/* ============================================================
   style.css — Dashboard Wali Kelas
   Custom Design System (Bootstrap 5 + Custom)
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
    --primary:        #3B82F6;
    --primary-dark:   #2563EB;
    --primary-light:  #EFF6FF;
    --secondary:      #64748B;
    --success:        #10B981;
    --warning:        #F59E0B;
    --danger:         #EF4444;
    --info:           #06B6D4;
    --bg-body:        #F1F5F9;
    --bg-card:        #FFFFFF;
    --text-main:      #1E293B;
    --text-muted:     #64748B;
    --text-light:     #94A3B8;
    --border:         #E2E8F0;
    --shadow-sm:      0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md:      0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.05);
    --shadow-lg:      0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
    --navbar-bg:      linear-gradient(135deg, #1E3A5F 0%, #2563EB 100%);
    --radius:         12px;
    --radius-sm:      8px;
    --transition:     all .2s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 0.9rem;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

/* ============================================================
   NAVBAR
   ============================================================ */
#mainNavbar {
    background: var(--navbar-bg);
    box-shadow: 0 2px 20px rgba(37, 99, 235, .25);
    padding: .6rem 0;
    backdrop-filter: blur(10px);
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    flex-shrink: 0;
}

.brand-title {
    font-size: .95rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.brand-sub {
    font-size: .7rem;
    color: rgba(255,255,255,.65);
    line-height: 1;
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,.8) !important;
    font-weight: 500;
    padding: .45rem .8rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: .875rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff !important;
    background: rgba(255,255,255,.15);
}

.navbar-nav .nav-link.active {
    background: rgba(255,255,255,.2);
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: rgba(255,255,255,.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    color: #fff;
}

.btn-logout {
    background: rgba(239, 68, 68, .2);
    border: 1px solid rgba(239, 68, 68, .4);
    color: #FCA5A5 !important;
    border-radius: var(--radius-sm);
    font-size: .8rem;
    transition: var(--transition);
}
.btn-logout:hover {
    background: rgba(239, 68, 68, .4);
    color: #fff !important;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: .25rem;
    display: flex;
    align-items: center;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: .875rem;
    margin-bottom: 0;
}

.badge-edit {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: #fff;
    padding: .25rem .6rem;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 600;
}

.badge-new {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    padding: .25rem .6rem;
    border-radius: 50px;
    font-size: .75rem;
    font-weight: 600;
}

/* ============================================================
   CARDS
   ============================================================ */
.card-main {
    border: none;
    border-radius: var(--radius);
    background: var(--bg-card);
    overflow: hidden;
}

.card-header-custom {
    background: linear-gradient(135deg, #F8FAFC, #F1F5F9);
    padding: .875rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: .875rem;
    color: var(--text-main);
}

/* ============================================================
   FORM TOPBAR (Presensi form)
   ============================================================ */
.form-topbar {
    background: linear-gradient(135deg, #F8FAFC, #EFF6FF);
    border-bottom: 1px solid var(--border);
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(59, 130, 246, .08);
    border: 1px solid rgba(59, 130, 246, .2);
    color: var(--primary);
    padding: .3rem .7rem;
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 600;
}

/* ============================================================
   TABLE PRESENSI
   ============================================================ */
.table-presensi {
    border-collapse: separate;
    border-spacing: 0;
}

.table-presensi thead th {
    background: linear-gradient(135deg, #1E3A5F, #2563EB);
    color: #fff;
    font-weight: 600;
    font-size: .8rem;
    text-align: center;
    vertical-align: middle;
    padding: .65rem .5rem;
    border: none;
    white-space: nowrap;
}

.table-presensi thead tr:first-child th:first-child {
    border-radius: 0;
}

.table-presensi tbody td {
    padding: .55rem .6rem;
    vertical-align: middle;
    border-color: var(--border);
    font-size: .875rem;
}

.col-no { width: 50px; }
.col-nama { min-width: 220px; }
.col-kategori { min-width: 100px; }

.table-presensi tbody tr:hover td {
    background-color: rgba(59, 130, 246, .04);
}

.kategori-header {
    font-size: .78rem;
}

.btn-col-toggle {
    background: none;
    border: none;
    padding: 0 3px;
    font-size: .75rem;
    cursor: pointer;
    opacity: .7;
    transition: var(--transition);
}
.btn-col-toggle:hover { opacity: 1; transform: scale(1.2); }

