:root {
      color-scheme: dark;
      --bg-0: #111111;
      --bg-1: #191919;
      --bg-2: #232323;
      --text: #efefea;
      --muted: #a9a59a;
      --soft: rgba(239, 239, 234, 0.68);
      --line: rgba(239, 239, 234, 0.18);
      --panel: rgba(18, 18, 18, 0.62);
      --panel-solid: rgba(18, 18, 18, 0.92);
      --accent: #d8cab2;
      --danger: #c86969;
      --shadow: rgba(0, 0, 0, 0.42);
      --grain-opacity: 0.075;
      --vignette: rgba(0, 0, 0, 0.52);
      --ambient-a: transparent;
      --ambient-b: transparent;
      --reading-width: 760px;
      --story-font-scale: 1;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      width: 100%;
      height: 100%;
      margin: 0;
    }

    body {
      min-height: 100svh;
      overflow: hidden;
      background:
        radial-gradient(circle at 50% 38%, var(--ambient-a), transparent 38%),
        radial-gradient(circle at 70% 72%, var(--ambient-b), transparent 42%),
        linear-gradient(145deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
      color: var(--text);
      font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      transition: background 900ms var(--ease), color 900ms var(--ease);
    }

    body[data-motion="soft"] .ambient-layer,
    body[data-motion="soft"] .grain {
      animation-duration: 8s !important;
    }

    body[data-motion="off"] *,
    body[data-motion="off"] *::before,
    body[data-motion="off"] *::after {
      animation: none !important;
      transition-duration: 1ms !important;
    }

    button,
    input {
      font: inherit;
    }

    button {
      color: inherit;
    }

    .app-shell {
      position: relative;
      display: grid;
      grid-template-rows: auto 1fr auto;
      width: 100%;
      height: 100svh;
      isolation: isolate;
    }

    .backdrop,
    .grain,
    .vignette,
    .ambient-layer {
      position: fixed;
      inset: 0;
      pointer-events: none;
    }

    .backdrop {
      z-index: -4;
      background:
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: radial-gradient(circle at center, black, transparent 78%);
      opacity: 0.34;
    }

    .grain {
      z-index: -3;
      opacity: var(--grain-opacity);
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
      mix-blend-mode: overlay;
    }

    .vignette {
      z-index: -2;
      background:
        radial-gradient(circle at center, transparent 36%, var(--vignette) 100%),
        linear-gradient(to bottom, rgba(0,0,0,.28), transparent 24%, transparent 72%, rgba(0,0,0,.36));
    }

    .ambient-layer {
      z-index: -1;
      opacity: 0;
      transition: opacity 700ms var(--ease);
    }

    body[data-ambient="rain"] .ambient-layer,
    body[data-ambient="sea"] .ambient-layer,
    body[data-ambient="heat"] .ambient-layer,
    body[data-ambient="static"] .ambient-layer,
    body[data-ambient="wind"] .ambient-layer {
      opacity: 1;
    }

    body[data-ambient="rain"] .ambient-layer {
      background-image: repeating-linear-gradient(105deg, transparent 0 17px, rgba(220,235,255,.10) 18px, transparent 20px);
      animation: rainDrift 1.4s linear infinite;
    }

    body[data-ambient="sea"] .ambient-layer {
      background:
        repeating-radial-gradient(ellipse at 50% 110%, rgba(130,190,210,.12) 0 2px, transparent 3px 19px);
      animation: seaBreath 6s var(--ease) infinite alternate;
    }

    body[data-ambient="heat"] .ambient-layer {
      background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(255,210,150,.08) 20px, transparent 34px);
      filter: blur(9px);
      animation: heatWave 3.2s ease-in-out infinite alternate;
    }

    body[data-ambient="static"] .ambient-layer {
      background-image:
        repeating-linear-gradient(0deg, rgba(255,255,255,.08) 0 1px, transparent 1px 4px),
        repeating-linear-gradient(90deg, transparent 0 12px, rgba(255,255,255,.045) 13px, transparent 14px);
      opacity: .22;
      animation: staticJump 450ms steps(2) infinite;
    }

    body[data-ambient="wind"] .ambient-layer {
      background: repeating-linear-gradient(14deg, transparent 0 34px, rgba(255,255,255,.055) 35px, transparent 70px);
      animation: windSlide 2.5s linear infinite;
    }

    body[data-theme="paper"] {
      color-scheme: light;
      --bg-0: #e8e1d3;
      --bg-1: #f4efe5;
      --bg-2: #d8cfbd;
      --text: #211e19;
      --muted: #726b60;
      --soft: rgba(33, 30, 25, 0.66);
      --line: rgba(33, 30, 25, 0.17);
      --panel: rgba(244, 239, 229, 0.58);
      --panel-solid: rgba(244, 239, 229, 0.96);
      --accent: #7b5e3e;
      --shadow: rgba(72, 56, 36, 0.18);
      --grain-opacity: .11;
      --vignette: rgba(88, 67, 39, 0.22);
    }

    body[data-theme="tide"] {
      --bg-0: #081115;
      --bg-1: #10242c;
      --bg-2: #172f38;
      --text: #edf7f7;
      --muted: #a9c0c4;
      --soft: rgba(237, 247, 247, 0.68);
      --line: rgba(189, 225, 230, 0.18);
      --panel: rgba(6, 17, 22, 0.58);
      --panel-solid: rgba(6, 17, 22, 0.94);
      --accent: #8ac7d4;
      --ambient-a: rgba(83, 168, 188, .18);
      --ambient-b: rgba(50, 95, 120, .20);
    }

    body[data-theme="summer"] {
      color-scheme: light;
      --bg-0: #e6d4a8;
      --bg-1: #d8b972;
      --bg-2: #8f5e3b;
      --text: #24170e;
      --muted: #6a4b34;
      --soft: rgba(36, 23, 14, 0.68);
      --line: rgba(36, 23, 14, 0.17);
      --panel: rgba(255, 244, 212, 0.52);
      --panel-solid: rgba(255, 244, 212, 0.96);
      --accent: #7d2f19;
      --danger: #9b2f23;
      --shadow: rgba(75, 42, 16, 0.24);
      --ambient-a: rgba(255, 204, 116, .18);
      --ambient-b: rgba(123, 48, 21, .14);
      --vignette: rgba(75, 39, 10, 0.24);
    }

    body[data-theme="night"] {
      --bg-0: #05070f;
      --bg-1: #10162a;
      --bg-2: #171d34;
      --text: #eef2ff;
      --muted: #9ba4c0;
      --line: rgba(209, 219, 255, 0.16);
      --panel: rgba(5, 8, 17, 0.56);
      --panel-solid: rgba(5, 8, 17, 0.94);
      --accent: #aebcff;
      --ambient-a: rgba(85, 100, 190, .16);
    }

    body[data-theme="blood"] {
      --bg-0: #120607;
      --bg-1: #241010;
      --bg-2: #321515;
      --text: #fff1ec;
      --muted: #c8aaa4;
      --line: rgba(255, 220, 210, .16);
      --panel: rgba(18, 6, 7, .58);
      --panel-solid: rgba(18, 6, 7, .94);
      --accent: #df8b7f;
      --danger: #ff7468;
      --ambient-a: rgba(160, 23, 28, .18);
      --ambient-b: rgba(90, 8, 12, .22);
    }

    body[data-theme="void"] {
      --bg-0: #020202;
      --bg-1: #090909;
      --bg-2: #151515;
      --text: #f7f7f7;
      --muted: #999999;
      --line: rgba(255,255,255,.14);
      --panel: rgba(0,0,0,.44);
      --panel-solid: rgba(0,0,0,.94);
      --accent: #ffffff;
      --grain-opacity: .04;
      --vignette: rgba(0,0,0,.72);
    }

    body[data-theme="noir"] {
      --bg-0: #070707;
      --bg-1: #141414;
      --bg-2: #26231f;
      --text: #f2eee6;
      --muted: #aaa196;
      --line: rgba(255, 244, 229, .15);
      --panel: rgba(8,8,8,.58);
      --panel-solid: rgba(8,8,8,.94);
      --accent: #d1b47c;
      --ambient-a: rgba(255, 219, 146, .08);
    }

    body[data-color-mode="light"] {
      color-scheme: light;
      --bg-0: #ece8df;
      --bg-1: #f8f5ee;
      --bg-2: #d6d0c3;
      --text: #191714;
      --muted: #696158;
      --soft: rgba(25, 23, 20, 0.66);
      --line: rgba(25, 23, 20, 0.16);
      --panel: rgba(255, 252, 245, 0.62);
      --panel-solid: rgba(255, 252, 245, 0.96);
      --shadow: rgba(63, 54, 42, 0.18);
      --grain-opacity: .09;
      --vignette: rgba(70, 58, 42, 0.2);
    }

    body[data-color-mode="dark"] {
      color-scheme: dark;
      --bg-0: #070707;
      --bg-1: #141414;
      --bg-2: #24211d;
      --text: #f2eee6;
      --muted: #aaa196;
      --soft: rgba(242, 238, 230, 0.68);
      --line: rgba(255, 244, 229, .15);
      --panel: rgba(8,8,8,.58);
      --panel-solid: rgba(8,8,8,.94);
      --shadow: rgba(0, 0, 0, 0.42);
      --grain-opacity: .075;
      --vignette: rgba(0,0,0,.58);
    }

    body[data-theme="void"][data-color-mode="light"] {
      --accent: #333333;
    }

    body[data-theme="paper"][data-color-mode="dark"],
    body[data-theme="summer"][data-color-mode="dark"] {
      --accent: #d8cab2;
    }

    .topbar,
    .bottombar {
      position: relative;
      z-index: 5;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      width: min(100%, calc(var(--reading-width) + 112px));
      margin: 0 auto;
      padding: 18px clamp(16px, 4vw, 40px);
      opacity: 0;
      pointer-events: none;
      transform: translateY(-6px);
      transition: opacity 500ms var(--ease), transform 500ms var(--ease);
    }

    .bottombar {
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      transform: translateY(6px);
      padding-bottom: max(18px, env(safe-area-inset-bottom));
    }

    body[data-mode="play"] .topbar,
    body[data-mode="play"] .bottombar {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .story-mark {
      min-width: 0;
    }

    .bar-actions {
      display: inline-flex;
      gap: 8px;
      align-items: center;
    }

    .story-kicker,
    .status-label,
    .tiny {
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 11px;
      line-height: 1.2;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .story-title-line {
      margin-top: 5px;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      font-size: 15px;
      letter-spacing: .08em;
      color: var(--soft);
    }

    .meter {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: min(240px, 42vw);
    }

    .meter-track,
    .progress-track {
      overflow: hidden;
      height: 3px;
      background: var(--line);
    }

    .meter-track {
      width: 104px;
    }

    .meter-fill,
    .progress-fill {
      width: 0%;
      height: 100%;
      background: var(--accent);
      transition: width 450ms var(--ease), background 450ms var(--ease);
    }

    .progress-track {
      width: 100%;
    }

    .icon-btn,
    .text-btn,
    .choice-btn {
      border: 1px solid var(--line);
      background: transparent;
      cursor: pointer;
      transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease), opacity 180ms var(--ease);
    }

    .icon-btn {
      display: inline-grid;
      place-items: center;
      width: 38px;
      height: 38px;
      padding: 0;
      border-radius: 999px;
      color: var(--soft);
    }

