/* Modern Admin Panel Styles */
:root {
    --sidebar-width: 280px;
    --admin-bg: #f4f7f6; /* Lighter, modern background */
    --admin-primary: #123022; /* Deeper dark green for a premium look */
    --admin-primary-light: #1F4D3A; /* Secondary green */
    --admin-secondary: #C9A23F; /* Gold */
    --admin-secondary-hover: #b38e30;
    --text-main: #333333;
    --text-muted: #6b7280;
    --card-shadow: 0 10px 30px rgba(0,0,0,0.05);
    --border-color: rgba(0,0,0,0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    font-family: 'Inter', sans-serif;
}

.admin-body {
    background-color: var(--admin-bg);
    display: flex;
    min-height: 100vh;
    color: var(--text-main);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--admin-primary) 0%, var(--admin-primary-light) 100%);
    color: white;
    padding: 30px 20px;
    position: fixed;
    height: 100vh;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
    z-index: 1000;
    overflow-y: auto;
}

.sidebar h2 {
    color: var(--admin-secondary);
    margin-bottom: 40px;
    text-align: center;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 8px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav a i {
    width: 25px;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
}

.sidebar-nav a:hover i {
    transform: translateX(4px);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 50px;
    max-width: calc(100vw - var(--sidebar-width));
}

.main-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-primary);
    margin: 0;
}

/* Cards */
.admin-card, .card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.admin-card:hover, .card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.admin-card h2, .card h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--admin-primary);
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 16px;
    border-left: 5px solid var(--admin-secondary);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.stat-card h5 {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 10px 0;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--admin-primary);
    margin: 0;
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 10px;
}

.admin-table th {
    text-align: left;
    padding: 18px 15px;
    border-bottom: 2px solid #edf2f7;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.admin-table td {
    padding: 18px 15px;
    border-bottom: 1px solid #edf2f7;
    vertical-align: middle;
    color: var(--text-main);
    font-size: 0.95rem;
}

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

.admin-table tr:hover {
    background-color: #f8fafc;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn.primary:hover {
    background: var(--admin-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 162, 63, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
    margin-right: 5px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
}

.btn-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-edit {
    background: #e0e7ff;
    color: #4338ca;
}
.btn-edit:hover { background: #4338ca; color: white; }

.btn-delete {
    background: #fee2e2;
    color: #b91c1c;
}
.btn-delete:hover { background: #b91c1c; color: white; }

.btn-view {
    background: #e0f2fe;
    color: #0369a1;
}
.btn-view:hover { background: #0369a1; color: white; }

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: #f9fafb;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--admin-secondary);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(201, 162, 63, 0.2);
}

/* Gallery Grid Admin */
.gallery-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.gallery-item-admin {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.gallery-item-admin:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    font-weight: 500;
}
.alert.success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert.error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Login */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--admin-primary) 0%, #0d2319 100%);
}

.login-box {
    background: white;
    padding: 50px 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    text-align: center;
}
.login-box h2 {
    color: var(--admin-primary);
    margin-bottom: 30px;
}
.login-box .btn.primary {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    margin-top: 10px;
}