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

:root {
    --admin-bg: #0f172a; /* Slate 900 */
    --admin-card: #1e293b; /* Slate 800 */
    --admin-text: #f8fafc; /* Slate 50 */
    --admin-text-muted: #94a3b8; /* Slate 400 */
    --admin-border: #334155; /* Slate 700 */
    --admin-primary: #16A085; /* Brand Green */
    --admin-primary-hover: #12876f;
    --admin-danger: #ef4444; /* Red 500 */
    --admin-warning: #f59e0b; /* Amber 500 */
    --admin-sidebar-width: 280px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--admin-bg);
    color: var(--admin-text);
    margin: 0;
    overflow-x: hidden;
}

/* Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background-color: var(--admin-card);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
    transition: transform 0.3s ease;
}

.admin-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--admin-text-muted);
    font-weight: 600;
    margin-top: 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--admin-text);
    text-decoration: none;
    transition: all 0.2s;
    gap: 0.75rem;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(22, 160, 133, 0.1);
    color: var(--admin-primary);
    border-right: 3px solid var(--admin-primary);
}

.nav-item i {
    font-size: 1.25rem;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.admin-topbar {
    height: 70px;
    background-color: var(--admin-card);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 40;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.admin-profile-pill {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: 9999px;
    background-color: var(--admin-bg);
    border: 1px solid var(--admin-border);
}

.admin-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Content Area */
.admin-content {
    padding: 2rem;
    flex: 1;
}

/* Cards */
.admin-card {
    background-color: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: 12px;
    padding: 1.5rem;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background: rgba(22, 160, 133, 0.1); color: var(--admin-primary); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--admin-warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.1); color: var(--admin-danger); }
.stat-icon.info { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }

/* Responsive */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--admin-text);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
    }
    .mobile-menu-btn {
        display: block;
    }
    .admin-content {
        padding: 1rem;
    }
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 45;
    backdrop-filter: blur(4px);
}
.sidebar-backdrop.show {
    display: block;
}