:root {
      --panel-2: rgba(255, 255, 255, 0.04);
      --line: rgba(159, 200, 236, 0.14);
      --text: #eef6ff;
      --muted: #93abc2;
      --accent: #5db9ff;
      --accent-2: #8ce0cf;
      --success: #5fda97;
      --warn: #f3bf69;
      --danger: #ff9e8c;
      --radius: 24px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: "Segoe UI", system-ui, sans-serif;
      background:
        radial-gradient(circle at top left, rgba(93, 185, 255, 0.18), transparent 18%),
        radial-gradient(circle at top right, rgba(140, 224, 207, 0.10), transparent 20%),
        linear-gradient(180deg, #040b13 0%, #07111a 34%, #09131d 100%);
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.2;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
      background-size: 32px 32px;
      mask-image: radial-gradient(circle at center, black 45%, transparent 82%);
    }

    .page {
      position: relative;
      z-index: 1;
      max-width: 1400px;
      margin: 0 auto;
      padding: 24px;
    }

    .nav,
    .rail,
    .panel,
    .dock,
    .challenge-panel,
    .metric,
    .board-row,
    .detail-panel,
    .challenge-row {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      margin-bottom: 20px;
      padding: 14px 18px;
      background: rgba(7, 18, 29, 0.72);
      backdrop-filter: blur(16px);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.16), transparent 36%),
        linear-gradient(135deg, #1c5d93, #0f2c48);
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.04em;
    }

    .brand-name span {
      color: var(--accent);
    }

    .brand-copy,
    .nav-copy,
    .muted,
    .section-copy,
    .board-meta,
    .dock-meta,
    .challenge-meta {
      color: var(--muted);
    }

    .brand-copy {
      font-size: 12px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .nav-links {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
    }

    .nav-links span,
    .auth-link {
      text-decoration: none;
    }

    .nav-links span {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--muted);
    }

    .nav-links .active {
      color: var(--text);
      background: rgba(93, 185, 255, 0.08);
      border: 1px solid rgba(93, 185, 255, 0.22);
    }

    .auth-link,
    .account-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 16px;
      border: 1px solid rgba(140, 224, 207, 0.18);
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.16), rgba(140, 224, 207, 0.14));
      color: var(--text);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .workspace {
      display: grid;
      grid-template-columns: 240px minmax(0, 1fr) 320px;
      grid-template-areas:
        "rail console dock"
        "rail list secondary";
      gap: 18px;
      align-items: start;
    }

    .rail,
    .panel,
    .dock,
    .challenge-panel {
      background: linear-gradient(160deg, rgba(9, 24, 38, 0.92), rgba(7, 18, 29, 0.96));
    }

    .rail {
      grid-area: rail;
      padding: 18px;
    }

    .section-label {
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 13px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .game-list {
      display: grid;
      gap: 10px;
    }

    .game-card {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid transparent;
      background: var(--panel-2);
    }

    .game-card.active {
      border-color: rgba(93, 185, 255, 0.22);
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.12), rgba(140, 224, 207, 0.06));
    }

    .game-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.05);
      font-weight: 800;
      font-size: 16px;
    }

    .game-card strong {
      display: block;
      margin-bottom: 4px;
      font-size: 15px;
    }

    .game-meta {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--muted);
    }

    .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 12px rgba(95, 218, 151, 0.5);
    }

    .main,
    .side {
      display: contents;
    }

    #playConsole {
      grid-area: console;
    }

    #primaryList {
      grid-area: list;
    }

    #statusDock {
      grid-area: dock;
    }

    #secondaryPanel {
      grid-area: secondary;
    }

    .panel,
    .dock,
    .challenge-panel {
      padding: 20px;
    }

    .panel-head,
    .list-head,
    .challenge-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 16px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 11px;
      border-radius: 999px;
      border: 1px solid rgba(93, 185, 255, 0.18);
      background: rgba(93, 185, 255, 0.10);
      color: #dff2ff;
      font-size: 12px;
    }

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

    h1 {
      margin-top: 14px;
      font-size: clamp(34px, 5vw, 52px);
      line-height: 0.98;
      letter-spacing: -0.03em;
    }

    .section-copy {
      font-size: 14px;
      line-height: 1.65;
      margin-top: 8px;
    }

