@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    /* Premium Light Theme Colors */
    --bg-main: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-input: #f1f5f9;
    
    /* Elegant Accents */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #0ea5e9;
    --accent: #f43f5e;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    /* States */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Borders & Shadows */
    --border-color: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.04);
    --glow-primary: 0 4px 20px rgba(99, 102, 241, 0.3);
    --glow-secondary: 0 4px 20px rgba(14, 165, 233, 0.3);
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.04);
    
    /* Layout */
    --sidebar-width: 280px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .nav-item {
    font-family: 'Outfit', sans-serif;
}

/* Base Gradients for Background (Light Edition) */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, rgba(248, 250, 252, 0) 40%),
                radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.08) 0%, rgba(248, 250, 252, 0) 40%);
    z-index: -1;
    pointer-events: none;
}

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

/* ============================================
   Glassmorphism Sidebar (Light)
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: all 0.3s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.02);
}

.sidebar-header {
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-light);
}

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

.logo-icon {
    font-size: 36px;
    filter: drop-shadow(0 4px 6px rgba(99, 102, 241, 0.2));
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.08) 0%, transparent 100%);
    color: var(--primary);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.nav-icon {
    font-size: 22px;
}

.sidebar-footer {
    padding: 20px 24px;
    background: rgba(241, 245, 249, 0.5);
    border-top: 1px solid var(--border-light);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-height: 100vh;
    animation: fadeIn 0.5s ease-out;
}

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

.page-header {
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.page-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 16px;
}

/* ============================================
   Glassmorphism Cards (Light)
   ============================================ */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ============================================
   Stats Grid (Dashboard)
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-card);
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.1);
}

.stat-icon {
    font-size: 42px;
    margin-bottom: 16px;
    display: inline-block;
    padding: 12px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 42px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Forms & Inputs
   ============================================ */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

/* ============================================
   Tables & Lists
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    padding: 16px;
    text-align: left;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--bg-input);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: #059669; border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: #d97706; border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-error { background: rgba(239, 68, 68, 0.1); color: #dc2626; border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-primary { background: rgba(99, 102, 241, 0.1); color: #4f46e5; border: 1px solid rgba(99, 102, 241, 0.2); }
.badge-info { background: rgba(14, 165, 233, 0.1); color: #0284c7; border: 1px solid rgba(14, 165, 233, 0.2); }
.badge-secondary { background: var(--bg-input); color: var(--text-secondary); border: 1px solid var(--border-color); }

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-info { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.2); color: #2563eb; }
.alert-success { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.2); color: #059669; }
.alert-error { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.2); color: #dc2626; }

/* ============================================
   Masonry Grid (Images)
   ============================================ */
.masonry-grid {
    column-count: 3;
    column-gap: 24px;
}

@media (max-width: 1200px) { .masonry-grid { column-count: 2; } }
@media (max-width: 768px) { .masonry-grid { column-count: 1; } }

.masonry-item {
    break-inside: avoid;
    margin-bottom: 24px;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.masonry-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.masonry-item:hover img {
    transform: scale(1.05);
}

.masonry-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.masonry-item:hover .masonry-overlay {
    opacity: 1;
}

/* ============================================
   Kanban Board (Posts)
   ============================================ */
.kanban-board {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 20px;
}

.kanban-column {
    flex: 1;
    min-width: 320px;
    background: var(--bg-input);
    border-radius: var(--radius-lg);
    padding: 20px;
    border: 1px dashed var(--border-color);
}

.kanban-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.kanban-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: all 0.2s;
}

.kanban-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: 0 8px 15px rgba(0,0,0,0.05);
}

.kanban-img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

/* ============================================
   Platform Icons
   ============================================ */
.platform-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.platform-icon.facebook { background: #1877f2; }
.platform-icon.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

/* ============================================
   Loading & Helpers
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-input); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }