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

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --card-bg-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --code-bg: #0d1117;
    --code-text: #e6edf3;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

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

.header {
    background: var(--gradient-primary);
    color: white;
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo h1 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.logo h1 span {
    font-weight: 300;
}

.logo p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.nav-tabs {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.nav-tab {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-tab.active {
    background: white;
    color: #3b82f6;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.main-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.builder-section h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.platform-selector {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.platform-selector label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.platform-selector label:hover {
    border-color: var(--primary-color);
    background: var(--card-bg-hover);
}

.platform-selector input:checked + span {
    font-weight: 600;
    color: var(--primary-color);
}

.platform-selector input[type="radio"] {
    accent-color: var(--primary-color);
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.input-group input[type="text"],
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-color);
    color: var(--text-primary);
}

.input-group input[type="text"]:focus,
.input-group textarea:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--card-bg);
}

.risk-management {
    background: var(--card-bg-hover);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.risk-management h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.risk-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 600;
}

.risk-inputs {
    display: flex;
    gap: 10px;
}

.risk-inputs input {
    flex: 2;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
}

.risk-inputs select {
    flex: 1;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-icon {
    font-size: 1.2rem;
}

.code-output {
    margin-top: 40px;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

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

.code-output pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    max-height: 500px;
    overflow-y: auto;
}

.error-fix-section {
    margin-top: 30px;
    padding: 20px;
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
}

.error-fix-section h4 {
    margin-bottom: 10px;
    color: #92400e;
}

.error-fix-section p {
    color: #78350f;
    margin-bottom: 10px;
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.template-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.template-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.template-card h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.template-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.visual-builder-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
}

.blocks-palette {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    height: fit-content;
}

.blocks-palette h3 {
    margin-bottom: 15px;
}

.block-item {
    background: white;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 6px;
    border: 2px solid var(--border-color);
    cursor: move;
    transition: all 0.3s ease;
}

.block-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.builder-canvas {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
}

.canvas-area {
    min-height: 400px;
    background: white;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.canvas-placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: 100px 20px;
}

.library-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.library-controls select {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.library-list {
    display: grid;
    gap: 15px;
}

.library-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.library-item-info h4 {
    margin-bottom: 5px;
    color: var(--text-primary);
}

.library-item-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.library-item-meta {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
}

.modal-content h3 {
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--text-primary);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 1001;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.toast.error {
    background: var(--danger-color);
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.pricing-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: var(--gradient-secondary);
}

.pricing-card.featured::before {
    content: "BEST VALUE";
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--warning-color);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 20px 0;
}

.pricing-card .price-detail {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.pricing-card ul {
    list-style: none;
    margin: 30px 0;
}

.pricing-card li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.pricing-card li:last-child {
    border-bottom: none;
}

.pricing-card li::before {
    content: "✓ ";
    color: var(--success-color);
    font-weight: bold;
    margin-right: 10px;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.content-section {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.content-section p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.disclaimer-section {
    margin-bottom: 30px;
}

.disclaimer-section h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.back-link {
    display: inline-block;
    margin: 20px 0;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary-hover);
    transform: translateX(-5px);
}

.success-icon {
    text-align: center;
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

/* Chat Interface Styles */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 600px;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-message {
    display: flex;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-content {
    max-width: 75%;
    padding: 15px;
    border-radius: 12px;
    line-height: 1.6;
}

.chat-message.assistant .message-content {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.chat-message.user .message-content {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    margin-left: auto;
}

.message-content code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.message-content pre {
    background: var(--code-bg);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}

.message-content ul, .message-content ol {
    margin-left: 20px;
    margin-top: 10px;
}

.chat-input-container {
    border-top: 1px solid var(--border-color);
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
}

.chat-input-container textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-primary);
    font-size: 15px;
    resize: vertical;
    font-family: inherit;
    margin-bottom: 10px;
}

.chat-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Floating Chat Widget */
.floating-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 380px;
    max-height: 600px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.chat-widget-header {
    background: var(--gradient-primary);
    padding: 15px 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.chat-badge {
    background: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
}

.chat-widget-content {
    display: flex;
    flex-direction: column;
    height: 500px;
}

.chat-widget-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-widget-input {
    border-top: 1px solid var(--border-color);
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.chat-widget-input textarea {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    font-family: inherit;
}

.chat-widget-input button {
    padding: 10px 20px;
    min-width: auto;
}

.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 15px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .visual-builder-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-tabs {
        justify-content: center;
    }
    
    .platform-selector {
        flex-direction: column;
    }
    
    .code-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .floating-chat-widget {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
    }
    
    .message-content {
        max-width: 90%;
    }
    
    .chat-container {
        height: 500px;
    }
}