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

:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --bg-hover: #242424;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    
    --accent-primary: #00ff88;
    --accent-secondary: #00cc6a;
    --accent-tertiary: #009950;
    
    --border-color: #2a2a2a;
    --border-light: #3a3a3a;
    
    --gradient-primary: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container.narrow {
    max-width: 1200px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: none;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.logo-icon {
    font-size: 1.8rem;
    color: var(--accent-primary);
    margin-right: var(--spacing-xs);
}

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

.tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link.active {
    color: var(--accent-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-primary);
}

/* Navigation Auth Section */
.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-login {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.nav-signup {
    background: var(--gradient-primary);
    color: var(--bg-primary) !important;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 136, 0.3);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 32px;
    height: 32px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

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

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

/* Main Content */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 900px;
    min-height: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: visible;
}

.auth-branding {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.auth-branding::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
}

.auth-branding-content {
    position: relative;
    z-index: 1;
}

.auth-branding .logo {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
}

.auth-branding .logo-icon {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-right: var(--spacing-sm);
}

.auth-branding h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.auth-branding p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.auth-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.auth-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-features li::before {
    content: '✅';
    font-size: 1.2rem;
    flex-shrink: 0;
}

.auth-form-section {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow-y: auto;
    min-height: 600px;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.auth-header p {
    color: var(--text-secondary);
}

.social-auth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    min-height: 42px;
    transition: all var(--transition-fast);
}

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

.social-btn.google {
    background-color: #fff;
    color: #333;
}

.social-btn.apple {
    background-color: #000;
    color: #fff;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-tertiary);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.auth-divider span {
    margin: 0 var(--spacing-md);
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

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

.form-group.compact {
    margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    width: 100%;
    min-height: 44px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

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

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

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
}

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

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.pricing-period {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

/* Page Layouts */
.page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.page-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

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

.page-content {
    padding: var(--spacing-2xl) 0;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-secondary);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4,
.footer-section h5 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--accent-primary);
}

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

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--bg-hover);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

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

/* Responsive - Tablets */
@media (max-width: 1024px) {
    .auth-card {
        max-width: 800px;
        grid-template-columns: 1fr;
    }
    
    .auth-branding {
        padding: var(--spacing-2xl);
        text-align: center;
    }
    
    .auth-branding h2 {
        font-size: 1.75rem;
    }
    
    .auth-form-section {
        padding: var(--spacing-2xl);
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: var(--spacing-sm);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    /* Auth pages responsive */
    .auth-container {
        padding: var(--spacing-md);
        align-items: flex-start;
        padding-top: var(--spacing-xl);
    }
    
    .auth-card {
        max-width: 100%;
        margin: 0;
        grid-template-columns: 1fr;
    }
    
    .auth-branding {
        padding: var(--spacing-xl) var(--spacing-lg);
        text-align: center;
        order: 2;
    }
    
    .auth-branding .logo {
        font-size: 2rem;
        justify-content: center;
    }
    
    .auth-branding h2 {
        font-size: 1.5rem;
    }
    
    .auth-form-section {
        padding: var(--spacing-xl) var(--spacing-lg);
        min-height: auto;
        overflow-y: visible;
        order: 1;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .social-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .social-btn .btn-text {
        display: none;
    }
    
    .social-auth {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-input {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}