--ease-out) both;
  backface-visibility: hidden;
  contain: paint;
  scrollbar-width: none;
}

.window-view[data-motion]::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

body.is-window-transition .device-frame,
body.is-window-transition .app-window,
body.is-window-transition .window-view {
  scrollbar-width: none;
}

body.is-window-transition .device-frame::-webkit-scrollbar,
body.is-window-transition .app-window::-webkit-scrollbar,
body.is-window-transition .window-view::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.menu-view[data-motion="menu-pull"] .window-bar {
  animation: menu-bar-pull 420ms var(--ease-spring) both;
}

.home-view[data-motion="menu-collapse"] .home-head {
  animation: home-bar-return 320ms var(--ease-out) both;
}

.eyebrow {
  margin: 0 0 0.32rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: uppercase;
}

.home-head {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  translate: 0 0;
  width: min(100vw, 480px);
  max-width: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: calc(54px + env(safe-area-inset-top, 0px));
  padding: max(0.45rem, env(safe-area-inset-top, 0px)) 0.55rem 0.42rem;
  background: var(--th-bar-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--th-bar-border);
  transition: background 260ms var(--ease-out), border-color 260ms var(--ease-out);
}

.home-head > div {
  flex: 1 1 auto;
  min-width: 0;
}

.home-head h1,
.menu-intro h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 2.55rem;
  font-weight: 800;
  line-height: 0.96;
}

.home-head h1 {
  font-family: inherit;
  font-size: 1.12rem;
  line-height: 1.1;
}

.home-head p:last-child {
  display: none;
}

/* ─── Title Tab (dropdown trigger) ────────────────────────────────────────── */

.title-tab {
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  gap: 0.04rem;
  padding: 0.36rem 0.5rem;
  margin-left: -0.18rem;
  border-radius: 12px;
  background: transparent;
  text-align: left;
  transition: background 200ms var(--ease-out);
}

.title-tab:hover,
.title-tab:focus-visible {
  background: rgba(var(--c), 0.04);
  outline: none;
}

.title-tab .eyebrow {
  margin: 0;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.title-tab h1 {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.005em;
}

.dd-arrow {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 220ms var(--ease-spring);
  opacity: 0.6;
}

.title-tab[aria-expanded="true"] .dd-arrow {
  transform: translateY(2px) rotate(-135deg);
}

/* ─── Dropdown Panel ──────────────────────────────────────────────────────── */

.dropdown-panel {
  position: fixed;
  z-index: 28;
  top: calc(54px + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: min(94%, 460px);
  max-height: 60vh;
  overflow: auto;
  margin: 0.42rem 0 0;
  padding: 0.45rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.06);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(var(--c), 0.04), 0 18px 44px -16px rgba(var(--c), 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease-out), transform 280ms var(--ease-spring);
}

.dropdown-panel[hidden] {
  display: none;
}

.dropdown-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 12px;
  background: transparent;
  border: 1px solid transparent;
  text-align: left;
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.dropdown-row:hover,
.dropdown-row:focus-visible,
.dropdown-row.is-active {
  background: rgba(var(--c), 0.04);
  border-color: rgba(var(--c), 0.06);
  outline: none;
}

.dropdown-row.is-active {
  background: rgba(var(--c), 0.06);
}

.dropdown-row .row-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--row-color, currentColor);
  justify-self: center;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--row-color, var(--accent)) 12%, transparent);
}

.dropdown-row .row-label {
  display: grid;
  gap: 0.08rem;
  min-width: 0;
}

.dropdown-row .row-name {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.005em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-row .row-desc {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-row .row-meta {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.dropdown-section {
  display: grid;
  gap: 0.18rem;
  margin: 0.28rem 0 0.45rem;
}

.dropdown-section + .dropdown-section {
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px dashed rgba(var(--c), 0.08);
}

.dropdown-section h5 {
  margin: 0.18rem 0.2rem 0.18rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Theme Panel ─────────────────────────────────────────────────────────── */

.theme-panel {
  width: min(94%, 360px);
  padding: 0.7rem;
}

.theme-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.theme-card {
  position: relative;
  display: grid;
  gap: 0.42rem;
  padding: 0.7rem 0.7rem 0.65rem;
  border-radius: 12px;
  border: 1.5px solid transparent;
  background: rgba(var(--c), 0.03);
  text-align: left;
  transition:
    translate 220ms var(--ease-spring),
    border-color 200ms var(--ease-out),
    background 200ms var(--ease-out);
}

.theme-card:hover {
  translate: 0 -1px;
  background: rgba(var(--c), 0.05);
}

.theme-card.is-active {
  border-color: rgba(var(--c), 0.4);
  background: rgba(var(--c), 0.06);
}

.theme-card-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  border-radius: 8px;
  overflow: hidden;
  height: 38px;
}

.theme-card-swatches span {
  display: block;
  height: 100%;
}

.theme-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.theme-card-meta strong {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.theme-card-meta small {
  font-size: 0.66rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.menu-button {
  position: static;
  z-index: 22;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 42px;
  width: 4.2rem;
  padding: 0 0.95rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.96);
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 12px 28px -8px rgba(var(--c), 0.24);
  color: rgb(var(--c-bg));
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition:
    translate 220ms var(--ease-spring),
    box-shadow 220ms var(--ease-out),
    background 260ms var(--ease-out);
}

.menu-button:hover,
.menu-button:focus-visible {
  translate: 0 -1px;
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 16px 32px -10px rgba(var(--c), 0.28);
}

.menu-button:active {
  translate: 0 0;
}

.menu-intro {
  padding: 0.45rem 0.62rem 0.5rem;
}

.menu-intro h1 {
  font-size: 2.05rem;
}

.menu-intro p:last-child {
  width: min(19rem, 100%);
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.menu-quick-boards {
  display: grid;
  gap: 0.34rem;
  padding: 0 0.5rem 0.52rem;
}

.quick-board-row {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  align-items: center;
  gap: 0.34rem;
}

.quick-board-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.quick-board-strip {
  display: flex;
  gap: 0.32rem;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.quick-board-strip::-webkit-scrollbar {
  display: none;
}

.quick-board-chip,
.quick-board-empty {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  min-height: 30px;
  padding: 0 0.58rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 8%, rgb(var(--c-bg)) 92%);
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background 180ms var(--ease-out), scale 180ms var(--ease-spring);
}

.quick-board-chip:hover,
.quick-board-chip:focus-visible {
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 14%, rgb(var(--c-bg)) 86%);
}

.quick-board-chip:active {
  scale: 0.96;
}

.quick-board-chip small {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 800;
}

.quick-board-empty {
  color: var(--muted);
  background: rgba(var(--c), 0.04);
}

.window-bar {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  translate: 0 0;
  width: min(100vw, 480px);
  max-width: none;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.4rem;
  min-height: calc(54px + env(safe-area-inset-top, 0px));
  padding: max(0.4rem, env(safe-area-inset-top, 0px)) 0.48rem 0.34rem;
  background: var(--th-bar-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--th-bar-border);
  transition: background 260ms var(--ease-out), border-color 260ms var(--ease-out);
}

.window-title {
  min-width: 0;
}

.window-title h2 {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1.12rem;
  line-height: 1.2;
}

.nav-button,
.nav-text-button,
.bar-spacer {
  min-height: 44px;
}

.nav-button {
  position: relative;
  width: 44px;
  border-radius: 50%;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.nav-button:hover,
.nav-button:focus-visible {
  background: rgba(var(--c), 0.05);
  scale: 1.04;
}

.nav-button:active {
  scale: 0.96;
}

.nav-button span {
  position: absolute;
  left: 17px;
  top: 16px;
  width: 12px;
  height: 12px;
  border-left: 1.8px solid var(--ink);
  border-bottom: 1.8px solid var(--ink);
  border-radius: 1px;
  transform: rotate(45deg);
}

.nav-button--up span {
  left: 16px;
  top: 18px;
  transform: rotate(135deg);
}

.nav-text-button {
  border-radius: 999px;
  padding: 0 0.7rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.nav-text-button:hover,
.nav-text-button:focus-visible {
  background: rgba(var(--c), 0.05);
}

/* ─── Wall Switcher (scope popover + sort) ───────────────────────────────── */

.wall-switcher {
  position: sticky;
  top: var(--header-height, 56px);
  z-index: 18;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  background: linear-gradient(to bottom, var(--wall) 92%, transparent);
  border-bottom: 1px solid rgba(var(--c), 0.05);
  --sort-width: 4.65rem;
}

/* Sort dropdown */
.wall-sort {
  position: relative;
  z-index: 4;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  width: var(--sort-width);
  height: 32px;
  min-height: 32px;
  padding: 0 0.7rem;
  margin: 0.36rem 0.48rem 0.36rem 0.24rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  box-shadow: 0 1px 0 rgba(var(--c), 0.04);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.wall-sort:hover { background: rgba(var(--c), 0.09); }
.wall-sort .ic-caret {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: 0.6;
}

.sort-popover {
  position: absolute;
  z-index: 28;
  right: 0.55rem;
  top: calc(100% - 4px);
  margin: 0;
  padding: 0.32rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.08);
  border-radius: 12px;
  min-width: 130px;
  box-shadow: 0 14px 32px -10px rgba(var(--c), 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 200ms var(--ease-out), transform 220ms var(--ease-spring);
}

.sort-popover[hidden] { display: none; }

.sort-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sort-popover button {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  padding: 0.42rem 0.55rem;
  border-radius: 9px;
  background: transparent;
  text-align: left;
  font-size: 0.84rem;
  font-weight: 600;
}

