:root {
      --bg-0: #dce8f5;
      --bg-1: #b8d0ea;
      --bg-2: #88b4de;
      --panel: rgba(248, 251, 255, 0.9);
      --panel-border: rgba(164, 128, 41, 0.38);
      --text: #102033;
      --muted: #456179;
      --accent: #a77a1c;
      --danger: #ff6f6d;
      --success: #69e7cd;
      --warning: #d8ad4d;
      --shadow: 0 24px 56px rgba(34, 57, 83, 0.18);
      --attack: #d96d58;
      --defend: #4d8fd8;
      --charge: #d5a236;
      --heavy: #9b78c8;
      --predict: #4eb7a6;
      --feint: #c97c52;
      --scene-fog: #dce8f5;
      --scene-ambient: #e7f3ff;
      --scene-key: #ffffff;
      --scene-fill: #e0be72;
      --scene-floor: #99b9d8;
      --scene-floor-emissive: #6d88a7;
      --scene-ring: #d0af57;
    }

    body[data-theme="dark"] {
      --bg-0: #04060b;
      --bg-1: #09111b;
      --bg-2: #102437;
      --panel: rgba(7, 15, 25, 0.9);
      --panel-border: rgba(104, 214, 255, 0.14);
      --text: #f2f8ff;
      --muted: #8b9eb7;
      --accent: #63dcff;
      --danger: #ff6f6d;
      --success: #69e7cd;
      --warning: #ffca5f;
      --shadow: 0 22px 56px rgba(0, 0, 0, 0.42);
      --attack: #ff6a5f;
      --defend: #50bfff;
      --charge: #ffbf38;
      --heavy: #d38cff;
      --predict: #51e6cf;
      --feint: #ff9852;
      --scene-fog: #04060b;
      --scene-ambient: #7fd8ff;
      --scene-key: #f6fbff;
      --scene-fill: #ff9a52;
      --scene-floor: #21344b;
      --scene-floor-emissive: #132131;
      --scene-ring: #63dcff;
    }

    body[data-theme="dark"] {
      background:
        radial-gradient(circle at 50% -8%, rgba(99, 220, 255, 0.16), transparent 28%),
        radial-gradient(circle at 82% 92%, rgba(255, 152, 82, 0.09), transparent 20%),
        radial-gradient(circle at 16% 78%, rgba(81, 230, 207, 0.06), transparent 18%),
        linear-gradient(180deg, var(--bg-1), var(--bg-0) 46%, #020409 100%);
    }

    body[data-theme="dark"]::before {
      opacity: 0.34;
    }

    * {
      box-sizing: border-box;
    }

    html, body {
      margin: 0;
      min-height: 100%;
      background:
        radial-gradient(circle at 50% -10%, rgba(255, 255, 255, 0.95), transparent 34%),
        radial-gradient(circle at 84% 18%, rgba(255, 225, 163, 0.28), transparent 20%),
        radial-gradient(circle at 12% 84%, rgba(129, 176, 223, 0.24), transparent 22%),
        linear-gradient(180deg, #d5e5f5, var(--bg-1) 38%, var(--bg-0) 100%);
      color: var(--text);
      font-family: "Trebuchet MS", "Segoe UI", sans-serif;
      overflow: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      background:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: radial-gradient(circle at center, black 38%, transparent 88%);
      pointer-events: none;
      opacity: 0.08;
    }

    #app {
      position: relative;
      width: 100vw;
      height: 100vh;
      overflow: hidden;
    }

    .load-error {
      min-height: 100vh;
      display: grid;
      place-items: center;
      padding: 24px;
      color: var(--text);
      font: 700 18px/1.4 Inter, ui-sans-serif, system-ui, sans-serif;
      text-align: center;
    }

    #scene {
      position: absolute;
      inset: 0;
    }

    .landing-shell {
      position: absolute;
      inset: 0;
      z-index: 4;
      display: grid;
      place-items: center;
      padding: clamp(20px, 3vw, 40px);
      pointer-events: none;
      opacity: 0;
      visibility: hidden;
      transition: opacity 220ms ease, visibility 0s linear 220ms;
    }

    body.landing-open .landing-shell {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transition: opacity 220ms ease;
    }

