/* =====================================================================
   Absensi Guru — style.css
   ===================================================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-700: #334155;
    --gray-900: #0f172a;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
}

a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------------
   Buttons
--------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--gray-200); color: var(--gray-900); }
.btn-secondary:hover { background: var(--gray-300); }
.btn-danger { background: #fee2e2; color: var(--danger); }
.btn-danger:hover { background: #fecaca; }
.btn-small { padding: 6px 10px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-big { width: 100%; padding: 18px; font-size: 18px; border-radius: 12px; margin-top: 20px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------------------------------------------------------------------
   Alerts
--------------------------------------------------------------------- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }

/* ---------------------------------------------------------------------
   Forms
--------------------------------------------------------------------- */
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--gray-700); }
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
.form-group small { display: block; margin-top: 4px; color: var(--gray-500); font-size: 12px; }

/* =====================================================================
   LOGIN PAGE
   ===================================================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #1e3a8a 100%);
    padding: 20px;
}
.login-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
    max-width: 380px;
    width: 100%;
    text-align: center;
}
.login-icon { font-size: 40px; }
.login-card h1 { margin: 8px 0 2px; font-size: 20px; }
.login-subtitle { color: var(--gray-500); font-size: 13px; margin-bottom: 24px; }
.login-hint { font-size: 12px; color: var(--gray-500); margin-top: 16px; }

/* =====================================================================
   TEACHER ATTENDANCE PAGE (mobile-first)
   ===================================================================== */
.teacher-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
    padding: 20px;
}
.teacher-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    padding: 36px 28px;
    max-width: 420px;
    width: 100%;
    text-align: center;
}
.teacher-title { letter-spacing: 1px; color: var(--gray-500); font-size: 14px; margin: 0; }
.teacher-school { color: var(--gray-500); font-size: 13px; margin-top: 2px; margin-bottom: 20px; }
.teacher-status-icon { font-size: 48px; margin-bottom: 8px; }
.teacher-welcome { color: var(--gray-500); margin: 8px 0 0; }
.teacher-name { font-size: 30px; margin: 4px 0; }
.teacher-role { color: var(--gray-500); font-size: 14px; margin: 0 0 6px; }
.teacher-date { color: var(--gray-700); font-size: 14px; margin-bottom: 20px; }

.status-box {
    padding: 14px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 8px;
}
.status-belum { background: #fef3c7; color: #92400e; }
.status-hadir { background: #dbeafe; color: #1e40af; }
.status-lengkap { background: #dcfce7; color: #166534; }

.info-grid { display: flex; justify-content: center; gap: 24px; margin: 16px 0; }
.info-grid > div { display: flex; flex-direction: column; }
.info-label { font-size: 12px; color: var(--gray-500); }
.info-value { font-size: 18px; font-weight: 700; }
.thanks-text { color: var(--gray-500); margin-top: 16px; }

/* =====================================================================
   ADMIN LAYOUT
   ===================================================================== */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--gray-900);
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 22px 20px; font-weight: 700; font-size: 16px; }
.brand-icon { font-size: 22px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 8px; flex: 1; }
.sidebar-nav a { padding: 12px 14px; border-radius: 8px; color: #cbd5e1; font-size: 14px; font-weight: 500; }
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active { background: var(--primary); color: #fff; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #cbd5e1; }
.logout-link { color: #fca5a5; font-weight: 600; }

.main-area { flex: 1; min-width: 0; }
.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar h1 { font-size: 18px; margin: 0; flex: 1; }
.topbar-school { color: var(--gray-500); font-size: 13px; }
.menu-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; }

.content { padding: 24px; max-width: 1200px; }

/* ---------------------------------------------------------------------
   Stat cards
--------------------------------------------------------------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stat-label { font-size: 12px; color: var(--gray-500); font-weight: 600; letter-spacing: 0.5px; }
.stat-value { font-size: 30px; font-weight: 800; }
.stat-green { color: var(--success); }
.stat-blue { color: var(--primary); }
.stat-red { color: var(--danger); }
.stat-gray { color: var(--gray-500); }

/* ---------------------------------------------------------------------
   Cards
--------------------------------------------------------------------- */
.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}
.card-title { font-size: 15px; margin: 0 0 14px; }
.card-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.card-header-row .card-title { margin: 0; }

/* ---------------------------------------------------------------------
   Tables
--------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--gray-100); white-space: nowrap; }
.data-table th { color: var(--gray-500); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; }
.empty-row { text-align: center; color: var(--gray-500); padding: 24px !important; }
.action-cell { display: flex; gap: 6px; flex-wrap: wrap; }
.inline-form { display: inline; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-hadir { background: #dcfce7; color: #166534; }
.badge-terlambat { background: #fee2e2; color: #991b1b; }
.badge-nonaktif { background: var(--gray-200); color: var(--gray-500); }

/* ---------------------------------------------------------------------
   Search / filter bars
--------------------------------------------------------------------- */
.search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.search-bar input { flex: 1; padding: 10px 12px; border: 1px solid var(--gray-300); border-radius: 8px; }

.filter-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; align-items: end; }
.filter-btns { display: flex; gap: 8px; }

/* ---------------------------------------------------------------------
   Modal
--------------------------------------------------------------------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
}
.modal-overlay.open { display: flex; }
.modal {
    background: #fff;
    border-radius: 14px;
    padding: 24px;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h3 { margin-top: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

/* ---------------------------------------------------------------------
   QR view
--------------------------------------------------------------------- */
.qr-view-card { text-align: center; max-width: 420px; }
.qr-teacher-name { margin: 4px 0; }
.qr-box { display: flex; justify-content: center; margin: 20px 0; }
.qr-url { font-size: 12px; color: var(--gray-500); word-break: break-all; }
.qr-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }

/* ---------------------------------------------------------------------
   Print QR page
--------------------------------------------------------------------- */
.print-page { background: var(--gray-100); min-height: 100vh; }
.print-toolbar { display: flex; gap: 10px; justify-content: center; padding: 20px; }
.print-area { display: flex; justify-content: center; padding: 20px; }
.print-card {
    background: #fff;
    border: 2px dashed var(--gray-300);
    border-radius: 12px;
    padding: 32px 40px;
    text-align: center;
    width: 320px;
}
.print-header { letter-spacing: 2px; font-size: 13px; color: var(--gray-500); margin: 0; }
.print-school { font-size: 12px; color: var(--gray-500); margin: 2px 0 12px; }
.print-name { margin: 4px 0; font-size: 22px; }
.print-code { font-size: 15px; font-weight: 700; color: var(--gray-700); margin: 0 0 8px; }
.print-footer { font-size: 12px; color: var(--gray-500); margin-top: 12px; }

@media print {
    .no-print { display: none !important; }
    body.print-page { background: #fff; }
    .print-area { padding: 0; }
    .print-card { border: none; }
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 860px) {
    .sidebar {
        position: fixed;
        left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        z-index: 200;
    }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: block; }
    .content { padding: 16px; }
}

@media (max-width: 480px) {
    .teacher-card { padding: 28px 20px; }
    .info-grid { gap: 14px; }
}