/*
 * Vibrant Green–Yellow Theme
 * โทนสีสดใสสำหรับเว็บไซต์โรงเรียน โดยยังคงความเป็นทางการและอ่านง่าย
 */

:root {
    --school-green: #0b9b4a;
    --school-green-bright: #19b866;
    --school-green-dark: #056234;
    --school-emerald: #0d8f57;
    --school-yellow: #ffd43b;
    --school-gold: #ffb020;
    --school-lime: #b9e83f;
    --school-teal: #14b8a6;
    --school-sky: #3b82f6;
    --school-coral: #ff7a59;
    --body-bg: #f7fff9;
    --card-bg: rgba(255, 255, 255, .94);
    --text-main: #12351f;
    --muted: #63766a;
    --border-soft: rgba(11, 155, 74, .14);
    --shadow-soft: 0 18px 48px rgba(5, 98, 52, .12);
    --shadow-hover: 0 28px 70px rgba(5, 98, 52, .20);
    --radius-xl: 30px;
    --radius-lg: 24px;
    --radius-md: 18px;
}

[data-bs-theme="dark"] {
    --body-bg: #07150d;
    --card-bg: rgba(15, 34, 23, .92);
    --text-main: #f2fff5;
    --muted: #afc3b5;
    --border-soft: rgba(185, 232, 63, .14);
    --shadow-soft: 0 20px 55px rgba(0, 0, 0, .38);
    --shadow-hover: 0 30px 78px rgba(0, 0, 0, .5);
}

html {
    accent-color: var(--school-green);
}

body {
    background:
        radial-gradient(circle at 5% 2%, rgba(255, 212, 59, .24), transparent 25rem),
        radial-gradient(circle at 95% 14%, rgba(20, 184, 166, .14), transparent 28rem),
        radial-gradient(circle at 50% 100%, rgba(185, 232, 63, .12), transparent 34rem),
        var(--body-bg);
    background-attachment: fixed;
    color: var(--text-main);
}

::selection {
    background: rgba(255, 212, 59, .72);
    color: #17351f;
}

/* Loader */
.page-loader {
    background:
        radial-gradient(circle at 28% 25%, rgba(255, 255, 255, .28), transparent 24%),
        linear-gradient(135deg, #056234 0%, #0b9b4a 45%, #ffd43b 100%);
}

.loader-logo {
    border: 1px solid rgba(255, 255, 255, .45);
    box-shadow: 0 22px 65px rgba(0, 0, 0, .22);
}

/* Header and navigation */
.topbar {
    background: linear-gradient(90deg, #045a30 0%, #0a9650 55%, #12a75a 100%);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.school-navbar {
    position: sticky;
    background: rgba(255, 255, 255, .9);
    border-bottom: 0;
    box-shadow: 0 8px 30px rgba(5, 98, 52, .08);
    transition: box-shadow .25s ease, background-color .25s ease, transform .25s ease;
}

.school-navbar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--school-green), var(--school-lime), var(--school-yellow), var(--school-green));
    background-size: 220% 100%;
    animation: navbarStripe 8s linear infinite;
}

@keyframes navbarStripe {
    to { background-position: 220% 0; }
}

.school-navbar.is-scrolled {
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 14px 42px rgba(5, 98, 52, .16);
}

[data-bs-theme="dark"] .school-navbar,
[data-bs-theme="dark"] .school-navbar.is-scrolled {
    background: rgba(7, 21, 13, .94);
}

.brand-logo {
    width: 50px;
    height: 50px;
    border-radius: 17px;
    background: linear-gradient(145deg, var(--school-green), var(--school-teal) 55%, var(--school-yellow));
    border: 2px solid rgba(255, 255, 255, .8);
    box-shadow: 0 12px 28px rgba(11, 155, 74, .23);
}

.brand-logo-image {
    background: #fff;
    padding: 4px;
}

.brand-text strong {
    color: var(--school-green-dark);
    font-weight: 800;
    letter-spacing: -.01em;
}

[data-bs-theme="dark"] .brand-text strong {
    color: #eaffef;
}

.nav-link {
    position: relative;
    border-radius: 999px;
    padding: .6rem .76rem !important;
    transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--school-green-dark);
    background: linear-gradient(135deg, rgba(185, 232, 63, .2), rgba(255, 212, 59, .24));
    transform: translateY(-1px);
}

[data-bs-theme="dark"] .nav-link:hover,
[data-bs-theme="dark"] .nav-link.active {
    color: #effff3;
    background: rgba(185, 232, 63, .12);
}