    .icon-btn:hover,
    .text-btn:hover,
    .choice-btn:hover {
      border-color: color-mix(in srgb, var(--accent) 72%, transparent);
      background: color-mix(in srgb, var(--accent) 9%, transparent);
      color: var(--text);
    }

    .icon-btn:active,
    .choice-btn:active,
    .text-btn:active {
      transform: translateY(1px);
    }

    .icon-btn.clicked,
    .text-btn.clicked,
    .choice-btn.clicked,
    .mini-btn.clicked {
      animation: clickPop 260ms var(--ease);
    }

    .icon-btn:disabled,
    .text-btn:disabled {
      opacity: .38;
      cursor: default;
    }

    .text-btn {
      min-height: 40px;
      padding: 0 18px;
      border-radius: 2px;
      color: var(--soft);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 13px;
      letter-spacing: .08em;
    }

    .reader {
      position: relative;
      z-index: 3;
      display: grid;
      align-items: center;
      width: min(100%, calc(var(--reading-width) + 112px));
      min-height: 0;
      margin: 0 auto;
      padding: clamp(18px, 4vw, 56px);
    }

    .page {
      display: grid;
      gap: 28px;
      width: 100%;
      max-width: var(--reading-width);
      max-height: min(72svh, 760px);
      margin: 0 auto;
    }

    .chapter-name {
      min-height: 17px;
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .16em;
      text-transform: uppercase;
      opacity: .9;
    }

    .text-card {
      min-height: 260px;
      overflow: auto;
      padding-right: 4px;
      scrollbar-width: thin;
      scrollbar-color: var(--line) transparent;
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 380ms var(--ease), transform 380ms var(--ease), filter 220ms var(--ease);
    }

    .text-card.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .speaker {
      display: none;
      margin-bottom: 18px;
      color: var(--accent);
      font-size: clamp(17px, 2.1vw, 23px);
      line-height: 1.2;
      font-weight: 700;
      letter-spacing: .12em;
    }

    .speaker.is-visible {
      display: block;
    }

    .story-text {
      margin: 0;
      color: var(--text);
      font-size: calc(clamp(18px, 2.1vw, 22px) * var(--story-font-scale));
      line-height: 2.05;
      letter-spacing: .02em;
      white-space: pre-wrap;
    }

    .story-text.system {
      color: var(--soft);
      font-style: italic;
    }

    .continue-hint {
      height: 18px;
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .14em;
      text-align: right;
      opacity: 0;
      transition: opacity 260ms var(--ease);
      animation: hintBlink 1.9s ease-in-out infinite;
    }

    .continue-hint.is-visible {
      opacity: .78;
    }

    .choices {
      display: grid;
      gap: 12px;
      opacity: 0;
      transform: translateY(6px);
      pointer-events: none;
      transition: opacity 280ms var(--ease), transform 280ms var(--ease);
    }

    .choices.is-visible {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .choice-btn {
      width: 100%;
      min-height: 54px;
      padding: 14px 18px;
      border-radius: 0;
      color: var(--soft);
      text-align: left;
      font-size: clamp(15px, 1.8vw, 18px);
      line-height: 1.55;
      background: linear-gradient(90deg, color-mix(in srgb, var(--panel) 72%, transparent), transparent);
    }

    .choice-btn::before {
      content: "";
      display: inline-block;
      width: 18px;
      height: 1px;
      margin-right: 12px;
      vertical-align: middle;
      background: currentColor;
      opacity: .54;
      transition: width 180ms var(--ease), opacity 180ms var(--ease);
    }

    .choice-btn:hover::before {
      width: 30px;
      opacity: .86;
    }

    .launcher,
    .overlay-screen,
    .menu-panel {
      position: fixed;
      inset: 0;
      z-index: 20;
      display: grid;
      place-items: center;
      padding: clamp(22px, 5vw, 60px);
      background:
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
        radial-gradient(circle at 28% 20%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 32%),
        linear-gradient(145deg, color-mix(in srgb, var(--bg-0) 94%, black), var(--bg-1) 52%, var(--bg-2));
      background-size: 42px 42px, auto, auto;
      transition: opacity 480ms var(--ease), visibility 480ms var(--ease);
    }

    .launcher.is-hidden,
    .overlay-screen.is-hidden,
    .menu-panel.is-hidden {
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
    }

    .launcher-inner,
    .modal-inner {
      width: min(100%, 980px);
    }

    .launcher-inner {
      display: block;
    }

    .library-view,
    .story-view {
      display: none;
    }

    .library-view,
    .story-view {
      grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr);
      gap: clamp(28px, 5vw, 64px);
      align-items: center;
    }

    body[data-home="library"] .library-view,
    body[data-home="story"] .story-view {
      display: grid;
    }

    .library-view .tape-deck {
      grid-row: 1 / span 3;
    }

    .library-view .brand {
      align-self: end;
    }

    .library-view .launcher-actions,
    .library-view .tape-library {
      grid-column: 2;
    }

    .tape-deck {
      position: relative;
      min-height: clamp(300px, 46vw, 520px);
      border: 1px solid var(--line);
      background:
        linear-gradient(90deg, color-mix(in srgb, var(--accent) 22%, transparent) 0 1px, transparent 1px 100%),
        linear-gradient(180deg, transparent 0 22%, var(--line) 22% calc(22% + 1px), transparent calc(22% + 1px) 47%, var(--line) 47% calc(47% + 1px), transparent calc(47% + 1px) 72%, var(--line) 72% calc(72% + 1px), transparent calc(72% + 1px)),
        color-mix(in srgb, var(--panel-solid) 88%, transparent);
      background-size: 18px 100%, auto, auto;
      box-shadow: 0 30px 100px var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
      overflow: hidden;
    }

    .tape-deck::before {
      content: "";
      position: absolute;
      left: 12%;
      right: 12%;
      top: 18%;
      bottom: 17%;
      background:
        linear-gradient(90deg,
          color-mix(in srgb, var(--accent) 58%, transparent) 0 7%,
          transparent 7% 10%,
          color-mix(in srgb, var(--text) 18%, transparent) 10% 18%,
          transparent 18% 21%,
          color-mix(in srgb, var(--accent) 34%, transparent) 21% 31%,
          transparent 31% 36%,
          color-mix(in srgb, var(--muted) 30%, transparent) 36% 43%,
          transparent 43% 49%,
          color-mix(in srgb, var(--text) 24%, transparent) 49% 61%,
          transparent 61% 66%,
          color-mix(in srgb, var(--accent) 45%, transparent) 66% 76%,
          transparent 76% 81%,
          color-mix(in srgb, var(--muted) 28%, transparent) 81% 100%);
      box-shadow:
        0 42px 0 color-mix(in srgb, var(--panel) 65%, transparent),
        0 98px 0 color-mix(in srgb, var(--panel) 42%, transparent);
      animation: shelfBreathe 5.8s ease-in-out infinite alternate;
    }

    .tape-deck::after {
      content: "LOCAL STORY LIBRARY";
      position: absolute;
      left: 22px;
      bottom: 20px;
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 11px;
      letter-spacing: .18em;
    }

    .tv-frame {
      position: relative;
      min-height: clamp(360px, 48vw, 560px);
      border: 1px solid var(--line);
      background:
        linear-gradient(90deg, color-mix(in srgb, var(--accent) 28%, transparent) 0 7px, transparent 7px),
        linear-gradient(145deg, color-mix(in srgb, var(--panel-solid) 92%, transparent), color-mix(in srgb, var(--bg-2) 78%, transparent));
      box-shadow: 0 28px 90px var(--shadow), inset 0 0 0 1px rgba(255,255,255,.03);
      padding: clamp(24px, 4vw, 52px);
    }

    .tv-frame::before {
      content: "";
      position: absolute;
      inset: clamp(18px, 3vw, 36px);
      border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
      background:
        linear-gradient(180deg, transparent 0 16%, color-mix(in srgb, var(--line) 80%, transparent) 16% calc(16% + 1px), transparent calc(16% + 1px)),
        radial-gradient(circle at 76% 18%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 22%);
      box-shadow: inset 0 0 70px rgba(0,0,0,.16);
    }

    .tv-content {
      position: relative;
      z-index: 1;
      display: grid;
      align-content: center;
      min-height: clamp(300px, 42vw, 460px);
      padding: clamp(28px, 5vw, 64px);
    }

    .tv-knobs {
      display: none;
    }

    .tape-slot {
      position: absolute;
      left: 16%;
      right: 16%;
      top: 12%;
      height: 1px;
      background: var(--line);
    }

    .tape-library {
      display: grid;
      gap: 10px;
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
    }

    .tape-library-title {
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 11px;
      letter-spacing: .16em;
      text-transform: uppercase;
    }

    .cached-tape {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 10px;
      align-items: center;
      min-height: 52px;
      padding: 12px 12px 12px 16px;
      border: 1px solid var(--line);
      border-left: 4px solid color-mix(in srgb, var(--accent) 55%, transparent);
      background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 8%, transparent), color-mix(in srgb, var(--panel) 76%, transparent));
      color: var(--muted);
      cursor: pointer;
      text-align: left;
    }

    .cached-tape strong {
      display: block;
      color: var(--text);
      font-size: 15px;
      letter-spacing: .06em;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
    }

    .cached-tape span {
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
    }

    .cached-tape .mini-btn {
      min-width: 44px;
    }

    .cached-tape .mini-btn:first-child {
      display: block;
      min-height: 42px;
      text-align: left;
      border-color: transparent;
      padding: 4px 0;
    }

    .deck-light {
      position: absolute;
      right: 24px;
      top: 24px;
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 18px var(--accent);
      animation: deckLight 1.8s ease-in-out infinite alternate;
    }

    .deck-label {
      position: absolute;
      left: 22px;
      top: 24px;
      color: var(--soft);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .16em;
    }

    .brand {
      margin-bottom: clamp(28px, 6vh, 58px);
    }

    .brand h1 {
      margin: 0;
      color: var(--text);
      font-size: clamp(36px, 7.4vw, 86px);
      line-height: 1.02;
      letter-spacing: 0;
      font-weight: 650;
      text-wrap: balance;
    }

    .brand p {
      max-width: 560px;
      margin: 22px 0 0;
      color: var(--muted);
      font-size: clamp(15px, 2vw, 18px);
      line-height: 2;
      letter-spacing: .02em;
    }

    .launcher-actions,
    .menu-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .primary {
      color: var(--bg-0);
      background: var(--accent);
      border-color: var(--accent);
    }

    .primary:hover {
      color: var(--bg-0);
      background: color-mix(in srgb, var(--accent) 86%, white);
    }

    .danger {
      color: var(--danger);
    }

    .file-input {
      display: none;
    }

    .loaded-card {
      display: none;
      margin: 0 0 22px;
      padding: 0 0 16px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 13px;
      line-height: 1.7;
    }

    .loaded-card.is-visible {
      display: block;
    }

    .loaded-card strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
      font-family: "Songti SC", "Noto Serif SC", serif;
      font-size: clamp(22px, 3vw, 32px);
      letter-spacing: .04em;
    }

    .story-home {
      display: none;
      margin-top: 0;
      padding-top: 0;
    }

    .home-cover {
      display: grid;
      gap: 12px;
    }

    .cover-label {
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 11px;
      letter-spacing: .2em;
      text-transform: uppercase;
    }