    .landing-wrap {
      width: min(1180px, 100%);
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
      gap: clamp(18px, 2vw, 26px);
      align-items: stretch;
    }

    .landing-card {
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at top right, rgba(255,255,255,0.32), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,0.68), rgba(255,255,255,0.32)),
        var(--panel);
      border: 1px solid var(--panel-border);
      border-radius: 28px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }

    body[data-theme="dark"] .landing-card {
      background:
        radial-gradient(circle at top right, rgba(99,220,255,0.14), transparent 34%),
        linear-gradient(180deg, rgba(135,223,255,0.08), rgba(255,255,255,0.02)),
        var(--panel);
    }

    .landing-hero {
      padding: clamp(24px, 3vw, 40px);
      display: grid;
      gap: 18px;
      min-height: min(78vh, 720px);
    }

    .landing-hero::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(167,122,28,0.18), transparent 68%);
      pointer-events: none;
    }

    .landing-kicker {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(16,32,51,0.1);
      background: rgba(255,255,255,0.44);
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent);
    }

    body[data-theme="dark"] .landing-kicker {
      border-color: rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.06);
    }

    .landing-headline {
      display: grid;
      gap: 12px;
      max-width: 12ch;
    }

    .landing-headline h2 {
      margin: 0;
      font-size: clamp(44px, 7vw, 92px);
      line-height: 0.9;
      letter-spacing: -0.04em;
    }

    .landing-headline p {
      margin: 0;
      max-width: 50ch;
      font-size: clamp(16px, 1.5vw, 20px);
      line-height: 1.5;
      color: var(--muted);
    }

    .landing-cta {
      display: grid;
      gap: 12px;
      pointer-events: auto;
    }

    .mode-group {
      display: grid;
      gap: 10px;
    }

    .mode-label {
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .mode-options {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .name-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 10px;
    }

    .name-field {
      display: grid;
      gap: 6px;
    }

    .name-field span {
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .name-field input {
      width: 100%;
      box-sizing: border-box;
      border: 1px solid rgba(16,32,51,0.12);
      border-radius: 14px;
      padding: 12px 14px;
      background: rgba(255,255,255,0.36);
      color: var(--text);
      font: inherit;
      outline: none;
    }

    body[data-theme="dark"] .name-field input {
      border-color: rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.06);
    }

    .name-field input:focus {
      border-color: var(--accent);
    }

    .landing-btn,
    .landing-link {
      appearance: none;
      border: 0;
      border-radius: 16px;
      padding: 14px 18px;
      font: inherit;
      cursor: pointer;
      transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
    }

    .landing-btn {
      background: linear-gradient(135deg, var(--accent), #e6b95d);
      color: #08111a;
      font-weight: 700;
      min-width: 132px;
      box-shadow: 0 16px 36px rgba(167,122,28,0.28);
    }

    .mode-card {
      display: grid;
      gap: 6px;
      min-width: 0;
      text-align: left;
    }

    .mode-card strong {
      font-size: 15px;
      line-height: 1.1;
    }

    .mode-card span {
      color: rgba(8, 17, 26, 0.72);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.35;
    }

    .mode-card.selected {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .start-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px;
    }

    .selected-mode {
      color: var(--muted);
      font-size: 12px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .start-duel-btn {
      min-width: 180px;
      text-align: center;
    }

    .landing-btn.secondary {
      background: rgba(255,255,255,0.36);
      border: 1px solid rgba(16,32,51,0.12);
      color: var(--text);
      box-shadow: none;
    }

    body[data-theme="dark"] .landing-btn.secondary {
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.08);
    }

