:root {
    --admin-bg: #F0F2F5;
    --sidebar-bg: #0F172A;
    --card-bg: #FFFFFF;
    --primary: #14B8A6;
    --primary-light: rgba(20, 184, 166, 0.1);
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border: rgba(0,0,0,0.05);
    --radius: 16px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--admin-bg);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: white;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
}
.sidebar-logo span { color: var(--primary); }

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 8px;
    transition: 0.3s;
    font-weight: 600;
    font-size: 0.9rem;
}

.menu-item:hover, .menu-item.active {
    background: rgba(255,255,255,0.05);
    color: white;
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
}

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

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

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

/* Data Table */
.data-table-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

th {
    background: #F8FAFC;
    padding: 16px 24px;
    text-align: left;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-pending { background: #FFF7ED; color: #EA580C; }
.status-confirmed { background: #F0FDF4; color: #16A34A; }
.btn-action {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: 0.3s;
}
.btn-action:hover { color: var(--primary); }

@media (max-width: 1024px) {
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 20px; }
}