/* ============================================
   LRV Absen - Tampilan final, user-friendly
   + animasi tipis
   ============================================ */

/* ---- Base & variables ---- */
:root {
    --app-bg: #f0f4f8;
    --app-text: #1e293b;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --muted-text: #64748b;
    --table-head-bg: #f1f5f9;
    --table-head-text: #0f172a;
    --sidebar-bg: #0f172a;
    --sidebar-text: #e2e8f0;
    --sidebar-active: #2563eb;
    --surface-bg: #f8fafc;
    --brand-primary: #2563eb;
    --brand-primary-dark: #1e40af;
    --brand-accent: #38bdf8;
    --radius: 0.75rem;
    --radius-sm: 0.5rem;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s var(--ease);
}

.theme-dark {
    --app-bg: #0f172a;
    --app-text: #e2e8f0;
    --card-bg: #1e293b;
    --card-border: #334155;
    --muted-text: #94a3b8;
    --table-head-bg: #0f172a;
    --table-head-text: #e2e8f0;
    --sidebar-bg: #020617;
    --sidebar-text: #cbd5e1;
    --sidebar-active: #38bdf8;
    --surface-bg: #0f172a;
}

html { scroll-behavior: smooth; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }

body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
    background: var(--app-bg);
    color: var(--app-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Focus visible (aksesibilitas) */
*:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}
button:focus-visible, .btn:focus-visible {
    outline-offset: 2px;
}

/* ---- Keyframes (animasi tipis) ---- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ---- Navbar ---- */
.navbar {
    width: 100%;
    max-width: 100%;
    background: linear-gradient(135deg, var(--brand-primary-dark), var(--brand-primary));
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.15);
    transition: box-shadow var(--transition);
}
.navbar:hover {
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.2);
}
.navbar .container-fluid {
    max-width: 100%;
}

/* Wrapper navbar: di HP/tablet harus full lebar (mentok kiri-kanan) */
.navbar-wrapper {
    width: 100%;
    box-sizing: border-box;
}
@media (max-width: 991.98px) {
    .navbar-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        box-sizing: border-box !important;
    }
    .navbar-wrapper .navbar {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        box-sizing: border-box !important;
    }
}

.bg-primary { background-color: var(--brand-primary) !important; }
.text-primary { color: var(--brand-primary) !important; }
.border-primary { border-color: var(--brand-primary) !important; }

.navbar .nav-link {
    font-weight: 500;
    transition: opacity var(--transition);
}
.navbar .nav-link:hover { opacity: 0.9; }

.navbar .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.navbar-logo {
    height: 36px;
    max-height: 36px;
    width: auto;
    object-fit: contain;
    vertical-align: middle;
}

/* ---- Content area + stagger animation ---- */
.main-content {
    min-height: calc(100vh - 64px);
}

.content-animate > .page-header {
    animation: fadeInDown 0.4s var(--ease) both;
}
.content-animate > .alert {
    animation: fadeIn 0.35s var(--ease) both;
}
.content-animate > .row > * {
    animation: fadeInUp 0.4s var(--ease) both;
}
.content-animate > .row > *:nth-child(1) { animation-delay: 0.03s; }
.content-animate > .row > *:nth-child(2) { animation-delay: 0.06s; }
.content-animate > .row > *:nth-child(3) { animation-delay: 0.09s; }
.content-animate > .row > *:nth-child(4) { animation-delay: 0.12s; }
.content-animate > .row > *:nth-child(5) { animation-delay: 0.15s; }
.content-animate > .row > *:nth-child(6) { animation-delay: 0.18s; }
.content-animate > .row > *:nth-child(7) { animation-delay: 0.21s; }
.content-animate > .row > *:nth-child(8) { animation-delay: 0.24s; }
.content-animate > .row > *:nth-child(9) { animation-delay: 0.27s; }
.content-animate > .row > *:nth-child(10) { animation-delay: 0.3s; }