    .landing-btn.secondary span {
      color: var(--muted);
    }

    .coming-soon {
      position: relative;
      overflow: hidden;
    }

    .coming-soon::after {
      content: "Locked";
      position: absolute;
      right: 12px;
      top: 12px;
      padding: 4px 8px;
      border-radius: 999px;
      background: rgba(16,32,51,0.08);
      color: var(--muted);
      font-size: 10px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    body[data-theme="dark"] .coming-soon::after {
      background: rgba(255,255,255,0.08);
    }

    .landing-link {
      background: rgba(255,255,255,0.36);
      border: 1px solid rgba(16,32,51,0.12);
      color: var(--text);
      text-decoration: none;
    }

    body[data-theme="dark"] .landing-link {
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.08);
    }

    .landing-btn:hover,
    .landing-link:hover {
      transform: translateY(-1px);
    }

    .landing-btn:disabled {
      cursor: not-allowed;
      opacity: 0.55;
      transform: none;
    }

    .landing-stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      margin-top: auto;
    }

    .landing-stat {
      padding: 14px 14px 12px;
      border-radius: 18px;
      background: rgba(255,255,255,0.3);
      border: 1px solid rgba(16,32,51,0.08);
    }

    body[data-theme="dark"] .landing-stat {
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.07);
    }

    .landing-stat strong {
      display: block;
      font-size: clamp(20px, 2.1vw, 28px);
      line-height: 1;
      margin-bottom: 8px;
    }

    .landing-stat span {
      display: block;
      font-size: 11px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      line-height: 1.4;
    }

    .landing-side {
      display: grid;
      gap: 18px;
    }

    .landing-panel {
      padding: 22px;
      display: grid;
      gap: 14px;
    }

    .landing-panel h3 {
      margin: 0;
      font-size: 12px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .landing-panel p {
      margin: 0;
      line-height: 1.5;
    }

    .deck-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .deck-entry {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,0.28);
      border: 1px solid rgba(16,32,51,0.08);
    }

    body[data-theme="dark"] .deck-entry {
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.07);
    }

    .deck-entry .deck-thumb {
      width: 22px;
      height: 32px;
      border-radius: 8px;
    }

    .deck-copy {
      display: grid;
      gap: 3px;
      flex: 1;
      min-width: 0;
    }

    .deck-copy strong {
      font-size: 12px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .deck-copy span {
      font-size: 10px;
      color: var(--muted);
      line-height: 1.35;
    }

    .landing-note {
      display: grid;
      gap: 10px;
      font-size: 13px;
      color: var(--muted);
    }

    .landing-note strong {
      color: var(--text);
      font-size: 16px;
    }

    body.landing-open #hud,
    body.landing-open .card-label-layer {
      opacity: 0;
      transform: translateY(18px);
      pointer-events: none;
      transition: opacity 220ms ease, transform 220ms ease;
    }

    body.landing-open #scene {
      filter: blur(4px) saturate(0.92);
      opacity: 0.58;
      transition: filter 220ms ease, opacity 220ms ease;
    }

    body:not(.landing-open) #hud,
    body:not(.landing-open) .card-label-layer {
      opacity: 1;
      transform: translateY(0);
      transition: opacity 220ms ease, transform 220ms ease;
    }

    body:not(.landing-open) #scene {
      filter: none;
      opacity: 1;
      transition: filter 220ms ease, opacity 220ms ease;
    }

    #hud {
      position: relative;
      z-index: 2;
      width: 100%;
      height: 100%;
      padding: clamp(10px, 1.4vh, 18px);
      display: grid;
      grid-template-rows: auto auto auto;
      gap: clamp(8px, 1.2vh, 16px);
      pointer-events: none;
      overflow-y: hidden;
      overflow-x: hidden;
    }

    .topbar,
    .footer,
    .midbar {
      display: grid;
      gap: clamp(10px, 1.2vw, 16px);
    }

    .topbar {
      grid-template-columns: minmax(260px, 1fr) minmax(320px, 520px) minmax(260px, 1fr);
      align-items: stretch;
    }

