:root {
      --bg: #0f172a;
      --panel: #111827;
      --text: #e5e7eb;
      --accent: #f59e0b;
      --danger: #ef4444;
      --safe: #22c55e;
    }

    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "Segoe UI", sans-serif;
      background: radial-gradient(circle at top, #1e293b 0%, var(--bg) 55%);
      color: var(--text);
      min-height: 100vh;
      display: grid;
      place-items: center;
      padding: 16px;
    }

    .wrap {
      width: min(95vw, 820px);
      position: relative;
      background: rgba(17, 24, 39, 0.85);
      border: 1px solid rgba(148, 163, 184, 0.25);
      border-radius: 14px;
      padding: 14px;
      backdrop-filter: blur(4px);
    }

    .hud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      font-size: 14px;
    }

    .badge {
      padding: 6px 10px;
      border: 1px solid rgba(148, 163, 184, 0.35);
      border-radius: 8px;
      background: rgba(30, 41, 59, 0.6);
    }

    #game {
      width: 100%;
      display: block;
      border-radius: 10px;
      border: 1px solid rgba(148, 163, 184, 0.3);
      image-rendering: pixelated;
      background: #0b1020;
      touch-action: none;
    }

    .help {
      margin-top: 10px;
      font-size: 13px;
      color: #cbd5e1;
    }

    .state-win { color: var(--safe); }
    .state-lose { color: var(--danger); }

    .screen {
      position: absolute;
      inset: 0;
      border-radius: 14px;
      background: rgba(2, 6, 23, 0.86);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 14px;
      z-index: 20;
      text-align: center;
      padding: 20px;
    }

    .screen h1 {
      margin: 0;
      font-size: clamp(28px, 5vw, 44px);
      letter-spacing: 0.03em;
    }

    .screen button {
      border: 0;
      border-radius: 10px;
      padding: 10px 18px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      background: #facc15;
      color: #111827;
    }

    .screen.hidden {
      display: none;
    }

    .mobile-controls {
      display: none;
      margin-top: 12px;
      gap: 14px;
      touch-action: none;
    }

    .dpad {
      display: grid;
      grid-template-columns: repeat(3, 58px);
      grid-template-rows: repeat(3, 58px);
      gap: 6px;
      justify-content: center;
      margin: 0 auto;
    }

    .actions {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      width: 100%;
    }

    .ctrl-btn {
      border: 1px solid rgba(148, 163, 184, 0.45);
      border-radius: 14px;
      background: rgba(30, 41, 59, 0.9);
      color: var(--text);
      font-weight: 700;
      font-size: 15px;
      min-height: 48px;
      touch-action: none;
      box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.1), 0 4px 10px rgba(2, 6, 23, 0.45);
    }

    .ctrl-btn:active {
      background: rgba(71, 85, 105, 0.95);
      transform: translateY(1px);
    }

    .dpad-up { grid-column: 2; grid-row: 1; }
    .dpad-left { grid-column: 1; grid-row: 2; }
    .dpad-down { grid-column: 2; grid-row: 3; }
    .dpad-right { grid-column: 3; grid-row: 2; }
    .dpad-core {
      grid-column: 2;
      grid-row: 2;
      border-radius: 999px;
      min-height: 58px;
      border: 1px solid rgba(148, 163, 184, 0.35);
      background: radial-gradient(circle at 35% 35%, #1f2937 0%, #020617 75%);
      box-shadow: inset 0 2px 5px rgba(15, 23, 42, 0.9), 0 0 0 2px rgba(250, 204, 21, 0.35);
      font-size: 24px;
      line-height: 1;
    }
    .dpad .ctrl-btn {
      min-height: 58px;
      border-radius: 12px;
      background: linear-gradient(180deg, #334155 0%, #1e293b 100%);
    }
    .actions .ctrl-btn {
      border-radius: 999px;
      min-height: 54px;
      font-size: 13px;
      letter-spacing: 0.04em;
    }
    .actions .ctrl-btn[data-action="super"] { background: linear-gradient(180deg, #f59e0b 0%, #b45309 100%); }
    .actions .ctrl-btn[data-action="rotate"] { background: linear-gradient(180deg, #a78bfa 0%, #6d28d9 100%); }
    .actions .ctrl-btn[data-action="restart"] { background: linear-gradient(180deg, #22c55e 0%, #15803d 100%); }

    .mobile-item-tray {
      display: none;
      margin-top: 10px;
      width: 100%;
      gap: 8px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .item-chip {
      border: 1px solid rgba(148, 163, 184, 0.5);
      background: linear-gradient(180deg, #475569 0%, #1e293b 100%);
      color: #f8fafc;
      border-radius: 999px;
      min-width: 46px;
      min-height: 46px;
      font-size: 22px;
      line-height: 1;
      box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.12), 0 3px 8px rgba(2, 6, 23, 0.4);
    }

    @media (max-width: 768px) {
      :root {
        --m-gap: clamp(4px, 1.2vw, 8px);
        --ctl-size: clamp(40px, 9.5vw, 50px);
        --dpad-size: clamp(54px, 13vw, 68px);
        --bomb-size: clamp(44px, 10.5vw, 56px);
        --ctl-icon: clamp(18px, 4.6vw, 22px);
        --dpad-icon: clamp(24px, 5.8vw, 30px);
        --chip-size: clamp(18px, 4.2vw, 24px);
      }

      body {
        place-items: start center;
        min-height: 100dvh;
        height: 100dvh;
        overflow: hidden;
        padding: 0;
      }