    .mode-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(140, 224, 207, 0.18);
      background: rgba(140, 224, 207, 0.08);
      color: #dcfff6;
      font-size: 13px;
      font-weight: 700;
    }

    .hero-card {
      display: grid;
      gap: 6px;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid rgba(159, 200, 236, 0.10);
      background:
        radial-gradient(circle at top right, rgba(93, 185, 255, 0.18), transparent 30%),
        rgba(255, 255, 255, 0.04);
    }

    .hero-label,
    .mini-label,
    .field-label {
      color: var(--muted);
      font-size: 12px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .hero-title {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .hero-meta {
      color: var(--muted);
      font-size: 14px;
    }

    .preset-row,
    .action-row,
    .filter-row,
    .detail-grid,
    .dock-actions,
    .metric-grid,
    .combo-choices,
    .extended-presets {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .preset-chip,
    .filter-chip,
    .ghost-btn,
    .line-btn {
      border-radius: 16px;
      border: 1px solid rgba(159, 200, 236, 0.12);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text);
      font-size: 14px;
    }

    .preset-chip,
    .filter-chip {
      padding: 10px 14px;
      font-weight: 700;
    }

    .preset-chip.active,
    .filter-chip.active {
      border-color: rgba(93, 185, 255, 0.24);
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.16), rgba(140, 224, 207, 0.08));
    }

    .action-row {
      margin-top: 16px;
    }

    .primary-btn,
    .secondary-btn,
    .ghost-btn,
    .line-btn,
    .row-btn {
      padding: 13px 18px;
      border: 0;
      cursor: pointer;
      transition: transform 0.16s ease, opacity 0.16s ease;
      font-family: inherit;
    }

    .primary-btn:hover,
    .secondary-btn:hover,
    .ghost-btn:hover,
    .line-btn:hover,
    .row-btn:hover {
      transform: translateY(-1px);
    }

    .primary-btn,
    .row-btn {
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.92), rgba(140, 224, 207, 0.82));
      color: #03121d;
      font-size: 15px;
      font-weight: 800;
    }

    .secondary-btn,
    .ghost-btn,
    .line-btn {
      border-radius: 18px;
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      box-shadow: inset 0 0 0 1px rgba(159, 200, 236, 0.12);
    }

    .secondary-btn {
      font-weight: 700;
    }

    .line-btn {
      padding: 12px 16px;
    }

    .combo-action {
      display: inline-grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 2px;
      padding: 2px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      box-shadow: inset 0 0 0 1px rgba(159, 200, 236, 0.12);
    }

    .combo-action .secondary-btn,
    .combo-toggle {
      border-radius: 16px;
      background: transparent;
      box-shadow: none;
    }

    .combo-primary {
      padding-right: 22px;
    }

    .combo-toggle {
      min-width: 44px;
      padding-inline: 14px;
      color: var(--muted);
    }

    .detail-panel,
    .combo-panel {
      margin-top: 14px;
      padding: 18px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: 22px;
    }

    .combo-panel {
      display: grid;
      gap: 14px;
    }

    .combo-choices {
      margin-top: 2px;
    }

    .combo-choice {
      flex: 1 1 240px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(159, 200, 236, 0.10);
      background: rgba(255, 255, 255, 0.04);
    }

    .combo-choice.active {
      border-color: rgba(93, 185, 255, 0.24);
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.12), rgba(140, 224, 207, 0.06));
    }

    .combo-choice strong {
      display: block;
      margin-bottom: 6px;
      font-size: 16px;
    }

    .combo-choice p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .extended-presets {
      margin-top: 6px;
    }

    .detail-grid {
      margin-top: 14px;
    }

    .field {
      min-width: 124px;
      padding: 12px 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(159, 200, 236, 0.10);
    }

    .field strong {
      display: block;
      margin-top: 6px;
      font-size: 22px;
      letter-spacing: -0.03em;
    }

    .field-wide {
      flex: 1 1 100%;
      min-width: 100%;
    }

    .segmented {
      display: inline-flex;
      padding: 5px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(159, 200, 236, 0.10);
      gap: 6px;
    }

    .segmented span {
      padding: 9px 13px;
      border-radius: 12px;
      font-size: 13px;
      font-weight: 700;
      color: var(--muted);
    }

    .segmented span.active {
      background: linear-gradient(135deg, rgba(93, 185, 255, 0.16), rgba(140, 224, 207, 0.08));
      color: var(--text);
    }