    .midbar {
      grid-template-columns: 1fr;
      align-items: start;
    }

    .footer {
      grid-template-columns: minmax(220px, 280px) minmax(240px, 360px);
      justify-content: space-between;
      align-items: end;
      margin-top: auto;
      margin-bottom: 26px;
    }

    .panel {
      background:
        linear-gradient(180deg, rgba(255,255,255,0.62), rgba(255,255,255,0.26)),
        var(--panel);
      border: 1px solid var(--panel-border);
      border-radius: 20px;
      padding: clamp(8px, 0.9vh, 12px) clamp(10px, 1.2vw, 14px);
      box-shadow: var(--shadow);
      backdrop-filter: blur(10px);
      pointer-events: auto;
    }

    body[data-theme="dark"] .panel {
      background:
        linear-gradient(180deg, rgba(135, 223, 255, 0.08), rgba(255,255,255,0.025)),
        var(--panel);
    }

    .topbar .panel {
      min-height: 96px;
    }

    .titlebox {
      text-align: center;
      min-width: 260px;
      display: grid;
      align-content: center;
      gap: 4px;
    }

    .eyebrow {
      color: var(--accent);
      font-size: 11px;
      letter-spacing: 0.28em;
      text-transform: uppercase;
    }

    h1 {
      margin: 2px 0 4px;
      font-size: clamp(18px, 2vw, 28px);
      line-height: 0.92;
      letter-spacing: 0.02em;
    }

    .tagline {
      margin: 0;
      color: var(--muted);
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .theme-btn {
      justify-self: center;
      min-width: 108px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid var(--panel-border);
      background: rgba(255,255,255,0.42);
      color: var(--text);
      font: inherit;
      font-size: 10px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      pointer-events: none;
    }

    .panel button,
    .panel input,
    .panel a,
    .turn-log {
      pointer-events: auto;
    }

    .hud-controls {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    body[data-theme="dark"] .theme-btn {
      background: rgba(255,255,255,0.08);
    }

    .stats {
      display: grid;
      gap: 5px;
    }

    .stats-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      margin-bottom: 2px;
      padding-bottom: 4px;
      border-bottom: 1px solid rgba(16,32,51,0.12);
    }

    body[data-theme="dark"] .stats-header {
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .stats-name {
      font-size: 11px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .brain {
      color: var(--accent);
      font-size: 11px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .bars {
      display: grid;
      gap: 5px;
    }

    .meter-label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 10px;
      letter-spacing: 0.04em;
      color: var(--muted);
      margin-bottom: 3px;
    }

    .meter-track {
      height: 7px;
      border-radius: 999px;
      background: rgba(16,32,51,0.1);
      overflow: hidden;
      border: 1px solid rgba(16,32,51,0.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.42);
    }

    body[data-theme="dark"] .meter-track {
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .meter-fill {
      height: 100%;
      border-radius: 999px;
      width: 0%;
      transition: width 180ms ease;
    }

    .hp-fill {
      background: linear-gradient(90deg, #d66c5a, #f0b26d);
    }

    .energy-fill {
      background: linear-gradient(90deg, #6aa2e3, #78d3c7);
    }

    .timer-box {
      display: grid;
      gap: 5px;
      margin-top: 2px;
      padding: 8px;
      border-radius: 14px;
      background: rgba(16,32,51,0.06);
      border: 1px solid rgba(16,32,51,0.1);
    }

    body[data-theme="dark"] .timer-box {
      background: rgba(255,255,255,0.045);
      border-color: rgba(255,255,255,0.08);
    }

    .timer-head,
    .bank-head {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      color: var(--muted);
      font-size: 9px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .timer-head strong,
    .bank-head strong {
      color: var(--text);
      font-variant-numeric: tabular-nums;
    }

    .timer-track,
    .bank-track {
      height: 7px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(16,32,51,0.12);
      border: 1px solid rgba(16,32,51,0.1);
    }

    body[data-theme="dark"] .timer-track,
    body[data-theme="dark"] .bank-track {
      background: rgba(255,255,255,0.09);
      border-color: rgba(255,255,255,0.08);
    }

