/* Shared responsive UI layer for public and administrative pages. */
:root {
    --app-primary: #5eead4;
    --app-primary-strong: #0f766e;
    --app-surface: rgba(15, 23, 42, .82);
    --app-surface-raised: rgba(30, 41, 59, .78);
    --app-text: #f8fafc;
    --app-muted: #cbd5e1;
    --app-border: rgba(255, 255, 255, .14);
    --app-shadow: 0 16px 40px rgba(2, 6, 23, .26);
    --app-focus: 0 0 0 .25rem rgba(99, 102, 241, .32);
    --app-accent: #22c55e;
    --app-highlight: #f59e0b;
    --app-radius: 1.125rem;
    --app-radius-sm: .75rem;
}

html[data-theme="light"] {
    --app-primary: #0f766e;
    --app-primary-strong: #115e59;
    --app-surface: rgba(255, 255, 255, .94);
    --app-surface-raised: #ffffff;
    --app-text: #172033;
    --app-muted: #475569;
    --app-border: #dbe3ef;
    --app-shadow: 0 16px 40px rgba(15, 23, 42, .12);
}

html[data-theme="light"] body {
    --primary: #4338ca;
    --primary-dark: #3730a3;
    --glass-bg: var(--app-surface);
    --glass-border: var(--app-border);
    --text-main: var(--app-text);
    --text-primary: var(--app-text);
    --text-secondary: var(--app-muted);
    --text-muted: var(--app-muted);
    color: var(--app-text);
    background-color: #f4f7fb;
    background-image: linear-gradient(135deg, #f8fafc 0%, #e8edff 100%);
}

html[data-theme="dark"] body {
    color: var(--app-text);
}

html, body { min-height: 100%; }
body { font-family: 'Prompt', system-ui, sans-serif; line-height: 1.65; }
body::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    content: '';
    pointer-events: none;
    background-image: radial-gradient(circle at 8% 10%, rgba(99, 102, 241, .13), transparent 24rem),
        radial-gradient(circle at 92% 4%, rgba(34, 197, 94, .08), transparent 23rem);
}

h1, h2, h3, h4, h5, h6 { letter-spacing: -.015em; }

:where(a, button, input, select, textarea):focus-visible {
    outline: none;
    box-shadow: var(--app-focus) !important;
}

.app-theme-toggle {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 1100;
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    color: #fff;
    background: var(--app-primary);
    box-shadow: var(--app-shadow);
    font-size: 1.1rem;
    transition: transform .2s ease, background-color .2s ease;
}

.app-theme-toggle:hover { color: #fff; background: var(--app-primary-strong); transform: translateY(-2px); }
.app-theme-toggle:active { transform: translateY(0); }

.admin-nav, .navbar, header {
    border-color: var(--app-border) !important;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .04);
}

.glass-card, .dashboard-card, .login-card, .stat-card, .document-card {
    border-color: var(--app-border) !important;
    box-shadow: var(--app-shadow);
}

.glass-card, .stat-card, .document-card, .login-card {
    position: relative;
    overflow: hidden;
}

.glass-card::after, .stat-card::after, .document-card::after, .login-card::after {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    content: '';
    opacity: .9;
    background: linear-gradient(90deg, transparent, var(--app-primary), transparent);
}

.glass-card:hover, .stat-card:hover, .document-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--app-primary) 56%, var(--app-border)) !important;
    box-shadow: 0 20px 44px rgba(15, 23, 42, .18);
}

.app-page-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.app-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .35rem;
    color: var(--app-primary);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.app-heading-copy { color: var(--app-muted); margin: 0; font-size: .95rem; }
.app-heading-title { margin: 0; color: var(--app-text); font-weight: 700; }

.app-hero-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    color: var(--app-text);
    background: linear-gradient(120deg, color-mix(in srgb, var(--app-primary) 18%, var(--app-surface)), var(--app-surface-raised));
    box-shadow: var(--app-shadow);
}