.sort-popover button:hover { background: rgba(var(--c), 0.05); }

.sort-popover button.is-active {
  background: rgba(var(--c), 0.06);
  color: var(--accent);
}

.wall-tabs-spacer {
  flex: 1 1 auto;
}

/* ─── Wall Tabs (board-switcher row) ──────────────────────────────────────── */

.wall-tabs {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.36rem;
  align-items: center;
  min-height: var(--switcher-height, 48px);
  padding: 0.36rem 0 0.36rem 0.48rem;
  margin: 0;
  overflow-x: hidden;
  overflow-y: hidden;
  background:
    linear-gradient(to bottom, var(--wall) 84%, transparent);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.wall-tabs::-webkit-scrollbar {
  display: none;
}

.wall-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  height: 32px;
  min-height: 32px;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  color: rgba(var(--c), 0.66);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition:
    background 200ms var(--ease-out),
    color 200ms var(--ease-out),
    scale 220ms var(--ease-spring);
}

.wall-tab:hover {
  background: rgba(var(--c), 0.08);
  color: var(--ink);
}

.wall-tab:active { scale: 0.96; }

.wall-tab.is-active {
  background: rgba(var(--c), 0.92);
  color: rgb(var(--c-bg));
}

.wall-mode-trigger {
  grid-column: 1;
  min-width: 4.1rem;
  justify-content: center;
  padding: 0 0.72rem;
}

.wall-mode-name {
  font-size: 0.8rem;
}

.wall-mode-trigger .ic-caret {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: 0.68;
}

.wall-mode-popover {
  position: absolute;
  z-index: 28;
  left: 0.55rem;
  top: calc(100% - 4px);
  margin: 0;
  padding: 0.32rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.08);
  border-radius: 12px;
  min-width: 130px;
  box-shadow: 0 14px 32px -10px rgba(var(--c), 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 200ms var(--ease-out), transform 220ms var(--ease-spring);
}

.wall-mode-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.wall-mode-popover button {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  padding: 0.42rem 0.55rem;
  border-radius: 9px;
  background: transparent;
  text-align: left;
  font-size: 0.84rem;
  font-weight: 600;
}

.wall-mode-popover button:hover { background: rgba(var(--c), 0.05); }

.wall-mode-popover button.is-active {
  background: rgba(var(--c), 0.06);
  color: var(--accent);
}

.wall-board-list {
  grid-column: 2;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.32rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding-right: 0.12rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.wall-board-list::-webkit-scrollbar {
  display: none;
}

.wall-board-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  height: 32px;
  min-height: 32px;
  padding: 0 0.58rem 0 0.44rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.045);
  color: rgba(var(--c), 0.72);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background 180ms var(--ease-out), color 180ms var(--ease-out), scale 200ms var(--ease-spring);
}

.wall-board-chip:hover,
.wall-board-chip:focus-visible {
  background: rgba(var(--c), 0.08);
  color: var(--ink);
}

.wall-board-chip:active {
  scale: 0.96;
}

.wall-board-chip.is-current {
  background: rgba(var(--c), 0.9);
  color: rgb(var(--c-bg));
}

.wall-board-chip .chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip-color, currentColor);
  box-shadow: 0 0 0 2px rgba(var(--c-bg), 0.38);
}

.wall-board-chip.is-current .chip-dot {
  background: currentColor;
}

.wall-board-chip .chip-name {
  max-width: 5.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wall-board-chip .chip-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.05rem;
  height: 1.05rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.08);
  color: rgba(var(--c), 0.62);
  font-size: 0.58rem;
}

.wall-board-chip.is-current .chip-count {
  background: rgba(var(--c-bg), 0.18);
  color: rgb(var(--c-bg));
}

.wall-board-empty {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.035);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.wall-tab .tab-count {
  display: inline-grid;
  place-items: center;
  min-width: 1rem;
  height: 1.05rem;
  padding: 0 0.32rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.1);
  color: rgba(var(--c), 0.7);
  font-size: 0.6rem;
  font-weight: 700;
}

.wall-tab.is-active .tab-count {
  background: rgba(var(--c-bg), 0.18);
  color: rgb(var(--c-bg));
}

[data-theme="night"] .wall-tabs {
  background: linear-gradient(to bottom, var(--wall) 84%, transparent);
}

.wall-shell {
  position: relative;
  padding: 0.36rem 0.36rem 0.8rem;
}

.home-view {
  --home-top-extra: 0.28rem;
  padding-top: calc(var(--header-height) + var(--home-top-extra));
}

.board-view {
  padding-top: 0;
  --board-switcher-top: calc(var(--header-height) + 0.18rem);
}

.board-view .wall-switcher {
  top: var(--board-switcher-top);
  margin-top: var(--board-switcher-top);
}

.home-view .wall-switcher {
  position: relative;
  top: auto;
}

.home-shell {
  height: calc(100svh - var(--header-height) - var(--home-top-extra) - var(--switcher-height, 48px) - var(--safe-bottom));
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0.16rem 0.18rem 0.8rem;
  scrollbar-gutter: stable;
}

.board-shell,
.utility-shell {
  padding-top: 0.3rem;
}

.wall-ruler {
  position: absolute;
  inset: 0.34rem 0.36rem auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  height: calc(100% - 1rem);
  opacity: 0.5;
  pointer-events: none;
}

.home-shell .wall-ruler {
  inset: 0.16rem 0.18rem auto;
  gap: 5px;
}

.wall-ruler span {
  border-left: 1px dashed rgba(var(--c), 0.05);
}

.wall {
  position: relative;
  z-index: 1;
  min-height: calc(100svh - 3.3rem);
  transition: height 260ms ease;
}

.wall.is-empty::before {
  content: "这面墙还在等第一张纸条";
  position: absolute;
  inset: 4rem 1rem auto;
  color: var(--muted);
  text-align: center;
}

.wall-card {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 25%;
  border-radius: var(--radius);
  transform-origin: 50% 16px;
  transition: transform 360ms var(--ease-out), filter 200ms var(--ease-out);
  will-change: transform;
  animation: card-enter 0.42s var(--ease-spring) both;
  animation-delay: calc(var(--card-i, 0) * 22ms);
}

@keyframes card-enter {
  from {
    opacity: 0;
    scale: 0.94;
  }
  to {
    opacity: 1;
    scale: 1;
  }
}

.wall-card-button,
.portal-card-button,
.utility-card-body {
  position: relative;
  width: 100%;
  min-height: 74px;
  border-radius: var(--radius);
  background: var(--card-bg, var(--paper));
  color: var(--ink);
  box-shadow: var(--soft-shadow);
  text-align: left;
  border: 1px solid var(--th-card-ring);
}

.wall-card-button,
.portal-card-button {
  padding: 0.7rem 0.7rem 0.74rem;
  transition:
    translate 220ms var(--ease-spring),
    box-shadow 220ms var(--ease-out),
    border-color 200ms var(--ease-out);
}

.wall-card-button:hover,
.portal-card-button:hover,
.wall-card-button:focus-visible,
.portal-card-button:focus-visible {
  translate: 0 -2px;
  box-shadow: 0 1px 0 rgba(var(--c), 0.04), 0 12px 28px -10px rgba(var(--c), 0.16);
  border-color: rgba(var(--c), 0.07);
  outline: none;
}

.wall-card-button:active,
.portal-card-button:active {
  translate: 0 1px;
  box-shadow: var(--soft-shadow);
}

.wall-card-button::before,
.portal-card-button::before,
.utility-card-body::before {
  content: "";
  position: absolute;
  left: calc(50% - 4px);
  top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.7), transparent 32%),
    var(--pin-color, #b95747);
  box-shadow: 0 1px 2px var(--th-pin-shadow), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.content-card.is-pinned {
  z-index: 3;
}

.content-card.is-pinned .wall-card-button {
  border-color: color-mix(in srgb, var(--accent-2) 28%, transparent);
  box-shadow: 0 1px 0 rgba(var(--c), 0.04), 0 13px 28px -12px rgba(196, 95, 67, 0.28);
}

.content-card.is-pinned .wall-card-button::after {
  content: "置顶";
  position: absolute;
  right: 0.46rem;
  top: 0.38rem;
  padding: 0.08rem 0.34rem;
  border-radius: 999px;
  background: rgba(196, 95, 67, 0.12);
  color: #c65f43;
  font-size: 0.58rem;
  font-weight: 800;
  line-height: 1.2;
}

.portal-card.is-parent .portal-card-button {
  min-height: 8.8rem;
  padding: 0.9rem 0.9rem 0.96rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.34)),
    var(--card-bg, var(--paper));
  box-shadow: 0 16px 36px rgba(58, 50, 38, 0.14);
}

.parent-card-body {
  display: grid;
  gap: 0.78rem;
}

.parent-open-button {
  width: 100%;
  padding: 0;
  text-align: left;
}

.portal-card.is-parent .portal-card-button::before {
  left: 1.1rem;
}

.portal-card.is-parent strong {
  max-width: 9ch;
  font-size: 1.82rem;
}

.portal-card.is-board .portal-card-button {
  min-height: 7.2rem;
}

.portal-card.is-utility .portal-card-button {
  min-height: 6.5rem;
  background:
    linear-gradient(rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.46)),
    var(--card-bg, var(--paper-cool));
}