.dropdown-menu {
    padding: .65rem;
    border: 1px solid var(--border-soft) !important;
    background: var(--card-bg);
    backdrop-filter: blur(18px);
}

.dropdown-item {
    border-radius: 13px;
    padding: .65rem .8rem;
    font-weight: 600;
}

.dropdown-item:hover,
.dropdown-item:focus {
    color: var(--school-green-dark);
    background: linear-gradient(135deg, rgba(185, 232, 63, .22), rgba(255, 212, 59, .2));
}

.navbar-toggler {
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    box-shadow: none !important;
}

/* Buttons */
.btn {
    font-weight: 700;
    border-radius: 14px;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background-color .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-success {
    border-color: transparent;
    background: linear-gradient(135deg, var(--school-green) 0%, var(--school-green-bright) 58%, var(--school-teal) 100%);
    box-shadow: 0 10px 24px rgba(11, 155, 74, .22);
}

.btn-success:hover,
.btn-success:focus {
    border-color: transparent;
    background: linear-gradient(135deg, var(--school-green-dark), var(--school-green), var(--school-teal));
    box-shadow: 0 15px 32px rgba(11, 155, 74, .3);
    filter: saturate(1.08);
}

.btn-outline-success {
    color: var(--school-green-dark);
    border-color: rgba(11, 155, 74, .42);
    background: rgba(255, 255, 255, .5);
}

.btn-outline-success:hover,
.btn-outline-success:focus {
    color: #12351f;
    border-color: var(--school-yellow);
    background: linear-gradient(135deg, var(--school-lime), var(--school-yellow));
    box-shadow: 0 12px 26px rgba(255, 176, 32, .24);
}

[data-bs-theme="dark"] .btn-outline-success {
    color: #dfffe8;
    background: rgba(255, 255, 255, .025);
}

/* General cards and headings */
.glass-card,
.quick-card,
.stat-card,
.teacher-card,
.news-card,
.dashboard-card,
.info-mini-card,
.calendar-card,
.download-card {
    border: 1px solid rgba(11, 155, 74, .13);
    box-shadow: var(--shadow-soft);
}

.glass-card {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .97), rgba(249, 255, 250, .86));
}

[data-bs-theme="dark"] .glass-card {
    background: linear-gradient(145deg, rgba(19, 42, 28, .94), rgba(10, 27, 17, .9));
}

.section-label,
.eyebrow {
    padding: .38rem .78rem;
    border: 1px solid rgba(11, 155, 74, .17);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(185, 232, 63, .22), rgba(255, 212, 59, .25));
    color: var(--school-green-dark);
    box-shadow: 0 8px 18px rgba(11, 155, 74, .08);
}

[data-bs-theme="dark"] .section-label,
[data-bs-theme="dark"] .eyebrow {
    color: #dfffe8;
    background: rgba(185, 232, 63, .1);
}

.section-title {
    margin-top: .75rem;
    color: var(--text-main);
    letter-spacing: -.035em;
    line-height: 1.2;
}

.section-title::after {
    content: '';
    display: block;
    width: 78px;
    height: 5px;
    margin-top: .65rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--school-green), var(--school-yellow));
}

.text-center .section-title::after {
    margin-inline: auto;
}

.page-header {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 85% 20%, rgba(255, 255, 255, .24), transparent 18rem),
        radial-gradient(circle at 10% 100%, rgba(255, 212, 59, .45), transparent 22rem),
        linear-gradient(125deg, #056234 0%, #0b9b4a 55%, #14b8a6 100%);
    color: #fff;
}

.page-header::after {
    content: '';
    position: absolute;
    inset: auto -8% -70px auto;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 35px solid rgba(255, 212, 59, .18);
}

.page-header h1 {
    font-weight: 900;
    letter-spacing: -.03em;
    text-shadow: 0 6px 20px rgba(0, 0, 0, .16);
}

.page-header p {
    color: rgba(255, 255, 255, .88);
}

/* Banner */
.home-banner-section {
    background:
        radial-gradient(circle at 5% 50%, rgba(255, 212, 59, .16), transparent 16rem),
        radial-gradient(circle at 95% 10%, rgba(20, 184, 166, .1), transparent 18rem);
}

.home-banner-carousel .carousel-inner {
    border: 4px solid rgba(255, 255, 255, .92);
    outline: 1px solid rgba(11, 155, 74, .14);
    box-shadow: 0 24px 70px rgba(5, 98, 52, .18);
}

