/* CutArc AI Generate - Standalone Styles */

:root {
    --bg: #0a0f1a;
    --surface: #111827;
    --border: #1f2937;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #6366f1;
    --text: #f9fafb;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --success: #22c55e;
    --error: #ef4444;
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--surface);
    border-color: var(--text-muted);
}

.btn-text {
    background: transparent;
    color: var(--primary);
    padding: 8px 16px;
}

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

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

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 15, 26, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
}

.nav-logo svg {
    width: 32px;
    height: 32px;
}

.nav-logo .highlight {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero */
.hero {
    padding: 140px 24px 80px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Generator Card */
.generator-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    text-align: left;
}

.generator-mode-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.mode-tab {
    flex: 1;
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.mode-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.mode-tab:hover {
    color: var(--text);
}

.photo-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 24px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    color: var(--text-muted);
    text-align: center;
}
.photo-upload-area:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.05);
}
.photo-upload-area p {
    margin: 0;
    font-size: 0.95rem;
}
.photo-upload-hint {
    font-size: 0.8rem !important;
    color: var(--text-dim) !important;
}
.photo-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.photo-preview img {
    max-width: 120px;
    max-height: 80px;
    border-radius: 8px;
    object-fit: cover;
}

.generator-input-wrap {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.generator-input-wrap textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.2s;
}

.generator-input-wrap textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.generator-input-wrap textarea::placeholder {
    color: var(--text-dim);
}

.btn-generate {
    align-self: flex-end;
    padding: 14px 28px;
}

.btn-generate .btn-text {
    color: white;
    background: transparent;
    padding: 0;
}

.btn-generate .btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.generator-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.credits-display {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.credits-display svg {
    color: var(--success);
}

.get-credits-link {
    font-size: 0.9rem;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    padding: 0;
}

.get-credits-link:hover {
    text-decoration: underline;
}

/* Credit Packs */
.credit-packs {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.credit-pack {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 100px;
    position: relative;
}

.credit-pack:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pack-credits {
    font-weight: 600;
    color: var(--text);
}

.pack-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.pack-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary);
    color: white;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* Result Card */
.result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.result-header h3 {
    font-size: 1.2rem;
}

.result-preview {
    background: white;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    margin-bottom: 20px;
}

.result-preview img {
    max-width: 100%;
    max-height: 400px;
}

.result-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.result-promo {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.result-promo p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.promo-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.promo-links .divider {
    color: var(--border);
}

/* Examples Section */
.examples {
    padding: 80px 24px;
    background: var(--bg);
}

.examples h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 12px;
}

.examples-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.example-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.example-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.example-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: white;
}

.example-prompt {
    display: block;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
}

@media (max-width: 900px) {
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .examples-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
}

/* Use Cases */
.use-cases {
    padding: 80px 24px;
    background: var(--surface);
}

.use-cases h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.use-case-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: border-color 0.2s;
}

.use-case-card:hover {
    border-color: var(--primary);
}

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.use-case-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.use-case-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* How It Works */
.how-it-works {
    padding: 80px 24px;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Pricing */
.pricing {
    padding: 80px 24px;
    background: var(--surface);
}

.pricing h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 12px;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}
.pricing-grid-2 {
    max-width: 700px;
    grid-template-columns: repeat(2, 1fr);
}

.pricing-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    position: relative;
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
}

.price .period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pricing-features .check {
    color: var(--success);
    font-weight: bold;
}

/* CTA */
.cta {
    padding: 80px 24px;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.cta p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Footer */
.footer {
    padding: 64px 24px 32px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto 48px;
}

.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
}

.footer-links h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--text);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text);
}

.modal-content h2 {
    margin-bottom: 12px;
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }

    .hero {
        padding: 120px 16px 60px;
    }

    .generator-input-wrap {
        flex-direction: column;
    }

    .btn-generate {
        align-self: stretch;
    }

    .generator-footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }
}