.child-board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.42rem;
}

.child-board-chip {
  position: relative;
  display: grid;
  gap: 0.18rem;
  min-height: 3.4rem;
  padding: 0.55rem 0.6rem 0.5rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 8%, rgb(var(--c-bg)) 92%);
  border: 1px solid color-mix(in srgb, var(--chip-color, var(--accent)) 18%, transparent);
  text-align: left;
  transition:
    translate 220ms var(--ease-spring),
    border-color 200ms var(--ease-out),
    background 200ms var(--ease-out);
  overflow: hidden;
}

.child-board-chip::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0.6rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--chip-color, var(--accent));
}

.child-board-chip:hover,
.child-board-chip:focus-visible {
  translate: 0 -1px;
  border-color: color-mix(in srgb, var(--chip-color, var(--accent)) 36%, transparent);
  background: color-mix(in srgb, var(--chip-color, var(--accent)) 13%, rgb(var(--c-bg)) 87%);
}

.child-board-chip span,
.child-board-chip small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 0.55rem;
}

.child-board-chip span {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.child-board-chip small {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.content-card[data-level="1"] .wall-card-button {
  padding: 0.58rem 0.55rem 0.62rem;
}

.content-card[data-level="4"] .wall-card-button {
  padding: 0.86rem 0.9rem 0.96rem;
}

.topic {
  display: block;
  max-width: 100%;
  margin: 0 0 0.5rem;
  padding: 0;
  background: none;
  color: var(--accent);
  font-family: var(--card-font, inherit);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.18;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  position: relative;
}

.topic::before {
  content: "";
  display: inline-block;
  width: 0.3rem;
  height: 0.3rem;
  margin-right: 0.42rem;
  border-radius: 50%;
  background: currentColor;
  vertical-align: 0.16em;
  opacity: 0.7;
}

.content-card[data-level="1"] .topic { font-size: 0.84rem; }
.content-card[data-level="2"] .topic { font-size: 0.94rem; }
.content-card[data-level="3"] .topic { font-size: 1.08rem; }
.content-card[data-level="4"] .topic { font-size: 1.28rem; }

/* Portal-card topic stays as quiet eyebrow */
.portal-card .topic {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.portal-card .topic::before {
  display: none;
}

/* Inline hashtag — capsule chip rendered inside body text */
.hash-tag {
  display: inline-block;
  padding: 0.04em 0.55em;
  margin: 0 0.06em;
  border-radius: 999px;
  background: rgba(var(--c), 0.06);
  color: var(--accent);
  font-size: 0.86em;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Card stats (likes & comments) */
.card-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1;
}

.card-stat .stat-icon {
  font-size: 0.78rem;
  opacity: 0.78;
  line-height: 1;
}

.card-stat[data-hot="true"] {
  color: var(--accent-2);
  font-weight: 700;
}

.card-text {
  margin: 0;
  color: var(--ink);
  font-family: var(--card-font, inherit);
  font-weight: 650;
  line-height: 1.48;
  letter-spacing: 0.005em;
  overflow-wrap: anywhere;
}

/* ─── Sticker Font Variants ───────────────────────────────────────────────── */

.wall-card[data-font="classic"] { --card-font: var(--font-classic); }
.wall-card[data-font="modern"]  { --card-font: var(--font-modern);  }
.wall-card[data-font="hand"]    { --card-font: var(--font-hand);    }
.wall-card[data-font="brush"]   { --card-font: var(--font-brush);   }
.wall-card[data-font="cute"]    { --card-font: var(--font-cute);    }
.wall-card[data-font="bold"]    { --card-font: var(--font-bold);    }

/* Per-font tweaks: line-height & weight balance */
.wall-card[data-font="hand"] .card-text,
.wall-card[data-font="brush"] .card-text {
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.wall-card[data-font="cute"] .card-text,
.wall-card[data-font="bold"] .card-text {
  font-weight: 400;
  line-height: 1.45;
}

.wall-card[data-font="modern"] .card-text {
  font-weight: 400;
  letter-spacing: 0.02em;
}

.wall-card[data-font="brush"] .card-text {
  font-size: calc(1em * 1.08);
}

.content-card[data-level="1"] .card-text {
  display: -webkit-box;
  font-size: 0.78rem;
  line-height: 1.42;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card[data-level="2"] .card-text {
  display: -webkit-box;
  font-size: 0.9rem;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card[data-level="3"] .card-text {
  display: -webkit-box;
  font-size: 1rem;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card[data-level="4"] .card-text {
  display: -webkit-box;
  font-size: 1.08rem;
  line-height: 1.58;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta,
.portal-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.28rem 0.46rem;
  margin-top: 0.52rem;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.35;
}

.avatar {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--avatar-color, var(--accent));
  color: #fff;
  font-weight: 900;
  line-height: 1;
}

.avatar-small {
  width: 1.15rem;
  height: 1.15rem;
  font-size: 0.62rem;
}

.avatar-large {
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1rem;
}

.child-line {
  display: block;
  margin-top: 0.7rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 900;
  line-height: 1.35;
}

.portal-card-button strong,
.parent-open-button strong,
.utility-card-body strong {
  display: block;
  margin-bottom: 0.48rem;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 1.22rem;
  line-height: 1.04;
}

.portal-card[data-level="1"] .portal-card-button strong {
  font-size: 1rem;
}

.portal-card[data-level="3"] .portal-card-button strong,
.portal-card[data-level="4"] .portal-card-button strong {
  font-size: 1.72rem;
}

.portal-card-button p,
.parent-open-button p,
.utility-card-body p {
  margin: 0;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 650;
  line-height: 1.52;
  overflow-wrap: anywhere;
}

.photo-stack {
  position: relative;
  height: var(--photo-height, 86px);
  margin-top: 0.62rem;
}

.content-card[data-level="1"] .photo-stack {
  --photo-height: 54px;
}

.content-card[data-level="2"] .photo-stack {
  --photo-height: 72px;
}

.content-card[data-level="4"] .photo-stack {
  --photo-height: 118px;
}

.photo-stack img {
  position: absolute;
  inset: auto auto 0 0;
  width: min(76%, 10rem);
  height: 100%;
  border: 2.5px solid rgba(var(--c-bg), 0.92);
  border-radius: 7px;
  object-fit: cover;
  box-shadow: 0 6px 18px -6px rgba(var(--c), 0.18);
  transform: translateX(var(--photo-x, 0)) rotate(var(--photo-r, 0deg));
  transition: transform 220ms var(--ease-spring);
}

/* ─── Inline like button on wall card ─────────────────────────────────────── */

.card-like-overlay {
  position: absolute;
  top: 0.42rem;
  right: 0.42rem;
  z-index: 2;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: rgba(var(--c-bg), 0.94);
  border: 1px solid rgba(var(--c), 0.08);
  color: rgba(var(--c), 0.62);
  font-size: 0.92rem;
  font-weight: 600;
  display: inline-grid;
  place-items: center;
  box-shadow: 0 2px 8px -4px rgba(var(--c), 0.18);
  opacity: 0.72;
  transition:
    scale 200ms var(--ease-spring),
    opacity 200ms var(--ease-out),
    background 200ms var(--ease-out),
    color 200ms var(--ease-out);
}

.wall-card:hover .card-like-overlay,
.wall-card:focus-within .card-like-overlay {
  opacity: 1;
}

.card-like-overlay:hover { scale: 1.06; }
.card-like-overlay:active { scale: 0.9; }

.card-like-overlay[data-liked="true"] {
  opacity: 1;
  background: rgba(196, 95, 67, 0.96);
  color: rgb(var(--c-bg));
  border-color: rgba(196, 95, 67, 0.96);
}

[data-theme="night"] .card-like-overlay {
  background: rgba(35, 35, 35, 0.94);
  border-color: rgba(255, 255, 255, 0.1);
}

.photo-stack[data-extra]:not([data-extra="0"])::after {
  content: "+" attr(data-extra);
  position: absolute;
  right: 0.4rem;
  bottom: 0.42rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 1.55rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.86);
  color: rgb(var(--c-bg));
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 12px -6px rgba(var(--c), 0.32);
  z-index: 4;
}

.photo-stack img:nth-child(2) {
  --photo-x: 28%;
  --photo-r: 4deg;
}

.photo-stack img:nth-child(3) {
  --photo-x: 52%;
  --photo-r: -3deg;
}

.wall-card-button:active .photo-stack img {
  transform: translateX(var(--photo-x, 0)) rotate(var(--photo-r, 0deg)) translateY(2px);
}

.compose-button {
  position: fixed;
  z-index: 21;
  right: 0.8rem;
  bottom: calc(0.8rem + var(--safe-bottom));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  min-height: 52px;
  padding: 0 1.1rem 0 0.95rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.96);
  box-shadow:
    0 1px 0 rgba(var(--c), 0.06),
    0 20px 42px -14px rgba(var(--c), 0.32);
  color: rgb(var(--c-bg));
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition:
    translate 220ms var(--ease-spring),
    box-shadow 220ms var(--ease-out),
    scale 220ms var(--ease-spring),
    opacity 200ms var(--ease-out);
}

.compose-button[hidden] {
  display: none;
}

.compose-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.compose-icon::before,
.compose-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  border-radius: 999px;
}

.compose-icon::before {
  width: 14px;
  height: 1.8px;
  transform: translate(-50%, -50%);
}

.compose-icon::after {
  width: 1.8px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.compose-button:hover,
.compose-button:focus-visible {
  translate: 0 -2px;
  box-shadow:
    0 1px 0 rgba(var(--c), 0.06),
    0 24px 44px -14px rgba(var(--c), 0.36);
}