[data-bs-theme="dark"] .home-banner-carousel .carousel-inner {
    border-color: rgba(255, 255, 255, .1);
}

.home-banner-control-icon {
    border: 2px solid rgba(255, 255, 255, .92);
    background: linear-gradient(145deg, rgba(5, 98, 52, .85), rgba(11, 155, 74, .78));
    box-shadow: 0 10px 25px rgba(0, 0, 0, .2);
}

.home-banner-control:hover .home-banner-control-icon,
.home-banner-control:focus-visible .home-banner-control-icon {
    color: #17351f;
    background: linear-gradient(135deg, var(--school-lime), var(--school-yellow));
}

.home-banner-indicators [data-bs-target] {
    border-color: rgba(255, 255, 255, .95);
    background-color: rgba(5, 98, 52, .72);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .16);
}

.home-banner-indicators .active {
    background: linear-gradient(90deg, var(--school-lime), var(--school-yellow));
}

/* Homepage section surfaces */
.home-section {
    position: relative;
    overflow: hidden;
}

.quick-links-section::before,
.school-info-section::before,
.news-section::before,
.gallery-video-section::before {
    content: '';
    position: absolute;
    pointer-events: none;
    z-index: -1;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    filter: blur(4px);
}

.quick-links-section::before {
    left: -130px;
    top: 10px;
    background: rgba(255, 212, 59, .14);
}

.school-info-section::before {
    right: -130px;
    top: 20px;
    background: rgba(20, 184, 166, .1);
}

.news-section::before {
    left: -120px;
    bottom: -90px;
    background: rgba(59, 130, 246, .08);
}

.gallery-video-section::before {
    right: -120px;
    bottom: -80px;
    background: rgba(185, 232, 63, .12);
}

/* Quick links */
.quick-card {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(150deg, rgba(255, 255, 255, .98), rgba(248, 255, 250, .9));
}

.quick-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: var(--quick-accent, var(--school-green));
}

.quick-card::after {
    content: '';
    position: absolute;
    right: -56px;
    top: -60px;
    width: 145px;
    height: 145px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--quick-accent, var(--school-green)) 14%, transparent);
    z-index: -1;
    transition: transform .35s ease;
}

.quick-links-section .row > div:nth-child(1) .quick-card { --quick-accent: var(--school-green); }
.quick-links-section .row > div:nth-child(2) .quick-card { --quick-accent: var(--school-sky); }
.quick-links-section .row > div:nth-child(3) .quick-card { --quick-accent: var(--school-gold); }
.quick-links-section .row > div:nth-child(4) .quick-card { --quick-accent: var(--school-teal); }

.quick-card i {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(145deg, var(--quick-accent, var(--school-green)), color-mix(in srgb, var(--quick-accent, var(--school-green)) 72%, #12351f));
    box-shadow: 0 14px 30px color-mix(in srgb, var(--quick-accent, var(--school-green)) 24%, transparent);
}

.quick-card:hover {
    border-color: color-mix(in srgb, var(--quick-accent, var(--school-green)) 38%, transparent);
    box-shadow: var(--shadow-hover);
}

.quick-card:hover::after {
    transform: scale(1.18);
}

/* School information cards */
.info-mini-card {
    position: relative;
    overflow: hidden;
    background: var(--card-bg);
}

.info-mini-card::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 5px;
    background: linear-gradient(90deg, var(--school-green), var(--school-yellow));
    transform: scaleX(.35);
    transform-origin: left;
    transition: transform .3s ease;
}

.info-mini-card:hover::after {
    transform: scaleX(1);
}

.info-mini-icon {
    background: linear-gradient(145deg, var(--school-green), var(--school-teal));
    color: #fff;
    box-shadow: 0 13px 28px rgba(11, 155, 74, .22);
}

/* About and system statistics */
.about-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 92% 20%, rgba(255, 212, 59, .24), transparent 22rem),
        linear-gradient(135deg, rgba(185, 232, 63, .12), rgba(20, 184, 166, .08));
    border-block: 1px solid rgba(11, 155, 74, .08);
}

.about-section::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    left: -110px;
    bottom: -110px;
    border-radius: 50%;
    border: 34px solid rgba(11, 155, 74, .07);
}