    .timer-fill,
    .bank-fill {
      height: 100%;
      width: 100%;
      border-radius: 999px;
      transition: width 90ms linear, background 120ms ease;
    }

    .timer-fill {
      background: linear-gradient(90deg, var(--success), var(--warning));
    }

    .timer-box.bank-burning .timer-fill {
      background: linear-gradient(90deg, var(--warning), var(--danger));
    }

    .bank-fill {
      background: linear-gradient(90deg, #6aa2e3, var(--accent));
    }

    .lock-chip {
      justify-self: start;
      min-height: 22px;
      padding: 4px 9px;
      border-radius: 999px;
      background: rgba(255,255,255,0.32);
      color: var(--muted);
      font-size: 9px;
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      border: 1px solid rgba(16,32,51,0.12);
    }

    body[data-theme="dark"] .lock-chip {
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.08);
    }

    .lock-chip.locked {
      color: #06251f;
      background: linear-gradient(135deg, #78ffd8, var(--success));
      border-color: rgba(105,231,205,0.72);
      box-shadow: 0 0 22px rgba(105,231,205,0.34);
      animation: lockPulse 700ms ease both;
    }

    .lock-chip.locked::before {
      content: "✓ ";
    }

    .lock-chip.danger {
      color: #fff;
      background: linear-gradient(135deg, var(--danger), #b03434);
      border-color: rgba(255,111,109,0.72);
      box-shadow: 0 0 22px rgba(255,111,109,0.28);
    }

    @keyframes lockPulse {
      0% { transform: scale(0.92); }
      50% { transform: scale(1.08); }
      100% { transform: scale(1); }
    }

    .start-countdown {
      position: fixed;
      inset: 0;
      z-index: 6;
      display: grid;
      place-items: center;
      pointer-events: none;
      color: var(--text);
      font-size: clamp(88px, 18vw, 220px);
      font-weight: 900;
      letter-spacing: 0.04em;
      text-shadow:
        0 0 26px rgba(99, 220, 255, 0.42),
        0 22px 70px rgba(0,0,0,0.48);
      background: radial-gradient(circle at center, rgba(122,224,255,0.16), transparent 34%);
      animation: countdownPop 900ms ease both;
    }

    .start-countdown[hidden] {
      display: none;
    }

    @keyframes countdownPop {
      0% { opacity: 0; transform: scale(0.68); }
      25% { opacity: 1; transform: scale(1.08); }
      100% { opacity: 0.92; transform: scale(1); }
    }

    #phase {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--accent);
      text-align: center;
      align-self: center;
      padding-top: 2px;
    }

    #status {
      font-size: clamp(13px, 1.2vw, 18px);
      text-align: center;
      line-height: 1.14;
      margin: 0 auto;
      max-width: 18ch;
    }

    #substatus {
      text-align: center;
      color: var(--muted);
      font-size: 10px;
      line-height: 1.3;
      min-height: 20px;
      max-width: 42ch;
      margin: 0 auto;
    }

    .inspector h2 {
      margin: 0 0 8px;
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .deck-thumb {
      width: 18px;
      height: 26px;
      border-radius: 6px;
      border: 1px solid rgba(16,32,51,0.12);
      background-color: rgba(255,255,255,0.28);
      background-position: center;
      background-repeat: no-repeat;
      background-size: contain;
      box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.18),
        0 8px 16px rgba(0,0,0,0.18);
      flex: 0 0 auto;
    }

    body[data-theme="dark"] .deck-thumb {
      border: 1px solid rgba(255,255,255,0.08);
      background-color: rgba(255,255,255,0.03);
      box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 8px 16px rgba(0,0,0,0.18);
    }

    .deck-thumb.attack { background-image: url("../assets/countermind-card-attack-reference.png?v=20260405b"); }
    .deck-thumb.defend { background-image: url("../assets/countermind-card-defend-reference.png?v=20260406c"); }
    .deck-thumb.charge { background-image: url("../assets/countermind-card-charge-reference.png?v=20260405b"); }
    .deck-thumb.heavy { background-image: url("../assets/countermind-card-heavy-reference.png?v=20260405b"); }
    .deck-thumb.predict { background-image: url("../assets/countermind-card-predict-reference.png?v=20260405b"); }
    .deck-thumb.feint { background-image: url("../assets/countermind-card-feint-reference.png?v=20260405b"); }

