/* Admin Stylesheet */
:root {
    --admin-primary: #4e73df;
    --admin-dark: #2c3e50;
    --admin-light: #f8f9fc;
    --admin-text: #5a5c69;
    --admin-white: #ffffff;
    --admin-border: #e3e6f0;
}

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

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: var(--admin-dark);
    color: var(--admin-white);
    display: flex;
    flex-direction: column;
}

.admin-sidebar .brand {
    padding: 20px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: var(--admin-white);
    text-decoration: none;
}

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

.admin-sidebar li a {
    display: block;
    padding: 15px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-left: 4px solid transparent;
    transition: 0.3s;
}

.admin-sidebar li a:hover, .admin-sidebar li a.active {
    background: rgba(255,255,255,0.1);
    border-left-color: var(--admin-primary);
    color: var(--admin-white);
}

/* Main Content */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background: var(--admin-white);
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 30px;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58,59,69,0.15);
}

.admin-header a {
    color: var(--admin-text);
    text-decoration: none;
    font-weight: 500;
}

.admin-content {
    padding: 30px;
    flex: 1;
}

/* Cards */
.admin-card {
    background: var(--admin-white);
    border-radius: 8px;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58,59,69,0.15);
    padding: 20px;
    margin-bottom: 30px;
}

.admin-card-header {
    border-bottom: 1px solid var(--admin-border);
    padding-bottom: 15px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-card-header h3 {
    margin: 0;
    color: var(--admin-primary);
}

/* Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--admin-border);
    text-align: left;
}

.admin-table th {
    background: rgba(0,0,0,0.02);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-primary { background: var(--admin-primary); color: #fff; }
.btn-danger { background: #e74a3b; color: #fff; }
.btn-success { background: #1cc88a; color: #fff; }

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d3e2;
    border-radius: 4px;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}