    .cover-title {
      margin: 0;
      max-width: 720px;
      color: var(--text);
      font-size: clamp(38px, 7vw, 80px);
      line-height: 1.05;
      letter-spacing: 0;
      font-weight: 620;
      text-wrap: balance;
    }

    .cover-tagline {
      max-width: 620px;
      margin: 0;
      color: var(--soft);
      font-size: clamp(15px, 2vw, 19px);
      line-height: 1.8;
    }

    .story-home.is-visible {
      display: block;
    }

    .home-actions {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(128px, max-content));
      gap: 10px;
      align-items: center;
      margin-bottom: 20px;
    }

    .record-panel {
      display: none;
      position: fixed;
      left: 50vw;
      top: 50svh;
      z-index: 52;
      width: min(760px, calc(100vw - 36px));
      max-height: min(78svh, 720px);
      margin: 0;
      padding: clamp(18px, 3vw, 28px);
      border: 1px solid var(--line);
      border-left: 4px solid var(--accent);
      background: color-mix(in srgb, var(--panel-solid) 95%, transparent);
      box-shadow: 0 24px 80px var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
      overflow: hidden;
      transform: translate(-50%, -50%);
      backdrop-filter: blur(18px);
    }

    .record-panel.is-visible {
      display: block;
      animation: modalSettle 320ms var(--ease) both;
    }

    .record-panel.is-closing,
    .developer-library-panel.is-closing {
      display: block !important;
      pointer-events: none;
      animation: modalDismiss 220ms var(--ease) both !important;
    }

    .record-panel h2 {
      margin: 0 0 14px;
      color: var(--text);
      font-size: clamp(20px, 3vw, 30px);
      line-height: 1.25;
      letter-spacing: .08em;
    }

    .record-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
      gap: 10px;
      max-height: min(56svh, 520px);
      overflow: auto;
    }

    .record-list.wide {
      grid-template-columns: 1fr;
    }

    .record-list.is-hidden {
      display: none;
    }

    .record-item {
      min-height: 82px;
      padding: 14px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: color-mix(in srgb, var(--panel) 78%, transparent);
      font-size: 13px;
      line-height: 1.55;
    }

    .record-item strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text);
      font-size: 15px;
      letter-spacing: .04em;
    }

    .record-item.locked {
      opacity: .55;
    }

    .unknown-mark {
      display: inline-grid;
      place-items: center;
      min-width: 34px;
      height: 24px;
      margin-bottom: 8px;
      border: 1px solid var(--line);
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .12em;
    }

    .record-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .snapshot-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 10px;
    }

    .snapshot-tag {
      max-width: 100%;
      padding: 5px 8px;
      border: 1px solid var(--line);
      color: var(--text);
      background: color-mix(in srgb, var(--panel-solid) 62%, transparent);
      font-size: 11px;
      line-height: 1.35;
      letter-spacing: .06em;
    }

    .snapshot-tag.state {
      color: var(--muted);
      background: transparent;
    }

    .mode-switch {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 34px;
      padding: 3px;
      border: 1px solid var(--line);
      background: color-mix(in srgb, var(--panel) 74%, transparent);
    }

    .mode-switch button {
      min-width: 42px;
      min-height: 26px;
      border: 0;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .08em;
    }

    .mode-switch button.is-active {
      background: var(--accent);
      color: var(--bg-0);
    }

    .mini-btn,
    .select-field {
      min-height: 32px;
      border: 1px solid var(--line);
      background: transparent;
      color: var(--soft);
      padding: 0 10px;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .06em;
    }

    .mini-btn {
      cursor: pointer;
    }

    .setting-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 12px;
    }

    .setting-card {
      padding: 14px;
      border: 1px solid var(--line);
      background: color-mix(in srgb, var(--panel) 78%, transparent);
    }

    .setting-card label {
      display: block;
      margin-bottom: 8px;
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 12px;
      letter-spacing: .12em;
    }

    .toast {
      position: fixed;
      right: clamp(16px, 4vw, 36px);
      bottom: clamp(18px, 5vw, 42px);
      z-index: 60;
      max-width: min(360px, calc(100vw - 32px));
      padding: 14px 16px;
      border: 1px solid var(--line);
      background: var(--panel-solid);
      box-shadow: 0 18px 60px var(--shadow);
      color: var(--muted);
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
      transition: opacity 260ms var(--ease), transform 260ms var(--ease);
      font-size: 13px;
      line-height: 1.55;
    }

    .toast.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .toast strong {
      display: block;
      color: var(--text);
      font-size: 15px;
      margin-bottom: 3px;
    }

    .decision-float {
      position: fixed;
      left: 50%;
      top: 18svh;
      z-index: 59;
      padding: 12px 18px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: color-mix(in srgb, var(--panel-solid) 88%, transparent);
      color: var(--text);
      box-shadow: 0 18px 54px var(--shadow);
      font-family: var(--font-sans);
      font-size: 13px;
      font-weight: 650;
      letter-spacing: .12em;
      opacity: 0;
      pointer-events: none;
      transform: translate(-50%, 14px);
      transition: opacity 260ms var(--ease), transform 420ms var(--ease);
      backdrop-filter: blur(18px);
    }

    .decision-float.is-visible {
      opacity: .94;
      transform: translate(-50%, 0);
    }

    .scene-card {
      position: fixed;
      left: 50%;
      top: 50%;
      z-index: 18;
      width: min(520px, calc(100vw - 36px));
      padding: clamp(18px, 3vw, 28px);
      border: 1px solid var(--line);
      border-left: 4px solid var(--accent);
      background: color-mix(in srgb, var(--panel-solid) 94%, transparent);
      box-shadow: 0 22px 70px var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
      opacity: 1;
      transform: translate(-50%, -50%);
      transition: opacity 360ms var(--ease), transform 360ms var(--ease), visibility 360ms var(--ease);
      text-align: left;
      cursor: pointer;
    }

    .scene-card.is-hidden {
      visibility: hidden;
      opacity: 0;
      transform: translate(-50%, calc(-50% + 10px));
      pointer-events: none;
    }

    body[data-color-mode="light"] .scene-card,
    body[data-color-mode="light"] .toast,
    body[data-color-mode="light"] .modal-inner {
      background: color-mix(in srgb, var(--panel-solid) 98%, white);
      box-shadow: 0 18px 48px rgba(63, 54, 42, .18);
    }

    .scene-card-kicker {
      margin-bottom: 10px;
      color: var(--muted);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 11px;
      letter-spacing: .18em;
      text-transform: uppercase;
    }

    .scene-card-title {
      margin: 0;
      color: var(--text);
      font-size: clamp(24px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 620;
    }

    .scene-card-copy {
      margin: 14px 0 0;
      color: var(--muted);
      font-size: clamp(14px, 1.8vw, 17px);
      line-height: 1.85;
      white-space: pre-line;
    }

    body.scene-transitioning .app-shell,
    body.scene-transitioning .backdrop,
    body.scene-transitioning .ambient-layer {
      filter: blur(3px);
      transition: filter 360ms var(--ease);
    }

    body.scene-transitioning .grain,
    body.scene-transitioning .vignette {
      opacity: calc(var(--grain-opacity) + .05);
    }

    body.media-inserting .tape-deck {
      animation: insertTape 900ms var(--ease) both;
    }

    body.media-ejecting .tv-frame {
      animation: closeBook 650ms var(--ease) both;
    }

    body.media-ejecting .tape-deck {
      animation: ejectTape 760ms var(--ease) both;
    }

    body.media-tuning .tv-frame::before {
      animation: pageSettle 900ms var(--ease) both;
    }

    .overlay-screen {
      z-index: 16;
      text-align: center;
      pointer-events: none;
    }

    .overlay-screen.is-interactive {
      pointer-events: auto;
      cursor: pointer;
    }

    .overlay-screen.is-hidden {
      opacity: 0;
    }

    .overlay-title {
      max-width: 860px;
      margin: 0 auto;
      color: var(--text);
      font-size: clamp(28px, 6vw, 66px);
      line-height: 1.25;
      letter-spacing: .12em;
      text-wrap: balance;
    }

    .overlay-sub {
      margin: 20px auto 0;
      max-width: 620px;
      color: var(--muted);
      font-size: clamp(15px, 2vw, 19px);
      line-height: 1.9;
      white-space: pre-line;
    }

    .menu-panel {
      z-index: 30;
      background: rgba(0,0,0,.38);
      backdrop-filter: blur(18px);
    }

    .modal-inner {
      padding: clamp(22px, 4vw, 38px);
      border: 1px solid var(--line);
      background: var(--panel-solid);
      box-shadow: 0 28px 90px var(--shadow);
    }

    .modal-inner h2 {
      margin: 0 0 18px;
      font-size: clamp(24px, 4vw, 42px);
      line-height: 1.2;
      letter-spacing: .06em;
    }

    .modal-copy {
      margin: 0 0 24px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
    }

    .ending-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 10px;
      max-height: 42vh;
      overflow: auto;
      margin: 22px 0;
    }

    .ending-item {
      min-height: 74px;
      padding: 13px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: color-mix(in srgb, var(--panel) 75%, transparent);
      font-size: 13px;
      line-height: 1.5;
    }

    .ending-item strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
      font-size: 15px;
    }

    body.fx-shake .reader {
      animation: fxShake 520ms linear both;
    }

    body.fx-blur .text-card {
      filter: blur(2px);
    }

    body.fx-flash::after,
    body.fx-blackout::after,
    body.fx-blood::after,
    body.fx-cold::after,
    body.fx-drown::after,
    body.fx-heat::after,
    body.fx-glitch::after,
    body.fx-pulse::after,
    body.fx-breath::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 14;
      pointer-events: none;
    }

    body.fx-flash::after {
      background: white;
      animation: fxFade 560ms ease-out both;
    }

    body.fx-blackout::after {
      background: black;
      animation: fxBlackout 1300ms ease-in-out both;
    }

    body.fx-blood::after {
      background: radial-gradient(circle at center, transparent 24%, rgba(120, 0, 0, .54));
      animation: fxFade 1100ms ease-out both;
    }

    body.fx-cold::after {
      background: rgba(180, 220, 255, .22);
      mix-blend-mode: screen;
      animation: fxFade 1000ms ease-out both;
    }

    body.fx-drown::after {
      background:
        radial-gradient(circle at 50% 110%, rgba(42, 126, 148, .35), transparent 52%),
        linear-gradient(to top, rgba(19, 88, 114, .42), transparent);
      animation: fxDrown 1800ms ease-in-out both;
    }

    body.fx-heat::after {
      background: repeating-linear-gradient(90deg, transparent 0 14px, rgba(255, 205, 128, .12) 15px, transparent 30px);
      filter: blur(8px);
      animation: heatWave 900ms ease-in-out both;
    }

    body.fx-glitch::after {
      background:
        linear-gradient(0deg, transparent 0 48%, rgba(255,255,255,.16) 49%, transparent 51%),
        repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.07) 4px);
      mix-blend-mode: difference;
      animation: fxGlitch 650ms steps(2) both;
    }

    body.fx-pulse::after {
      background: radial-gradient(circle at center, transparent 28%, rgba(0,0,0,.4));
      animation: fxPulse 900ms ease-in-out both;
    }

    body.fx-breath::after {
      background: rgba(255,255,255,.06);
      animation: fxBreath 1500ms ease-in-out both;
    }

    body.fx-noise .grain {
      --grain-opacity: .24;
      animation: staticJump 180ms steps(2) infinite;
    }

    body.fx-silence .ambient-layer,
    body.fx-silence .grain {
      opacity: 0;
    }