    .inspector-card {
      display: grid;
      grid-template-columns: 94px minmax(0, 1fr);
      grid-template-areas:
        "art name"
        "art hint"
        "cost remain"
        "predict predict";
      align-items: start;
      gap: 6px 8px;
    }

    .card-art {
      width: min(100%, 112px);
      aspect-ratio: 0.73;
      justify-self: center;
      grid-area: art;
      border-radius: 18px;
      border: 1px solid rgba(16,32,51,0.12);
      background: rgba(255,255,255,0.18);
      box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        0 16px 30px rgba(0,0,0,0.24);
      overflow: hidden;
      position: relative;
    }

    body[data-theme="dark"] .card-art {
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.02);
      box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 16px 30px rgba(0,0,0,0.24);
    }

    .card-art::before {
      content: "";
      position: absolute;
      inset: 0;
      background-position: center;
      background-repeat: no-repeat;
      background-size: 96% auto;
    }

    .card-art.attack::before { background-image: url("../assets/countermind-card-attack-reference.png?v=20260405b"); }
    .card-art.defend::before { background-image: url("../assets/countermind-card-defend-reference.png?v=20260406c"); }
    .card-art.charge::before { background-image: url("../assets/countermind-card-charge-reference.png?v=20260405b"); }
    .card-art.heavy::before { background-image: url("../assets/countermind-card-heavy-reference.png?v=20260405b"); }
    .card-art.predict::before { background-image: url("../assets/countermind-card-predict-reference.png?v=20260405b"); }
    .card-art.feint::before { background-image: url("../assets/countermind-card-feint-reference.png?v=20260405b"); }
    .card-art.default::before {
      background-image:
        radial-gradient(circle at top, rgba(122, 224, 255, 0.22), transparent 34%),
        linear-gradient(180deg, rgba(24,34,58,0.95), rgba(11,15,27,0.98));
      background-size: auto;
    }

    #cardName {
      grid-area: name;
      font-size: 16px;
      margin: 0;
      align-self: end;
      min-height: 38px;
      display: flex;
      align-items: flex-start;
      line-height: 1.04;
    }

    #cardHint {
      grid-area: hint;
      margin: 0;
      color: var(--muted);
      line-height: 1.25;
      min-height: 74px;
      font-size: 10px;
    }

    .costline {
      display: contents;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 11px;
    }

    #cardCost {
      grid-area: cost;
      align-self: start;
      justify-self: stretch;
      width: 100%;
      min-height: 30px;
    }

    #cardRemain {
      grid-area: remain;
      align-self: start;
      justify-self: start;
      width: 100%;
      min-height: 30px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 5px 7px;
      border-radius: 999px;
      background: rgba(255,255,255,0.42);
      font-size: 10px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      border: 1px solid rgba(16,32,51,0.12);
      width: 100%;
    }

    body[data-theme="dark"] .pill {
      background: rgba(255,255,255,0.11);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .predict-panel {
      grid-area: predict;
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
      margin-top: 2px;
    }

    .inspector-card .predict-panel {
      margin-top: 0;
    }

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

    .inspector {
      width: 250px;
      max-width: 250px;
      justify-self: start;
      margin-left: 22px;
      margin-bottom: 52px;
      pointer-events: none;
    }

    .turn-log-panel {
      width: min(320px, 32vw);
      max-width: 360px;
      justify-self: end;
      align-self: end;
      margin-right: 22px;
      margin-bottom: 52px;
      pointer-events: auto;
    }

    .turn-log-panel h2 {
      margin: 0 0 8px;
      font-size: 11px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .turn-log {
      display: grid;
      gap: 7px;
      max-height: 126px;
      margin: 0;
      padding-left: 18px;
      overflow: auto;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.35;
    }