      .wrap {
        width: 100%;
        height: 100%;
        padding: var(--m-gap);
        border-radius: 0;
        border: 0;
        display: grid;
        grid-template-rows: auto minmax(0, 1fr) auto auto;
        gap: var(--m-gap);
      }

      .hud {
        margin-bottom: 0;
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        align-items: center;
        font-size: 11px;
        gap: 3px;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        scrollbar-width: none;
      }

      .hud::-webkit-scrollbar {
        display: none;
      }

      .hud .badge {
        display: none;
      }

      .hud #boss,
      .hud #timer,
      .hud #jump,
      .hud #superBomb {
        display: inline-block;
      }

      .badge {
        padding: 4px 6px;
      }

      .hud #boss,
      .hud #timer,
      .hud #jump,
      .hud #superBomb {
        flex: 0 0 auto;
      }

      .hud #superBomb {
        max-width: 44vw;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .help {
        display: none;
      }

      #game {
        width: auto;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        aspect-ratio: 624 / 528;
        margin: 0 auto;
      }

      .mobile-controls {
        display: grid;
        justify-content: center;
        align-items: center;
        width: 100%;
        margin: clamp(6px, 1.8vh, 14px) 0;
        max-width: 100%;
        padding: var(--m-gap);
        grid-template-columns: repeat(5, var(--ctl-size));
        grid-template-rows: repeat(5, var(--ctl-size));
        gap: clamp(3px, 1vw, 6px);
        border-radius: 18px;
        border: 1px solid rgba(148, 163, 184, 0.35);
        background:
          radial-gradient(circle at 50% 20%, rgba(148, 163, 184, 0.2), rgba(15, 23, 42, 0) 55%),
          linear-gradient(180deg, rgba(30, 41, 59, 0.9) 0%, rgba(2, 6, 23, 0.85) 100%);
      }

      .mobile-controls .dpad,
      .mobile-controls .actions {
        display: contents;
      }

      .mobile-controls .ctrl-btn {
        min-width: var(--ctl-size);
        min-height: var(--ctl-size);
        border-radius: 12px;
        font-size: var(--ctl-icon);
        line-height: 1;
        padding: 0;
      }

      .mobile-controls .dpad-core {
        min-width: var(--bomb-size);
        min-height: var(--bomb-size);
        border-radius: 999px;
      }

      .mobile-controls .dpad-up,
      .mobile-controls .dpad-left,
      .mobile-controls .dpad-right,
      .mobile-controls .dpad-down {
        min-width: var(--dpad-size);
        min-height: var(--dpad-size);
        font-size: var(--dpad-icon);
      }

      .mobile-controls .dpad-up { grid-column: 3; grid-row: 1; }
      .mobile-controls .dpad-left { grid-column: 1; grid-row: 3; }
      .mobile-controls .dpad-core { grid-column: 3; grid-row: 3; }
      .mobile-controls .dpad-right { grid-column: 5; grid-row: 3; }
      .mobile-controls .dpad-down { grid-column: 3; grid-row: 5; }

      .mobile-controls .actions .ctrl-btn[data-action="super"] { grid-column: 1; grid-row: 1; }
      .mobile-controls .actions .ctrl-btn[data-action="rotate"] { grid-column: 5; grid-row: 1; }
      .mobile-controls .actions .ctrl-btn[data-action="restart"] { grid-column: 5; grid-row: 5; }

      .mobile-controls .aux-btn {
        position: relative;
        border-radius: 12px;
      }

      .mobile-controls .aux-btn[data-action="super"]::before {
        content: "☢";
      }

      .mobile-controls .aux-btn[data-action="super"]::after {
        content: attr(data-count);
        position: absolute;
        top: 3px;
        right: 4px;
        min-width: 16px;
        height: 16px;
        padding: 0 4px;
        border-radius: 999px;
        background: #111827;
        color: #f8fafc;
        font-size: 10px;
        line-height: 16px;
        text-align: center;
        border: 1px solid rgba(248, 250, 252, 0.35);
      }

      .mobile-item-tray {
        display: flex;
        width: 100%;
        justify-content: center;
        align-items: center;
        gap: 6px;
        margin-top: 2px;
        min-height: calc(var(--chip-size) + 6px);
      }

      .mobile-item-tray .item-chip {
        min-width: var(--chip-size);
        min-height: var(--chip-size);
        width: var(--chip-size);
        height: var(--chip-size);
        font-size: clamp(11px, 2.8vw, 13px);
        padding: 0;
        border-width: 1px;
      }
    }

    @media (max-width: 768px) and (max-height: 740px) {
      :root {
        --ctl-size: clamp(36px, 8.5vw, 44px);
        --dpad-size: clamp(48px, 11.5vw, 58px);
        --bomb-size: clamp(40px, 9.5vw, 50px);
        --ctl-icon: clamp(15px, 4vw, 19px);
        --dpad-icon: clamp(21px, 5.1vw, 26px);
        --chip-size: clamp(16px, 3.8vw, 20px);
      }

      .mobile-controls {
        padding: 4px;
        margin: clamp(4px, 1.2vh, 8px) 0;
      }

      .mobile-controls .aux-btn[data-action="super"]::after {
        top: 2px;
        right: 2px;
        min-width: 14px;
        height: 14px;
        font-size: 9px;
        line-height: 14px;
      }
    }