/* bbHappy Admin - Base Styles */
/* iOS-like / Liquid Glass Design */

@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Display:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Colors - Light Theme */
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: rgba(255, 255, 255, 0.7);
    
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-muted: #86868b;
    
    --color-primary: #007aff;
    --color-primary-light: rgba(0, 122, 255, 0.12);
    --color-primary-dark: #0056b3;
    
    --color-success: #34c759;
    --color-success-light: rgba(52, 199, 89, 0.12);
    
    --color-warning: #ff9500;
    --color-warning-light: rgba(255, 149, 0, 0.12);
    
    --color-error: #ff3b30;
    --color-error-light: rgba(255, 59, 48, 0.12);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.12);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.06);
    
    /* Blur */
    --blur-glass: 20px;
    --blur-subtle: 8px;
    
    /* Spacing */
    --sidebar-width: 260px;
    --nav-height: 64px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
}

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

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

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875em;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-area {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 1400px;
}

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin: 0;
}

.page-header .btn {
    flex-shrink: 0;
}

.page-header .header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header .header-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.back-link {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

@media (max-width: 640px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-header .btn {
        width: 100%;
    }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.stat-icon.accent-green {
    background: var(--color-success-light);
    color: var(--color-success);
}

.stat-icon.accent-orange {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.stat-icon.accent-red {
    background: var(--color-error-light);
    color: var(--color-error);
}

.stat-icon.accent-blue {
    background: rgba(0, 122, 255, 0.12);
    color: #007aff;
}

.stat-icon.accent-purple {
    background: rgba(175, 82, 222, 0.12);
    color: #af52de;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.2;
}

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

/* Quick Actions */
.quick-actions {
    margin-top: 2rem;
    padding: 1.5rem;
}

.quick-actions h2 {
    margin-bottom: 1rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    text-align: center;
}

.action-btn:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.action-btn span {
    font-size: 0.875rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.badge-info {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-secondary {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
}

.badge-draft {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state i {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Utilities */
.text-muted {
    color: var(--text-muted);
}

/* Auth Page */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.auth-card {
    padding: 2.5rem;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo .logo-icon {
    font-size: 3rem;
}

.auth-logo h1 {
    font-size: 1.5rem;
    margin-top: 0.5rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Alert */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.alert-error {
    background: var(--color-error-light);
    color: var(--color-error);
}

/* Responsive */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
    }
    
    .sidebar {
        transform: translateX(-100%);
        position: fixed;
        z-index: 1000;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .content-area {
        padding: 1rem;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}