/* Premium Admin Dashboard Styles */
:root {
    --admin-primary: #3b82f6;
    --admin-primary-hover: #2563eb;
    --admin-dark: #0f172a;
    --admin-sidebar: #1e293b;
    --admin-bg: #f8fafc;
    --admin-card: #ffffff;
    --admin-text: #334155;
    --admin-border: #e2e8f0;
    --transition: 0.3s ease;
}

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

/* Typography & Headers */
h2, h3, h4, .text-primary {
    color: var(--admin-dark) !important;
    font-weight: 800;
}
h2 {
    margin-bottom: 1.5rem;
    border-left: 5px solid var(--admin-primary);
    padding-left: 15px;
}

/* Dashboard Cards */
.dashboard-card {
    border: none;
    border-radius: 12px;
    background: var(--admin-card);
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--admin-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    z-index: -1;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.dashboard-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--admin-primary);
    margin-bottom: 1rem;
    opacity: 0.8;
    transition: var(--transition);
}

.dashboard-card:hover .card-icon {
    opacity: 1;
    transform: scale(1.1);
}

.card-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--admin-dark);
}

/* Top Navbar */
.admin-navbar {
    background: var(--admin-card);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    padding: 1rem 2rem;
}

/* Premium Tables */
.table-responsive {
    background: var(--admin-card);
    border-radius: 16px;
    padding: 1px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

table, .table {
    width: 100%;
    margin-bottom: 0;
    color: var(--admin-text);
    border-collapse: separate;
    border-spacing: 0;
}

table thead, .table thead {
    background: var(--admin-dark) !important;
}

table th, .table th {
    color: #ffffff;
    font-weight: 600;
    padding: 1.2rem 1rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: none !important;
}

table td, .table td {
    padding: 1.2rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--admin-border);
    transition: var(--transition);
}

table tbody tr:hover td {
    background-color: #f8fafc;
}

/* Premium Forms */
form {
    background: var(--admin-card);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

label {
    font-weight: 600;
    color: var(--admin-dark);
    margin-bottom: 0.5rem;
}

input[type="text"], input[type="number"], input[type="file"], input[type="password"], select, textarea, .form-control, .form-select {
    width: 100%;
    border-radius: 8px;
    border: 2px solid var(--admin-border);
    padding: 0.75rem 1.2rem;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f8fafc;
}

input:focus, select:focus, textarea:focus, .form-control:focus {
    border-color: var(--admin-primary);
    background-color: #ffffff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Buttons */
button, input[type="submit"], .btn {
    border-radius: 8px;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
}

.btn-primary, input[type="submit"] {
    background-color: var(--admin-primary);
    color: white;
}

.btn-primary:hover, input[type="submit"]:hover {
    background-color: var(--admin-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

.btn-danger {
    background-color: #ef4444;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.4);
}

/* Alert Blinking */
@keyframes blink-alert {
    0% { background-color: #fee2e2; border-color: #ef4444; color: #b91c1c; }
    50% { background-color: #fef2f2; border-color: #fca5a5; color: #ef4444; }
    100% { background-color: #fee2e2; border-color: #ef4444; color: #b91c1c; }
}

.show_alert {
    animation: blink-alert 2s infinite;
    border: 2px solid;
}