/* ============================================
   FatCat Cyber Team - Image Prompt Generator
   Modern Glassmorphism Design System
   ============================================ */

/* CSS Variables - Light/Dark Theme */
:root {
    /* Colors - Light */
    --bg-primary-light: #f8fafc;
    --bg-secondary-light: #ffffff;
    --bg-tertiary-light: #f1f5f9;
    --text-primary-light: #0f172a;
    --text-secondary-light: #475569;
    --text-tertiary-light: #94a3b8;
    --border-light: rgba(148, 163, 184, 0.2);
    --shadow-light: rgba(0, 0, 0, 0.08);
    --glass-bg-light: rgba(255, 255, 255, 0.7);
    --glass-border-light: rgba(255, 255, 255, 0.5);

    /* Colors - Dark */
    --bg-primary-dark: #0a0a0f;
    --bg-secondary-dark: #12121a;
    --bg-tertiary-dark: #1a1a25;
    --text-primary-dark: #f8fafc;
    --text-secondary-dark: #cbd5e1;
    --text-tertiary-dark: #64748b;
    --border-dark: rgba(148, 163, 184, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.4);
    --glass-bg-dark: rgba(18, 18, 26, 0.7);
    --glass-border-dark: rgba(255, 255, 255, 0.08);

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.4);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* Theme Application */
[data-theme="light"] {
    --bg-primary: var(--bg-primary-light);
    --bg-secondary: var(--bg-secondary-light);
    --bg-tertiary: var(--bg-tertiary-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --text-tertiary: var(--text-tertiary-light);
    --border: var(--border-light);
    --shadow: var(--shadow-light);
    --glass-bg: var(--glass-bg-light);
    --glass-border: var(--glass-border-light);
}

[data-theme="dark"] {
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-tertiary: var(--bg-tertiary-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-tertiary: var(--text-tertiary-dark);
    --border: var(--border-dark);
    --shadow: var(--shadow-dark);
    --glass-bg: var(--glass-bg-dark);
    --glass-border: var(--glass-border-dark);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px var(--shadow);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    font-size: 1.125rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.icon-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.nav-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    min-width: 160px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.language-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown button {
    display: block;
    width: 100%;
    padding: var(--space-md);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lang-dropdown button:hover {
    background: var(--bg-tertiary);
}

.lang-dropdown button:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.lang-dropdown button:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.125rem;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
}

[data-theme="light"] .theme-icon.dark,
[data-theme="dark"] .theme-icon.light {
    display: none;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 30%, transparent 70%, var(--bg-primary) 100%);
    opacity: 0.9;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Section Styles */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Generator Section */
.generator {
    background: var(--bg-secondary);
}

.generator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

/* Upload Panel */
.upload-panel {
    padding: var(--space-xl);
}

.upload-area {
    position: relative;
    min-height: 320px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.upload-area.drag-over {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
}

.upload-icon {
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
}

.upload-placeholder h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.upload-placeholder p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.upload-formats {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.upload-preview {
    position: relative;
    width: 100%;
    height: 100%;
}

.upload-preview img {
    width: 100%;
    height: 320px;
    object-fit: contain;
    background: var(--bg-tertiary);
}

.remove-image {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--error);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.remove-image:hover {
    transform: scale(1.1);
}

.upload-loading {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.upload-loading.active {
    display: flex;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

.upload-actions {
    margin-top: var(--space-lg);
}

/* Output Panel */
.output-panel {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.output-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.output-actions {
    display: flex;
    gap: var(--space-sm);
}

.output-content {
    flex: 1;
    min-height: 320px;
}

.output-empty {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    text-align: center;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.variations-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tab-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab-btn.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

.prompt-display {
    margin-bottom: var(--space-md);
}

#promptText {
    width: 100%;
    min-height: 180px;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

#promptText:focus {
    border-color: var(--accent-primary);
}

.prompt-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-full);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 500;
}

.prompt-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.prompt-actions .btn {
    flex: 1;
    min-width: 100px;
}

/* Analysis Panel */
.analysis-panel {
    padding: var(--space-xl);
}

.analysis-panel h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

.analysis-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.analysis-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.analysis-value {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Features Section */
.features {
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    text-align: center;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.about-mission {
    padding: var(--space-2xl);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-mission h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.about-mission p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-lg);
}

.team-card {
    padding: var(--space-xl);
    text-align: center;
    transition: transform var(--transition-base);
}

.team-card:hover {
    transform: translateY(-4px);
}

.team-avatar {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-md);
}

.team-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.team-card span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-tertiary);
}

.contact-details a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    font-size: 0.875rem;
}

.contact-form {
    padding: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-brand img {
    width: 32px;
    height: 32px;
}

.footer-brand span {
    font-weight: 600;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--success);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: var(--z-toast);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    font-weight: 600;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.history-item {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.history-item:hover {
    background: var(--border);
}

.history-item-text {
    font-size: 0.875rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.history-item-date {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.history-empty {
    text-align: center;
    color: var(--text-tertiary);
    padding: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .generator-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        padding: var(--space-lg);
        gap: var(--space-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

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

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

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

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

/* RTL Support for Arabic */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .nav-actions {
    flex-direction: row-reverse;
}

[dir="rtl"] .hero-cta {
    flex-direction: row-reverse;
}

[dir="rtl"] .upload-actions,
[dir="rtl"] .prompt-actions {
    flex-direction: row-reverse;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}