    @keyframes rainDrift {
      from { background-position: 0 0; }
      to { background-position: -70px 130px; }
    }

    @keyframes seaBreath {
      from { transform: translateY(0) scale(1); opacity: .52; }
      to { transform: translateY(-18px) scale(1.04); opacity: .86; }
    }

    @keyframes heatWave {
      from { transform: translateX(-10px) skewX(-2deg); opacity: .34; }
      to { transform: translateX(14px) skewX(2deg); opacity: .78; }
    }

    @keyframes staticJump {
      0% { transform: translate(0,0); }
      50% { transform: translate(-2px,1px); }
      100% { transform: translate(2px,-1px); }
    }

    @keyframes windSlide {
      from { background-position: 0 0; }
      to { background-position: 180px 0; }
    }

    @keyframes shelfBreathe {
      from { filter: brightness(.96); transform: translateY(0); }
      to { filter: brightness(1.05); transform: translateY(-2px); }
    }

    @keyframes deckLight {
      from { opacity: .45; }
      to { opacity: 1; }
    }

    @keyframes clickPop {
      0% { transform: scale(1); }
      45% { transform: scale(.965); }
      100% { transform: scale(1); }
    }

    @keyframes insertTape {
      0% { transform: translateY(0) scale(1); filter: brightness(1); }
      46% { transform: translateY(-10px) scale(.99); filter: brightness(1.18); }
      100% { transform: translateY(0) scale(1); filter: brightness(1); }
    }

    @keyframes ejectTape {
      0% { transform: translateY(0); filter: brightness(1); }
      44% { transform: translateY(12px); filter: brightness(1.12); }
      100% { transform: translateY(0); filter: brightness(1); }
    }

    @keyframes pageSettle {
      0% { opacity: .18; transform: translateY(8px); }
      55% { opacity: .72; transform: translateY(-2px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    @keyframes modalSettle {
      0% { opacity: 0; transform: translate(-50%, calc(-50% + 14px)); }
      100% { opacity: 1; transform: translate(-50%, -50%); }
    }

    @keyframes modalDismiss {
      0% { opacity: 1; transform: translate(-50%, -50%); }
      100% { opacity: 0; transform: translate(-50%, calc(-50% + 12px)); }
    }

    @keyframes closeBook {
      0% { filter: brightness(1); transform: perspective(900px) rotateY(0); }
      62% { filter: brightness(1.12); transform: perspective(900px) rotateY(-8deg); }
      100% { filter: brightness(.7); transform: perspective(900px) rotateY(-16deg); }
    }

    @keyframes hintBlink {
      0%, 100% { opacity: .2; }
      50% { opacity: .78; }
    }

    @keyframes fxShake {
      10%, 90% { transform: translateX(-1px); }
      20%, 80% { transform: translateX(3px); }
      30%, 50%, 70% { transform: translateX(-5px); }
      40%, 60% { transform: translateX(5px); }
    }

    @keyframes fxFade {
      from { opacity: .95; }
      to { opacity: 0; }
    }

    @keyframes fxBlackout {
      0% { opacity: 0; }
      20%, 72% { opacity: 1; }
      100% { opacity: 0; }
    }

    @keyframes fxDrown {
      0% { opacity: 0; transform: translateY(18px); }
      42% { opacity: 1; }
      100% { opacity: 0; transform: translateY(-8px); }
    }

    @keyframes fxGlitch {
      0% { opacity: 0; transform: translate(0); }
      20% { opacity: .9; transform: translate(-4px, 2px); }
      50% { opacity: .55; transform: translate(5px, -2px); }
      100% { opacity: 0; transform: translate(0); }
    }

    @keyframes fxPulse {
      0% { opacity: 0; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.03); }
      100% { opacity: 0; transform: scale(1); }
    }

    @keyframes fxBreath {
      0%, 100% { opacity: 0; }
      42% { opacity: .72; }
    }

    @media (max-width: 720px) {
      .library-view,
      .story-view {
        grid-template-columns: 1fr;
      }

      .tape-deck {
        min-height: 220px;
      }

      .library-view .tape-deck,
      .library-view .launcher-actions,
      .library-view .tape-library {
        grid-column: auto;
        grid-row: auto;
      }

      .topbar {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .meter {
        min-width: 0;
      }

      .meter-track {
        flex: 1;
        width: auto;
      }

      .bottombar {
        grid-template-columns: auto 1fr auto;
        gap: 10px;
      }

      .text-btn {
        min-height: 38px;
        padding: 0 13px;
        font-size: 12px;
      }

      .icon-btn {
        width: 36px;
        height: 36px;
      }

      .reader {
        padding: 16px;
      }

      .page {
        max-height: 74svh;
        gap: 20px;
      }

      .text-card {
        min-height: 220px;
      }

      .story-text {
        line-height: 1.9;
      }

      .choice-btn {
        min-height: 50px;
        padding: 13px 14px;
      }
    }

    /* UI reset: paper shelf / title page / literary reader */
    :root {
      color-scheme: light;
      --bg-0: #f4f1ea;
      --bg-1: #ebe5da;
      --bg-2: #ded6c8;
      --text: #171717;
      --muted: #77716a;
      --soft: rgba(0, 0, 0, .62);
      --line: rgba(20, 20, 20, .14);
      --panel: rgba(255, 252, 245, .68);
      --panel-solid: rgba(255, 252, 245, .92);
      --accent: #8b1e1e;
      --danger: #9d2d2d;
      --shadow: rgba(0, 0, 0, .08);
      --grain-opacity: .045;
      --vignette: rgba(80, 64, 42, .14);
      --reading-width: 760px;
      --ui-radius: 26px;
      --font-song: "Songti SC", "Noto Serif CJK SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    body {
      background:
        radial-gradient(circle at 20% 8%, rgba(255,255,255,.9), transparent 28%),
        radial-gradient(circle at 74% 20%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 30%),
        linear-gradient(135deg, var(--bg-0) 0%, var(--bg-1) 100%);
      color: var(--text);
      font-family: var(--font-sans);
    }

    body[data-color-mode="light"] {
      color-scheme: light;
      --bg-0: #f4f1ea;
      --bg-1: #ebe5da;
      --bg-2: #ded6c8;
      --text: #171717;
      --muted: #77716a;
      --soft: rgba(0, 0, 0, .62);
      --line: rgba(20, 20, 20, .14);
      --panel: rgba(255, 252, 245, .68);
      --panel-solid: rgba(255, 252, 245, .92);
      --accent: #8b1e1e;
      --danger: #9d2d2d;
      --shadow: rgba(0, 0, 0, .08);
      --vignette: rgba(80, 64, 42, .14);
    }

    body[data-color-mode="dark"] {
      color-scheme: dark;
      --bg-0: #0f0f0f;
      --bg-1: #161616;
      --bg-2: #22201d;
      --text: #eeeeea;
      --muted: rgba(255,255,255,.48);
      --soft: rgba(255,255,255,.68);
      --line: rgba(255,255,255,.14);
      --panel: rgba(255,255,255,.045);
      --panel-solid: rgba(17,17,17,.82);
      --accent: #d8cab2;
      --shadow: rgba(0,0,0,.46);
      --vignette: rgba(0,0,0,.5);
    }

    .backdrop {
      opacity: .26;
      background:
        linear-gradient(90deg, rgba(0,0,0,.035) 1px, transparent 1px),
        linear-gradient(0deg, rgba(0,0,0,.026) 1px, transparent 1px);
      background-size: 64px 64px;
    }

    body[data-color-mode="dark"] .backdrop {
      background:
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.025) 1px, transparent 1px);
    }

    .grain {
      mix-blend-mode: multiply;
    }

    body[data-color-mode="dark"] .grain {
      mix-blend-mode: overlay;
    }

    .launcher,
    .overlay-screen,
    .menu-panel {
      background:
        radial-gradient(circle at 20% 8%, rgba(255,255,255,.9), transparent 28%),
        linear-gradient(135deg, #f7f4ee 0%, #ebe5da 100%);
      padding: 0;
      overflow: auto;
      place-items: start center;
    }

    body[data-color-mode="dark"] .launcher,
    body[data-color-mode="dark"] .overlay-screen,
    body[data-color-mode="dark"] .menu-panel {
      background:
        radial-gradient(circle at 80% 12%, rgba(255,255,255,.07), transparent 26%),
        linear-gradient(135deg, #111 0%, #171717 100%);
    }

    .launcher-inner {
      width: min(1500px, 96vw);
      min-height: 100svh;
      padding: 40px 0 80px;
    }

    .library-view,
    .story-view {
      min-height: calc(100svh - 120px);
    }

    .library-view {
      grid-template-columns: minmax(0, 1.08fr) minmax(260px, .72fr);
      grid-template-rows: auto 1fr auto;
      gap: 22px 34px;
      align-items: stretch;
    }

    .library-view .tape-deck {
      grid-row: 2;
      grid-column: 1 / -1;
    }

    .library-view .brand {
      grid-column: 1;
      align-self: end;
      margin: 0;
      padding-bottom: 22px;
      border-bottom: 1px solid var(--line);
    }

    .library-view .launcher-actions {
      grid-column: 2;
      align-self: end;
      justify-self: end;
      display: flex;
      flex-direction: column;
      width: min(220px, 100%);
      gap: 10px;
      padding-bottom: 22px;
      border-bottom: 1px solid var(--line);
    }

    .library-view .tape-library {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px 18px;
      align-items: start;
      margin: 0;
      padding: 18px 0 0;
      border-top: 1px solid var(--line);
    }

    .tape-library-title {
      grid-column: 1;
      color: var(--muted);
      letter-spacing: .28em;
    }

    #cacheList {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
      gap: 16px;
    }

    .brand h1 {
      font-family: var(--font-song);
      font-size: clamp(34px, 4vw, 58px);
      line-height: 1.08;
      font-weight: 400;
      letter-spacing: -.04em;
      max-width: 760px;
    }

    .brand p {
      max-width: 520px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.9;
      letter-spacing: 0;
    }

    .text-btn,
    .mini-btn,
    .select-field {
      border-radius: 999px;
      border-color: var(--line);
      background: rgba(255,255,255,.38);
      color: var(--text);
      font-family: var(--font-sans);
      letter-spacing: .04em;
    }

    body[data-color-mode="dark"] .text-btn,
    body[data-color-mode="dark"] .mini-btn,
    body[data-color-mode="dark"] .select-field {
      background: rgba(255,255,255,.04);
      color: var(--soft);
    }

    .primary,
    .primary:hover {
      background: var(--text);
      border-color: var(--text);
      color: var(--bg-0);
    }

    .tape-deck {
      min-height: clamp(310px, 42vw, 500px);
      border-radius: 34px;
      border-color: var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,.12)),
        repeating-linear-gradient(90deg, transparent 0 24px, rgba(0,0,0,.035) 24px 25px),
        rgba(255,255,255,.36);
      box-shadow: 0 30px 80px var(--shadow);
    }

    body[data-color-mode="dark"] .tape-deck {
      background:
        radial-gradient(circle at 80% 12%, rgba(255,255,255,.07), transparent 26%),
        #111;
    }