.app-hero-panel::before {
    position: absolute;
    width: 14rem;
    height: 14rem;
    right: -5rem;
    bottom: -7rem;
    content: '';
    border: 1px solid color-mix(in srgb, var(--app-primary) 55%, transparent);
    border-radius: 50%;
    box-shadow: 0 0 0 1.5rem color-mix(in srgb, var(--app-primary) 10%, transparent),
        0 0 0 3.5rem color-mix(in srgb, var(--app-primary) 6%, transparent);
}

.app-insight-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .875rem;
    margin: 1.5rem 0 2rem;
}

.app-insight {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    background: color-mix(in srgb, var(--app-surface-raised) 78%, transparent);
}

.app-insight-label { display: block; color: var(--app-muted); font-size: .82rem; }
.app-insight-value { display: block; margin-top: .15rem; color: var(--app-text); font-size: clamp(1.35rem, 3vw, 1.85rem); font-weight: 700; line-height: 1.2; }
.app-insight-icon { float: right; color: var(--app-primary); opacity: .9; }

.app-section-title {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin: 0 0 1rem;
    color: var(--app-text);
    font-size: 1.08rem;
    font-weight: 700;
}
.app-section-title i { display: grid; width: 2.15rem; height: 2.15rem; place-items: center; border-radius: .65rem; color: var(--app-primary); background: color-mix(in srgb, var(--app-primary) 14%, transparent); }

.form-control, .form-select, .dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    min-height: 2.75rem;
    border-color: var(--app-border) !important;
    color: var(--app-text) !important;
    background-color: var(--app-surface) !important;
}

.form-control, .form-select { border-radius: .75rem !important; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.form-control:hover, .form-select:hover { border-color: color-mix(in srgb, var(--app-primary) 45%, var(--app-border)) !important; }
.form-control:focus, .form-select:focus { transform: translateY(-1px); }
.form-label { color: var(--app-text) !important; font-weight: 600; }
.form-control::placeholder { color: var(--app-muted) !important; opacity: .85; }
.form-select option { color: var(--app-text); background-color: var(--app-surface-raised); }
.form-text, .text-muted, .text-white-50, .document-meta { color: var(--app-muted) !important; }

.btn, .btn-glass, .btn-download {
    min-height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    touch-action: manipulation;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
}
.btn-primary { border: 0; background: linear-gradient(135deg, var(--app-primary), var(--app-primary-strong)); box-shadow: 0 .65rem 1.35rem color-mix(in srgb, var(--app-primary) 28%, transparent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 .85rem 1.6rem color-mix(in srgb, var(--app-primary) 35%, transparent); }
.btn:active, .btn-glass:active, .btn-download:active { transform: translateY(1px) scale(.98); }
.btn:disabled { cursor: not-allowed; filter: saturate(.55); }

.btn-glass {
    color: var(--app-text) !important;
    border-color: var(--app-border) !important;
    background: var(--app-surface) !important;
}

.table { color: var(--app-text) !important; }
.table > :not(caption) > * > * { border-color: var(--app-border); }
.table thead th { color: var(--app-muted) !important; white-space: nowrap; }
.table tbody tr { transition: background-color .18s ease, transform .18s ease; }
.table-hover > tbody > tr:hover > * { color: var(--app-text); background-color: color-mix(in srgb, var(--app-primary) 7%, transparent); }
.table-responsive { border-radius: .75rem; }

.dataTables_wrapper .dataTables_paginate .paginate_button { min-width: 2.5rem; min-height: 2.5rem; }
.dataTables_wrapper .dataTables_filter, .dataTables_wrapper .dataTables_length { margin-bottom: .75rem; }
.dataTables_wrapper .dataTables_info { color: var(--app-muted) !important; }
.badge { padding: .45em .68em; border-radius: 999px; font-weight: 600; letter-spacing: .01em; }
.alert { border-radius: var(--app-radius-sm); border-width: 1px; box-shadow: 0 .5rem 1.5rem rgba(15, 23, 42, .08); }
.empty-state {
    display: grid;
    min-height: 11rem;
    place-items: center;
    padding: 2rem;
    border: 1px dashed var(--app-border);
    border-radius: var(--app-radius);
    color: var(--app-muted);
    text-align: center;
}
.empty-state i { margin-bottom: .5rem; color: var(--app-primary); font-size: 2rem; }
.swal2-popup { background: var(--app-surface-raised) !important; color: var(--app-text) !important; border: 1px solid var(--app-border); }
.swal2-html-container, .swal2-title { color: var(--app-text) !important; }

