:root {
    --primary: #c46a2b;
    --dark: #2B2B2B;
    --darker: #1a1a1a;
    --light: #f4f6f9;
    --border: #e0e0e0;
    --text: #333;
    --text-light: #888;
    --success: #28a745;
    --danger: #dc3545;
}

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

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

a { text-decoration: none; color: var(--primary); }

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

.admin-sidebar {
    width: 250px;
    background-color: var(--dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.admin-sidebar.collapsed { width: 0; overflow: hidden; }

.admin-logo {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--darker);
    font-family: serif;
    letter-spacing: 2px;
}

.admin-nav { flex: 1; padding: 20px 0; }
.admin-nav ul { list-style: none; }
.admin-nav li a {
    display: block;
    padding: 15px 20px;
    color: #ccc;
    transition: 0.2s;
}
.admin-nav li a:hover, .admin-nav li a.active {
    background-color: var(--darker);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}
.admin-nav li a i { width: 25px; }

.admin-logout { padding: 20px; border-top: 1px solid var(--darker); }
.admin-logout a { color: #ccc; display: block; }
.admin-logout a:hover { color: #fff; }

.admin-main { flex: 1; display: flex; flex-direction: column; overflow-x: hidden; }

.admin-topbar {
    background: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.admin-topbar button {
    background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text);
}

.admin-content { padding: 20px; flex: 1; }

/* Login Page */
.login-page {
    display: flex; justify-content: center; align-items: center; min-height: 100vh;
    background-color: var(--light);
}
.login-box {
    background: #fff; padding: 40px; border-radius: 5px; box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    width: 100%; max-width: 400px;
}
.login-logo { text-align: center; margin-bottom: 30px; font-family: serif; color: var(--dark); }

/* Forms & UI Elements */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; }
.form-control {
    width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 4px; font-family: 'Inter', sans-serif;
}
.form-control:focus { outline: none; border-color: var(--primary); }

.btn {
    display: inline-block; padding: 10px 20px; border-radius: 4px; border: none; cursor: pointer;
    font-weight: 500; font-family: 'Inter', sans-serif; transition: 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #a65822; }
.btn-outline { border: 1px solid var(--border); background: transparent; }
.btn-outline:hover { background: var(--light); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c82333; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { display: block; width: 100%; }

.alert { padding: 15px; border-radius: 4px; margin-bottom: 20px; transition: opacity 0.3s; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* Cards & Tables */
.card { background: #fff; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); margin-bottom: 20px; }
.card-header { padding: 15px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.card-body { padding: 20px; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background-color: var(--light); font-weight: 600; }
.table tbody tr:hover { background-color: var(--light); }

.page-title { margin-bottom: 20px; font-weight: 600; color: var(--dark); display: flex; justify-content: space-between; align-items: center;}