:root {
            --primary-color: #d62518;
            --primary-hover: #b01c11;
            --card-color: #1c1f26;
            --text-color: #ffffff;
            --text-secondary: #a0a0a0;
            --warning-color: #f39c12;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
            background-color: #15181e;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            color: var(--text-color);
        }
        
        .container {
            background: var(--card-color);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            padding: 2rem;
            max-width: 700px;
            width: 100%;
        }
        
        .header {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-left: 15px;
        }
        
        .header svg {
            width: 60px;
            height: 60px;
            margin-right: 15px;
            fill: var(--primary-color);
        }
        
        h1 {
            color: var(--text-color);
            font-size: 1.8rem;
            margin: 0;
            font-weight: 600;
        }
        
        .file-info {
            background-color: #15181e;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            border: 1px solid #2c3035;
        }
        
        .file-info-grid {
            display: grid;
            grid-template-columns: 60px 1fr;
            grid-gap: 1rem;
            align-items: center;
        }
        
        .file-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--text-secondary);
        }
        
        .file-details {
            display: flex;
            flex-direction: column;
        }
        
        .file-name {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.25rem;
            word-break: break-all;
        }
        
        .file-size {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        
        .action-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        
        .action-btn {
            width: 100%;
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .action-btn:hover:not(:disabled) {
            background-color: var(--primary-hover);
        }
        
        .action-btn:active {
            transform: scale(0.98);
        }
        
        .action-btn:disabled {
            background-color: #555555;
            cursor: not-allowed;
            opacity: 0.7;
        }
        
        .action-btn {
            width: 100%;
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        
        .action-btn:hover:not(:disabled) {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }
        
        .action-btn:active {
            transform: scale(0.98);
        }
        
        .action-btn:disabled {
            background-color: #555555;
            cursor: not-allowed;
            opacity: 0.7;
        }
        
        .action-btn.btn-cancel {
            background-color: #4a5568;
        }
        
        .action-btn.btn-cancel:hover {
            background-color: #2d3748;
        }
        
        .action-btn.btn-waiting {
            background-color: #ed8936;
            cursor: not-allowed;
        }
        
        .action-btn.btn-duplicate {
            background-color: #718096;
            cursor: not-allowed;
        }
        
        .action-btn svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }
        
        .warning-container {
            display: none;
            align-items: flex-start;
            gap: 10px;
            background-color: rgba(243, 156, 18, 0.1);
            border: 1px solid rgba(243, 156, 18, 0.3);
            border-radius: 8px;
            padding: 1rem;
            color: #fbd38d;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-top: 1.5rem;
        }
        
        .warning-container svg {
            width: 100px;
            height: 100px;
            fill: orange;
            flex-shrink: 0;
        }
        
        .progress-container {
            display: none;
            background-color: var(--card-color);
            border-radius: 8px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            border: 1px solid #2c3035;
        }
        
        .progress-stats {
            margin-bottom: 0.75rem;
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
        }
        
        .progress-size {
            color: var(--text-secondary);
        }
        
        .progress-speed {
            color: var(--text-secondary);
            font-weight: 600;
        }
        
        .progress-bar-container {
            width: 100%;
            height: 40px;
            background-color: #000000;
            border-radius: 20px;
            overflow: hidden;
            position: relative;
        }
        
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #e53e3e 0%, #fc8181 100%);
            width: 0%;
            transition: width 0.3s ease;
            border-radius: 20px;
        }
        
        .progress-percent {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            z-index: 10;
        }
        
        .status {
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 8px;
            display: none;
            font-size: 0.95rem;
        }
        
        .status.error {
            background-color: rgba(231, 76, 60, 0.2);
            color: #e74c3c;
            border: 1px solid rgba(231, 76, 60, 0.3);
        }
        
        .status.success {
            background-color: rgba(0, 179, 88, 0.2);
            color: #00b358;
            border: 1px solid rgba(0, 179, 88, 0.3);
        }
        
        .status.info {
            background-color: rgba(243, 156, 18, 0.2);
            color: var(--warning-color);
            border: 1px solid rgba(243, 156, 18, 0.3);
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 1.5rem;
            }
        }