    .tape-deck::before {
      left: 10%;
      right: 10%;
      top: 18%;
      bottom: 18%;
      border-radius: 24px;
      background:
        linear-gradient(90deg,
          rgba(139,30,30,.58) 0 10%,
          transparent 10% 13%,
          rgba(0,0,0,.18) 13% 24%,
          transparent 24% 29%,
          rgba(139,30,30,.34) 29% 42%,
          transparent 42% 48%,
          rgba(0,0,0,.22) 48% 61%,
          transparent 61% 67%,
          rgba(139,30,30,.48) 67% 78%,
          transparent 78% 84%,
          rgba(0,0,0,.16) 84% 100%);
      box-shadow:
        0 72px 0 rgba(0,0,0,.05),
        0 144px 0 rgba(0,0,0,.035);
    }

    body[data-color-mode="dark"] .tape-deck::before {
      background:
        linear-gradient(90deg,
          rgba(216,202,178,.4) 0 10%,
          transparent 10% 13%,
          rgba(255,255,255,.16) 13% 24%,
          transparent 24% 29%,
          rgba(216,202,178,.26) 29% 42%,
          transparent 42% 48%,
          rgba(255,255,255,.18) 48% 61%,
          transparent 61% 67%,
          rgba(216,202,178,.34) 67% 78%,
          transparent 78% 84%,
          rgba(255,255,255,.14) 84% 100%);
      box-shadow:
        0 72px 0 rgba(255,255,255,.035),
        0 144px 0 rgba(255,255,255,.025);
    }

    .deck-label,
    .tape-deck::after {
      color: var(--muted);
      letter-spacing: .28em;
    }

    .deck-light,
    .tape-slot {
      display: none;
    }

    .cached-tape {
      aspect-ratio: 3 / 4.3;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 0;
      padding: 18px;
      border-radius: 18px;
      border: 1px solid var(--line);
      border-left: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.44), rgba(255,255,255,.1)),
        repeating-linear-gradient(90deg, transparent 0 24px, rgba(0,0,0,.035) 24px 25px);
      color: var(--muted);
    }

    .cached-tape .mini-btn:first-child {
      min-height: 0;
      padding: 0;
    }

    .cached-tape strong {
      display: block;
      max-height: 8.4em;
      color: var(--text);
      font-family: var(--font-song);
      font-size: 23px;
      line-height: 1.3;
      letter-spacing: .14em;
      writing-mode: vertical-rl;
      overflow: hidden;
      white-space: normal;
      text-overflow: clip;
    }

    .cached-tape span {
      display: block;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.6;
    }

    .cached-tape .mini-btn {
      align-self: flex-start;
      min-width: 0;
      min-height: 28px;
      padding: 0 10px;
      background: rgba(255,255,255,.28);
    }

    .story-view {
      grid-template-columns: 1.1fr .9fr;
      gap: 38px;
      align-items: center;
    }

    .tv-frame {
      min-height: 0;
      border: 0;
      background: transparent;
      box-shadow: none;
      padding: 0;
    }

    .tv-frame::before,
    .tv-knobs {
      display: none;
    }

    .tv-content {
      min-height: 0;
      padding: 0;
      align-content: center;
    }

    .home-cover {
      gap: 22px;
    }

    .cover-label,
    .loaded-card,
    .story-kicker,
    .status-label,
    .tiny,
    .chapter-name,
    .continue-hint {
      font-family: var(--font-sans);
      letter-spacing: .18em;
    }

    .cover-title {
      font-family: var(--font-song);
      font-size: clamp(40px, 5.5vw, 72px);
      line-height: 1.05;
      font-weight: 400;
      letter-spacing: -.08em;
    }

    .cover-tagline {
      max-width: 460px;
      color: var(--muted);
      font-size: 14px;
      line-height: 2;
    }

    .loaded-card {
      margin-bottom: 26px;
      border-bottom-color: var(--line);
      color: var(--muted);
    }

    .loaded-card strong {
      font-family: var(--font-song);
      font-weight: 400;
      letter-spacing: -.04em;
    }

    .home-actions {
      display: flex;
      flex-direction: column;
      gap: 0;
      align-items: stretch;
      margin: 0 0 24px;
    }

    .home-actions .text-btn {
      display: flex;
      justify-content: space-between;
      align-items: center;
      min-height: 58px;
      padding: 0;
      border: 0;
      border-bottom: 1px solid var(--line);
      border-radius: 0;
      background: transparent;
      font-family: var(--font-song);
      font-size: 22px;
      letter-spacing: -.04em;
      text-align: left;
    }

    .home-actions .text-btn::after {
      content: "→";
      color: var(--muted);
      font-family: var(--font-sans);
      font-size: 12px;
      letter-spacing: .14em;
    }

    .home-actions .text-btn.primary {
      color: var(--text);
    }

    .record-panel {
      max-width: none;
      margin-top: 28px;
      padding-top: 28px;
      border-top-color: var(--line);
    }

    .record-panel h2,
    .modal-inner h2,
    .record-title {
      font-family: var(--font-song);
      font-weight: 400;
      letter-spacing: -.06em;
    }

    .record-list {
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
      max-height: 42vh;
    }

    .record-item,
    .setting-card,
    .ending-item {
      border-radius: 22px;
      border-color: var(--line);
      background: rgba(255,255,255,.28);
      padding: 20px;
      min-height: 126px;
    }

    body[data-color-mode="dark"] .record-item,
    body[data-color-mode="dark"] .setting-card,
    body[data-color-mode="dark"] .ending-item {
      background: rgba(255,255,255,.04);
    }

    .record-item strong,
    .ending-item strong {
      font-family: var(--font-song);
      font-size: 22px;
      font-weight: 400;
      letter-spacing: -.04em;
    }

    .unknown-mark {
      border-radius: 999px;
      min-width: 48px;
    }

    .app-shell {
      background:
        radial-gradient(circle at 80% 12%, rgba(255,255,255,.07), transparent 26%),
        #111;
      color: #eeeeea;
    }

    body[data-color-mode="light"] .app-shell {
      background:
        radial-gradient(circle at 20% 8%, rgba(255,255,255,.72), transparent 28%),
        linear-gradient(135deg, #f7f4ee 0%, #ebe5da 100%);
      color: #171717;
    }

    .topbar,
    .bottombar {
      width: min(100%, 1120px);
      border-color: rgba(255,255,255,.12);
      color: rgba(255,255,255,.42);
    }

    body[data-color-mode="light"] .topbar,
    body[data-color-mode="light"] .bottombar {
      border-color: var(--line);
      color: var(--muted);
    }

    .topbar {
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .bottombar {
      border-top: 1px solid rgba(255,255,255,.12);
    }

    .reader {
      width: min(100%, 1120px);
      padding: clamp(24px, 5vw, 68px);
    }

    .page {
      max-width: var(--reading-width);
      gap: 26px;
      max-height: min(72svh, 760px);
    }

    .text-card {
      min-height: 300px;
    }

    .speaker {
      color: rgba(255,255,255,.72);
      font-family: var(--font-sans);
      font-size: clamp(13px, 1.2vw, 15px);
      letter-spacing: .22em;
      font-weight: 650;
      margin-bottom: 24px;
      text-transform: uppercase;
    }

    body[data-color-mode="light"] .speaker {
      color: color-mix(in srgb, var(--text) 74%, var(--muted));
    }

    .story-text {
      font-family: var(--font-song);
      font-size: calc(clamp(22px, 3vw, 30px) * var(--story-font-scale));
      line-height: 2.05;
      letter-spacing: .04em;
      font-weight: 400;
    }

    .story-text.system {
      color: rgba(255,255,255,.66);
      font-style: normal;
    }

    body[data-color-mode="light"] .story-text.system {
      color: var(--soft);
    }

    .choices {
      gap: 14px;
    }

    .choice-btn {
      min-height: 66px;
      padding: 18px 22px;
      border-radius: 22px;
      border-color: rgba(255,255,255,.16);
      background: rgba(255,255,255,.035);
      color: rgba(255,255,255,.82);
      font-family: var(--font-song);
      font-size: 20px;
      line-height: 1.65;
    }

    body[data-color-mode="light"] .choice-btn {
      border-color: var(--line);
      background: rgba(255,255,255,.32);
      color: var(--text);
    }

    .choice-btn::before {
      width: auto;
      height: auto;
      margin-right: 18px;
      background: none;
      content: "→";
      font-family: var(--font-sans);
      color: var(--muted);
    }

    .scene-card {
      width: min(520px, 78vw);
      padding: clamp(32px, 5vw, 48px);
      border-radius: 30px;
      border: 1px solid rgba(255,255,255,.2);
      background: rgba(16,16,16,.72);
      color: #eee;
      backdrop-filter: blur(18px);
      text-align: center;
      box-shadow: 0 30px 80px rgba(0,0,0,.22);
    }

    body[data-color-mode="light"] .scene-card {
      border-color: rgba(20,20,20,.16);
      background: rgba(255,252,245,.84);
      color: var(--text);
      box-shadow: 0 30px 80px rgba(0,0,0,.08);
    }

    .scene-card-title {
      font-family: var(--font-song);
      font-size: clamp(34px, 5vw, 48px);
      line-height: 1.1;
      font-weight: 400;
      letter-spacing: -.06em;
    }

    .scene-card-copy {
      color: rgba(255,255,255,.62);
      text-align: center;
      font-size: 14px;
      line-height: 2;
    }

    body[data-color-mode="light"] .scene-card-copy {
      color: var(--muted);
    }

    body.scene-transitioning .app-shell,
    body.scene-transitioning .backdrop,
    body.scene-transitioning .ambient-layer,
    body.scene-transitioning .launcher {
      filter: blur(3px);
    }

    .overlay-screen {
      text-align: center;
    }

    .overlay-title {
      font-family: var(--font-song);
      font-weight: 400;
      letter-spacing: -.06em;
    }

    .overlay-sub {
      color: var(--muted);
    }

    .menu-panel {
      place-items: center;
      padding: clamp(18px, 5vw, 60px);
      background: rgba(0,0,0,.36);
      backdrop-filter: blur(18px);
    }

    .modal-inner {
      width: min(980px, 96vw);
      border-radius: 34px;
      background: color-mix(in srgb, var(--panel-solid) 92%, transparent);
      border-color: var(--line);
      box-shadow: 0 30px 80px var(--shadow);
    }

    .menu-actions {
      gap: 10px;
    }

    .mode-switch {
      border-radius: 999px;
      background: rgba(255,255,255,.24);
    }

    body[data-color-mode="dark"] .mode-switch {
      background: rgba(255,255,255,.05);
    }

    .setting-grid {
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .toast {
      border-radius: 20px;
      background: var(--panel-solid);
      color: var(--muted);
    }

    .icon-btn {
      border-radius: 999px;
      background: rgba(255,255,255,.04);
    }

    @media (max-width: 980px) {
      .launcher-inner {
        width: min(100% - 28px, 760px);
        padding: 26px 0 64px;
      }

      .library-view,
      .story-view {
        grid-template-columns: 1fr;
        min-height: auto;
      }

      .library-view .brand,
      .library-view .launcher-actions,
      .library-view .tape-library,
      .library-view .tape-deck {
        grid-column: auto;
        grid-row: auto;
        justify-self: stretch;
      }

      .library-view .launcher-actions {
        width: 100%;
      }

      .tape-deck {
        min-height: 260px;
      }

      #cacheList {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
      }

      .cached-tape {
        aspect-ratio: auto;
        min-height: 180px;
      }

      .story-view {
        gap: 28px;
      }

      .home-actions .text-btn {
        min-height: 52px;
        font-size: 19px;
      }