    .turn-log li::marker {
      color: var(--accent);
    }

    .predict-btn,
    .end-action-btn {
      border: 0;
      border-radius: 12px;
      padding: 8px 10px;
      color: var(--text);
      background: rgba(255,255,255,0.44);
      cursor: pointer;
      font: inherit;
      transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
      border: 1px solid rgba(16,32,51,0.12);
      pointer-events: auto;
    }

    body[data-theme="dark"] .predict-btn,
    body[data-theme="dark"] .end-action-btn {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.08);
    }

    .predict-btn {
      width: 100%;
      min-height: 40px;
      justify-content: center;
      text-align: center;
    }

    .predict-btn:hover,
    .end-action-btn:hover {
      transform: translateY(-1px);
      background: rgba(255,255,255,0.62);
    }

    body[data-theme="dark"] .predict-btn:hover,
    body[data-theme="dark"] .end-action-btn:hover {
      background: rgba(255,255,255,0.14);
    }

    .predict-btn.active {
      background: rgba(122, 224, 255, 0.22);
      border-color: rgba(122, 224, 255, 0.5);
    }

    .end-actions {
      display: none;
      position: fixed;
      left: 50%;
      bottom: clamp(22px, 6vh, 72px);
      z-index: 5;
      width: min(560px, calc(100vw - 32px));
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      justify-content: center;
      padding: clamp(16px, 2.4vw, 24px);
      margin-top: 0;
      border: 1px solid rgba(16,32,51,0.16);
      border-radius: 26px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.74), rgba(255,255,255,0.44)),
        var(--panel);
      box-shadow:
        0 30px 80px rgba(0,0,0,0.34),
        inset 0 1px 0 rgba(255,255,255,0.48);
      backdrop-filter: blur(16px);
      pointer-events: auto;
    }

    .end-actions.show {
      display: grid;
      transform: translateX(-50%);
    }

    body[data-theme="dark"] .end-actions {
      border-color: rgba(122, 224, 255, 0.22);
      background:
        linear-gradient(180deg, rgba(19, 34, 55, 0.94), rgba(8, 12, 24, 0.9)),
        var(--panel);
      box-shadow:
        0 34px 90px rgba(0,0,0,0.6),
        0 0 44px rgba(122, 224, 255, 0.13),
        inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .end-action-btn {
      min-height: 64px;
      border-radius: 18px;
      font-size: clamp(14px, 1.35vw, 18px);
      font-weight: 800;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .end-action-btn.primary {
      background: linear-gradient(135deg, var(--accent), #e6b95d);
      color: #08111a;
      box-shadow:
        0 14px 28px rgba(213, 148, 48, 0.34),
        inset 0 1px 0 rgba(255,255,255,0.5);
    }

    .end-action-btn.secondary {
      background: rgba(255,255,255,0.38);
      color: var(--text);
    }

    .card-label-layer {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
    }

    .card-label {
      position: absolute;
      min-width: 96px;
      text-align: center;
      transform: translate(-50%, -50%);
      transition: opacity 140ms ease;
      text-shadow: 0 2px 10px rgba(0,0,0,0.45);
    }

    .card-label .name {
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .card-label .meta {
      margin-top: 3px;
      font-size: 10px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.8);
    }

    .card-label.dim {
      opacity: 0.5;
    }

    .card-label.unavailable {
      filter: grayscale(0.85);
      opacity: 0.55;
    }

    .card-label.unavailable .meta {
      color: var(--danger);
    }

    .card-label.hand-label {
      opacity: 1;
      min-width: 74px;
    }

    .card-label.hand-label .name {
      font-size: 11px;
    }

    .card-label.hand-label .meta {
      font-size: 9px;
      color: rgba(255,255,255,0.72);
    }

    .card-label.hand-label.show {
      opacity: 1;
    }

    .attack { color: var(--attack); }
    .defend { color: var(--defend); }
    .charge { color: var(--charge); }
    .heavy { color: var(--heavy); }
    .predict { color: var(--predict); }
    .feint { color: var(--feint); }

