/* Root Variables */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #5855eb;
    --primary-light: #818cf8;
    --secondary: #64748b;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Dark Theme Colors */
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --bg-card: #1e1e1e;
    --bg-input: #2a2a2a;
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border: #374151;
    --border-light: #4b5563;
    --border-focus: var(--primary);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    /* 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;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--space-md);
}

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

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

/* Utility Classes */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    line-height: 1.4;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
}

.btn-large {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    font-size: var(--font-size-lg);
    margin-left: var(--space-xs);
    transition: var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(2px);
}

/* Button Loader */
.btn-loader {
    display: none;
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

.form-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    padding-left: 3rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.input-icon {
    position: absolute;
    left: var(--space-md);
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    z-index: 1;
}

.input-toggle {
    position: absolute;
    right: var(--space-md);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-lg);
    transition: var(--transition-fast);
}

.input-toggle:hover {
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

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

/* Responsive Design for Large Screens */
@media (min-width: 1600px) {
    .container,
    .hero-content,
    .features-grid,
    .footer-content {
        max-width: 1600px;
    }
    
    .section-description {
        max-width: 900px;
    }
    
    .pricing-cards {
        max-width: 1200px;
    }
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: var(--font-size-sm);
}

.checkbox {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    margin-right: var(--space-sm);
    position: relative;
    background: var(--bg-input);
    transition: var(--transition-fast);
}

.checkbox:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label {
    color: var(--text-secondary);
}

.checkbox-label a {
    color: var(--primary);
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
}

.alert-icon {
    font-size: var(--font-size-lg);
    margin-right: var(--space-sm);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--info);
}

/* Landing Page Styles */
.landing-page {
    background: var(--bg-primary);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: 120px var(--space-xl) var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.kiosk-mockup {
    position: relative;
    z-index: 2;
}

.screen-frame {
    width: 300px;
    height: 400px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.screen-content {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.camera-preview {
    width: 100%;
    height: 60%;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    opacity: 0.8;
}

.control-panel {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    transition: var(--transition-fast);
}

.control-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.kiosk-base {
    width: 200px;
    height: 100px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    margin-top: -20px;
    box-shadow: var(--shadow-lg);
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 30%;
    left: -5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .floating-elements {
        display: none;
    }
}

/* Sections */
section {
    padding: var(--space-3xl) var(--space-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    margin-bottom: var(--space-lg);
}

.icon-3d {
    display: inline-block;
    font-size: 3rem;
    padding: var(--space-lg);
    background: var(--gradient-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.feature-card:hover .icon-3d {
    transform: scale(1.1) rotateY(10deg);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Pricing */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    transition: var(--transition-normal);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.card-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.card-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary);
}

.period {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.card-features ul {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.card-features li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
}

.card-features li:first-child {
    color: var(--success);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

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

.footer-logo {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

.footer-brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

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

.footer-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

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

.social-link {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    filter: blur(40px);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: 7s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    bottom: 10%;
    left: 50%;
    animation-delay: 14s;
}

.auth-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--space-xl) var(--space-xl);
    gap: var(--space-2xl);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
}

.signup-card {
    max-width: 500px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.auth-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.auth-form {
    margin-bottom: var(--space-xl);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.forgot-link {
    font-size: var(--font-size-sm);
    color: var(--primary);
}

.auth-divider {
    text-align: center;
    position: relative;
    margin: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border);
    z-index: 1;
}

.auth-divider span {
    background: var(--bg-card);
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

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

.btn-social {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: var(--space-md);
    font-size: var(--font-size-sm);
}

.btn-social img {
    width: 20px;
    height: 20px;
}

.btn-social:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-light);
}

.auth-footer {
    text-align: center;
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.auth-link {
    color: var(--primary);
    font-weight: 500;
}

/* Plan Selector */
.plan-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.plan-option {
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.plan-option:hover {
    border-color: var(--primary);
}

.plan-option.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.plan-option.popular::before {
    content: 'Most Popular';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.plan-badge {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.plan-header input[type="radio"] {
    display: none;
}

.plan-header label {
    display: block;
    cursor: pointer;
}

.plan-header h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

.plan-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.plan-features {
    margin-top: var(--space-md);
}

.plan-features ul {
    list-style: none;
}

.plan-features li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

/* Password Strength */
.password-strength {
    margin-top: var(--space-sm);
}

.strength-bar {
    height: 4px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.strength-0 { background: var(--error); }
.strength-1 { background: var(--error); }
.strength-2 { background: var(--warning); }
.strength-3 { background: var(--info); }
.strength-4 { background: var(--success); }