.compose-button:active {
  scale: 0.96;
}

.overlay {
  position: fixed;
  z-index: 50;
  inset: 0;
  display: grid;
  place-items: end center;
  padding: 0.5rem;
  background: rgba(var(--c), 0);
  opacity: 0;
  pointer-events: none;
  transition: background 280ms var(--ease-out), opacity 280ms var(--ease-out);
}

.overlay.is-open {
  background: var(--th-overlay-bg);
  opacity: 1;
  pointer-events: auto;
}

.detail-overlay {
  place-items: center;
  padding: 0;
}

.sheet-overlay {
  inset: 0 auto auto 50%;
  width: min(100vw, 480px);
  height: 100svh;
  transform: translateX(-50%);
  overflow: hidden;
}

.sheet-overlay.is-compose-fullscreen {
  place-items: stretch;
  padding: 0;
}

.detail-overlay.is-open {
  background: var(--th-detail-bg);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

.overlay[hidden] {
  display: none;
}

.detail-panel,
.sheet-panel {
  width: min(100%, 448px);
  max-height: min(88svh, 780px);
  overflow: auto;
  border-radius: 22px 22px 10px 10px;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.05);
  box-shadow: var(--shadow);
  transform: translateY(28px) scale(0.97);
  transform-origin: var(--origin-x, 50%) var(--origin-y, 50%);
  transition: transform 320ms var(--ease-spring), opacity 220ms var(--ease-out);
  opacity: 0.6;
}

.overlay.is-open .detail-panel,
.overlay.is-open .sheet-panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.detail-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(100vw, 480px);
  height: 100svh;
  max-height: none;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--wall);
  transform: translateY(16px) scale(0.99);
}

.detail-panel > .detail-scroll {
  background: var(--wall);
}

.sheet-panel {
  padding: 1rem 1rem calc(1rem + var(--safe-bottom));
}

.prepublish-panel {
  display: flex;
  flex-direction: column;
  padding: 0;
  max-height: min(78svh, 680px);
  overflow: hidden;
  border-radius: 22px 22px 12px 12px;
}

.prepublish-body {
  display: grid;
  gap: 0.7rem;
  padding: 0.86rem 0.9rem calc(0.95rem + var(--safe-bottom));
  overflow: auto;
}

.board-picker {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
}

.board-picker-search {
  display: block;
}

.board-picker-search input {
  width: 100%;
  min-height: 40px;
  border: 0;
  border-radius: 999px;
  background: rgba(var(--c), 0.055);
  padding: 0 0.9rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 650;
}

.board-picker-search input:focus {
  background: rgba(var(--c), 0.08);
  box-shadow: 0 0 0 3px rgba(var(--c), 0.06);
}

.board-picker-rec {
  display: grid;
  gap: 0.3rem;
}

.board-picker-rec > span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.board-picker-rec-strip {
  display: flex;
  gap: 0.32rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.02rem;
  scrollbar-width: none;
}

.board-picker-rec-strip::-webkit-scrollbar {
  display: none;
}

.board-picker-cascade {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.42rem;
  min-height: 14rem;
}

.board-picker--compact .board-picker-cascade {
  min-height: 11rem;
  max-height: 14rem;
}

.board-picker-parents,
.board-picker-options {
  min-width: 0;
  overflow: auto;
  scrollbar-width: none;
}

.board-picker-parents::-webkit-scrollbar,
.board-picker-options::-webkit-scrollbar {
  display: none;
}

.board-picker-parents {
  display: grid;
  align-content: start;
  gap: 0.26rem;
  padding-right: 0.1rem;
}

.board-picker-parents button {
  position: relative;
  min-height: 34px;
  padding: 0 0.5rem 0 0.62rem;
  border-radius: 10px;
  background: transparent;
  color: rgba(var(--c), 0.62);
  text-align: left;
  font-size: 0.76rem;
  font-weight: 750;
  overflow: hidden;
  transition: background 180ms var(--ease-out), color 180ms var(--ease-out);
}

.board-picker-parents button::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 999px;
  background: var(--parent-color, var(--accent));
  opacity: 0;
  transition: opacity 180ms var(--ease-out);
}

.board-picker-parents button:hover,
.board-picker-parents button:focus-visible,
.board-picker-parents button.is-active {
  background: rgba(var(--c), 0.055);
  color: var(--ink);
}

.board-picker-parents button.is-active::before {
  opacity: 1;
}

.board-picker-options {
  display: grid;
  align-content: start;
  gap: 0.32rem;
}

.board-picker-option {
  position: relative;
  display: grid;
  grid-template-columns: 0.62rem minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.44rem 0.62rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--target-color, var(--accent)) 7%, rgb(var(--c-bg)) 93%);
  border: 1px solid color-mix(in srgb, var(--target-color, var(--accent)) 14%, transparent);
  text-align: left;
  transition:
    background 180ms var(--ease-out),
    border-color 180ms var(--ease-out),
    scale 180ms var(--ease-spring);
}

.board-picker-option:hover,
.board-picker-option:focus-visible {
  background: color-mix(in srgb, var(--target-color, var(--accent)) 12%, rgb(var(--c-bg)) 88%);
  border-color: color-mix(in srgb, var(--target-color, var(--accent)) 30%, transparent);
}

.board-picker-option:active {
  scale: 0.98;
}

.board-picker-option.is-active {
  background: color-mix(in srgb, var(--target-color, var(--accent)) 16%, rgb(var(--c-bg)) 84%);
  border-color: color-mix(in srgb, var(--target-color, var(--accent)) 42%, transparent);
}

.board-picker-option:disabled {
  opacity: 0.42;
}

.board-picker-dot {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: var(--target-color, var(--accent));
}

.board-picker-copy {
  display: grid;
  gap: 0.05rem;
  min-width: 0;
}

.board-picker-option strong,
.board-picker-option small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-picker-option strong {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.15;
}

.board-picker-option small {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 650;
}

.board-picker-option--chip {
  flex: 0 0 auto;
  display: inline-flex;
  grid-template-columns: none;
  gap: 0.32rem;
  min-height: 32px;
  padding: 0 0.62rem 0 0.5rem;
  border-radius: 999px;
}

.board-picker-option--chip strong {
  max-width: 5.6rem;
  font-size: 0.76rem;
}

.board-picker-empty {
  margin: 0;
  padding: 1.2rem 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.panel-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.detail-top {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0.45rem;
  align-items: center;
  min-height: calc(58px + env(safe-area-inset-top, 0px));
  padding: max(0.48rem, env(safe-area-inset-top, 0px)) 0.55rem 0.48rem;
  background: var(--th-bar-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--th-bar-border);
}

.detail-top .nav-button {
  background: rgba(var(--c), 0.04);
}

.detail-person {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.58rem;
}

.avatar-button {
  flex: 0 0 auto;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 50%;
}

.text-link {
  max-width: 100%;
  min-height: 1.35rem;
  padding: 0;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  text-align: left;
}

.author-link {
  display: block;
  max-width: 12rem;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.92rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-breadcrumb {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.28rem;
  color: var(--muted);
}

.detail-breadcrumb .text-link {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-button {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(var(--c), 0.05);
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.icon-button:hover,
.icon-button:focus-visible {
  background: rgba(var(--c), 0.09);
  scale: 1.04;
}

.icon-button:active {
  scale: 0.96;
}

.icon-button span {
  position: absolute;
  left: 14px;
  top: 21px;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

.icon-button span:first-child {
  transform: rotate(45deg);
}

.icon-button span:last-child {
  transform: rotate(-45deg);
}

.panel-meta,
.hint,
.form-message {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.detail-scroll {
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.detail-paper {
  position: relative;
  padding: 0.82rem 0.62rem 1.2rem;
}

.detail-foot {
  display: flex;
  justify-content: flex-end;
  gap: 0.34rem;
  padding-top: 0.6rem;
  margin-top: 0.6rem;
  border-top: 1px solid rgba(var(--c), 0.06);
}

.detail-paper h3 {
  margin: 0 0 0.62rem;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 2rem;
  line-height: 1.02;
}

.detail-text {
  margin-bottom: 1rem;
  font-size: 1.04rem;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.detail-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.62rem;
}

.detail-images img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  object-fit: cover;
}

.detail-actions {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.6rem;
  align-items: center;
  padding: 0.58rem 0.62rem calc(0.58rem + var(--safe-bottom));
  background: var(--th-bar-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-top: 1px solid var(--th-bar-border);
}

.reaction-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  min-height: 42px;
  min-width: 4.1rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.06);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.reaction-button:hover {
  background: rgba(var(--c), 0.1);
}

.reaction-button:active {
  scale: 0.94;
}

.reaction-button.is-liked {
  background: rgba(196, 95, 67, 0.14);
  color: #c65f43;
}

.comment-box {
  display: grid;
  gap: 0.2rem;
}

.comment-box span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.comment-box input {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  padding: 0 0.95rem;
}

.comment-box input:focus {
  background: rgba(var(--c), 0.08);
  box-shadow: 0 0 0 3px rgba(var(--c), 0.06);
}

/* ─── Compose modal layout ────────────────────────────────────────────────── */

.compose-panel {
  display: flex;
  flex-direction: column;
  padding: 0;
  max-height: min(90svh, 820px);
  overflow: hidden;
  border-radius: 22px 22px 12px 12px;
  transition: max-height 320ms var(--ease-out), border-radius 320ms var(--ease-out);
}