    .segmented.wrap {
      flex-wrap: wrap;
      width: 100%;
    }

    .list-panel {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(160deg, rgba(9, 24, 38, 0.92), rgba(7, 18, 29, 0.96));
      box-shadow: var(--shadow);
    }

    .board-list {
      display: grid;
      gap: 12px;
    }

    .board-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 16px 18px;
      background: rgba(255, 255, 255, 0.03);
    }

    .board-row.own {
      border-color: rgba(140, 224, 207, 0.20);
      background:
        linear-gradient(135deg, rgba(93, 185, 255, 0.12), rgba(140, 224, 207, 0.08)),
        rgba(255, 255, 255, 0.04);
    }

    .board-main {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .avatar,
    .mini-avatar {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.05);
      font-weight: 800;
    }

    .board-copy,
    .challenge-copy {
      min-width: 0;
    }

    .board-title,
    .challenge-title {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 6px;
      font-size: 17px;
      font-weight: 800;
    }

    .board-meta,
    .challenge-meta,
    .dock-meta {
      font-size: 14px;
      line-height: 1.55;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .tag.active {
      color: var(--text);
      border: 1px solid rgba(93, 185, 255, 0.18);
      background: rgba(93, 185, 255, 0.10);
    }

    .dock {
      display: grid;
      gap: 14px;
      align-self: start;
      position: sticky;
      top: 24px;
    }

    .dock-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 10px;
    }

    .dock-title {
      font-size: 26px;
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .dock-copy {
      display: grid;
      gap: 8px;
    }

    .metric-grid {
      margin-top: 2px;
    }

    .metric {
      flex: 1 1 0;
      min-width: 110px;
      padding: 14px;
      background: rgba(255, 255, 255, 0.03);
    }

    .metric strong {
      display: block;
      margin-top: 6px;
      font-size: 24px;
      letter-spacing: -0.03em;
    }

    .spinner-shell {
      display: grid;
      place-items: center;
      padding: 6px 0 2px;
    }

    .spinner {
      width: 70px;
      height: 70px;
      border-radius: 50%;
      border: 6px solid rgba(255, 255, 255, 0.12);
      border-top-color: var(--success);
      animation: spin 1.1s linear infinite;
    }

    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }

    .challenge-panel {
      display: grid;
      gap: 12px;
    }

    .challenge-list {
      display: grid;
      gap: 10px;
    }

    .challenge-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      background: rgba(255, 255, 255, 0.03);
    }

    .challenge-row .board-meta {
      margin-top: 2px;
    }

    .challenge-main {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .challenge-row .row-btn {
      padding-inline: 16px;
      border-radius: 16px;
    }

    @media (max-width: 1180px) {
      .workspace {
        grid-template-columns: 220px minmax(0, 1fr) 292px;
      }
    }

    @media (max-width: 980px) {
      .workspace {
        grid-template-columns: minmax(0, 1fr) 296px;
        grid-template-areas:
          "rail rail"
          "console dock"
          "list secondary";
      }

      .rail {
        padding: 16px;
      }

      .game-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
      }

      .game-card {
        min-height: 100%;
      }
    }

    @media (max-width: 760px) {
      .page {
        padding: 16px;
      }

      .nav,
      .panel,
      .list-panel,
      .dock,
      .challenge-panel,
      .rail {
        border-radius: 20px;
      }

      .nav {
        flex-direction: column;
        align-items: flex-start;
      }

      .workspace {
        grid-template-columns: 1fr;
        grid-template-areas:
          "rail"
          "console"
          "dock"
          "list"
          "secondary";
      }

      .dock {
        position: static;
        top: auto;
      }

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

      .board-row,
      .challenge-row {
        grid-template-columns: 1fr;
      }

      .row-btn {
        width: 100%;
      }
    }

    /* Utility classes for inline style replacements */
    .game-icon-img {
      width: 32px;
      height: 32px;
      border-radius: 8px;
    }

    .action-row-tight {
      margin-top: 6px;
    }

    .segmented-mt {
      margin-top: 8px;
    }

    .filter-row-mb {
      margin-bottom: 14px;
    }

    .dock-copy-center {
      text-align: center;
    }

    .secondary-btn-center {
      justify-self: center;
    }