/* ============================================
   CSS LENGKAP SISTEM PRESENSI
   ============================================ */

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

:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2c3e50;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --light: #f8f9fa;
    --gray: #7f8c8d;
    --gray-light: #ecf0f1;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
    --radius: 10px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 10px; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header { text-align: center; margin-bottom: 30px; }
.login-header h2 { color: var(--secondary); font-size: 24px; margin-bottom: 5px; }
.login-header p { color: var(--gray); font-size: 14px; }

/* Container & Layout */
.container { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1a2332 0%, #2c3e50 100%);
    color: #ecf0f1;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-track { background: #1a2332; }
.sidebar::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }

.sidebar-brand {
    padding: 20px 20px 15px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand h2 { font-size: 20px; font-weight: 600; color: var(--primary); margin: 0; }
.sidebar-brand small { font-size: 12px; color: var(--gray); display: block; margin-top: 3px; }

.sidebar-user {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 10px;
}

.user-name { font-weight: 500; font-size: 14px; margin-bottom: 5px; }
.user-role .badge { font-size: 11px; padding: 3px 10px; }

.sidebar-nav { padding: 10px 0; }
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar-nav .nav-header {
    padding: 15px 20px 8px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--gray);
    letter-spacing: 1px;
    font-weight: 600;
    opacity: 0.7;
}
.sidebar-nav .nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 10px 20px;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: #bdc3c7;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover {
    background: rgba(255,255,255,0.05);
    color: white;
    border-left-color: var(--primary);
}

.sidebar-nav li a.active {
    background: rgba(52, 152, 219, 0.15);
    color: var(--primary);
    border-left-color: var(--primary);
}

.sidebar-nav li a .icon { margin-right: 12px; width: 20px; text-align: center; font-size: 16px; }
.sidebar-nav li a.logout-link { color: #e74c3c; }
.sidebar-nav li a.logout-link:hover {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border-left-color: #e74c3c;
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1001;
    background: var(--secondary);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
}

.sidebar-toggle:hover { background: var(--primary); }

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
    min-height: 100vh;
    background: #f0f2f5;
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 10px;
}

.top-bar .page-title h1 { font-size: 22px; color: var(--secondary); margin: 0; }
.top-bar .page-title small { color: var(--gray); font-size: 13px; display: block; }

.top-bar .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--light);
    padding: 8px 15px;
    border-radius: 20px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--light);
    flex-shrink: 0;
}

.stat-icon.blue { background: rgba(52, 152, 219, 0.1); color: var(--primary); }
.stat-icon.green { background: rgba(39, 174, 96, 0.1); color: var(--success); }
.stat-icon.orange { background: rgba(243, 156, 18, 0.1); color: var(--warning); }
.stat-icon.purple { background: rgba(155, 89, 182, 0.1); color: #9b59b6; }

.stat-info h3 { font-size: 13px; color: var(--gray); font-weight: 500; margin-bottom: 5px; }
.stat-number { font-size: 28px; font-weight: bold; color: var(--secondary); }

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover { box-shadow: var(--shadow-hover); }

.card-header {
    padding: 18px 25px;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.card-header h3 { font-size: 18px; color: var(--secondary); margin: 0; }
.card-header small { color: var(--gray); font-size: 13px; }

.card-body { padding: 25px; }

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 15px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--secondary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e1e5eb;
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    background: white;
    color: #333;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.form-control:disabled { background: var(--light); cursor: not-allowed; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

textarea.form-control { resize: vertical; min-height: 80px; }

.form-inline {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 10px 22px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #219a52; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; }

.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #d68910; }

.btn-info { background: var(--info); color: white; }
.btn-info:hover { background: #2980b9; }

.btn-secondary { background: var(--gray); color: white; }
.btn-secondary:hover { background: #6c7a7d; }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* Tables */
.table-responsive { overflow-x: auto; margin-top: 10px; }

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead th {
    background: #f8f9fa;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--secondary);
    border-bottom: 2px solid var(--gray-light);
    white-space: nowrap;
}

.table tbody td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--gray-light);
    vertical-align: middle;
}

.table tbody tr:hover { background: #f8f9fa; }

.table-striped tbody tr:nth-of-type(odd) { background: rgba(0,0,0,0.02); }
.table-striped tbody tr:nth-of-type(odd):hover { background: #f8f9fa; }

/* Badges */
.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
}

.badge-admin { background: #e74c3c; color: white; }
.badge-guru { background: #3498db; color: white; }
.badge-wali_kelas { background: #9b59b6; color: white; }
.badge-siswa { background: #27ae60; color: white; }
.badge-waka { background: #f39c12; color: white; }

.badge-success { background: #27ae60; color: white; }
.badge-warning { background: #f39c12; color: white; }
.badge-danger { background: #e74c3c; color: white; }
.badge-info { background: #3498db; color: white; }
.badge-primary { background: #9b59b6; color: white; }
.badge-secondary { background: #7f8c8d; color: white; }

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success { background: #d4edda; color: #155724; border-left-color: #28a745; }
.alert-danger { background: #f8d7da; color: #721c24; border-left-color: #dc3545; }
.alert-warning { background: #fff3cd; color: #856404; border-left-color: #ffc107; }
.alert-info { background: #d1ecf1; color: #0c5460; border-left-color: #17a2b8; }

.alert .alert-close {
    margin-left: auto;
    cursor: pointer;
    font-size: 20px;
    background: none;
    border: none;
    opacity: 0.5;
}

.alert .alert-close:hover { opacity: 1; }

/* Export Buttons */
.export-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 10px 0 20px 0;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    align-items: center;
}

/* Print Styles */
@media print {
    .no-print { display: none !important; }
    .sidebar { display: none !important; }
    .sidebar-toggle { display: none !important; }
    .main-content { margin-left: 0 !important; padding: 10px !important; }
    .top-bar { background: white !important; border-bottom: 2px solid #333 !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; page-break-inside: avoid; }
    .card-header { background: #f8f9fa !important; }
    .badge { border: 1px solid #ddd !important; }
    table { font-size: 11px !important; }
    th { background: #4472C4 !important; color: white !important; }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.active { display: block; }
    .sidebar-toggle { display: block; }
    .main-content { margin-left: 0; padding: 15px; padding-top: 65px; }
    .top-bar { flex-direction: column; align-items: flex-start; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .login-box { padding: 30px 20px; margin: 10px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .top-bar .page-title h1 { font-size: 18px; }
    .stat-number { font-size: 22px; }
    .btn { padding: 8px 16px; font-size: 13px; }
    .card-body { padding: 15px; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 5px; }
.mt-2 { margin-top: 10px; }
.mt-3 { margin-top: 15px; }
.mt-4 { margin-top: 20px; }
.mt-5 { margin-top: 30px; }

.mb-1 { margin-bottom: 5px; }
.mb-2 { margin-bottom: 10px; }
.mb-3 { margin-bottom: 15px; }
.mb-4 { margin-bottom: 20px; }
.mb-5 { margin-bottom: 30px; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.gap-1 { gap: 5px; }
.gap-2 { gap: 10px; }
.gap-3 { gap: 15px; }

.w-100 { width: 100%; }
.w-50 { width: 50%; }
.w-25 { width: 25%; }

.rounded { border-radius: var(--radius); }
.shadow { box-shadow: var(--shadow); }