:root {
            --bg-color: #0a0a0a;
            --container-bg: #161616;
            --border-color: #2a2a2a;
            --text-main: #e0e0e0;
            --text-secondary: #b0b0b0;
            --accent-gradient: linear-gradient(135deg, #ff2400, #e81d1d);
            --progress-bg: #2a2a2a;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 20px;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image: radial-gradient(circle at 75% 30%, rgba(120, 0, 0, 0.15) 0%, transparent 50%);
        }
        
        .container {
            width: 100%;
            max-width: 500px;
            padding: clamp(20px, 5vw, 40px);
            background-color: var(--container-bg);
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-color);
            animation: fadeIn 0.8s cubic-bezier(0.22, 1, 0.36, 1);
            position: relative;
            overflow: hidden;
        }
        
        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-gradient);
        }
        
        h1 {
            font-size: clamp(1.5rem, 5vw, 2.2rem);
            margin-bottom: 12px;
            font-weight: 700;
            color: #ffffff;
            text-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
        }
        
        p {
            font-size: clamp(0.9rem, 3vw, 1.05rem);
            margin-bottom: clamp(20px, 5vw, 32px);
            color: var(--text-secondary);
        }
        
        .progress-container {
            width: 100%;
            height: 6px;
            background-color: var(--progress-bg);
            border-radius: 3px;
            margin: clamp(20px, 5vw, 28px) 0;
            overflow: hidden;
        }
        
        .progress-bar {
            height: 100%;
            width: 0;
            background: var(--accent-gradient);
            border-radius: 3px;
            animation: progress 5s linear forwards;
            box-shadow: 0 0 10px rgba(255, 0, 0, 0.4);
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: clamp(12px, 3vw, 14px) clamp(24px, 4vw, 32px);
            background: var(--accent-gradient);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: clamp(0.9rem, 3vw, 1rem);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            position: relative;
            overflow: hidden;
            width: 100%;
            max-width: 280px;
            margin: 0 auto;
        }
        
        .btn:hover, .btn:focus {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 0, 0.3);
        }
        
        .btn:active {
            transform: translateY(0);
        }
        
        .btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0) 45%,
                rgba(255, 255, 255, 0.15) 48%,
                rgba(255, 255, 255, 0.15) 52%,
                rgba(255, 255, 255, 0) 55%,
                rgba(255, 255, 255, 0) 100%
            );
            transform: rotate(30deg);
            animation: shine 3s infinite;
        }
        
        .btn svg {
            width: clamp(14px, 3vw, 18px);
            height: clamp(14px, 3vw, 18px);
            margin-left: 8px;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px) scale(0.98); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }
        
        @keyframes progress {
            from { width: 0; }
            to { width: 100%; }
        }
        
        @keyframes shine {
            0% { left: -50%; }
            100% { left: 150%; }
        }
        
        /* Оптимизация для мобильных устройств */
        @media (max-width: 480px) {
            body {
                padding: 15px;
                background-image: radial-gradient(circle at 70% 20%, rgba(120, 0, 0, 0.15) 0%, transparent 60%);
            }
            
            .container {
                border-radius: 12px;
            }
            
            .btn {
                max-width: 100%;
            }
        }
        
        /* Отключение анимации для пользователей, предпочитающих reduced motion */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

	  .notice {
            font-size: clamp(0.8rem, 3vw, 0.9rem);
            color: #888;
            margin-top: 20px;
            padding: 12px;
            background-color: rgba(40, 40, 40, 0.7);
            border-radius: 8px;
            border-left: 3px solid #e81d1d;
        }