/* Second-level rows (e.g. public page sections) */
.content-animate .row.g-4 > * {
    animation: fadeInUp 0.4s var(--ease) both;
}
.content-animate .row.g-4 > *:nth-child(1) { animation-delay: 0.05s; }
.content-animate .row.g-4 > *:nth-child(2) { animation-delay: 0.1s; }
.content-animate .row.g-4 > *:nth-child(3) { animation-delay: 0.15s; }
.content-animate .row.g-4 > *:nth-child(4) { animation-delay: 0.2s; }
.content-animate .row.g-4 > *:nth-child(5) { animation-delay: 0.25s; }
.content-animate .row.g-4 > *:nth-child(6) { animation-delay: 0.3s; }

/* ---- App shell & sidebar ---- */
.app-shell { display: flex; min-height: calc(100vh - 64px); }

.app-sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-header {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--muted-text);
}

.sidebar-nav .nav-link {
    color: var(--sidebar-text);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background var(--transition), color var(--transition), transform 0.2s var(--ease);
}
.sidebar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
}
.sidebar-nav .nav-link.active {
    background: var(--brand-primary);
    color: #fff;
}

.sidebar-footer { margin-top: auto; }

.app-main { flex: 1; }

/* ---- Page header ---- */
.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.page-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--muted-text);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ---- Cards ---- */
.card {
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
    background: var(--card-bg);
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    border-color: rgba(37, 99, 235, 0.15);
}

.card-header {
    background: var(--surface-bg);
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    color: var(--app-text);
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius) var(--radius) 0 0;
}

.card-body {
    color: var(--app-text);
    padding: 1.25rem;
}

.stat-card {
    border-left: 4px solid var(--brand-primary);
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
}

.stat-card .stat-label {
    color: var(--muted-text);
    font-size: 0.875rem;
}

.stat-card .stat-value {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Card as link (dashboard menu) */
a.card {
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
a.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
    border-color: rgba(37, 99, 235, 0.2);
}

.icon-circle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: transform var(--transition);
}
a.card:hover .icon-circle {
    transform: scale(1.05);
}

/* ---- Public page ---- */
.public-page-header {
    background: var(--public-header-bg);
    background: linear-gradient(135deg, var(--public-header-bg), color-mix(in srgb, var(--public-header-bg) 75%, black));
    color: #fff;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.public-page-header .page-subtitle { color: rgba(255, 255, 255, 0.9); }

.public-badge {
    background: rgba(255, 255, 255, 0.25) !important;
    color: #fff !important;
    padding: 0.4em 0.75em;
    border-radius: 999px;
    animation: fadeIn 0.5s var(--ease) 0.2s both;
}

/* Theme toggle button */
.theme-toggle-btn {
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.theme-toggle-btn:hover {
    transform: scale(1.03);
}
.theme-toggle-btn:active {
    transform: scale(0.98);
}

.public-stat-card {
    border-left: 4px solid;
    background: var(--card-bg);
    transition: transform var(--transition), box-shadow var(--transition);
}
.public-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}
.public-stat-card .card-body { padding: 1.1rem 1.25rem; }

.public-stat-card.public-stat-1 { border-left-color: var(--public-stat-1); background: color-mix(in srgb, var(--public-stat-1) 10%, transparent); }
.public-stat-card.public-stat-2 { border-left-color: var(--public-stat-2); background: color-mix(in srgb, var(--public-stat-2) 10%, transparent); }
.public-stat-card.public-stat-3 { border-left-color: var(--public-stat-3); background: color-mix(in srgb, var(--public-stat-3) 10%, transparent); }
.public-stat-card.public-stat-4 { border-left-color: var(--public-stat-4); background: color-mix(in srgb, var(--public-stat-4) 10%, transparent); }

.public-card-header {
    background: var(--public-card-header-bg) !important;
    background: linear-gradient(90deg, var(--public-card-header-bg), color-mix(in srgb, var(--public-card-header-bg) 85%, black)) !important;
    color: #fff !important;
    border-bottom: none !important;
    padding: 0.75rem 1.25rem;
}

.public-section-title {
    color: var(--public-section-title) !important;
    font-weight: 700;
}