.stat-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #fff, #f8fff9);
}

.about-section .row.g-3 > div:nth-child(1) .stat-card { --stat-color: var(--school-green); }
.about-section .row.g-3 > div:nth-child(2) .stat-card { --stat-color: var(--school-gold); }
.about-section .row.g-3 > div:nth-child(3) .stat-card { --stat-color: var(--school-sky); }
.about-section .row.g-3 > div:nth-child(4) .stat-card { --stat-color: var(--school-teal); }
.about-section .row.g-3 > div:nth-child(5) .stat-card { --stat-color: var(--school-coral); }

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: var(--stat-color, var(--school-green));
}

.stat-card strong {
    color: var(--stat-color, var(--school-green));
}

/* Visitor statistics */
.visitor-section {
    background:
        radial-gradient(circle at 12% 20%, rgba(255, 212, 59, .15), transparent 19rem),
        radial-gradient(circle at 88% 80%, rgba(20, 184, 166, .12), transparent 23rem);
}

.visitor-stats-panel {
    border: 1px solid rgba(11, 155, 74, .15);
}

.visitor-stat-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(245, 255, 248, .9));
}

.visitor-stat-card:nth-child(1) { --visitor-accent: var(--school-green); }
.visitor-stat-card:nth-child(2) { --visitor-accent: var(--school-gold); }
.visitor-stat-card:nth-child(3) { --visitor-accent: var(--school-sky); }
.visitor-stat-card:nth-child(4) { --visitor-accent: var(--school-teal); }

.visitor-stat-icon {
    background: linear-gradient(145deg, var(--visitor-accent, var(--school-green)), color-mix(in srgb, var(--visitor-accent, var(--school-green)) 70%, #12351f));
}

/* News */
.news-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 26px;
}

.news-card::after {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 5px;
    background: linear-gradient(90deg, var(--school-green), var(--school-lime), var(--school-yellow));
}

.news-card img {
    transition: transform .55s ease, filter .35s ease;
}

.news-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(11, 155, 74, .28);
}

.news-card:hover img {
    transform: scale(1.055);
    filter: saturate(1.08) contrast(1.02);
}

.news-card h5 a:hover {
    color: var(--school-green);
}

.text-bg-success-soft {
    background: linear-gradient(135deg, rgba(185, 232, 63, .26), rgba(255, 212, 59, .28));
    color: var(--school-green-dark);
    border: 1px solid rgba(11, 155, 74, .12);
}

/* Staff */
.staff-section {
    position: relative;
    background:
        radial-gradient(circle at 10% 10%, rgba(59, 130, 246, .08), transparent 20rem),
        radial-gradient(circle at 90% 80%, rgba(255, 212, 59, .18), transparent 22rem),
        linear-gradient(135deg, rgba(11, 155, 74, .055), rgba(20, 184, 166, .06));
}

.teacher-card {
    position: relative;
    overflow: hidden;
    background: var(--card-bg);
}

.teacher-card::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 78px;
    background: linear-gradient(135deg, rgba(11, 155, 74, .18), rgba(255, 212, 59, .3));
    z-index: 0;
}

.teacher-card > * {
    position: relative;
    z-index: 1;
}

.teacher-card img {
    box-shadow: 0 12px 28px rgba(5, 98, 52, .18);
    border-color: rgba(255, 212, 59, .8);
    background: #fff;
}

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

/* Gallery and video */
.video-card {
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
}

.video-card .ratio {
    border-bottom: 4px solid var(--school-yellow);
}

.gallery-item {
    box-shadow: 0 12px 28px rgba(5, 98, 52, .12);
    border: 3px solid rgba(255, 255, 255, .92);
}

.gallery-item img {
    transition: transform .45s ease, filter .35s ease;
}

.gallery-item:hover {
    box-shadow: 0 22px 48px rgba(5, 98, 52, .2);
}

.gallery-item:hover img {
    transform: scale(1.08) rotate(.5deg);
    filter: saturate(1.1);
}

/* Calendar */
.event-section {
    background:
        radial-gradient(circle at 85% 15%, rgba(255, 212, 59, .15), transparent 22rem),
        linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(185, 232, 63, .07));
}

.calendar-card {
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
}

.calendar-card-header i {
    color: #fff;
    background: linear-gradient(145deg, var(--school-green), var(--school-teal));
    box-shadow: 0 12px 26px rgba(11, 155, 74, .2);
}

.calendar-toolbar {
    border-bottom-color: rgba(11, 155, 74, .12);
}

.calendar-day.is-today .calendar-date-number,
.calendar-day.today .calendar-date-number {
    background: linear-gradient(135deg, var(--school-green), var(--school-teal));
    box-shadow: 0 7px 18px rgba(11, 155, 74, .28);
}