.compose-panel.is-fullscreen {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  min-height: 100%;
  max-height: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.overlay.is-open .compose-panel.is-fullscreen {
  transform: none !important;
}

.compose-head {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.85rem 0.7rem 1rem;
  background: var(--paper);
  border-bottom: 1px solid rgba(var(--c), 0.06);
}

.compose-head .head-meta {
  display: grid;
  gap: 0.06rem;
}

.compose-head .head-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.head-tool-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  display: inline-grid;
  place-items: center;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.head-tool-btn:hover { background: rgba(var(--c), 0.09); }
.head-tool-btn:active { scale: 0.94; }
.head-tool-btn[aria-pressed="true"] {
  background: rgba(var(--c), 0.92);
  color: rgb(var(--c-bg));
}

.ic-fullscreen {
  position: relative;
  width: 16px;
  height: 16px;
  display: inline-block;
}

.ic-fullscreen::before,
.ic-fullscreen::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1.6px solid currentColor;
}

.ic-fullscreen::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.ic-fullscreen::after { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.compose-form {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 0.85rem 0.95rem 1rem;
  overflow: auto;
}

.compose-panel.is-fullscreen .compose-form {
  padding-bottom: calc(1rem + var(--safe-bottom));
}

/* ─── [纸条输入框] note canvas component ──────────────────────────────────── */

.note-canvas {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0;
  background: transparent;
}

.topic-prompt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.55rem;
  align-items: center;
  padding: 0.5rem 0.7rem;
  border-radius: 12px;
  background: linear-gradient(rgba(244, 178, 100, 0.12), rgba(244, 178, 100, 0.04));
  border: 1px solid rgba(196, 110, 30, 0.18);
  animation: card-enter 280ms var(--ease-spring) both;
}

.topic-prompt-tip {
  color: #b3692a;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.topic-prompt input {
  border: 0;
  background: transparent;
  padding: 0.3rem 0;
  font-family: var(--font-classic);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  box-shadow: none;
}

.topic-prompt input:focus {
  background: transparent;
  box-shadow: none;
}

.topic-prompt[hidden],
.canvas-images[hidden] {
  display: none;
}

.compose-panel.is-fullscreen .lined-paper textarea {
  min-height: 16rem;
}

.lined-paper .topic-prompt {
  margin: 0.58rem 0.65rem 0.12rem 2rem;
  padding: 0.42rem 0.56rem;
  border-radius: 10px;
}

.canvas-tools {
  display: flex;
  align-items: center;
  gap: 0.36rem;
  margin: 0.25rem 0.55rem 0.55rem 2rem;
  padding: 0.35rem 0.44rem 0.35rem 0.5rem;
  border-radius: 12px;
  background: rgba(var(--c), 0.025);
  border: 1px solid rgba(var(--c), 0.055);
}

.canvas-tools .rt-btn {
  background: transparent;
}

.canvas-tools .rt-btn:hover {
  background: rgba(var(--c), 0.08);
}

.canvas-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 0.32rem;
  margin: 0.12rem 0.65rem 0.22rem 2rem;
  padding: 0.5rem;
  border-radius: 12px;
  background: rgba(var(--c), 0.03);
  border: 1px dashed rgba(var(--c), 0.12);
}

.canvas-image {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(var(--c), 0.05);
  animation: card-enter 220ms var(--ease-spring) both;
}

.canvas-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.canvas-image-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-grid;
  place-items: center;
  transition: scale 200ms var(--ease-spring);
}

.canvas-image-remove:hover { scale: 1.08; }

/* ─── Canvas Folds (collapsible sections) ─────────────────────────────────── */

.canvas-fold {
  border-radius: 13px;
  background: rgba(var(--c), 0.025);
  border: 1px solid rgba(var(--c), 0.05);
  overflow: hidden;
  transition: background 220ms var(--ease-out);
}

.canvas-fold[open] {
  background: rgba(var(--c), 0.02);
}

.canvas-fold > summary {
  list-style: none;
  display: grid;
  grid-template-columns: 14px minmax(0, auto) minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.62rem 0.78rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.84rem;
}

.canvas-fold > summary::-webkit-details-marker {
  display: none;
}

.canvas-fold .fold-icon {
  width: 9px;
  height: 9px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 220ms var(--ease-spring);
  opacity: 0.5;
}

.canvas-fold[open] > summary .fold-icon {
  transform: rotate(45deg);
}

.canvas-fold .fold-label {
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.canvas-fold .fold-summary {
  justify-self: end;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.canvas-fold .fold-body {
  padding: 0 0.78rem 0.85rem;
  display: grid;
  gap: 0.7rem;
}

.fold-grid {
  display: grid;
  gap: 0.7rem;
}

/* ─── Inline @ / # autocomplete ──────────────────────────────────────────── */

.ac-popover {
  position: fixed;
  z-index: 96;
  min-width: 200px;
  max-width: min(360px, 86vw);
  max-height: 14rem;
  overflow: auto;
  padding: 0.32rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.1);
  border-radius: 12px;
  box-shadow: 0 18px 40px -14px rgba(var(--c), 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 200ms var(--ease-out), transform 220ms var(--ease-spring);
}

.ac-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ac-popover.is-inside-paper,
.rt-popover.is-inside-paper {
  border-color: rgba(var(--c), 0.08);
  box-shadow: 0 14px 28px -16px rgba(var(--c), 0.24);
}

.ac-popover[hidden] { display: none; }

.ac-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.55rem;
  border-radius: 9px;
  background: transparent;
  width: 100%;
  text-align: left;
  font-size: 0.86rem;
  cursor: pointer;
  border: 0;
  color: inherit;
}

.ac-row.is-active,
.ac-row:hover { background: rgba(var(--c), 0.06); }

.ac-row .avatar {
  width: 1.55rem;
  height: 1.55rem;
  font-size: 0.7rem;
}

.ac-row .ac-name { font-weight: 700; color: var(--ink); }

.ac-row .ac-handle {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--muted);
}

.ac-row .ac-tag {
  font-family: var(--font-modern);
  font-weight: 700;
  color: var(--accent);
}

.ac-empty {
  padding: 0.6rem 0.8rem;
  color: var(--muted);
  font-size: 0.8rem;
}

/* ─── Board search input ──────────────────────────────────────────────────── */

.board-search {
  margin: 0 0 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(var(--c), 0.1);
  background: rgba(var(--c), 0.03);
  font-size: 0.84rem;
}

.compose-form {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

/* legacy hidden image-controls don't take space */
.image-controls[hidden] { display: none; }

/* ─── Lined Paper Textarea ────────────────────────────────────────────────── */

.lined-paper {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 12.5rem;
  overflow: hidden;
  border-radius: 16px;
  background:
    linear-gradient(rgba(var(--c-bg), 0.92), rgba(var(--c-bg), 0.92)),
    var(--paper-yellow);
  border: 1px solid rgba(var(--c), 0.07);
  box-shadow: 0 1px 0 rgba(var(--c), 0.04), 0 8px 22px -10px rgba(var(--c), 0.1);
}

.lined-paper::before {
  /* margin red bar */
  content: "";
  position: absolute;
  left: 1.7rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: rgba(220, 95, 75, 0.18);
  pointer-events: none;
  border-radius: 1px;
}

.lined-paper::after {
  /* small holes */
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 1rem;
  bottom: 1rem;
  width: 0.6rem;
  background: radial-gradient(circle, rgba(var(--c), 0.08) 22%, transparent 23%);
  background-size: 0.6rem 1.6rem;
  background-repeat: repeat-y;
  pointer-events: none;
}

.lined-paper textarea {
  display: block;
  flex: 1 1 auto;
  width: 100%;
  margin: 0;
  padding: 0.55rem 1rem 0.5rem 2rem;
  font-family: var(--font-modern);
  font-size: 1rem;
  line-height: 1.7rem;
  background-color: transparent;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(1.7rem - 1px),
    rgba(var(--c), 0.08) calc(1.7rem - 1px),
    rgba(var(--c), 0.08) 1.7rem
  );
  background-size: 100% 1.7rem;
  background-position: 0 0.55rem;
  background-attachment: local;
  border: 0;
  border-radius: 0;
  resize: none;
  min-height: 9rem;
  letter-spacing: 0.01em;
  box-shadow: none;
}

.compose-panel.is-fullscreen .lined-paper {
  min-height: min(46svh, 28rem);
}

.lined-paper textarea:focus {
  background-color: transparent;
  box-shadow: none;
}

[data-theme="night"] .lined-paper {
  background: var(--paper);
}

[data-theme="night"] .lined-paper textarea {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(1.7rem - 1px),
    rgba(255, 255, 255, 0.06) calc(1.7rem - 1px),
    rgba(255, 255, 255, 0.06) 1.7rem
  );
}

/* ─── Rich Text Toolbar ───────────────────────────────────────────────────── */

.rich-toolbar {
  display: flex;
  gap: 0.36rem;
  align-items: center;
  padding: 0.42rem 0.55rem;
  border-top: 1px dashed rgba(var(--c), 0.08);
  background: transparent;
}

.rich-toolbar .rt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.26rem;
  min-height: 32px;
  min-width: 32px;
  padding: 0 0.6rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  color: rgba(var(--c), 0.7);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.rich-toolbar .rt-btn:hover { background: rgba(var(--c), 0.08); }
.rich-toolbar .rt-btn:active { scale: 0.94; }

