:root {
            --primary: #7c3aed;
            --primary-dark: #6d28d9;
            --secondary: #ec4899;
            --secondary-dark: #db2777;
            --dark: #1f2937;
            --light: #f9fafb;
            --gray: #6b7280;
            --gray-light: #e5e7eb;
            --premium-gold: #f59e0b;
            --success: #10b981;
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 12px;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f3e8ff 0%, #f0f9ff 100%);
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header & Premium Badge */
        header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 10px;
        }

        .logo i {
            font-size: 2.8rem;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .logo-text {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .premium-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #78350f;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 10px;
            box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
        }

        .tagline {
            color: var(--gray);
            font-size: 1.1rem;
            margin-top: 10px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Main Layout */
        .main-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }

        /* Cards */
        .input-card, .results-card, .ai-analysis-card, .templates-card {
            background: white;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            height: fit-content;
        }

        .input-card {
            border-top: 5px solid var(--primary);
        }

        .results-card {
            border-top: 5px solid var(--secondary);
        }

        .ai-analysis-card {
            border-top: 5px solid var(--success);
        }

        .templates-card {
            border-top: 5px solid var(--premium-gold);
        }

        .card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--gray-light);
        }

        .card-header i {
            font-size: 1.8rem;
            color: var(--primary);
        }

        .card-title {
            font-size: 1.5rem;
            font-weight: 700;
        }

        /* Input Section */
        .input-group {
            margin-bottom: 25px;
        }

        .input-label {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
        }

        .input-label i {
            color: var(--primary);
        }

        textarea, select, input {
            width: 100%;
            padding: 14px;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
            resize: vertical;
        }

        textarea:focus, select:focus, input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

        textarea {
            min-height: 120px;
            font-family: inherit;
        }

        /* Keywords Input */
        .keywords-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .keyword {
            background: var(--primary);
            color: white;
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .keyword-remove {
            cursor: pointer;
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .keyword-remove:hover {
            opacity: 1;
        }

        .keyword-input-container {
            display: flex;
            gap: 10px;
        }

        .keyword-input-container input {
            flex: 1;
        }

        .add-keyword-btn {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            padding: 0 20px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

        .add-keyword-btn:hover {
            background: var(--primary-dark);
        }

        /* Style Options */
        .style-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 10px;
        }

        @media (max-width: 768px) {
            .style-options {
                grid-template-columns: 1fr;
            }
        }

        .style-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            cursor: pointer;
            transition: var(--transition);
        }

        .style-option:hover {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.05);
        }

        .style-option.active {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.1);
        }

        .style-option i {
            font-size: 1.2rem;
            color: var(--primary);
        }

        /* Generate Button */
        .generate-btn {
            width: 100%;
            padding: 18px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }

        .generate-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.2);
        }

        .generate-btn:active {
            transform: translateY(0);
        }

        /* Results Card */
        .results-card .card-header i {
            color: var(--secondary);
        }

        .results-count {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding: 15px;
            background: rgba(124, 58, 237, 0.05);
            border-radius: var(--radius);
        }

        .results-actions {
            display: flex;
            gap: 10px;
        }

        .action-btn {
            background: white;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            padding: 8px 15px;
            cursor: pointer;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .action-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .action-btn.copy:hover {
            border-color: var(--success);
            color: var(--success);
        }

        .titles-container {
            max-height: 500px;
            overflow-y: auto;
            padding-right: 10px;
        }

        .title-item {
            background: white;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 15px;
            transition: var(--transition);
            position: relative;
        }

        .title-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .title-text {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
            line-height: 1.4;
        }

        .title-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: var(--gray);
        }

        .title-type {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .title-actions {
            display: flex;
            gap: 10px;
        }

        .title-action-btn {
            background: none;
            border: none;
            color: var(--gray);
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 5px;
        }

        .title-action-btn:hover {
            color: var(--primary);
        }

        .title-action-btn.copy:hover {
            color: var(--success);
        }

        .title-action-btn.like:hover {
            color: var(--secondary);
        }

        /* AI Analysis Card */
        .ai-analysis-card .card-header i {
            color: var(--success);
        }

        .ai-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--success);
            color: white;
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ai-insights {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .ai-insights {
                grid-template-columns: 1fr;
            }
        }

        .insight-item {
            background: rgba(16, 185, 129, 0.05);
            padding: 20px;
            border-radius: var(--radius);
            border-left: 4px solid var(--success);
        }

        .insight-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
        }

        .insight-title i {
            color: var(--success);
        }

        .insight-content {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* Templates Card */
        .templates-card .card-header i {
            color: var(--premium-gold);
        }

        .templates-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        @media (max-width: 768px) {
            .templates-grid {
                grid-template-columns: 1fr;
            }
        }

        .template-card {
            background: white;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            padding: 20px;
            cursor: pointer;
            transition: var(--transition);
        }

        .template-card:hover {
            border-color: var(--premium-gold);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.1);
        }

        .template-icon {
            width: 50px;
            height: 50px;
            background: rgba(245, 158, 11, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .template-icon i {
            font-size: 1.5rem;
            color: var(--premium-gold);
        }

        .template-name {
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .template-desc {
            font-size: 0.9rem;
            color: var(--gray);
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--dark);
            color: white;
            padding: 15px 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 1000;
            transform: translateY(100px);
            opacity: 0;
            transition: var(--transition);
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        .toast.success {
            background: var(--success);
        }

        .toast i {
            font-size: 1.2rem;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 30px 0;
            color: var(--gray);
            font-size: 0.9rem;
            border-top: 1px solid var(--gray-light);
            margin-top: 40px;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin-top: 15px;
        }

        .footer-links a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            text-decoration: underline;
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            .logo-text {
                font-size: 2rem;
            }
            
            .input-card, .results-card, .ai-analysis-card, .templates-card {
                padding: 20px;
            }
            
            .results-count {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 10px;
            }
        }

        @media (max-width: 480px) {
            .logo {
                flex-direction: column;
                gap: 5px;
            }
            
            .main-content {
                gap: 20px;
            }
            
            .card-header {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            
            .title-meta {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
            
            .title-actions {
                align-self: flex-end;
            }
        }