/* ---- Tables ---- */
.table { margin-bottom: 0; }

.table thead th {
    background: var(--table-head-bg);
    color: var(--table-head-text);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.75rem 1rem;
}

.table th, .table td {
    vertical-align: middle;
    padding: 0.75rem 1rem;
    transition: background var(--transition);
}

.table tbody tr:hover td {
    background: rgba(37, 99, 235, 0.04);
}

.table-responsive { border-radius: 0 0 var(--radius) var(--radius); }

/* ---- Buttons ---- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: transform 0.15s var(--ease), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--brand-primary-dark);
    border-color: var(--brand-primary-dark);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-outline-primary {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}
.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
    color: #fff;
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}

/* ---- Forms ---- */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-label {
    font-weight: 600;
    color: var(--app-text);
}

/* ---- Alerts ---- */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    animation: fadeIn 0.35s var(--ease);
}
.alert-success { background: #ecfdf5; color: #065f46; }
.alert-danger { background: #fef2f2; color: #991b1b; }
.alert-warning { background: #fffbeb; color: #92400e; }
.theme-dark .alert-success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.theme-dark .alert-danger { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
.theme-dark .alert-warning { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }

/* ---- Badges ---- */
.badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    border-radius: 999px;
    font-weight: 500;
}

/* ---- List group ---- */
.list-group-item {
    transition: background var(--transition);
}

/* ---- Login card ---- */
.login-card-wrap .card {
    animation: scaleIn 0.4s var(--ease) both;
}

/* ---- Theme dark overrides ---- */
.theme-dark .form-control,
.theme-dark .form-select,
.theme-dark .form-control:focus,
.theme-dark .form-select:focus {
    background-color: #0f172a;
    color: #e2e8f0;
    border-color: #334155;
}
.theme-dark .form-control:focus,
.theme-dark .form-select:focus {
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.theme-dark .table {
    color: var(--app-text);
    --bs-table-bg: var(--card-bg);
    --bs-table-striped-bg: rgba(148, 163, 184, 0.06);
    --bs-table-hover-bg: rgba(56, 189, 248, 0.1);
}
.theme-dark .table-striped > tbody > tr:nth-of-type(odd) > * { background-color: rgba(148, 163, 184, 0.06); }
.theme-dark .table > :not(caption) > * > * { background-color: var(--card-bg); color: var(--app-text); }
.theme-dark .text-dark, .theme-dark .text-reset { color: var(--app-text) !important; }
.theme-dark .text-muted { color: var(--muted-text) !important; }
.theme-dark .list-group-item { background: var(--card-bg); color: var(--app-text); border-color: var(--card-border); }

/* ============================================
   RESPONSIVE: Tablet & Phone
   ============================================ */

/* Navbar collapse (mobile & tablet) */
@media (max-width: 991.98px) {
    .navbar-collapse {
        padding-top: 0.75rem;
    }
    .navbar-actions {
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        padding-top: 0.75rem;
        margin-top: 0.5rem;
    }
}

/* Navbar di HP: padding isi navbar */
@media (max-width: 991.98px) {
    .navbar .container-fluid {
        width: 100%;
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 767.98px) {
    .navbar {
        padding-top: 0.85rem;
        padding-bottom: 0.85rem;
    }
    .navbar .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .navbar .navbar-brand {
        font-size: 1.25rem;
    }
    .navbar .navbar-brand span {
        font-size: 1.25rem;
        font-weight: 700;
    }
    .navbar-logo {
        height: 42px;
        max-height: 42px;
    }
    .navbar-toggler {
        padding: 0.5rem 0.6rem;
        font-size: 1.25rem;
    }
    .navbar-toggler-icon {
        width: 1.35em;
        height: 1.35em;
    }
    .navbar .nav-link {
        font-size: 1.05rem;
        padding: 0.75rem 0.5rem !important;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    .navbar .nav-link i {
        font-size: 1.2rem;
    }
    .navbar-actions .navbar-text {
        font-size: 0.95rem;
    }
    .navbar-actions .btn,
    .navbar-actions .theme-toggle-btn {
        font-size: 1rem;
        padding: 0.5rem 0.85rem;
        min-height: 44px;
    }
    .navbar-actions .btn-sm {
        font-size: 1rem;
        padding: 0.5rem 0.85rem;
    }
    .navbar-actions form .btn {
        min-height: 44px;
        padding: 0.5rem 1rem;
    }
    .navbar .ms-auto .btn {
        min-height: 44px;
        padding: 0.5rem 0.85rem;
        font-size: 1rem;
    }
}

