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

:root {
    /* Colors */
    --bg-main: #0B0E14; /* Deep dark background */
    --bg-sidebar: #12161E; /* Slightly lighter sidebar */
    --bg-card: #1C212B; /* Card background */
    --bg-hover: #262D3B; /* Hover state */
    
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Accents */
    --accent-primary: #3B82F6; /* Blue */
    --accent-primary-hover: #2563EB;
    
    --accent-success: #10B981; /* Green WhatsApp */
    --accent-warning: #F59E0B; /* Orange */
    --accent-danger: #EF4444; /* Red */
    
    --accent-instagram: #D946EF; /* Fuchsia for IG */
    --accent-tiktok: #000000; /* Tiktok black, invert text */

    /* Gradients */
    --grad-primary: linear-gradient(135deg, #3B82F6, #8B5CF6);
    
    /* Layout */
    --sidebar-width: 260px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-color: #2D3748;
}

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

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    padding: 24px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 32px;
    height: 32px;
    background: var(--grad-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #fff;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    font-weight: 500;
}

.sidebar-link:hover, .sidebar-link.active {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-link i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 2px solid var(--border-color);
}

/* Cards & Containers */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
}

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

.btn-gradient:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: translateY(-1px);
}

/* Utils */
.flex-row { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* Dashboard Grids */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Tables */
.table-container {
    overflow-x: auto;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--bg-hover);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-whatsapp { background-color: rgba(16, 185, 129, 0.1); color: var(--accent-success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-instagram { background-color: rgba(217, 70, 239, 0.1); color: var(--accent-instagram); border: 1px solid rgba(217, 70, 239, 0.2); }
.badge-tiktok { background-color: #333; color: white; border: 1px solid #555; }

/* Forms */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-control {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

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

.animate-fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}