.strength-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    display: block;
}

/* Demo Card */
.demo-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    width: 100%;
    max-width: 300px;
    margin-top: var(--space-xl);
}

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

.demo-header h3 {
    font-size: var(--font-size-lg);
    margin: 0;
}

.demo-badge {
    background: var(--warning);
    color: var(--bg-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.demo-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-family: monospace;
}

@media (max-width: 768px) {
    .auth-content {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-lg);
    }
    
    .plan-selector {
        grid-template-columns: 1fr;
    }
    
    .social-login {
        grid-template-columns: 1fr;
    }
    
    .demo-card {
        max-width: 100%;
        margin-top: 0;
    }
}

/* Dashboard Styles */
.dashboard-page {
    background: var(--bg-primary);
    min-height: 100vh;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.dashboard-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition-normal);
}

.dashboard-sidebar.collapsed {
    width: 80px;
}

.sidebar-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border);
}

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

.sidebar-nav {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--space-xl);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    display: block;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: var(--space-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    text-decoration: none;
}

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

.nav-item.active .nav-link {
    background: var(--primary);
    color: white;
}

.nav-icon {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.nav-text {
    font-weight: 500;
}

.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
}

.user-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.user-plan {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

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

.logout-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    text-decoration: none;
    font-size: var(--font-size-lg);
}

.logout-btn:hover {
    background: var(--bg-tertiary);
    color: var(--error);
}

/* Main Content */
.dashboard-main {
    flex: 1;
    margin-left: 280px;
    transition: var(--transition-normal);
}

.dashboard-sidebar.collapsed + .dashboard-main {
    margin-left: 80px;
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

.header-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
    font-size: var(--font-size-lg);
}

.header-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--error);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Tab Content */
.tab-content {
    display: none;
    padding: var(--space-xl);
}

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

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    gap: var(--space-xl);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.stat-icon {
    font-size: var(--font-size-3xl);
    width: 60px;
    height: 60px;
    background: var(--gradient-glass);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.stat-trend {
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

.stat-trend.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-trend.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

/* Quick Actions */
.quick-actions {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.action-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    color: var(--text-secondary);
}

.action-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.action-icon {
    font-size: var(--font-size-2xl);
    width: 40px;
    text-align: center;
}

.action-text {
    font-weight: 500;
}

/* Recent Activity */
.recent-activity {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

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

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
    border-left: 3px solid transparent;
    transition: var(--transition-fast);
}

.activity-item:hover {
    background: var(--bg-tertiary);
}

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.activity-icon.status-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.activity-icon.status-failed {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.activity-icon.status-registered {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.activity-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
}

.activity-time {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.activity-status {
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.activity-status.status-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.activity-status.status-failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.activity-status.status-registered {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
}

.empty-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-text {
    font-size: var(--font-size-lg);
}

/* Profile Section */
.profile-section {
    max-width: 1000px;
}

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-description {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin: var(--space-sm) 0 0 0;
}

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

.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.profile-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.profile-form .form-group:last-of-type {
    margin-bottom: var(--space-xl);
}

/* Coming Soon */
.coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    min-height: 400px;
}

.coming-soon-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.coming-soon h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
}

.coming-soon p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    max-width: 400px;
    margin: 0;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .dashboard-sidebar.active {
        transform: translateX(0);
    }
    
    .dashboard-main {
        margin-left: 0;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        padding: var(--space-md);
    }
    
    .tab-content {
        padding: var(--space-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .header-right .welcome-text {
        display: none;
    }
    
    .activity-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .activity-status {
        align-self: flex-end;
    }
}

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

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

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

/* Apply animations */
.tab-content.active {
    animation: fadeIn 0.3s ease;
}

.nav-item.active .nav-link {
    animation: slideIn 0.3s ease;
}

.notification-badge {
    animation: pulse 2s infinite;
}

/* Focus styles for accessibility */
.btn:focus,
.form-input:focus,
.nav-link:focus,
.action-card:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #666666;
        --border-light: #888888;
        --text-secondary: #cccccc;
        --text-muted: #aaaaaa;
    }
}

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

/* Print styles */
@media print {
    .dashboard-sidebar,
    .dashboard-header,
    .btn,
    .alert {
        display: none !important;
    }
    
    .dashboard-main {
        margin-left: 0 !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}