    @media (max-width: 980px) {
      .landing-wrap {
        grid-template-columns: 1fr;
      }

      .landing-hero {
        min-height: auto;
      }

      .landing-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .mode-options {
        grid-template-columns: 1fr;
      }

      #hud {
        padding: 12px;
      }

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

      .midbar,
      .footer {
        grid-template-columns: 1fr;
      }

      .titlebox {
        order: -1;
      }

      .footer {
        justify-content: stretch;
      }

      .panel {
        padding: 14px;
      }

      .card-label {
        min-width: 84px;
      }

      .card-label .name {
        font-size: 13px;
      }
    }

    @media (max-height: 980px) {
      .topbar {
        grid-template-columns: minmax(220px, 1fr) minmax(280px, 420px) minmax(220px, 1fr);
      }

      .midbar {
        grid-template-columns: minmax(200px, 250px) minmax(0, 1fr) minmax(200px, 250px);
      }

      .footer {
        grid-template-columns: minmax(210px, 240px) minmax(210px, 230px);
      }

      .card-art {
        width: min(100%, 100px);
      }

      #substatus {
        min-height: 0;
      }
    }

    @media (max-height: 900px) {
      .topbar {
        grid-template-columns: minmax(220px, 1fr) minmax(280px, 420px) minmax(220px, 1fr);
      }

      .midbar {
        grid-template-columns: minmax(210px, 260px) minmax(0, 1fr) minmax(210px, 260px);
      }

      .titlebox {
        gap: 4px;
      }

      h1 {
        font-size: clamp(26px, 3.5vw, 44px);
      }

      .tagline,
      .eyebrow {
        font-size: 11px;
      }

      .tagline {
        display: none;
      }
    }

    @media (max-height: 840px) {
      .eyebrow,
      #substatus {
        display: none;
      }

      .stats-header {
        padding-bottom: 6px;
      }

      .bars {
        gap: 8px;
      }

      .card-art {
        width: min(100%, 90px);
      }

      #cardHint {
        display: none;
      }

      .inspector-card {
        grid-template-areas:
          "art name"
          "art cost"
          "predict predict";
      }

    }

    @media (max-height: 780px) {
      .inspector h2 {
        margin-bottom: 6px;
      }

      .card-art {
        width: min(100%, 82px);
      }

      #cardName {
        font-size: 18px;
      }

      #cardHint {
        min-height: 0;
        font-size: 11px;
      }

      .predict-btn,
      .end-action-btn {
        padding: 7px 8px;
        font-size: 11px;
      }

      .meter-track {
        height: 10px;
      }
    }

    @media (max-height: 720px) {
      .card-art {
        width: min(100%, 76px);
      }

      .inspector {
        margin-left: 10px;
        margin-bottom: 26px;
      }

      .turn-log-panel {
        margin-right: 10px;
        margin-bottom: 26px;
      }
    }

    @media (max-width: 640px) {
      .landing-shell {
        padding: 14px;
        overflow: auto;
      }

      .landing-hero,
      .landing-panel {
        padding: 18px;
      }

      .landing-headline h2 {
        font-size: clamp(34px, 12vw, 54px);
      }

      .landing-stats,
      .deck-grid,
      .start-row {
        grid-template-columns: 1fr;
      }

      .landing-btn,
      .landing-link {
        width: 100%;
        justify-content: center;
      }

      .mode-card {
        text-align: center;
      }

      .selected-mode {
        text-align: center;
      }

      #hud {
        gap: 12px;
      }

      .topbar,
      .midbar,
      .footer {
        gap: 12px;
      }

      #status {
        font-size: 22px;
      }

      #substatus {
        min-height: 0;
        font-size: 13px;
      }

      #cardName {
        font-size: 24px;
      }

      #cardHint {
        min-height: 0;
      }

      .predict-btn,
      .end-action-btn,
      .turn-log-panel {
        width: 100%;
      }
    }