.rich-toolbar .rt-btn[data-action="emoji"] { font-family: "Apple Color Emoji", sans-serif; font-size: 1.1rem; }
.rich-toolbar .rt-btn[data-action="mention"] { font-weight: 800; }

.rich-toolbar .rt-spacer {
  flex: 1 1 auto;
}

.rich-toolbar .rt-count {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
}

/* ─── Picker Popovers (emoji / mention) ───────────────────────────────────── */

.rt-popover {
  position: absolute;
  z-index: 32;
  bottom: calc(100% + 6px);
  left: 0;
  right: 0;
  margin: 0 0.55rem;
  padding: 0.6rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.08);
  border-radius: 14px;
  box-shadow: 0 18px 40px -14px rgba(var(--c), 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 220ms var(--ease-out), transform 240ms var(--ease-spring);
}

.rt-popover.floating {
  position: fixed;
  bottom: auto;
  left: 0;
  right: auto;
  margin: 0;
  width: min(94vw, 360px);
  max-height: 60vh;
  overflow: auto;
  z-index: 95;
  box-shadow: 0 24px 56px -16px rgba(0, 0, 0, 0.3);
}

.rt-popover[hidden] { display: none; }

.rt-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.rt-popover h6 {
  margin: 0 0 0.36rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.18rem;
}

.emoji-grid button {
  height: 2rem;
  border-radius: 8px;
  background: transparent;
  font-size: 1.1rem;
  transition: background 160ms var(--ease-out), scale 160ms var(--ease-spring);
}

.emoji-grid button:hover { background: rgba(var(--c), 0.06); }
.emoji-grid button:active { scale: 0.92; }

.mention-list {
  display: grid;
  gap: 0.16rem;
  max-height: 14rem;
  overflow: auto;
}

.mention-list button {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  width: 100%;
  padding: 0.34rem 0.5rem;
  border-radius: 10px;
  background: transparent;
  text-align: left;
  font-size: 0.86rem;
  font-weight: 600;
  transition: background 160ms var(--ease-out);
}

.mention-list button:hover { background: rgba(var(--c), 0.05); }

.mention-list button .avatar {
  width: 1.4rem;
  height: 1.4rem;
  font-size: 0.65rem;
}

.mention-list button .at {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
}

.compose-text-wrap {
  position: relative;
}

[data-theme="night"] .rt-popover {
  background: var(--paper);
}

.field,
.control-set {
  display: grid;
  gap: 0.42rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.field span,
.control-set legend {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.legend-tip {
  margin-left: 0.4rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.board-pick-list,
.level-controls,
.position-controls,
.identity-controls,
.image-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.44rem;
}

.board-pick-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-height: 10.8rem;
  overflow: auto;
}

.publish-target-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.34rem;
}

.publish-target {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.08rem;
  min-height: 42px;
  padding: 0.42rem 0.52rem 0.42rem 0.72rem;
  border-radius: 11px;
  background: color-mix(in srgb, var(--target-color, var(--accent)) 8%, rgb(var(--c-bg)) 92%);
  border: 1px solid color-mix(in srgb, var(--target-color, var(--accent)) 18%, transparent);
  text-align: left;
  transition:
    background 200ms var(--ease-out),
    border-color 200ms var(--ease-out),
    scale 200ms var(--ease-spring);
}

.publish-target::before {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 0.62rem;
  bottom: 0.62rem;
  width: 2.5px;
  border-radius: 999px;
  background: var(--target-color, var(--accent));
  opacity: 0.65;
}

.publish-target span,
.publish-target strong,
.publish-target small {
  min-width: 0;
  padding-left: 0.28rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.publish-target span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.publish-target strong {
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.15;
}

.publish-target small {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 600;
}

.publish-target:hover {
  background: color-mix(in srgb, var(--target-color, var(--accent)) 12%, rgb(var(--c-bg)) 88%);
}

.publish-target:active {
  scale: 0.98;
}

.publish-target.is-active {
  background: color-mix(in srgb, var(--target-color, var(--accent)) 16%, rgb(var(--c-bg)) 84%);
  border-color: color-mix(in srgb, var(--target-color, var(--accent)) 38%, transparent);
}

.publish-target:disabled {
  opacity: 0.45;
}

.co-post-corner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.24rem 0 0;
}

.co-post-corner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.co-post-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 32px;
  padding: 0 0.72rem 0 0.36rem;
  border-radius: 999px;
  background: transparent;
  color: rgba(var(--c), 0.6);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: all 200ms var(--ease-out);
}

.co-post-toggle::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: rgb(var(--c-bg));
  border: 1.5px solid rgba(var(--c), 0.22);
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  transition: all 200ms var(--ease-out);
}

.co-post-toggle:hover::before {
  border-color: rgba(var(--c), 0.4);
}

.co-post-toggle.is-active {
  color: var(--ink);
}

.co-post-toggle.is-active::before {
  background: rgba(var(--c), 0.92);
  border-color: rgba(var(--c), 0.92);
  background-image: linear-gradient(45deg, transparent 40%, rgb(var(--c-bg)) 40%, rgb(var(--c-bg)) 50%, transparent 50%),
    linear-gradient(-45deg, transparent 50%, rgb(var(--c-bg)) 50%, rgb(var(--c-bg)) 60%, transparent 60%);
  background-size: 70% 2px, 70% 2px;
  background-position: 4px 9px, 9px 7px;
  background-repeat: no-repeat;
}

.co-post-panel {
  display: grid;
  gap: 0.42rem;
  margin-top: 0.12rem;
}

.co-post-panel[hidden] {
  display: none;
}

.board-pick-list button,
.level-controls button,
.position-controls button,
.identity-controls button,
.image-controls button,
.font-controls button {
  min-height: 38px;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  border: 1px solid transparent;
  color: rgba(var(--c), 0.66);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    background 200ms var(--ease-out),
    color 200ms var(--ease-out),
    border-color 200ms var(--ease-out),
    scale 200ms var(--ease-spring);
}

.board-pick-list button:hover,
.level-controls button:hover,
.position-controls button:hover,
.identity-controls button:hover,
.image-controls button:hover,
.font-controls button:hover {
  background: rgba(var(--c), 0.08);
  color: var(--ink);
}

.board-pick-list button:active,
.level-controls button:active,
.position-controls button:active,
.identity-controls button:active,
.image-controls button:active,
.font-controls button:active {
  scale: 0.96;
}

.font-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.44rem;
}

.font-controls button {
  font-family: var(--btn-font, inherit);
}

.font-controls button[data-font="classic"] { --btn-font: var(--font-classic); }
.font-controls button[data-font="modern"]  { --btn-font: var(--font-modern); }
.font-controls button[data-font="hand"]    { --btn-font: var(--font-hand); }
.font-controls button[data-font="brush"]   { --btn-font: var(--font-brush); }
.font-controls button[data-font="cute"]    { --btn-font: var(--font-cute); }
.font-controls button[data-font="bold"]    { --btn-font: var(--font-bold); }

.position-controls {
  display: grid;
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.position-controls button {
  padding: 0 0.58rem;
}

.position-choice {
  min-width: 0;
  padding: 0.34rem !important;
  border-radius: 9px !important;
}

.position-mini-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  width: 100%;
  min-width: 2.8rem;
}

.position-mini-wall i {
  display: block;
  height: 1.75rem;
  border-radius: 4px;
  background: rgba(var(--c), 0.12);
  transition: background 200ms var(--ease-out);
}

.position-mini-wall i.is-selected {
  background: currentColor;
}

.board-pick-list button {
  display: grid;
  gap: 0.12rem;
  justify-items: start;
  min-height: 46px;
  padding: 0.42rem 0.56rem;
  border-radius: var(--radius);
}

.board-pick-list button span,
.board-pick-list button small {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.board-pick-list button small {
  color: var(--muted);
  font-size: 0.64rem;
}

.board-pick-list button.is-active,
.level-controls button.is-active,
.position-controls button.is-active,
.identity-controls button.is-active,
.image-controls button.is-active,
.font-controls button.is-active {
  background: rgba(var(--c), 0.92);
  color: rgb(var(--c-bg));
  border-color: rgba(var(--c), 0.92);
}

.board-pick-list button:disabled,
.level-controls button:disabled {
  opacity: 0.38;
}

.submit-button {
  min-height: 50px;
  width: 100%;
  border-radius: 999px;
  background: rgba(var(--c), 0.96);
  color: rgb(var(--c-bg));
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 14px 30px -12px rgba(var(--c), 0.36);
  transition:
    translate 220ms var(--ease-spring),
    box-shadow 220ms var(--ease-out),
    background 200ms var(--ease-out),
    opacity 200ms var(--ease-out);
}

.submit-button:hover:not(:disabled),
.submit-button:focus-visible:not(:disabled) {
  translate: 0 -1px;
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 18px 38px -14px rgba(var(--c), 0.4);
}

.submit-button:disabled {
  background: rgba(var(--c), 0.18);
  opacity: 0.7;
  box-shadow: none;
}

.utility-card-body {
  display: block;
  min-height: 6.4rem;
  padding: 0.74rem;
}

.utility-card-body select {
  margin-top: 0.7rem;
}

.switch-row {
  position: relative;
  display: block;
  width: 2.9rem;
  height: 1.6rem;
  margin-top: 0.7rem;
}

.switch-row input {
  position: absolute;
  opacity: 0;
}

.switch-row span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: rgba(var(--c), 0.18);
  transition: background 240ms var(--ease-out);
}

