@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&family=Noto+Sans+KR:wght@400;700&display=swap');

        body {
            margin: 0;
            overflow: hidden;
            background-color: #000;
            font-family: 'Noto Sans KR', sans-serif;
            touch-action: none;
            /* 모바일 브라우저 스크롤 방지 */
        }

        .orbitron {
            font-family: 'Orbitron', sans-serif;
        }

        #blocker {
            position: absolute;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(10, 15, 20, 0.8) 0%, rgba(0, 0, 5, 0.95) 100%);
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            z-index: 20;
        }

        #instructions {
            text-align: center;
            cursor: pointer;
            padding: 50px 60px;
            background: rgba(10, 20, 30, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.1), inset 0 0 20px rgba(0, 240, 255, 0.05);
            transition: all 0.3s ease;
        }

        #instructions:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.2), inset 0 0 30px rgba(0, 240, 255, 0.1);
        }

        h1 {
            font-size: 3.5rem;
            margin-bottom: 10px;
            color: #fff;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
            letter-spacing: 2px;
        }

        p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: #ddd;
        }

        .key {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            color: #00f0ff;
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 4px 12px;
            border-radius: 4px;
            font-weight: bold;
            margin: 0 4px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
        }

        /* 크로스헤어 (조준점) */
        #crosshair {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            transform: translate(-50%, -50%);
            z-index: 5;
            pointer-events: none;
            display: none;
        }

        .ch-line {
            position: absolute;
            background-color: rgba(0, 240, 255, 0.8);
            box-shadow: 0 0 5px rgba(0, 240, 255, 0.5);
        }

        .ch-line.horizontal {
            top: 9px;
            left: 0;
            width: 20px;
            height: 2px;
        }

        .ch-line.vertical {
            top: 0;
            left: 9px;
            width: 2px;
            height: 20px;
        }

        /* HUD 타이머 */
        #hud {
            position: absolute;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            color: rgba(0, 240, 255, 0.8);
            z-index: 5;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
            pointer-events: none;
        }

        #timer-display {
            font-size: 2rem;
            font-weight: bold;
            letter-spacing: 2px;
        }

        /* 모바일 UI */
        #mobile-ui {
            display: none;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 10;
            pointer-events: none;
        }

        .touch-zone {
            position: absolute;
            top: 0;
            height: 100%;
            pointer-events: auto;
        }

        #joystick-zone {
            left: 0;
            width: 50%;
        }

        #look-zone {
            right: 0;
            width: 50%;
        }

        #joystick-base {
            position: absolute;
            width: 120px;
            height: 120px;
            background: rgba(0, 240, 255, 0.1);
            border: 2px solid rgba(0, 240, 255, 0.3);
            border-radius: 50%;
            display: none;
            transform: translate(-50%, -50%);
        }

        #joystick-thumb {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 50px;
            height: 50px;
            background: rgba(0, 240, 255, 0.6);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        #action-btn {
            position: absolute;
            bottom: 40px;
            right: 40px;
            width: 70px;
            height: 70px;
            background: rgba(255, 0, 85, 0.2);
            border: 2px solid rgba(255, 0, 85, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ff0055;
            pointer-events: auto;
            box-shadow: 0 0 20px rgba(255, 0, 85, 0.4);
            transition: background 0.1s;
        }

        #action-btn:active {
            background: rgba(255, 0, 85, 0.5);
        }

        #action-btn svg {
            width: 35px;
            height: 35px;
            fill: currentColor;
        }

        /* 승리 화면 */
        #win-screen {
            position: absolute;
            width: 100%;
            height: 100%;
            background: rgba(0, 10, 20, 0.9);
            backdrop-filter: blur(10px);
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            z-index: 30;
        }

        .win-panel {
            text-align: center;
            padding: 60px 80px;
            border: 1px solid rgba(0, 240, 255, 0.3);
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
            border-radius: 12px;
            box-shadow: 0 0 50px rgba(0, 240, 255, 0.15);
        }

        .glow-text {
            color: #fff;
            text-shadow: 0 0 10px #00f0ff, 0 0 20px #00f0ff, 0 0 40px #00f0ff;
            margin-bottom: 20px;
        }

        button {
            padding: 15px 40px;
            font-size: 1.2rem;
            letter-spacing: 1px;
            background: transparent;
            color: #00f0ff;
            border: 1px solid #00f0ff;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            margin-top: 30px;
            box-shadow: inset 0 0 15px rgba(0, 240, 255, 0.2), 0 0 10px rgba(0, 240, 255, 0.1);
            transition: all 0.3s ease;
        }

        button:hover {
            background: #00f0ff;
            color: #000;
            box-shadow: 0 0 20px #00f0ff;
            transform: translateY(-2px);
        }

        .blink {
            animation: blink 1.5s infinite;
        }

        @keyframes blink {

            0%,
            100% {
                opacity: 1;
            }

            50% {
                opacity: 0.3;
            }
        }