      .reader {
        padding: 18px;
      }

      .story-text {
        font-size: calc(22px * var(--story-font-scale));
      }

      .scene-card {
        width: min(520px, calc(100vw - 36px));
        padding: 30px 24px;
      }
    }

    /* Minimal launcher corrections and centered title overlays */
    .library-view {
      grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
      grid-template-rows: auto auto;
      align-content: center;
      gap: clamp(30px, 5vw, 72px) clamp(24px, 6vw, 96px);
    }

    .library-view,
    .story-view {
      position: relative;
    }

    .maker-credit {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      margin-top: 16px;
      padding: 7px 12px;
      border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
      border-radius: 999px;
      background: color-mix(in srgb, var(--panel-solid) 62%, transparent);
      color: var(--soft);
      font-size: 12px;
      line-height: 1;
      letter-spacing: .12em;
      opacity: .78;
      pointer-events: none;
      user-select: none;
    }

    .home-cover .maker-credit {
      margin-top: -2px;
      margin-bottom: 2px;
    }

    .developer-panel {
      max-width: 720px;
      margin-top: 16px;
      padding: 18px 20px;
      border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
      background: color-mix(in srgb, var(--panel-solid) 54%, transparent);
      color: var(--muted);
      box-shadow: 0 18px 56px color-mix(in srgb, var(--shadow) 55%, transparent);
    }

    .developer-panel.is-hidden {
      display: none;
    }

    .developer-profile p {
      margin: 0;
      max-width: none;
      font-size: 12px;
      line-height: 1.85;
      color: var(--muted);
    }

    .developer-profile .developer-name {
      display: block;
      margin-bottom: 6px;
      color: var(--text);
      font-family: var(--font-serif);
      font-size: 18px;
      font-weight: 400;
    }

    .developer-profile .developer-contact {
      display: block;
      margin-top: 8px;
      color: var(--text);
    }

    .developer-library-panel {
      position: fixed;
      left: 50vw;
      top: 50svh;
      z-index: 52;
      width: min(760px, calc(100vw - 36px));
      max-height: min(78svh, 720px);
      margin: 0;
      padding: clamp(18px, 3vw, 28px);
      border: 1px solid var(--line);
      border-left: 4px solid var(--accent);
      background: color-mix(in srgb, var(--panel-solid) 95%, transparent);
      box-shadow: 0 24px 80px var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
      overflow: auto;
      transform: translate(-50%, -50%);
      backdrop-filter: blur(18px);
      animation: modalSettle 320ms var(--ease) both;
    }

    .library-view .developer-panel.is-hidden {
      display: none;
    }

    body.home-modal-open .launcher-inner {
      filter: blur(1.2px);
      transition: filter 280ms var(--ease);
    }

    body.home-modal-open .launcher::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 50;
      background: rgba(10, 10, 10, .10);
      backdrop-filter: none;
      pointer-events: auto;
    }

    body[data-color-mode="light"].home-modal-open .launcher::before {
      background: rgba(244, 239, 229, .18);
    }

    .powered-inline {
      display: inline-flex;
      align-items: center;
      margin: 0 8px;
      padding: 4px 9px;
      border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
      border-radius: 999px;
      background: color-mix(in srgb, var(--panel-solid) 58%, transparent);
      color: var(--text);
      font-size: 11px;
      line-height: 1;
      letter-spacing: .1em;
      vertical-align: middle;
    }

    .library-view .tape-deck {
      display: none;
    }

    .library-view .brand {
      grid-column: 1;
      align-self: center;
      padding: 0;
      border: 0;
    }

    .brand h1 {
      max-width: 860px;
      font-size: clamp(48px, 9vw, 118px);
      line-height: 1.02;
      letter-spacing: -.08em;
    }

    .brand p {
      max-width: 620px;
      margin-top: clamp(18px, 3vw, 30px);
      font-size: clamp(14px, 1.4vw, 16px);
    }

    .library-view .launcher-actions {
      grid-column: 2;
      align-self: center;
      justify-self: stretch;
      width: 100%;
      padding: 0;
      border: 0;
    }

    .library-view .tape-library {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 16px 18px;
      margin: 0;
      padding-top: 22px;
      border-top: 1px solid var(--line);
    }

    .tape-library-title {
      align-self: center;
      font-size: 12px;
      letter-spacing: .22em;
    }

    #cacheList {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: 1fr;
      gap: 0;
      border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
    }

    #cacheList .record-item {
      min-height: 68px;
      border: 0;
      border-bottom: 1px solid var(--line);
      border-radius: 0;
      background: transparent;
      padding: 20px 0;
      color: var(--muted);
    }

    .cached-tape {
      aspect-ratio: auto;
      min-height: 74px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 14px;
      padding: 14px 0;
      border: 0;
      border-bottom: 1px solid var(--line);
      border-radius: 0;
      background: transparent;
      color: var(--muted);
    }

    .cached-tape .mini-btn:first-child {
      min-height: 46px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      justify-items: start;
      gap: 16px;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: transparent;
      text-align: left;
    }

    .cached-tape strong {
      max-height: none;
      writing-mode: horizontal-tb;
      color: var(--text);
      font-size: clamp(20px, 2.4vw, 28px);
      line-height: 1.2;
      letter-spacing: -.04em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .cached-tape span {
      font-size: 12px;
      line-height: 1.6;
      text-align: right;
      white-space: nowrap;
    }

    .cached-tape .mini-btn {
      min-height: 34px;
      align-self: center;
      justify-self: end;
      padding: 0 12px;
      border-radius: 999px;
      background: transparent;
    }

    .overlay-screen {
      place-items: center;
      align-content: center;
      justify-items: center;
      overflow: hidden;
      padding: clamp(24px, 6vw, 72px);
      text-align: center;
    }

    .overlay-screen > div {
      width: min(760px, calc(100vw - 48px));
      display: grid;
      justify-items: center;
      gap: clamp(14px, 2.4vw, 24px);
      transform: translateY(-2svh);
    }

    .overlay-title {
      max-width: 760px;
      margin: 0;
      font-size: clamp(38px, 7vw, 84px);
      line-height: 1.08;
      letter-spacing: -.06em;
    }

    .overlay-sub {
      margin: 0;
      max-width: 620px;
      font-size: clamp(14px, 1.7vw, 18px);
      line-height: 1.9;
    }

    body.ending-reading .reader {
      align-items: center;
      padding: clamp(28px, 6vw, 76px);
    }

    body.ending-reading .page {
      max-width: min(760px, 88vw);
      max-height: none;
      min-height: min(560px, calc(100svh - 190px));
      align-content: center;
      justify-items: center;
      gap: clamp(18px, 3vw, 30px);
      text-align: center;
    }

    body.ending-reading .chapter-name {
      min-height: auto;
      text-align: center;
      font-size: 12px;
      letter-spacing: .34em;
    }

    body.ending-reading .speaker {
      display: block;
      margin: 0;
      color: var(--text);
      font-family: var(--font-song);
      font-size: clamp(44px, 8vw, 86px);
      line-height: 1.05;
      font-weight: 400;
      letter-spacing: -.08em;
      text-align: center;
    }

    body[data-color-mode="dark"].ending-reading .speaker {
      color: #eeeeea;
    }

    body.ending-reading .text-card {
      min-height: 0;
      max-height: none;
      overflow: visible;
      padding: 0;
      text-align: center;
    }

    body.ending-reading .text-card.is-visible {
      display: grid;
      gap: clamp(18px, 3vw, 32px);
    }

    body.ending-reading .story-text {
      max-width: 720px;
      margin: 0 auto;
      color: var(--soft);
      font-family: var(--font-sans);
      font-size: calc(clamp(16px, 2vw, 20px) * var(--story-font-scale));
      line-height: 2.05;
      letter-spacing: 0;
      font-style: normal;
    }

    body.ending-reading .choices {
      width: auto;
      min-width: 0;
      justify-self: center;
      margin-top: clamp(4px, 1.2vw, 14px);
    }

    body.ending-reading .choice-btn {
      width: auto;
      min-width: 108px;
      min-height: 46px;
      padding: 0 24px;
      border-radius: 999px;
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1;
      text-align: center;
    }

    body.ending-reading .choice-btn::before {
      content: none;
    }

    body.ending-reading .continue-hint {
      display: none;
    }

    @media (max-width: 980px) {
      .library-view {
        grid-template-columns: 1fr;
        align-content: start;
      }

      .library-view .brand,
      .library-view .launcher-actions,
      .library-view .tape-library {
        grid-column: 1;
      }

      .brand h1 {
        font-size: clamp(42px, 15vw, 78px);
      }

      .cached-tape .mini-btn:first-child {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .cached-tape span {
        text-align: left;
        white-space: normal;
      }

      .overlay-screen > div {
        transform: translateY(0);
      }

      body.ending-reading .page {
        min-height: min(520px, calc(100svh - 150px));
      }

      .maker-credit {
        justify-self: start;
      }
    }

    /* Atmosphere and effect layer: light/dark only */
    body[data-color-mode="light"] {
      color-scheme: light;
      --bg-0: #f2eee6;
      --bg-1: #ece7dd;
      --bg-2: #dedbd4;
      --text: #161616;
      --muted: rgba(20, 20, 20, .52);
      --soft: rgba(20, 20, 20, .66);
      --line: rgba(20, 20, 20, .13);
      --panel: rgba(255, 252, 244, .66);
      --panel-solid: rgba(255, 252, 244, .94);
      --accent: #383838;
      --effect-mist: rgba(0, 0, 0, .08);
      --effect-paper: rgba(255, 255, 255, .34);
      --shadow: rgba(0, 0, 0, .09);
      --vignette: rgba(80, 64, 42, .12);
    }

    body[data-color-mode="dark"] {
      color-scheme: dark;
      --bg-0: #0f0f0f;
      --bg-1: #141414;
      --bg-2: #1b1b1b;
      --text: #eeeeee;
      --muted: rgba(255, 255, 255, .46);
      --soft: rgba(255, 255, 255, .68);
      --line: rgba(255, 255, 255, .13);
      --panel: rgba(22, 22, 22, .72);
      --panel-solid: rgba(18, 18, 18, .94);
      --accent: #d6d6d6;
      --effect-mist: rgba(255, 255, 255, .08);
      --effect-paper: rgba(255, 255, 255, .04);
      --shadow: rgba(0, 0, 0, .28);
      --vignette: rgba(0, 0, 0, .52);
    }

    .mode-switch [data-color-mode-choice="theme"] {
      display: none;
    }

    .app-shell::before,
    .app-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      pointer-events: none;
    }

    .app-shell::before {
      background:
        linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent), transparent 94%), transparent),
        repeating-linear-gradient(90deg, transparent 0 22px, rgba(0,0,0,.025) 22px 23px);
      opacity: .5;
    }

    body[data-color-mode="dark"] .app-shell::before {
      background:
        linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent), transparent 95%), transparent),
        repeating-linear-gradient(90deg, transparent 0 22px, rgba(255,255,255,.018) 22px 23px);
    }