.switch-row span::before {
  content: "";
  display: block;
  width: 1.18rem;
  height: 1.18rem;
  margin: 0.21rem;
  border-radius: 50%;
  background: rgb(var(--c-bg));
  box-shadow: 0 1px 2px rgba(var(--c), 0.12), 0 3px 8px rgba(var(--c), 0.16);
  transition: transform 280ms var(--ease-spring);
}

.switch-row input:checked + span {
  background: rgba(var(--c), 0.92);
}

.switch-row input:checked + span::before {
  transform: translateX(1.26rem);
}

/* ─── Image Lightbox ──────────────────────────────────────────────────────── */

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms var(--ease-out);
  cursor: zoom-out;
}

.image-lightbox[hidden] {
  display: none;
}

.image-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.image-lightbox > * {
  cursor: default;
}

.lightbox-figure {
  margin: 0;
  display: grid;
  gap: 0.7rem;
  max-width: min(96vw, 980px);
  max-height: 100%;
  place-items: center;
  transform: scale(0.96);
  transition: transform 320ms var(--ease-spring);
}

.image-lightbox.is-open .lightbox-figure {
  transform: scale(1);
}

.lightbox-figure img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 14px;
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.55);
  background: rgba(255, 255, 255, 0.04);
  cursor: zoom-out;
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  text-align: center;
  font-weight: 500;
}

.lightbox-caption[data-empty="true"] {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: max(0.9rem, env(safe-area-inset-top, 0px));
  right: 0.9rem;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: scale 200ms var(--ease-spring), background 200ms var(--ease-out);
}

.lightbox-close:hover { background: rgba(255, 255, 255, 0.18); scale: 1.06; }
.lightbox-close:active { scale: 0.94; }

.lightbox-close span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 1.6px;
  background: #fff;
  border-radius: 999px;
}

.lightbox-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.lightbox-close span:last-child  { transform: translate(-50%, -50%) rotate(-45deg); }

.lightbox-arrow {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  transform: translateY(-50%);
  transition: scale 200ms var(--ease-spring), background 200ms var(--ease-out), opacity 200ms var(--ease-out);
}

.lightbox-arrow:hover { background: rgba(255, 255, 255, 0.16); scale: 1.06; }
.lightbox-arrow:active { scale: 0.94; }

.lightbox-arrow[hidden] { display: none; }

.lightbox-arrow--prev { left: 1rem; }
.lightbox-arrow--next { right: 1rem; }

.lightbox-arrow span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
}

.lightbox-arrow--prev span { transform: translate(-30%, -50%) rotate(45deg); }
.lightbox-arrow--next span { transform: translate(-70%, -50%) rotate(-135deg); }

.detail-images img,
.comment-image-grid img {
  cursor: zoom-in;
  transition: transform 200ms var(--ease-out);
}

.detail-images img:hover,
.comment-image-grid img:hover {
  transform: scale(1.02);
}

/* ─── Wall Decorations ────────────────────────────────────────────────────── */

.wall-decorations {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.wall-doodle {
  position: absolute;
  color: rgba(var(--c), 0.085);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  transition: color 360ms var(--ease-out);
}

.wall-doodle--text {
  font-family: var(--font-modern, serif);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  rotate: var(--doodle-tilt, 0deg);
}

.wall-doodle--brush {
  font-family: var(--font-brush);
  font-size: 1.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(var(--c), 0.075);
  rotate: var(--doodle-tilt, 0deg);
  line-height: 1;
}

.wall-doodle--svg {
  width: var(--doodle-size, 60px);
  height: var(--doodle-size, 60px);
  opacity: 0.45;
  rotate: var(--doodle-tilt, 0deg);
}

.wall-doodle--svg svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
}

[data-theme="night"] .wall-doodle {
  color: rgba(255, 255, 255, 0.05);
}

[data-theme="night"] .wall-doodle--brush {
  color: rgba(255, 255, 255, 0.045);
}

/* ─── Comment Wall ────────────────────────────────────────────────────────── */

.comment-wall {
  position: relative;
  padding: 0.7rem 0.55rem 0.5rem;
  background: rgba(var(--c), 0.02);
  border-top: 1px solid rgba(var(--c), 0.05);
}

.cw-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0.18rem 0.55rem;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cw-header .cw-count {
  font-size: 0.66rem;
  color: rgba(var(--c), 0.66);
  background: rgba(var(--c), 0.05);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  text-transform: none;
  letter-spacing: 0.04em;
}

.cw-stream {
  /* Pinterest-style multi-column packing */
  column-count: 2;
  column-gap: 0.45rem;
  column-fill: balance;
}

.comment-card {
  position: relative;
  display: inline-block;
  width: 100%;
  margin: 0 0 0.55rem;
  padding: 0.6rem 0.75rem 0.65rem;
  border-radius: 13px;
  background: var(--card-bg, rgb(var(--c-bg)));
  border: 1px solid rgba(var(--c), 0.07);
  box-shadow: 0 3px 12px -7px rgba(var(--c), 0.16);
  rotate: var(--c-tilt, 0deg);
  translate: var(--c-shift, 0) 0;
  break-inside: avoid;
  transition: scale 220ms var(--ease-spring), box-shadow 220ms var(--ease-out);
  animation: card-enter 0.4s var(--ease-spring) both;
  animation-delay: calc(var(--c-i, 0) * 22ms);
}

/* Paper tone variation across cards */
.comment-card[data-paper="0"] { --card-bg: rgb(var(--c-bg)); }
.comment-card[data-paper="1"] { --card-bg: var(--paper-cool); }
.comment-card[data-paper="2"] { --card-bg: var(--paper-blue); }
.comment-card[data-paper="3"] { --card-bg: var(--paper-rose); }
.comment-card[data-paper="4"] { --card-bg: var(--paper-yellow); }

[data-theme="night"] .comment-card[data-paper="0"] { --card-bg: var(--paper); }
[data-theme="night"] .comment-card[data-paper="1"] { --card-bg: var(--paper-cool); }
[data-theme="night"] .comment-card[data-paper="2"] { --card-bg: var(--paper-blue); }
[data-theme="night"] .comment-card[data-paper="3"] { --card-bg: var(--paper-rose); }
[data-theme="night"] .comment-card[data-paper="4"] { --card-bg: var(--paper-yellow); }

/* Occasional pin on some cards — pinned to the wall feel */
.comment-card[data-deco="pin"]::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.7), transparent 35%),
    var(--pin-color, #b95747);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Tape decoration on others */
.comment-card[data-deco="tape"]::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 28%;
  width: 30%;
  height: 11px;
  background: rgba(245, 200, 100, 0.32);
  border-left: 1px solid rgba(245, 200, 100, 0.55);
  border-right: 1px solid rgba(245, 200, 100, 0.55);
  transform: rotate(-2.5deg);
  pointer-events: none;
}

/* A few cards get a small staple-style mark */
.comment-card[data-deco="staple"]::after {
  content: "";
  position: absolute;
  top: 5px;
  right: 10px;
  width: 8px;
  height: 8px;
  border: 1.2px solid rgba(var(--c), 0.22);
  border-bottom: 0;
  border-radius: 50% 50% 0 0;
  transform: rotate(35deg);
  pointer-events: none;
}

.comment-card:hover {
  scale: 1.02;
  box-shadow: 0 8px 20px -10px rgba(var(--c), 0.2);
}

.comment-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
  font-size: 0.66rem;
  color: var(--muted);
  font-weight: 600;
}

.comment-author {
  font-weight: 700;
  color: var(--ink);
}

.comment-text {
  margin: 0;
  font-size: var(--c-fs, 0.92rem);
  line-height: 1.46;
  color: var(--ink);
  font-family: var(--card-font, inherit);
  font-weight: 500;
  overflow-wrap: anywhere;
  letter-spacing: 0.005em;
}

.comment-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.18rem;
}

.comment-like {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  min-height: 0;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 180ms var(--ease-out), scale 200ms var(--ease-spring);
}

.comment-like:hover { background: rgba(var(--c), 0.08); }
.comment-like:active { scale: 0.92; }

.comment-like.is-liked {
  background: rgba(196, 95, 67, 0.14);
  color: #c65f43;
}

.comment-images {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  height: 1.45rem;
  padding: 0 0.46rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.92);
  color: rgb(var(--c-bg));
  font-size: 0.66rem;
  font-weight: 700;
  transition: scale 200ms var(--ease-spring);
}

.comment-images:hover { scale: 1.06; }
.comment-images:active { scale: 0.94; }

.comment-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(5.5rem, 1fr));
  gap: 0.36rem;
  margin-top: 0.32rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 320ms var(--ease-out), opacity 200ms var(--ease-out), margin 320ms var(--ease-out);
}

.comment-card[data-images-open="true"] .comment-image-grid {
  max-height: 24rem;
  opacity: 1;
}

.comment-image-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid rgba(var(--c-bg), 0.6);
}

.comment-input-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.32rem;
  align-items: center;
}

.comment-tools {
  display: inline-flex;
  gap: 0.18rem;
}

.comment-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.comment-tool:hover { background: rgba(var(--c), 0.1); }
.comment-tool:active { scale: 0.92; }

.comment-image-draft {
  display: flex;
  gap: 0.34rem;
  overflow-x: auto;
  padding: 0.12rem 0 0.04rem;
  scrollbar-width: none;
}

.comment-image-draft[hidden] {
  display: none;
}

.comment-image-draft::-webkit-scrollbar {
  display: none;
}

.comment-image-chip {
  position: relative;
  flex: 0 0 auto;
  width: 3.8rem;
  height: 3rem;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(var(--c), 0.06);
}

