* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        .container {
            max-width: 600px;
            margin: 0 auto;
            padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
        }

        .header {
            background: rgba(255, 255, 255, 0.95);
            padding: 20px;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .header h1 {
            color: #333;
            font-size: 24px;
            margin-bottom: 5px;
        }

        .header p {
            color: #666;
            font-size: 14px;
        }

        .section {
            background: white;
            margin: 20px;
            padding: 20px;
            border-radius: 15px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .camera-container {
            position: relative;
            width: 100%;
            aspect-ratio: 3/4;
            background: #000;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 15px;
        }

        #video, #canvas {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        #canvas {
            display: none;
        }

        .camera-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70%;
            aspect-ratio: 1;
            border: 3px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            pointer-events: none;
        }

        .camera-hint {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 10px 20px;
            border-radius: 20px;
            font-size: 14px;
        }

        .btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-bottom: 10px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: #f0f0f0;
            color: #333;
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .loading {
            display: none;
            text-align: center;
            padding: 20px;
        }

        .loading.active {
            display: block;
        }

        .spinner {
            border: 4px solid #f3f3f3;
            border-top: 4px solid #667eea;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto 10px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .face-info {
            display: none;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 10px;
            margin-bottom: 15px;
        }

        .face-info.active {
            display: block;
        }

        .face-info h3 {
            color: #333;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .face-shape-badge {
            display: inline-block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .recommendations {
            display: none;
        }

        .recommendations.active {
            display: block;
        }

        .hairstyle-card {
            background: white;
            border: 2px solid #e0e0e0;
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 15px;
            transition: all 0.3s ease;
        }

        .hairstyle-card:hover {
            border-color: #667eea;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
        }

        .generated-image-container {
            margin: 15px 0;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .generated-image {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }

        .image-loading {
            width: 100%;
            height: 300px;
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: loading 1.5s infinite;
            border-radius: 10px;
        }

        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        .ai-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 11px;
            font-weight: bold;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .image-actions {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }

        .btn-image-action {
            flex: 1;
            padding: 8px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            background: white;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .btn-image-action:hover {
            background: #f8f9fa;
            border-color: #667eea;
        }

        .hairstyle-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            margin-bottom: 10px;
        }

        .hairstyle-title {
            flex: 1;
        }

        .hairstyle-title h4 {
            color: #333;
            font-size: 18px;
            margin-bottom: 5px;
        }

        .hairstyle-title p {
            color: #999;
            font-size: 14px;
        }

        .hairstyle-badge {
            background: #f0f0f0;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 12px;
            color: #666;
        }

        .hairstyle-description {
            color: #666;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .hairstyle-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            background: #e8eaf6;
            color: #667eea;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 12px;
        }

        .maintenance-info {
            display: flex;
            justify-content: space-around;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 10px;
            margin-top: 10px;
        }

        .info-item {
            text-align: center;
        }

        .info-item .label {
            color: #999;
            font-size: 12px;
            margin-bottom: 5px;
        }

        .info-item .value {
            color: #333;
            font-weight: bold;
        }

        .error-message {
            background: #fee;
            border: 1px solid #fcc;
            color: #c33;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
            display: none;
        }

        .error-message.active {
            display: block;
        }

        .language-switch {
            position: fixed;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.9);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        @media (max-width: 480px) {
            .section {
                margin: 10px;
                padding: 15px;
            }

            .header h1 {
                font-size: 20px;
            }
        }