.event-list-date {
    background: linear-gradient(135deg, var(--school-lime), var(--school-yellow));
    color: #17351f;
}

/* Footer */
.footer-section {
    position: relative;
    overflow: hidden;
    color: rgba(255, 255, 255, .9);
    background:
        radial-gradient(circle at 10% 0%, rgba(255, 212, 59, .2), transparent 23rem),
        radial-gradient(circle at 95% 100%, rgba(20, 184, 166, .22), transparent 28rem),
        linear-gradient(135deg, #033c20 0%, #056234 45%, #087a46 100%);
}

.footer-section::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--school-yellow), var(--school-lime), var(--school-teal), var(--school-yellow));
}

.footer-section h5,
.footer-section h6,
.footer-section .text-muted,
.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, .9) !important;
}

.footer-links a:hover {
    color: var(--school-yellow) !important;
    padding-left: .3rem;
}

.social-btn {
    border: 1px solid rgba(255, 255, 255, .22);
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(10px);
}

.social-btn:hover {
    color: #17351f !important;
    background: linear-gradient(135deg, var(--school-lime), var(--school-yellow));
    transform: translateY(-3px);
}

.footer-bottom {
    background: rgba(0, 0, 0, .18);
    border-top: 1px solid rgba(255, 255, 255, .1);
}

/* Forms, pagination and tables */
.form-control,
.form-select {
    border-color: rgba(11, 155, 74, .18);
    border-radius: 15px;
    background-color: color-mix(in srgb, var(--card-bg) 94%, transparent);
    box-shadow: 0 5px 14px rgba(5, 98, 52, .035);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--school-green-bright);
    box-shadow: 0 0 0 .25rem rgba(11, 155, 74, .13), 0 8px 20px rgba(5, 98, 52, .08);
}

.form-check-input:checked {
    background-color: var(--school-green);
    border-color: var(--school-green);
}

.page-link {
    color: var(--school-green-dark);
    border-color: rgba(11, 155, 74, .13);
    margin: 0 .16rem;
    border-radius: 12px !important;
}

.page-item.active .page-link {
    border-color: transparent;
    background: linear-gradient(135deg, var(--school-green), var(--school-teal));
    box-shadow: 0 8px 18px rgba(11, 155, 74, .2);
}

.table {
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(185, 232, 63, .08);
}

.table thead th {
    color: var(--school-green-dark);
    background: linear-gradient(135deg, rgba(185, 232, 63, .13), rgba(255, 212, 59, .13));
    border-bottom-color: rgba(11, 155, 74, .16);
}

[data-bs-theme="dark"] .table thead th {
    color: #e5ffeb;
}

/* Admin */
.admin-body {
    background:
        radial-gradient(circle at 100% 0%, rgba(255, 212, 59, .17), transparent 30rem),
        radial-gradient(circle at 0% 100%, rgba(20, 184, 166, .12), transparent 34rem),
        var(--body-bg);
}

.admin-sidebar {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 10% 4%, rgba(255, 212, 59, .2), transparent 15rem),
        linear-gradient(180deg, #034c28 0%, #06733e 52%, #07502d 100%);
    box-shadow: 16px 0 48px rgba(3, 76, 40, .18);
}

.admin-sidebar::after {
    content: '';
    position: absolute;
    width: 230px;
    height: 230px;
    right: -115px;
    bottom: -100px;
    border-radius: 50%;
    border: 30px solid rgba(255, 212, 59, .1);
    pointer-events: none;
}

.sidebar-brand {
    padding: .65rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
}

.sidebar-menu a {
    position: relative;
    border: 1px solid transparent;
    transition: background-color .2s ease, transform .2s ease, border-color .2s ease;
}

.sidebar-menu a i {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, .1);
}

.sidebar-menu a:hover {
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, .12);
    background: linear-gradient(90deg, rgba(255, 255, 255, .16), rgba(255, 212, 59, .08));
}

.admin-topbar {
    border: 1px solid rgba(11, 155, 74, .12);
    box-shadow: 0 14px 40px rgba(5, 98, 52, .1);
}

.dashboard-card {
    position: relative;
    overflow: hidden;
    min-height: 118px;
    background: var(--card-bg);
}

.dashboard-card::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    background: var(--dash-accent, var(--school-green));
}