.comment-image-chip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comment-image-chip button {
  position: absolute;
  top: 0.12rem;
  right: 0.12rem;
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.78);
  color: rgb(var(--c-bg));
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
}

/* ─── Profile Page ────────────────────────────────────────────────────────── */

.profile-stage {
  position: relative;
  padding: 0.5rem 0.5rem 1rem;
}

.profile-cover {
  position: relative;
  height: 8.5rem;
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 28%, rgba(var(--c), 0.07), transparent 56%),
    radial-gradient(circle at 78% 64%, rgba(var(--c), 0.05), transparent 50%),
    var(--cover-bg, color-mix(in srgb, var(--profile-color, var(--accent)) 28%, var(--paper) 72%));
  border: 1px solid rgba(var(--c), 0.06);
}

.profile-cover svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.14;
  color: var(--profile-color, var(--accent));
}

.profile-head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.92rem;
  align-items: end;
  margin: -2.5rem 0.5rem 0;
}

.profile-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: var(--avatar-color, var(--accent));
  color: rgb(var(--c-bg));
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: 0.01em;
  border: 4px solid var(--paper);
  box-shadow: 0 8px 22px -10px rgba(var(--c), 0.28);
}

.profile-meta {
  padding: 0 0.2rem 0.2rem;
}

.profile-name {
  margin: 0;
  font-family: var(--font-classic);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ─── Profile follow / social ─────────────────────────────────────────────── */

.profile-head {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.follow-btn {
  align-self: end;
  min-height: 36px;
  padding: 0 1rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.92);
  color: rgb(var(--c-bg));
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: scale 200ms var(--ease-spring), background 200ms var(--ease-out);
  border: 0;
}

.follow-btn:hover { scale: 1.04; }
.follow-btn:active { scale: 0.96; }

.follow-btn.is-following {
  background: rgba(var(--c), 0.08);
  color: var(--ink);
}

.profile-social-stats {
  margin-bottom: 0.6rem;
}

.profile-social-stats .profile-stat {
  cursor: pointer;
  transition: background 200ms var(--ease-out), scale 200ms var(--ease-spring);
}

.profile-social-stats .profile-stat:hover { background: rgba(var(--c), 0.06); }
.profile-social-stats .profile-stat:active { scale: 0.97; }

.profile-privacy .privacy-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  background: rgba(var(--c), 0.03);
  border: 1px solid rgba(var(--c), 0.06);
  font-size: 0.84rem;
  cursor: pointer;
}

.profile-privacy input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
  accent-color: rgb(var(--c));
}

.profile-people {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.45rem;
  padding: 0.4rem;
}

.person-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.06);
  border-radius: 12px;
  text-align: left;
  transition: scale 220ms var(--ease-spring), border-color 200ms var(--ease-out);
}

.person-card:hover {
  scale: 1.02;
  border-color: rgba(var(--c), 0.14);
}

.person-card .avatar { width: 1.85rem; height: 1.85rem; font-size: 0.78rem; }

.person-card-meta {
  display: grid;
  gap: 0.06rem;
  min-width: 0;
}

.person-card-meta strong {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.person-card-meta small {
  font-size: 0.66rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ─── Profile avatar / cover edit buttons ─────────────────────────────────── */

.profile-cover {
  position: relative;
}

.profile-edit-btn {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 0.95rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: scale 220ms var(--ease-spring), background 200ms var(--ease-out);
  z-index: 2;
}

.profile-edit-btn:hover { background: rgba(0, 0, 0, 0.6); scale: 1.06; }
.profile-edit-btn:active { scale: 0.94; }

.profile-edit-avatar {
  right: -6px;
  bottom: -2px;
  width: 28px;
  height: 28px;
  font-size: 0.78rem;
}

.profile-avatar {
  position: relative;
  overflow: visible;
}

.profile-handle {
  margin: 0.05rem 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.profile-signature {
  margin: 0.85rem 0.6rem 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: rgba(var(--c), 0.03);
  border: 1px solid rgba(var(--c), 0.05);
  color: var(--ink);
  font-family: var(--font-modern, inherit);
  font-size: 0.94rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0 0.5rem 1rem;
}

.profile-stat {
  display: grid;
  gap: 0.18rem;
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  background: rgba(var(--c), 0.03);
  border: 1px solid rgba(var(--c), 0.05);
  text-align: left;
}

.profile-stat strong {
  font-family: var(--font-classic);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1;
}

.profile-stat span {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.profile-stat[data-tone="rep-high"] strong { color: #3a8a28; }
.profile-stat[data-tone="rep-mid"]  strong { color: #b3692a; }
.profile-stat[data-tone="rep-low"]  strong { color: #c65f43; }

.profile-section {
  margin: 0 0.5rem 0.85rem;
}

.profile-section h4 {
  margin: 0 0.2rem 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.profile-stickers {
  position: relative;
  display: grid;
  gap: 0.6rem;
  padding: 0.4rem;
}

.profile-sticker {
  position: relative;
  padding: 0.7rem 0.85rem 0.78rem;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid rgba(var(--c), 0.06);
  box-shadow: 0 4px 12px -8px rgba(var(--c), 0.12);
  font-family: var(--card-font, inherit);
  rotate: var(--p-tilt, 0deg);
  transition: scale 220ms var(--ease-spring);
  text-align: left;
  width: 100%;
}

.profile-sticker:hover {
  scale: 1.02;
}

.profile-sticker .topic {
  margin-bottom: 0.32rem;
  font-size: 0.86rem;
}

.profile-sticker p {
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.profile-sticker .sticker-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.66rem;
  color: var(--muted);
  font-weight: 600;
}

/* ─── Person Link (clickable inline) ──────────────────────────────────────── */

.person-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem 0.2rem 0.32rem;
  margin: 0 0.18rem 0.3rem 0;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 180ms var(--ease-out), scale 200ms var(--ease-spring);
}

.person-link:hover { background: rgba(var(--c), 0.09); scale: 1.02; }
.person-link:active { scale: 0.96; }

.person-link .avatar { width: 1.05rem; height: 1.05rem; font-size: 0.55rem; }

.person-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.16rem;
  margin-top: 0.2rem;
}

/* ─── Reputation Badge ────────────────────────────────────────────────────── */

.rep-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.16rem 0.52rem 0.18rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.05);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.rep-badge[data-level="high"] { background: rgba(58, 138, 40, 0.12); color: #3a8a28; }
.rep-badge[data-level="mid"]  { background: rgba(179, 105, 42, 0.14); color: #b3692a; }
.rep-badge[data-level="low"]  { background: rgba(196, 95, 67, 0.14); color: #c65f43; }

/* ─── Report Button ───────────────────────────────────────────────────────── */

.report-button {
  display: inline-flex;
  align-items: center;
  gap: 0.26rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.report-button:hover {
  background: rgba(196, 95, 67, 0.1);
  color: #c65f43;
}

.pin-action-button.is-active {
  background: rgba(47, 114, 93, 0.12);
  color: #2f725d;
}

.pin-action-button:hover {
  background: rgba(47, 114, 93, 0.1);
  color: #2f725d;
}

.toast {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: calc(5.4rem + var(--safe-bottom));
  max-width: min(22rem, calc(100vw - 2rem));
  padding: 0.78rem 1rem;
  border-radius: 999px;
  background: rgba(var(--c), 0.94);
  color: rgb(var(--c-bg));
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  box-shadow: 0 16px 36px -14px rgba(var(--c), 0.4);
  opacity: 0;
  transform: translate(-50%, 12px) scale(0.96);
  pointer-events: none;
  transition:
    opacity 220ms var(--ease-out),
    transform 280ms var(--ease-spring);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

body.reduce-motion *,
body.reduce-motion *::before,
body.reduce-motion *::after {
  transition-duration: 1ms !important;
  animation-duration: 1ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

@media (min-width: 481px) {
  body {
    background: rgba(var(--c), 0.04);
  }

  .device-frame {
    border-left: 1px solid rgba(var(--c), 0.06);
    border-right: 1px solid rgba(var(--c), 0.06);
  }

  .compose-button {
    right: calc((100vw - 480px) * 0.5 + 0.7rem);
  }
}

/* ─── Theme Toggle ────────────────────────────────────────────────────────── */

.head-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  flex: 0 0 auto;
}

.head-avatar {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--avatar-color, var(--accent));
  color: rgb(var(--c-bg));
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  transition:
    scale 220ms var(--ease-spring),
    box-shadow 220ms var(--ease-out);
  display: inline-grid;
  place-items: center;
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 6px 16px -8px rgba(var(--c), 0.18);
}

.head-avatar:hover,
.head-avatar:focus-visible {
  scale: 1.06;
  box-shadow: 0 1px 0 rgba(var(--c), 0.06), 0 10px 22px -10px rgba(var(--c), 0.24);
}

.head-avatar:active {
  scale: 0.96;
}

.window-bar .head-avatar {
  width: 36px;
  height: 36px;
  font-size: 0.82rem;
}

.theme-toggle {
  position: relative;
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(var(--c), 0.1);
  transition:
    background 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    scale 220ms var(--ease-spring);
}

.theme-toggle::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 999px;
  background: var(--theme-swatch, rgb(var(--c)));
  transition: background 360ms var(--ease-out);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: rgba(var(--c), 0.04);
  border-color: rgba(var(--c), 0.18);
  scale: 1.06;
}

.theme-toggle:active {
  scale: 0.94;
}