:root {
    --primary-color: #006a4e;
    --primary-hover: #004d38;
    --accent-color: #d9534f;
    --text-color: #263238;
    --muted-color: #607078;
    --border-color: #dce5e1;
    --surface-color: #ffffff;
    --page-color: #f4f8f6;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text-color); background: var(--page-color); font-family: 'Noto Sans Bengali', 'SolaimanLipi', sans-serif; line-height: 1.6; }
a { color: inherit; }
.gov-top-bar { min-height: 36px; padding: 6px max(15px, calc((100% - 1200px) / 2)); display: flex; justify-content: space-between; gap: 20px; align-items: center; color: var(--muted-color); background: #e8f0ed; border-bottom: 1px solid var(--border-color); font-size: 13px; }
.top-links { display: flex; gap: 16px; }
.top-links a { text-decoration: none; }
.top-links a:hover { color: var(--primary-color); }
.top-links .language-link { font-weight: 700; }
.admin-language-bar { display: flex; justify-content: flex-end; gap: 16px; padding: 6px max(15px, calc((100% - 1200px) / 2)); color: var(--muted-color); background: #e8f0ed; border-bottom: 1px solid var(--border-color); font-size: 13px; }
.admin-language-bar a { color: inherit; font-weight: 700; text-decoration: none; }
.admin-language-bar a:hover { color: var(--primary-color); }
.translation-bridge { display: none; }
.site-header { max-width: 1200px; margin: 0 auto; padding: 18px 15px; display: flex; justify-content: space-between; align-items: center; gap: 20px; background: var(--surface-color); }
.logo-section { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.school-logo { width: 64px; height: 64px; object-fit: contain; border-radius: 50%; }
.site-title strong { display: block; color: var(--primary-color); font-size: clamp(18px, 2.2vw, 25px); }
.site-title small { display: block; color: var(--muted-color); font-size: 12px; }
.header-badge { display: grid; gap: 2px; min-width: 98px; padding: 8px 12px; text-align: center; border: 1px solid var(--border-color); background: #f7faf8; font-size: 12px; }
.header-badge span { color: var(--primary-color); font-weight: 700; }
.site-navigation { position: relative; z-index: 1000; background: var(--primary-color); box-shadow: 0 2px 5px rgba(0,0,0,.1); }
.site-navigation > ul { max-width: 1200px; margin: 0 auto; padding: 0 15px; display: flex; flex-wrap: wrap; list-style: none; }
.site-navigation li { position: relative; }
.site-navigation > ul > li > a { display: block; padding: 12px 16px; color: #fff; text-decoration: none; font-size: 15px; transition: background .3s; white-space: nowrap; }
.site-navigation > ul > li > a:hover, .site-navigation > ul > li > a.active { background: var(--primary-hover); }
.site-navigation .nav-more-toggle { display: block; padding: 12px 16px; border: 0; color: #fff; background: transparent; font: inherit; font-size: 15px; cursor: pointer; white-space: nowrap; }
.site-navigation .nav-more-toggle:hover, .site-navigation .nav-more-toggle[aria-expanded="true"] { background: var(--primary-hover); }
.site-navigation .nav-overflow { position: absolute; z-index: 1001; top: 100%; right: 0; min-width: 250px; padding: 0; list-style: none; background: var(--primary-color); box-shadow: 0 4px 8px rgba(0,0,0,.15); }
.site-navigation .nav-overflow > li { border-bottom: 1px solid rgba(255,255,255,.16); }
.site-navigation .nav-overflow > li:last-child { border-bottom: none; }
.site-navigation .nav-overflow > li > a { display: block; padding: 12px 16px; color: #fff; text-decoration: none; white-space: nowrap; }
.site-navigation .nav-overflow > li > a:hover, .site-navigation .nav-overflow > li > a.active { background: var(--primary-hover); }
.site-navigation .nav-overflow > li > .dropdown { position: static; width: 100%; min-width: 0; border-top: 1px solid rgba(255,255,255,.16); box-shadow: none; }
.site-navigation .nav-overflow > li > .dropdown li a { padding-left: 30px; }
.site-navigation .nav-overflow[hidden] { display: none; }
.site-navigation ul li .dropdown { position: absolute; z-index: 1001; top: 100%; left: 0; min-width: 210px; padding: 0; display: none; list-style: none; background: #fff; border-top: 3px solid var(--accent-color); box-shadow: 0 4px 8px rgba(0,0,0,.15); }
.site-navigation ul li:hover > .dropdown { display: block; }
.site-navigation ul li .dropdown li { width: 100%; border-bottom: 1px solid var(--border-color); }
.site-navigation ul li .dropdown li:last-child { border-bottom: none; }
.site-navigation ul li .dropdown li a { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; color: #333; background: #fff; font-size: 14px; text-decoration: none; transition: background .2s, color .2s, padding-left .2s; }
.site-navigation ul li .dropdown li a:hover { padding-left: 20px; color: var(--primary-color); background: #f4f7f6; }
.site-navigation .dropdown-icon { margin-left: 5px; font-size: 12px; }
.site-footer { margin-top: 40px; padding: 30px 15px 14px; color: #dbe7e2; background: #203b35; }
.footer-grid { max-width: 1170px; margin: 0 auto; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 35px; }
.footer-col h3 { margin: 0 0 10px; color: #fff; font-size: 17px; }
.footer-col p, .footer-col ul { margin: 0; font-size: 13px; line-height: 1.9; }
.footer-col ul { padding-left: 18px; }
.footer-col a { color: inherit; text-decoration: none; }
.footer-col a:hover { color: #8ed1b2; }
.footer-bottom { max-width: 1170px; margin: 25px auto 0; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.16); text-align: center; font-size: 12px; }
@media (max-width: 700px) {
    .gov-top-bar, .site-header { align-items: flex-start; flex-direction: column; }
    .site-navigation > ul { display: grid; grid-template-columns: repeat(2, 1fr); }
    .site-navigation > ul > li > a { padding: 9px 10px; }
    .site-navigation > ul > .nav-more { grid-column: 1 / -1; }
    .site-navigation .nav-more-toggle { width: 100%; padding: 9px 10px; }
    .site-navigation .nav-overflow { position: static; width: 100%; min-width: 0; box-shadow: none; }
    .site-navigation .nav-overflow > li > a { padding: 9px 10px; text-align: center; white-space: normal; }
    .site-navigation .nav-overflow > li > .dropdown { position: static; width: 100%; }
    .site-navigation ul li .dropdown { position: static; width: 100%; }
    .site-navigation ul li:hover > .dropdown { display: none; }
    .site-navigation ul li:focus-within > .dropdown { display: block; }
    .footer-grid { grid-template-columns: 1fr; }
}