    .ambient-layer {
      z-index: -1;
      opacity: 0;
      transition: opacity 700ms var(--ease);
    }

    body[data-ambient="rain"] .ambient-layer,
    body[data-ambient="wind"] .ambient-layer,
    body[data-ambient="tide"] .ambient-layer,
    body[data-ambient="sea"] .ambient-layer,
    body[data-ambient="heat"] .ambient-layer,
    body[data-ambient="static"] .ambient-layer {
      opacity: 1;
    }

    body[data-ambient="rain"] .ambient-layer {
      background-image:
        repeating-linear-gradient(105deg, transparent 0 9px, color-mix(in srgb, var(--accent), white 52%) 10px 11px, transparent 12px 21px),
        linear-gradient(180deg, transparent, color-mix(in srgb, var(--accent), transparent 86%));
      opacity: .24;
      animation: atmoRain 1.05s linear infinite;
    }

    body[data-ambient="wind"] .ambient-layer {
      background:
        repeating-linear-gradient(170deg, transparent 0 30px, color-mix(in srgb, var(--accent), white 65%) 31px 32px, transparent 33px 78px),
        radial-gradient(ellipse at 0% 50%, var(--effect-mist), transparent 42%),
        linear-gradient(90deg, transparent, var(--effect-mist), transparent);
      opacity: .24;
      animation: atmoWind 4.5s ease-in-out infinite;
    }

    body[data-ambient="tide"] .ambient-layer,
    body[data-ambient="sea"] .ambient-layer {
      background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='320' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.28)' d='M0,160 C120,96 240,224 360,160 C480,96 600,224 720,160 C840,96 960,224 1080,160 C1200,96 1320,224 1440,160 L1440,320 L0,320 Z'/%3E%3C/svg%3E") 0 68% / 760px 190px repeat-x,
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='320' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.16)' d='M0,190 C160,120 260,250 420,180 C580,110 700,250 860,180 C1020,110 1140,250 1300,180 C1360,154 1400,154 1440,170 L1440,320 L0,320 Z'/%3E%3C/svg%3E") 0 76% / 900px 210px repeat-x,
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='320' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.10)' d='M0,220 C180,150 300,280 480,210 C660,140 780,280 960,210 C1140,140 1260,280 1440,210 L1440,320 L0,320 Z'/%3E%3C/svg%3E") 0 86% / 1040px 230px repeat-x,
        radial-gradient(ellipse at 50% 100%, color-mix(in srgb, var(--accent), transparent 58%) 0%, transparent 62%),
        linear-gradient(180deg, transparent 0%, transparent 42%, color-mix(in srgb, var(--accent), transparent 92%) 58%, color-mix(in srgb, var(--accent), transparent 66%) 100%);
      opacity: .66;
      mix-blend-mode: screen;
      filter: blur(.15px);
      animation: atmoWaveFront 7.2s ease-in-out infinite;
    }

    body[data-color-mode="light"][data-ambient="tide"] .ambient-layer,
    body[data-color-mode="light"][data-ambient="sea"] .ambient-layer {
      mix-blend-mode: multiply;
      opacity: .28;
    }

    body[data-ambient="heat"] .ambient-layer {
      background:
        radial-gradient(circle at 50% 120%, color-mix(in srgb, var(--accent), transparent 56%) 0%, transparent 54%),
        repeating-linear-gradient(90deg, transparent 0 14px, color-mix(in srgb, var(--accent), transparent 80%) 15px 18px, transparent 19px 34px),
        repeating-linear-gradient(180deg, transparent 0 26px, rgba(255,255,255,.05) 27px 30px, transparent 31px 58px);
      opacity: .5;
      filter: blur(8px) saturate(1.12);
      animation: atmoHeatShimmer 3.2s ease-in-out infinite;
    }

    body[data-ambient="static"] .ambient-layer {
      background:
        repeating-linear-gradient(0deg, rgba(255,255,255,.00) 0 3px, rgba(255,255,255,.075) 4px 5px, rgba(0,0,0,.00) 6px 8px),
        radial-gradient(rgba(255,255,255,.36) .8px, transparent .9px),
        radial-gradient(color-mix(in srgb, var(--accent), white 28%) .7px, transparent .85px),
        linear-gradient(90deg, transparent 58%, color-mix(in srgb, var(--accent), white 32%) 60%, transparent 63%);
      background-size: auto, 6px 6px, 11px 11px, auto;
      opacity: .2;
      mix-blend-mode: screen;
      animation: atmoStaticNoise .22s steps(2) infinite, atmoScanDrift 1.2s linear infinite;
    }

    body[data-ambient="tide"] .text-card,
    body[data-ambient="sea"] .text-card,
    body[data-ambient="heat"] .text-card {
      position: relative;
    }

    body[data-ambient="tide"] .text-card::after,
    body[data-ambient="sea"] .text-card::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 24%;
      pointer-events: none;
      background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='180' viewBox='0 0 900 180'%3E%3Cpath fill='rgba(255,255,255,0.13)' d='M0,70 C90,35 180,105 270,70 C360,35 450,105 540,70 C630,35 720,105 810,70 C850,55 880,55 900,65 L900,180 L0,180 Z'/%3E%3C/svg%3E") 0 100% / 420px 90px repeat-x,
        linear-gradient(180deg, transparent 0%, rgba(255,255,255,.025) 26%, color-mix(in srgb, var(--accent), transparent 82%) 100%);
      opacity: .74;
      animation: atmoCardWave 5.6s ease-in-out infinite;
    }

    body[data-ambient="heat"] .text-card,
    body[data-ambient="heat"] .scene-card,
    body[data-ambient="heat"] .choice-btn {
      box-shadow:
        0 0 38px color-mix(in srgb, var(--accent), transparent 84%),
        inset 0 1px 0 rgba(255,255,255,.08);
      animation: atmoHeatDistort 3.4s ease-in-out infinite;
    }

    body.fx-shake .app-shell {
      animation: fx2StageShake .34s steps(2) infinite;
    }

    body.fx-blur .reader {
      filter: blur(2.4px);
    }

    body.fx-blur .topbar,
    body.fx-blur .bottombar {
      filter: blur(.8px);
    }

    body.fx-noise::after,
    body.fx-flash::after,
    body.fx-blackout::after,
    body.fx-glitch::after,
    body.fx-drown::after,
    body.fx-heatwave::after,
    body.fx-heat::after,
    body.fx-cold::after,
    body.fx-red::after,
    body.fx-blood::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 14;
      pointer-events: none;
    }

    body.fx-noise::after {
      background:
        radial-gradient(rgba(255,255,255,.55) .75px, transparent .8px),
        radial-gradient(color-mix(in srgb, var(--accent), white 30%) .6px, transparent .7px),
        repeating-linear-gradient(0deg, transparent 0 5px, rgba(255,255,255,.05) 6px 7px);
      background-size: 4px 4px, 9px 9px, auto;
      mix-blend-mode: screen;
      opacity: .22;
      animation: fx2Noise .18s steps(2) infinite;
    }

    body.fx-flash::after {
      background: rgba(255,255,255,.92);
      opacity: 0;
      animation: fx2Flash 1.8s ease-in-out infinite;
    }

    body.fx-blackout::after {
      background: #000;
      opacity: 0;
      animation: fx2Blackout 2.7s ease-in-out infinite;
    }

    body.fx-silence .app-shell {
      filter: saturate(.18) contrast(.82) brightness(.88);
    }

    body.fx-silence .story-text,
    body.fx-silence .scene-card-copy,
    body.fx-silence .choice-btn {
      opacity: .58;
    }

    body.fx-heartbeat .text-card,
    body.fx-pulse .text-card {
      box-shadow:
        0 0 0 1px color-mix(in srgb, var(--accent), transparent 72%),
        0 0 52px color-mix(in srgb, var(--accent), transparent 76%),
        inset 0 1px 0 rgba(255,255,255,.08);
      animation: fx2Heartbeat 1.24s ease-in-out infinite !important;
    }

    body.fx-heartbeat .story-text,
    body.fx-pulse .story-text {
      animation: fx2TextPulse 1.24s ease-in-out infinite;
    }

    body.fx-breath .text-card,
    body.fx-breath .scene-card,
    body.fx-breath .choice-btn {
      animation: fx2Breath 4.4s ease-in-out infinite !important;
    }

    body.fx-glitch .reader {
      animation: fx2GlitchBlock .75s steps(2) infinite;
    }

    body.fx-glitch .story-text,
    body.fx-glitch .speaker,
    body.fx-glitch .scene-card-title {
      animation: fx2GlitchText .7s steps(2) infinite;
    }

    body.fx-glitch::after {
      background:
        linear-gradient(90deg, rgba(255,0,0,.12), transparent 18%, rgba(0,200,255,.12) 28%, transparent 45%),
        repeating-linear-gradient(0deg, transparent 0 12px, rgba(255,255,255,.055) 13px 14px);
      opacity: .22;
      mix-blend-mode: screen;
      animation: fx2GlitchOverlay .5s steps(3) infinite;
    }

    body.fx-drown::after {
      background:
        linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--accent), #0b302d 45%) 82%, color-mix(in srgb, var(--accent), #061b1b 25%) 120%),
        radial-gradient(circle at 50% 110%, rgba(42, 126, 148, .35), transparent 52%);
      opacity: .6;
      animation: fx2Drown 4.2s ease-in-out infinite;
    }

    body.fx-heatwave .reader,
    body.fx-heat .reader {
      animation: fx2HeatWave 2.8s ease-in-out infinite;
      filter: blur(.18px) saturate(1.12);
    }

    body.fx-heatwave::after,
    body.fx-heat::after {
      background:
        repeating-linear-gradient(90deg, transparent 0 18px, color-mix(in srgb, var(--accent), transparent 80%) 19px 22px, transparent 23px 42px),
        radial-gradient(circle at 50% 110%, color-mix(in srgb, var(--accent), transparent 70%), transparent 42%);
      filter: blur(7px);
      opacity: .34;
      animation: fx2HeatOverlay 3.1s ease-in-out infinite;
    }

    body.fx-cold .app-shell {
      box-shadow: inset 0 0 150px color-mix(in srgb, #9ccfff, transparent 54%);
    }

    body.fx-cold .text-card,
    body.fx-cold .scene-card,
    body.fx-cold .choice-btn {
      border-color: color-mix(in srgb, #9ccfff, transparent 38%);
      box-shadow:
        0 0 36px color-mix(in srgb, #9ccfff, transparent 80%),
        inset 0 1px 0 rgba(255,255,255,.08);
    }

    body.fx-cold::after {
      background:
        radial-gradient(circle at 20% 15%, rgba(180,225,255,.18), transparent 24%),
        radial-gradient(circle at 80% 70%, rgba(180,225,255,.12), transparent 28%);
      opacity: .8;
      mix-blend-mode: screen;
    }

    body.fx-red .app-shell,
    body.fx-blood .app-shell {
      box-shadow: inset 0 0 160px rgba(160, 20, 16, .42);
    }

    body.fx-red .story-text,
    body.fx-red .speaker,
    body.fx-blood .story-text,
    body.fx-blood .speaker {
      color: color-mix(in srgb, var(--text), #e43b2f 34%);
    }

    body.fx-red::after,
    body.fx-blood::after {
      background:
        radial-gradient(circle at 50% 50%, transparent 28%, rgba(120,0,0,.34) 100%),
        linear-gradient(180deg, rgba(180,20,20,.12), transparent 42%, rgba(120,0,0,.16));
      opacity: .76;
      mix-blend-mode: multiply;
    }

    @keyframes atmoRain {
      from { background-position: 0 0, 0 0; }
      to { background-position: 0 130px, 0 0; }
    }

