/* ========================================
   ADMIN PANEL STYLES
   ======================================== */

:root {
    --primary: #1a2a4a;
    --secondary: #2563eb;
    --accent: #1e40af;
    --white: #ffffff;
    --light-bg: #f5f7fa;
    --text-dark: #333333;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --sidebar-width: 260px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--light-bg);
    color: var(--text-dark);
}

h1,h2,h3,h4,h5,h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--primary);
}

/* ---- LOGIN PAGE ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
}
.login-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.login-card h3 {
    text-align: center;
    margin-bottom: 30px;
}

/* ---- SIDEBAR ---- */
.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--primary);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: all 0.3s;
}
.admin-sidebar::-webkit-scrollbar { width: 5px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }
.admin-sidebar::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.4); }
.sidebar-brand {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-brand h5 {
    color: var(--white);
    font-size: 1rem;
    margin: 0;
}
.sidebar-brand small {
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
}
.sidebar-nav {
    list-style: none;
    padding: 15px 0;
}
.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: rgba(255,255,255,0.08);
    color: var(--white);
    border-left-color: var(--secondary);
}
.sidebar-nav li a i {
    width: 24px;
    margin-right: 10px;
    text-align: center;
}
.sidebar-divider {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 10px 20px;
}

/* ---- MAIN CONTENT ---- */
.admin-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}
.admin-topbar {
    background: var(--white);
    padding: 15px 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-topbar h4 {
    margin: 0;
    font-size: 1.1rem;
}
.admin-content {
    padding: 30px;
}

/* ---- CARDS ---- */
.stat-card {
    background: var(--white);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-3px); }
.stat-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
}
.stat-card .icon.blue { background: rgba(37,99,235,0.1); color: var(--secondary); }
.stat-card .icon.green { background: rgba(22,163,74,0.1); color: #16a34a; }
.stat-card .icon.orange { background: rgba(234,88,12,0.1); color: #ea580c; }
.stat-card .icon.purple { background: rgba(124,58,237,0.1); color: #7c3aed; }
.stat-card .info h3 { font-size: 1.5rem; margin: 0; }
.stat-card .info p { margin: 0; color: var(--text-muted); font-size: 0.85rem; }

/* ---- TABLE CARD ---- */
.table-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.table-card .card-header {
    background: var(--white);
    padding: 20px 25px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.table-card .card-header h5 {
    margin: 0;
    font-size: 1.05rem;
}
.table-card .card-body {
    padding: 0;
}
.table-card .table {
    margin: 0;
}
.table-card .table th {
    background: var(--light-bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 20px;
    border: none;
}
.table-card .table td {
    padding: 12px 20px;
    vertical-align: middle;
    border-color: var(--border);
    font-size: 0.9rem;
}
.table-card .table img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
}

/* ---- FORM CARD ---- */
.form-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 30px;
}
.form-card .form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-dark);
}
.form-card .form-control,
.form-card .form-select {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
}
.form-card .form-control:focus,
.form-card .form-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ---- BUTTONS ---- */
.btn-admin {
    background: var(--secondary);
    color: var(--white);
    border: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.btn-admin:hover {
    background: var(--accent);
    color: var(--white);
}
.btn-admin-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}
.btn-danger-sm {
    background: #dc2626;
    color: white;
    border: none;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
}
.btn-danger-sm:hover { background: #b91c1c; color: white; }
.btn-edit {
    background: #f59e0b;
    color: white;
    border: none;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
}
.btn-edit:hover { background: #d97706; color: white; }

/* ---- ALERTS ---- */
.admin-alert {
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 0.9rem;
    border: none;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .admin-sidebar { width: 0; overflow: hidden; }
    .admin-sidebar.show { width: var(--sidebar-width); }
    .admin-main { margin-left: 0; }
    .admin-content { padding: 15px; }
}

/* ---- EMPTY STATE ---- */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 15px; }

/* Status badges */
.badge-active { background: #dcfce7; color: #16a34a; padding: 4px 10px; border-radius: 20px; font-size: 0.78rem; }
.badge-inactive { background: #fee2e2; color: #dc2626; padding: 4px 10px; border-radius: 20px; font-size: 0.78rem; }
.badge-unread { background: var(--secondary); color: white; padding: 4px 8px; border-radius: 20px; font-size: 0.7rem; }