@media (max-width: 767.98px) {
    body { font-size: .95rem; }
    .container { padding-right: 1rem; padding-left: 1rem; }
    .glass-card, .dashboard-card, .login-card { border-radius: 1rem !important; }
    .dashboard-card { padding: 1.25rem !important; margin-top: 1rem !important; }
    .navbar .container, .admin-nav .container { gap: .75rem; }
    .navbar-text, .navbar .text-muted { display: none; }
    .d-flex.justify-content-between { align-items: stretch !important; gap: .75rem; }
    .d-flex.justify-content-between > .btn,
    .d-flex.justify-content-between > a.btn { width: 100%; }
    .app-page-heading { flex-direction: column; margin-bottom: 1rem; }
    .app-page-heading .btn { width: 100%; }
    .app-insight-grid { grid-template-columns: 1fr; gap: .65rem; margin: 1rem 0 1.5rem; }
    .app-insight { padding: .875rem 1rem; }
    .status-filter { max-width: none !important; width: 100%; }
    .table-responsive { margin-right: -1rem; margin-left: -1rem; padding-right: 1rem; padding-left: 1rem; }
    .dataTables_wrapper .row > * { margin-bottom: .75rem; }
    .dataTables_wrapper .dataTables_filter input { width: 100% !important; margin-left: 0; }
    .dataTables_wrapper .dataTables_length select { min-width: 4.75rem; }
    .hero-section { padding-top: 4rem !important; padding-bottom: 4rem !important; }
    .hero-title, .hero-content h1 { font-size: clamp(1.75rem, 8vw, 2.4rem) !important; }
    .hero-subtitle, .hero-content p { font-size: 1rem !important; }
    .nav-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .25rem; }
    .nav-tabs .nav-link { white-space: nowrap; min-height: 2.75rem; }
    .mobile-menu-btn { min-width: 2.75rem; min-height: 2.75rem; }
    .nav-menu { display: none; }
    .nav-menu.is-open { display: flex; }
    .app-theme-toggle { width: 2.75rem; height: 2.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (prefers-reduced-motion: no-preference) {
    .app-hero-panel, .glass-card, .stat-card, .document-card, .login-card { animation: app-reveal .45s ease both; }
    .app-insight:nth-child(2) { animation-delay: .07s; }
    .app-insight:nth-child(3) { animation-delay: .14s; }
    @keyframes app-reveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
}