/* Checkbox styling */
.check-presensi {
    width: 1.25em;
    height: 1.25em;
    cursor: pointer;
    border-radius: 4px !important;
    border-color: #CBD5E1;
    transition: var(--transition);
}
.check-presensi:checked {
    background-color: var(--success);
    border-color: var(--success);
}
.check-presensi:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, .2);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(37, 99, 235, .3);
}
.btn-primary-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, .4);
    color: #fff;
    background: linear-gradient(135deg, var(--primary-dark), #1D4ED8);
}
.btn-primary-custom:active { transform: translateY(0); }

/* ============================================================
   FLASH MESSAGES (Alerts override)
   ============================================================ */
.alert--success { background:#ECFDF5; border-left:4px solid #10B981; color:#064E3B; }
.alert--danger  { background:#FEF2F2; border-left:4px solid #EF4444; color:#7F1D1D; }
.alert--warning { background:#FFFBEB; border-left:4px solid #F59E0B; color:#78350F; }
.alert--info    { background:#EFF6FF; border-left:4px solid #3B82F6; color:#1E3A5F; }

/* ============================================================
   STAT CARDS (Laporan detail)
   ============================================================ */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.stat-card-label {
    font-size: .75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .25rem;
}
.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}
.stat-card-value span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}
.stat-progress {
    height: 6px;
    border-radius: 50px;
    margin: .5rem 0 .25rem;
    background: var(--border);
}
.stat-card-pct {
    font-size: .75rem;
    color: var(--text-muted);
}

/* Badge Hadir/Absen */
.badge-hadir {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(16, 185, 129, .15);
    color: #059669;
    border-radius: 50%;
    font-size: .8rem;
    font-weight: 700;
}
.badge-absen {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(239, 68, 68, .1);
    color: #DC2626;
    border-radius: 50%;
    font-size: .75rem;
}

/* ============================================================
   DATE BADGE (Laporan list)
   ============================================================ */
.date-badge {
    width: 36px;
    height: 36px;
    background: rgba(59, 130, 246, .1);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    flex-shrink: 0;
}

/* ============================================================
   SISWA LIST
   ============================================================ */
.siswa-no {
    width: 28px;
    height: 28px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: linear-gradient(135deg, #1E293B, #0F172A);
    color: rgba(255,255,255,.6);
    font-size: .8rem;
    margin-top: auto;
}
.footer-brand { color: #fff; font-size: .85rem; }
.footer-text  { color: rgba(255,255,255,.5); }
.footer-time  { color: rgba(255,255,255,.7); font-family: 'Courier New', monospace; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
body.login-page {
    background: linear-gradient(135deg, #1E3A5F 0%, #2563EB 60%, #7C3AED 100%);
}

.login-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.05);
}
.shape-1 { width: 400px; height: 400px; top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; bottom: -80px; left: -80px; }
.shape-3 { width: 200px; height: 200px; top: 50%; left: 40%; }

.login-wrapper { position: relative; z-index: 1; padding: 1rem; }

.login-card {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}

.login-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), #7C3AED);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(37, 99, 235, .4);
}

.login-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: .25rem;
}
.login-subtitle {
    color: var(--text-muted);
    font-size: .85rem;
    margin-bottom: 0;
}
.login-footer small { font-size: .75rem; }

.btn-login {
    background: linear-gradient(135deg, var(--primary), #7C3AED);
    border: none;
    color: #fff;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: .03em;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 99, 235, .35);
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .45);
    color: #fff;
}
.btn-login:disabled {
    opacity: .8;
    transform: none;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
    background: none;
    padding: 0;
    font-size: .8rem;
}
.breadcrumb-item a {
    color: var(--primary);
    text-decoration: none;
}
.breadcrumb-item a:hover { text-decoration: underline; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .page-title { font-size: 1.2rem; }
    .login-card { padding: 1.75rem; }
    .stat-card-value { font-size: 1.4rem; }
}

@media (max-width: 576px) {
    .form-topbar { padding: 1rem !important; }
    .table-presensi thead th { font-size: .7rem; padding: .5rem .35rem; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.bg-primary-subtle { background: rgba(59, 130, 246, .1) !important; }
.text-primary { color: var(--primary) !important; }
.bg-success-subtle { background: rgba(16, 185, 129, .1) !important; }
.text-success { color: var(--success) !important; }
.bg-warning-subtle { background: rgba(245, 158, 11, .1) !important; }
.text-warning { color: var(--warning) !important; }