@media (max-width: 575.98px) {
    .navbar {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }
    .navbar .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    .navbar .navbar-brand span {
        font-size: 1.15rem;
    }
    .navbar-logo {
        height: 38px;
        max-height: 38px;
    }
    .navbar .nav-link {
        font-size: 1rem;
        padding: 0.7rem 0.5rem !important;
    }
}

/* Container & main content: lebar sama dengan navbar, tidak melebihi body */
@media (max-width: 991.98px) {
    .app-shell,
    .app-main {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    .app-main .container-xxl,
    .app-main .main-content,
    .container-xxl.main-content {
        width: 100%;
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
        box-sizing: border-box;
    }
}

@media (max-width: 767.98px) {
    .app-main .container-xxl,
    .app-main .main-content,
    .container-xxl.main-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    .page-title {
        font-size: 1.25rem;
    }
    .page-subtitle {
        font-size: 0.875rem;
    }
    .page-header .btn {
        width: 100%;
        justify-content: center;
    }
    .stat-card .stat-value {
        font-size: 1.4rem;
    }
    .card-body {
        padding: 1rem;
    }
    .card-header {
        padding: 0.75rem 1rem;
    }
    .table thead th,
    .table td,
    .table th {
        padding: 0.5rem 0.6rem;
        font-size: 0.8125rem;
    }
    .table thead th {
        font-size: 0.7rem;
    }
}

@media (max-width: 575.98px) {
    .app-main .container-xxl,
    .app-main .main-content,
    .container-xxl.main-content {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    .page-header .btn {
        font-size: 0.875rem;
    }
    .stat-card .stat-value {
        font-size: 1.25rem;
    }
    .stat-card .stat-label {
        font-size: 0.8rem;
    }
    .btn-sm {
        font-size: 0.8rem;
    }
}

/* Table scroll hint & touch */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
@media (max-width: 767.98px) {
    .card .table-responsive {
        margin-left: -1rem;
        margin-right: -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Public page */
@media (max-width: 991.98px) {
    .public-page-header {
        padding: 1rem 1.25rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .public-page-header .page-title {
        font-size: 1.2rem;
    }
    .public-badge {
        font-size: 0.7rem;
    }
}

@media (max-width: 767.98px) {
    .public-page-header {
        padding: 0.875rem 1rem;
    }
    .public-stat-card .card-body {
        padding: 0.875rem 1rem;
    }
    .public-section-title {
        font-size: 1rem;
    }
}

/* Card header dengan form (students, dll) */
@media (max-width: 767.98px) {
    .card-header.d-flex.justify-content-between {
        flex-direction: column;
        align-items: stretch !important;
        gap: 0.5rem;
    }
    .card-header .form-control,
    .card-header .btn {
        width: 100%;
    }
    .card-header form.d-flex {
        flex-direction: column;
    }
    .card-header form.d-flex .form-control {
        min-width: 0;
    }
}

/* Form rows (settings, dll) */
@media (max-width: 575.98px) {
    .row.g-2 [class*="col-"],
    .row.g-3 [class*="col-"] {
        margin-bottom: 0;
    }
    .d-grid .btn {
        width: 100%;
    }
}

/* Login */
@media (max-width: 575.98px) {
    .login-card-wrap .col-md-4 {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

/* Reduce animation on small screens (optional, better performance) */
@media (max-width: 767.98px) {
    .content-animate > .page-header,
    .content-animate > .alert,
    .content-animate > .row > *,
    .content-animate .row.g-4 > * {
        animation-duration: 0.25s;
    }
}