.admin-content .row > div:nth-child(4n + 1) .dashboard-card { --dash-accent: var(--school-green); }
.admin-content .row > div:nth-child(4n + 2) .dashboard-card { --dash-accent: var(--school-gold); }
.admin-content .row > div:nth-child(4n + 3) .dashboard-card { --dash-accent: var(--school-sky); }
.admin-content .row > div:nth-child(4n + 4) .dashboard-card { --dash-accent: var(--school-teal); }

.dashboard-card i {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 19px;
    color: #fff !important;
    background: linear-gradient(145deg, var(--dash-accent, var(--school-green)), color-mix(in srgb, var(--dash-accent, var(--school-green)) 70%, #12351f));
    box-shadow: 0 13px 28px color-mix(in srgb, var(--dash-accent, var(--school-green)) 22%, transparent);
}

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

.badge.text-bg-success {
    background: linear-gradient(135deg, var(--school-green), var(--school-teal)) !important;
}

/* Authentication */
.auth-wrapper {
    background:
        radial-gradient(circle at 15% 15%, rgba(255, 212, 59, .35), transparent 24rem),
        radial-gradient(circle at 85% 85%, rgba(20, 184, 166, .25), transparent 28rem),
        linear-gradient(135deg, #eaffef 0%, #fffbed 50%, #ebfffa 100%);
}

[data-bs-theme="dark"] .auth-wrapper {
    background:
        radial-gradient(circle at 15% 15%, rgba(255, 212, 59, .12), transparent 24rem),
        radial-gradient(circle at 85% 85%, rgba(20, 184, 166, .12), transparent 28rem),
        #07150d;
}

.auth-card {
    border-top: 6px solid var(--school-yellow);
    box-shadow: 0 30px 90px rgba(5, 98, 52, .22);
}

.auth-logo {
    padding: .7rem .9rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(185, 232, 63, .18), rgba(255, 212, 59, .2));
}

/* Animation polish */
[data-animate] {
    transition-duration: .65s;
    transition-timing-function: cubic-bezier(.2, .75, .25, 1);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* Responsive */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: .8rem;
        padding: .8rem;
        border: 1px solid var(--border-soft);
        border-radius: 20px;
        background: var(--card-bg);
        box-shadow: var(--shadow-soft);
    }

    .nav-link {
        padding: .7rem .9rem !important;
    }
}

@media (max-width: 575.98px) {
    .section-title::after {
        width: 58px;
        height: 4px;
    }

    .quick-card i {
        width: 54px;
        height: 54px;
        border-radius: 17px;
        font-size: 1.85rem;
    }

    .home-banner-carousel .carousel-inner {
        border-width: 3px;
    }
}

/* Accent assignment for visitor cards (cards are nested inside Bootstrap columns). */
.visitor-section .row.g-3 > div:nth-child(1) .visitor-stat-card { --visitor-accent: var(--school-green); }
.visitor-section .row.g-3 > div:nth-child(2) .visitor-stat-card { --visitor-accent: var(--school-gold); }
.visitor-section .row.g-3 > div:nth-child(3) .visitor-stat-card { --visitor-accent: var(--school-sky); }
.visitor-section .row.g-3 > div:nth-child(4) .visitor-stat-card { --visitor-accent: var(--school-teal); }

/* Facebook quick link and footer page */
.quick-links-section .row > div:nth-child(5) .quick-card {
    --quick-accent: #1877f2;
}

.footer-facebook-button {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .68rem 1rem;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 14px;
    color: #fff !important;
    background: linear-gradient(135deg, rgba(24, 119, 242, .9), rgba(10, 79, 176, .9));
    box-shadow: 0 10px 24px rgba(0, 40, 105, .22);
    transition: transform .25s ease, box-shadow .25s ease;
}

.footer-facebook-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 40, 105, .3);
}

.footer-facebook-section {
    padding: 1.15rem;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 22px;
    background: rgba(255, 255, 255, .08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
    backdrop-filter: blur(10px);
}

.facebook-page-frame {
    display: flex;
    justify-content: center;
    min-height: 280px;
    overflow: hidden;
    border-radius: 16px;
    background: #fff;
}

.facebook-page-frame iframe {
    display: block;
    width: min(100%, 500px);
    max-width: 100%;
}

.footer-embed-card {
    border: 1px solid rgba(255, 255, 255, .14);
}

@media (max-width: 575.98px) {
    .facebook-page-frame {
        min-height: 260px;
    }

    .facebook-page-frame iframe {
        height: 260px;
    }
}