    @keyframes atmoWind {
      0%, 100% { transform: translateX(-22px); opacity: .14; }
      50% { transform: translateX(28px); opacity: .3; }
    }

    @keyframes atmoWaveFront {
      0%, 100% {
        transform: translateY(10px);
        background-position: 0 68%, 0 76%, 0 86%, center bottom, 0 0;
      }
      50% {
        transform: translateY(-8px);
        background-position: -190px 66%, 130px 78%, -260px 84%, center bottom, 0 0;
      }
    }

    @keyframes atmoCardWave {
      0%, 100% { background-position: 0 100%, 0 0; }
      50% { background-position: -140px 96%, 0 0; }
    }

    @keyframes atmoHeatShimmer {
      0%, 100% { transform: translateX(-4px) skewX(-0.6deg); }
      50% { transform: translateX(6px) skewX(0.8deg); }
    }

    @keyframes atmoHeatDistort {
      0%, 100% { transform: skewX(0deg) scale(1); filter: blur(0); }
      50% { transform: skewX(.35deg) scale(1.003); filter: blur(.25px); }
    }

    @keyframes atmoStaticNoise {
      0% { transform: translate(0,0); }
      50% { transform: translate(2px,-2px); }
      100% { transform: translate(-2px,1px); }
    }

    @keyframes atmoScanDrift {
      from { background-position: 0 0, 0 0, 0 0, 0 0; }
      to { background-position: 0 12px, 2px -1px, -2px 1px, 0 0; }
    }

    @keyframes fx2StageShake {
      0%, 100% { transform: translate(0,0) rotate(0deg); }
      20% { transform: translate(-4px,2px) rotate(-.08deg); }
      40% { transform: translate(4px,-2px) rotate(.08deg); }
      60% { transform: translate(-2px,-2px) rotate(-.05deg); }
      80% { transform: translate(2px,2px) rotate(.05deg); }
    }

    @keyframes fx2Noise {
      0% { transform: translate(0,0); }
      50% { transform: translate(3px,-2px); }
      100% { transform: translate(-2px,2px); }
    }

    @keyframes fx2Flash {
      0%, 78%, 100% { opacity: 0; }
      82% { opacity: .95; }
      86% { opacity: .08; }
      90% { opacity: .42; }
    }

    @keyframes fx2Blackout {
      0%, 50%, 100% { opacity: 0; }
      62%, 82% { opacity: .82; }
    }

    @keyframes fx2Heartbeat {
      0%, 100% { transform: scale(1); }
      10% { transform: scale(1.018); }
      20% { transform: scale(.998); }
      31% { transform: scale(1.026); }
      44% { transform: scale(1); }
    }

    @keyframes fx2TextPulse {
      0%, 100% { opacity: 1; }
      18% { opacity: .76; }
      32% { opacity: 1; }
    }

    @keyframes fx2Breath {
      0%, 100% { transform: scale(1); opacity: .9; }
      50% { transform: scale(1.022); opacity: 1; }
    }

    @keyframes fx2GlitchBlock {
      0%, 100% { transform: translate(0,0); }
      25% { transform: translate(1.5px,-1px); }
      50% { transform: translate(-1px,1px); }
      75% { transform: translate(.5px,.5px); }
    }

    @keyframes fx2GlitchText {
      0%, 100% { transform: translate(0,0); text-shadow: none; opacity: 1; }
      20% { transform: translate(-1px,1px); text-shadow: 2px 0 rgba(255,0,0,.34), -2px 0 rgba(0,180,255,.28); }
      42% { opacity: .58; }
      46% { opacity: 1; }
      60% { transform: translate(1px,-1px); text-shadow: -2px 0 rgba(255,0,0,.22), 2px 0 rgba(0,180,255,.24); }
    }

    @keyframes fx2GlitchOverlay {
      0% { transform: translateX(-8px); opacity: .12; }
      50% { transform: translateX(8px); opacity: .28; }
      100% { transform: translateX(-3px); opacity: .18; }
    }

    @keyframes fx2Drown {
      0%, 100% { transform: translateY(34px); opacity: .36; }
      50% { transform: translateY(-10px); opacity: .72; }
    }

    @keyframes fx2HeatWave {
      0%, 100% { transform: skewX(0deg) scale(1); }
      50% { transform: skewX(.6deg) scale(1.004); }
    }

    @keyframes fx2HeatOverlay {
      0%, 100% { transform: translateX(-8px) skewX(-.6deg); }
      50% { transform: translateX(8px) skewX(.8deg); }
    }

    /* Keep atmosphere full-screen; avoid local boxed effects inside the reader. */
    body[data-ambient="tide"] .text-card::after,
    body[data-ambient="sea"] .text-card::after {
      display: none;
    }

    body[data-ambient="heat"] .text-card,
    body[data-ambient="heat"] .scene-card,
    body[data-ambient="heat"] .choice-btn {
      box-shadow: none;
      animation: none;
    }

    .overlay-screen > div {
      border: 0;
      background: transparent;
      box-shadow: none;
    }

    /* Scene transition cards must stay viewport-centered and never inherit node FX transforms. */
    .scene-card,
    body[data-ambient="heat"] .scene-card,
    body.fx-breath .scene-card,
    body.fx-cold .scene-card {
      position: fixed !important;
      inset: auto !important;
      left: 50vw !important;
      top: 50svh !important;
      margin: 0 !important;
      max-height: min(72svh, 680px);
      overflow: auto;
      transform: translate3d(-50%, -50%, 0) !important;
      animation: none !important;
      transform-origin: center center !important;
    }

    .scene-card.is-hidden {
      transform: translate3d(-50%, -50%, 0) !important;
    }

    .dev-toggle {
      position: fixed;
      left: 20px;
      top: 20px;
      z-index: 90;
      min-width: 54px;
      height: 38px;
      border: 1px solid var(--line);
      color: var(--text);
      background: color-mix(in srgb, var(--panel-solid) 88%, transparent);
      box-shadow: 0 18px 54px var(--shadow);
      font-family: var(--font-sans);
      font-size: 12px;
      font-weight: 750;
      letter-spacing: .14em;
      backdrop-filter: blur(18px);
    }

    .dev-tools {
      position: fixed;
      left: 20px;
      top: 70px;
      z-index: 89;
      width: min(390px, calc(100vw - 40px));
      max-height: min(80svh, 760px);
      overflow: hidden;
      display: grid;
      grid-template-rows: auto auto 1fr;
      padding: 16px;
      border: 1px solid var(--line);
      color: var(--text);
      background: color-mix(in srgb, var(--panel-solid) 94%, transparent);
      box-shadow: 0 30px 90px var(--shadow);
      backdrop-filter: blur(22px);
    }

    .dev-tools.is-hidden {
      display: none;
    }

    .dev-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: flex-start;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
      margin-bottom: 12px;
    }

    .dev-head strong {
      display: block;
      margin-bottom: 4px;
      font-family: var(--font-serif);
      font-size: 22px;
      font-weight: 400;
      letter-spacing: .02em;
    }

    .dev-head span,
    .dev-muted {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.6;
    }

    .dev-tabs {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 6px;
      margin-bottom: 12px;
    }

    .dev-tab {
      min-width: 0;
      border: 1px solid var(--line);
      color: var(--muted);
      background: transparent;
      padding: 8px 6px;
      font-size: 11px;
      line-height: 1.2;
    }

    .dev-tab.is-active {
      color: var(--panel-solid);
      background: var(--text);
      border-color: var(--text);
    }

    .dev-workspace {
      overflow: auto;
      padding-right: 2px;
    }

    .dev-panel {
      display: none;
    }

    .dev-panel.is-active {
      display: block;
    }

    .dev-section {
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }

    .dev-section:first-child {
      padding-top: 0;
    }

    .dev-section:last-child {
      border-bottom: 0;
    }

    .dev-section h3 {
      margin: 0 0 10px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 500;
      letter-spacing: .18em;
      text-transform: uppercase;
    }

    .dev-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

    .dev-field {
      display: grid;
      gap: 5px;
      margin-bottom: 8px;
    }

    .dev-field label {
      color: var(--muted);
      font-size: 12px;
    }

    .dev-field input,
    .dev-field select,
    .dev-field textarea {
      width: 100%;
      border: 1px solid var(--line);
      color: var(--text);
      background: color-mix(in srgb, var(--panel) 70%, transparent);
      padding: 9px 10px;
      font: 12px/1.5 var(--font-sans);
      outline: none;
    }

    .dev-field textarea {
      min-height: 74px;
      resize: vertical;
      font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    }

    .dev-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 10px;
    }

    .dev-btn {
      border: 1px solid var(--line);
      color: var(--text);
      background: transparent;
      padding: 8px 10px;
      font-size: 12px;
      line-height: 1.2;
    }

    .dev-btn.subtle {
      color: var(--muted);
    }

    .dev-btn.primary {
      color: var(--panel-solid);
      background: var(--text);
      border-color: var(--text);
    }

    .dev-list {
      display: grid;
      gap: 8px;
      max-height: 340px;
      overflow: auto;
    }

    .dev-list.short {
      max-height: 210px;
    }

    .dev-inline-entries {
      display: grid;
      gap: 8px;
      margin-top: 8px;
      padding-top: 8px;
      border-top: 1px solid var(--line);
    }

    .dev-row {
      display: grid;
      gap: 6px;
      padding: 10px;
      border: 1px solid var(--line);
      background: color-mix(in srgb, var(--panel) 66%, transparent);
    }

    .dev-row.is-quiet {
      background: transparent;
    }

    .dev-row strong {
      font-size: 13px;
      line-height: 1.35;
    }

    .dev-row span {
      color: var(--muted);
      font-size: 11px;
      line-height: 1.5;
      word-break: break-all;
    }

    /* Home option popovers: keep record/developer panels as centered modal cards. */
    .record-panel.is-visible,
    .developer-library-panel:not(.is-hidden) {
      position: fixed;
      inset: auto;
      left: 50vw;
      top: 50svh;
      z-index: 52;
      display: block;
      width: min(760px, calc(100vw - 36px));
      max-width: min(760px, calc(100vw - 36px));
      max-height: min(78svh, 720px);
      margin: 0;
      padding: clamp(18px, 3vw, 28px);
      border: 1px solid var(--line);
      border-left: 4px solid var(--accent);
      background: color-mix(in srgb, var(--panel-solid) 95%, transparent);
      box-shadow: 0 24px 80px var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
      overflow: hidden;
      transform: translate(-50%, -50%);
      backdrop-filter: blur(18px);
      animation: modalSettle 320ms var(--ease) both;
    }

    .developer-library-panel:not(.is-hidden) {
      overflow: auto;
    }

    .record-panel.is-visible {
      padding-top: clamp(18px, 3vw, 28px);
      border-top-color: var(--line);
    }

    .record-panel.is-visible {
      inset: auto !important;
      left: 50vw !important;
      top: 50svh !important;
      margin: 0 !important;
      transform: translate3d(-50%, -50%, 0) !important;
      transform-origin: center center !important;
    }

    .choice-stat-count {
      display: block;
      margin-top: 8px;
      color: var(--muted);
      font-family: var(--font-sans);
      font-size: 11px;
      letter-spacing: .12em;
    }

    @media (max-width: 720px) {
      .dev-tools {
        left: 12px;
        top: 58px;
        width: calc(100vw - 24px);
      }

      .dev-toggle {
        left: 12px;
        top: 12px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 1ms !important;
      }
    }
  
.dev-toggle { display: none !important; }