* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
            -webkit-touch-callout: none;
        }

        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            height: 100vh;
            overflow: hidden;
            padding: 1vh 0;
            margin: 0;
            justify-content: center;
            background: 
            /* Глубокий синий фон */
            radial-gradient(#023d8a, #0e0127);
        }

        .game-header {
            width: 100%;
            text-align: center;
        }

        .timer {
            font-size: 3vh;
            color: white;
        }

        .game-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            max-width: min(80vh, 90vw);
            gap: 2vh;
            position: relative;
            padding: 1vh 0;
            margin: 0 auto;
        }

        .game-board {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(8, 1fr);
            gap: 0.5vh;
            width: 100%;
            max-width: 100%;
            aspect-ratio: 1/1;
            margin: auto;
        }

        .card {
            background: #3498db;
            border-radius: 1vh;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3vh;
            transition: all 0.3s ease;
            aspect-ratio: 1/1;
            position: relative;
        }

        @media (max-width: 600px) {
            .game-container {
                padding: 1vh 0;
            }

            .card {
                font-size: 2.8vh;
            }
        }

        @media (orientation: portrait) {
            .game-board {
                gap: 0.3vh;
            }

            .timer {
                font-size: 2.5vh;
            }
        }

        html,
        body {
            overflow: hidden;
            width: 100%;
            height: 100%;
        }

        .card.flipped {
            background: #e74c3c;
        }

        .card.matched {
            background: #f0f4f8 !important;
            cursor: default;
        }

        button {
            padding: 1.5vh 3vh;
            font-size: 2vh;
            border: none;
            border-radius: 1vh;
            cursor: pointer;
            transition: background 0.3s;
            width: 250px;
            margin: 1vh;
            z-index: 1002;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1vh;
        }

        .pause-btn {
            margin: 0;
            background: #f59d2a;
            width: 25vh;
            color: white;
            padding: 1vh;
        }

        .pause-btn:hover {
            background: #d35400;
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(#023d8a, #0e0127);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }

        .emojis-background {
            position: absolute;
            width: 100%;
            height: 100%;
            pointer-events: none;
            overflow: hidden;
        }

        .emojis-background span {
            font-size: 3vh;
            position: absolute;
            opacity: 0.3;
            animation: float 10s infinite linear;
        }

        @keyframes float {
            0% {
                transform: translate(-10vw, -10vh) rotate(0deg);
            }

            100% {
                transform: translate(110vw, 110vh) rotate(360deg);
            }
        }

        .modal-content {
            background: rgba(255, 255, 255, 0.95);
            padding: 4vh;
            text-align: center;
            border-radius: 2vh;
            position: relative;
            z-index: 2;
            min-width: 50vh;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .modal-content h2 {
            margin: 0 0 2.5vh 0;
            font-size: 3vh;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5vh;
        }

        .modal-content p {
            font-size: 3vh;
            margin: 2vh 0;
            color: #2c3e50;
        }

        .start-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #2c3e50;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
        }

        .win {
            color: #2ecc71;
        }

        .lose {
            color: #e74c3c;
        }

        .trophy {
            font-size: 5vh;
        }

        .btn-primary {
            background: #27ae60;
            color: white;
            width: 25vh;
            padding: 1.5vh;
        }

        .btn-primary:hover {
            background: #219a52;
        }

        .btn-secondary {
            background: #e67e22;
            color: white;
            width: 25vh;
            padding: 1.5vh;
            margin: 0;
        }

        .btn-secondary:hover {
            background: #d35400;
        }

        .controls-container {
            display: flex;
            gap: 2vh;
            justify-content: center;
            width: 80%;
            margin-top: 2vh auto;
        }

        .card-symbol {
            backface-visibility: hidden;
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card.flipped .card-symbol,
        .card.matched .card-symbol {
            visibility: visible;
        }

        .card.matched {
            background: #f0f4f8 !important;
            cursor: default;
        }

        .best-time {
            font-size: 2vh;
            color: #2c3e50;
            margin-top: 1vh;
        }