/* Unified workspace: restrained surfaces, readable Thai typography and touch controls. */
html { scroll-padding-top: 6rem; }
html[data-theme] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }
html[data-theme] body {
    --primary: var(--app-primary);
    --primary-dark: var(--app-primary-strong);
    --glass-bg: var(--app-surface);
    --glass-border: var(--app-border);
    --text-main: var(--app-text);
    --text-primary: var(--app-text);
    --text-secondary: var(--app-muted);
    --text-muted: var(--app-muted);
    background: #0b1424;
    color: var(--app-text);
    -webkit-font-smoothing: antialiased;
}
html[data-theme="light"] body { background: #f3f6f8; }
body::before { background: none; }
h1, h2, h3, h4 { line-height: 1.45; text-wrap: balance; }
a, p, td { overflow-wrap: anywhere; }
img { max-width: 100%; }
/* Use the available viewport width at every Bootstrap breakpoint. */
.container {
    width: 100%;
    max-width: none;
    padding-left: clamp(1rem, 2vw, 2rem);
    padding-right: clamp(1rem, 2vw, 2rem);
}
.app-public-nav, .admin-nav, body > .navbar {
    background: var(--app-surface-raised) !important;
    border-bottom: 1px solid var(--app-border);
    padding: 1rem 0;
}
.app-public-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.app-brand { display: flex; align-items: center; gap: .8rem; color: var(--app-text); text-decoration: none; }
.app-brand:hover { color: var(--app-primary); }
.app-brand-mark { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; border-radius: .85rem; background: #0f766e; color: white; }
.app-brand strong, .app-brand small { display: block; }
.app-brand strong { font-size: 1rem; }
.app-brand small { color: var(--app-muted); font-size: .7rem; }
.app-public-links { display: flex; gap: .75rem; align-items: center; }
.app-public-links a { text-decoration: none; font-size: .875rem; }
.app-public-links > a:not(.btn) { color: var(--app-muted); padding: .6rem; }
.navbar .brand, .navbar-brand.text-white, .login-header .brand, .login-header .brand i {
    background: none; -webkit-text-fill-color: currentColor; color: var(--app-text) !important;
    align-items: center; gap: .65rem;
}
.navbar-brand { white-space: normal; font-size: 1rem; }
.hero-section { background: none !important; padding: 4.5rem 0 4rem !important; }
.hero-section::before, .hero-section::after { display: none; }
.hero-content { max-width: 860px; margin: auto; }
.hero-content .hero-title { background: none; -webkit-text-fill-color: currentColor; color: var(--app-text); font-size: clamp(1.8rem, 3.4vw, 3rem); line-height: 1.5; letter-spacing: -.035em; }
.hero-organization { display: block; margin-top: 1rem; font-size: clamp(.95rem, 1.5vw, 1.15rem); font-weight: 400; color: var(--app-muted); letter-spacing: 0; }
.hero-content .hero-subtitle { color: var(--app-muted); max-width: 680px; margin: 1.25rem auto 0; font-size: 1rem; }
.app-hero-actions { display: flex; justify-content: center; gap: .75rem; flex-wrap: wrap; margin-top: 1.75rem; }
.glass-card, .dashboard-card, .login-card, .stat-card, .document-card {
    background: var(--app-surface-raised) !important;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(15, 23, 42, .045);
    backdrop-filter: none;
}
.glass-card::after, .stat-card::after, .document-card::after, .login-card::after { display: none; }
.glass-card:hover, .stat-card:hover, .document-card:hover { transform: none; box-shadow: 0 4px 20px rgba(15, 23, 42, .045); }
a.glass-card:hover, a > .service-card:hover { transform: translateY(-3px); }
.service-section { margin-top: 0; padding: 0 0 1rem; }
.service-card { height: 100%; padding: 1.75rem; text-align: left; }
.service-section .col-lg-4 > a { display: block; height: 100%; }
.service-card .service-icon { width: 3rem; height: 3rem; margin: 0 0 1.1rem; font-size: 1.3rem; border-radius: .85rem; background: rgba(20,184,166,.12); color: var(--app-primary); }
.service-card h3 { color: var(--app-text); font-size: 1.15rem; }
.service-card p { color: var(--app-muted); font-size: .9rem; margin-bottom: 0; }
.tab-container { padding: clamp(1rem, 3vw, 2rem); }
.library-intro { gap: 1rem; }
.library-intro h2 { font-size: 1.5rem; }
#myTab.library-tabs .nav-link.active { box-shadow: none; }
.app-hero-panel { box-shadow: none; background: var(--app-surface); }