/* Keep pages usable when their older local styles are loaded after this file. */
img, iframe, video { max-width: 100%; }
button, input, select, textarea { max-width: 100%; }

@media (max-width: 700px) {
    body { overflow-x: hidden; }
    .gov-top-bar,
    .admin-language-bar,
    .site-header,
    header {
        width: 100%;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .gov-top-bar,
    .admin-language-bar,
    .site-header,
    header {
        align-items: flex-start !important;
        flex-direction: column !important;
    }
    .top-links { flex-wrap: wrap; gap: 8px 12px; }
    .logo-section { max-width: 100%; }
    .site-title { min-width: 0; }
    .site-title strong,
    .site-title h1 { overflow-wrap: anywhere; }
    .site-title small,
    .site-title p { overflow-wrap: anywhere; }
    .header-badge { align-self: stretch; min-width: 0; }

    .site-navigation,
    nav { padding-left: 0 !important; padding-right: 0 !important; }
    .site-navigation > ul,
    nav > ul,
    nav ul {
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .site-navigation > ul > li > a,
    .site-navigation .nav-more-toggle,
    nav ul li a {
        min-height: 44px;
        padding: 9px 8px !important;
        text-align: center;
        white-space: normal !important;
        overflow-wrap: anywhere;
    }
    .site-navigation ul li .dropdown,
    nav ul li .dropdown {
        min-width: 0;
        width: 100%;
    }
    .site-navigation ul li .dropdown li a,
    nav ul li .dropdown li a { text-align: left; }

    .container,
    .about-page,
    .admission-page,
    .headmaster-page,
    .staff-page,
    .teacher-page,
    .sitemap-page {
        width: 100%;
        max-width: 100%;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .footer-grid { width: 100%; }
    .footer-bottom { overflow-wrap: anywhere; }

    .contact-grid,
    .about-story,
    .about-facts,
    .about-pillars,
    .statistics-grid,
    .ssc-summary-grid,
    .teacher-stats,
    .teacher-grid,
    .staff-grid,
    .sitemap-grid,
    .form-grid,
    .tracking-form {
        grid-template-columns: 1fr !important;
    }
    .about-intro,
    .teacher-hero,
    .staff-hero,
    .headmaster-hero,
    .admission-intro,
    .form-actions,
    .page-header,
    .controls-bar,
    .controls-card,
    .header {
        align-items: stretch !important;
        flex-direction: column !important;
    }
    .about-intro,
    .teacher-hero,
    .staff-hero,
    .headmaster-hero { padding: 28px 20px !important; }
    .about-facts,
    .about-statistics,
    .ssc-results,
    .teacher-list-section,
    .staff-list-section,
    .card,
    .container { padding-left: 20px; padding-right: 20px; }

    .form-grid-notice { grid-template-columns: 1fr !important; }
    .filter-grid { grid-template-columns: 1fr !important; }
    .tab-menu,
    .routine-tabs { flex-wrap: wrap; }
    .tab-btn { flex: 1 1 140px; justify-content: center; padding-left: 10px; padding-right: 10px; }
    .search-box,
    .filter-group,
    .admission-badge { width: 100%; }
    .search-box input { width: 100% !important; }
    .notice-card { align-items: stretch; flex-direction: column; }
    .notice-actions { flex-wrap: wrap; }
    .btn-action { flex: 1 1 120px; justify-content: center; }
    .table-responsive,
    .table-wrapper,
    .ssc-table-wrap,
    .teacher-table-wrap { max-width: 100%; overflow-x: auto; }
    table { min-width: 620px; }
}

@media (min-width: 701px) and (max-width: 1050px) {
    .site-navigation > ul > li > a,
    nav ul li a { padding-left: 10px; padding-right: 10px; }
    .container { grid-template-columns: 210px minmax(0, 1fr) 210px; }
}