.app-insight { background: var(--app-surface-raised); padding: 1.3rem; }
.app-insight-value { font-variant-numeric: tabular-nums; }
.dashboard-card { padding: 2rem; }
.category-link, .category-link:hover { color: var(--app-text) !important; }
.category-link .text-white { color: var(--app-text) !important; }
.btn, .btn-glass, .btn-download, .btn-login { min-height: 44px; border-radius: .7rem; }
.btn-primary, .btn-login, .btn-download { background: #0f766e; color: white; box-shadow: none; }
.btn-primary:hover, .btn-login:hover, .btn-download:hover { background: #115e59; color: white; box-shadow: none; }
.btn-outline-light { color: var(--app-text); border-color: var(--app-border); }
.text-primary { color: var(--app-primary) !important; }
html[data-theme="light"] .text-info { color: #0369a1 !important; }
html[data-theme="light"] .text-warning { color: #92400e !important; }
.form-control, .form-select { font-size: 1rem; }
.form-control:focus, .form-select:focus { transform: none; }
.form-floating > .form-control::placeholder { color: transparent !important; }
.form-floating > label, .form-floating > .form-control ~ label { color: var(--app-muted); }
.form-floating > label::after { background: var(--app-surface-raised) !important; }
.form-control:-webkit-autofill { -webkit-text-fill-color: var(--app-text); -webkit-box-shadow: 0 0 0 100px var(--app-surface-raised) inset; }
.form-control[type="file"] { padding: .65rem; }
.form-control::file-selector-button { background: var(--app-surface); color: var(--app-text); }
.table { --bs-table-bg: transparent; --bs-table-color: var(--app-text); }
.table:not(.library-shelf) th { background: var(--app-surface); padding: 1rem; font-size: .8rem; font-weight: 500; }
.table:not(.library-shelf) td { padding: 1rem; vertical-align: middle; }
.table-responsive { overscroll-behavior-x: contain; }
.page-link { background: var(--app-surface-raised); color: var(--app-text); border-color: var(--app-border); min-width: 44px; min-height: 44px; }
.page-item.active .page-link { background: #0f766e; border-color: #0f766e; }
.page-item.disabled .page-link { background: var(--app-surface); color: var(--app-muted); border-color: var(--app-border); }
.login-container { max-width: 480px; }
.login-card { padding: clamp(1.5rem, 5vw, 3rem); }
.login-header { margin-bottom: 2rem; }
.footer { background: var(--app-surface-raised); border-top: 1px solid var(--app-border); padding: 3rem 0 5rem; }
.footer-title, .footer-link { color: var(--app-text); }
.app-skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 10001; padding: .75rem 1rem; background: #0f766e; color: white; border-radius: .5rem; }
.app-skip-link:focus { top: 1rem; color: white; }
@media (max-width: 767.98px) {
    .app-public-nav .container { gap: .8rem; }
    .app-public-links { width: 100%; justify-content: space-between; }
    .hero-section { padding: 2.5rem 0 !important; }
    .hero-content .hero-title { font-size: 1.8rem !important; }
    .hero-organization { line-height: 1.8; }
    .app-hero-actions .btn { flex: 1 1 auto; }
    .service-section .row { --bs-gutter-y: .75rem; }
    .service-card { padding: 1.25rem; }
    .service-card .service-icon { float: left; margin: 0 1rem 1rem 0; }
    .glass-card.p-4 { padding: 1rem !important; }
    .library-intro { flex-direction: column; align-items: flex-start; }
    #myTab.library-tabs { flex-wrap: nowrap; overflow-x: auto; }
    #myTab.library-tabs .nav-item { flex: 0 0 auto; }
    .table-responsive { margin: 0; padding: 0; }
    .table:not(.library-shelf) { min-width: 640px; }
    .navbar .container { flex-wrap: wrap; }
    .navbar .ms-auto { margin-left: 0 !important; }
    .form-control, .form-select { max-width: 100%; min-width: 0; }
    .login-container { padding: .5rem; }
    .login-card { padding: 1.5rem; }
    .app-theme-toggle { bottom: max(1rem, env(safe-area-inset-bottom)); }
}
@media print {
    .app-theme-toggle, .app-public-nav, .navbar, .app-hero-actions { display: none !important; }
    html[data-theme] body, .glass-card, .dashboard-card { background: white !important; color: black !important; box-shadow: none; }
}
.app-theme-toggle { background: #0f766e; }
html[data-theme="light"] .alert-danger { color: #b91c1c; }
html[data-theme="light"] .alert-danger .text-danger { color: #b91c1c !important; }