@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root {
  --sttin-primary:#0f2f66;
  --sttin-secondary:#d4a62a;
  --sttin-accent:#2c8c49;
  --sttin-bg:#f5f8fc;
  --sttin-surface:#ffffff;
  --sttin-text:#182333;
  --sttin-muted:#5b6677;
  --sttin-footer:#09152d;
  --sttin-header:#ffffff;
  --line:rgba(15,47,102,.10);
  --shadow-sm:0 10px 28px rgba(10,20,40,.08);
  --shadow-lg:0 20px 48px rgba(10,20,40,.14);
  --radius:22px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:'Inter',system-ui,sans-serif;background:var(--sttin-bg);color:var(--sttin-text);line-height:1.65} img{max-width:100%;display:block} a{text-decoration:none;color:inherit} .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.screen-reader-text{position:absolute;left:-9999px}
.site-header{position:sticky;top:0;z-index:50;background:var(--sttin-header);box-shadow:0 1px 0 var(--line);transition:transform .32s ease, box-shadow .32s ease, opacity .32s ease}.site-header.is-hidden{transform:translateY(calc(-100% - 8px));opacity:0;pointer-events:none;box-shadow:none}
.header-topbar{background:var(--sttin-primary);color:#fff}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}.topbar-note{font-size:.9rem;font-weight:700;letter-spacing:.01em}.topbar-contact{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:.92rem;color:rgba(255,255,255,.9)}
.header-brand-row{border-bottom:1px solid var(--line)} .brand-row-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;padding:16px 0}
.site-brand{display:flex;align-items:center;gap:16px;min-width:0}.site-brand-logo img,.site-brand-logo .custom-logo{width:76px;height:76px;object-fit:contain}.site-brand-logo{position:relative;border-radius:50%;overflow:hidden;display:inline-flex;isolation:isolate}.logo-shine-wrap::after{content:'';position:absolute;inset:-15% -40%;background:linear-gradient(115deg,transparent 36%,rgba(255,255,255,.0) 42%,rgba(255,255,255,.58) 50%,rgba(255,255,255,.0) 58%,transparent 64%);transform:translateX(-140%) rotate(8deg);animation:sttinLogoShine 4.8s ease-in-out infinite;pointer-events:none;mix-blend-mode:screen;z-index:2}@keyframes sttinLogoShine{0%,18%{transform:translateX(-140%) rotate(8deg)}44%{transform:translateX(140%) rotate(8deg)}100%{transform:translateX(140%) rotate(8deg)}}
.site-brand-text{display:flex;flex-direction:column;min-width:0;gap:2px}.site-brand-text strong{font-size:clamp(1.1rem,2vw,1.9rem);line-height:1.2;color:var(--sttin-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.site-brand-text small{font-size:1rem;color:var(--sttin-muted);display:block}.site-brand-text em{font-style:normal;font-size:.92rem;color:var(--sttin-muted);display:block}
.brand-cta-cluster{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.menu-search-shell{position:relative;display:flex;align-items:center;gap:10px;margin-left:auto}.menu-search-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--sttin-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.menu-search-toggle:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.menu-search-toggle svg{width:20px;height:20px;fill:currentColor}.menu-search-panel{position:absolute;top:calc(100% + 12px);right:0;display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:999px;background:#fff;overflow:hidden;min-width:min(360px,85vw);box-shadow:var(--shadow-md);z-index:30}.menu-search-panel[hidden]{display:none !important}.menu-search-panel input{border:0;outline:0;padding:12px 16px;min-width:0;width:100%;font:inherit}.menu-search-panel button{border:0;background:var(--sttin-primary);color:#fff;font:inherit;font-weight:700;padding:12px 16px;cursor:pointer}
.header-menu-row{padding:10px 0}.menu-row-inner{display:flex;align-items:center;gap:18px}.primary-nav{flex:1;min-width:0}.primary-menu,.footer-menu{list-style:none;margin:0;padding:0;display:flex;gap:6px;align-items:center;flex-wrap:wrap}.primary-menu > li > a{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;font-weight:700;color:var(--sttin-text);font-size:1rem;position:relative}.primary-menu > li.current-menu-item > a,.primary-menu > li.current-menu-ancestor > a,.primary-menu > li > a:hover{background:#edf4ff;color:var(--sttin-primary)}
.primary-menu li{position:relative}.primary-menu .sub-menu{list-style:none;margin:0;padding:12px;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);display:none;min-width:220px;z-index:20}.primary-menu li:hover>.sub-menu,.primary-menu li:focus-within>.sub-menu{display:block}.primary-menu .sub-menu a{display:block;padding:8px 10px;border-radius:10px}.primary-menu .sub-menu a:hover{background:#f4f8ff}
.primary-menu > li.menu-item-news-indicator > a{padding-right:36px}.primary-menu > li.menu-item-news-indicator > a::after{content:'';position:absolute;top:50%;right:14px;width:12px;height:12px;border-radius:50%;background:#d91515;transform:translateY(-50%);box-shadow:0 0 0 2px rgba(0,0,0,.26),0 0 10px rgba(0,0,0,.35);animation:sttinNewsPulse 1.15s infinite ease-in-out}@keyframes sttinNewsPulse{0%,100%{opacity:1;transform:translateY(-50%) scale(1);box-shadow:0 0 0 2px rgba(0,0,0,.26),0 0 10px rgba(0,0,0,.35)}50%{opacity:.55;transform:translateY(-50%) scale(.82);box-shadow:0 0 0 2px rgba(0,0,0,.35),0 0 16px rgba(0,0,0,.5)}}
.primary-btn,.ghost-btn,.ghost-white-btn,.text-link{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:700;transition:.25s ease}.primary-btn{background:linear-gradient(135deg,var(--sttin-secondary),#f2ca59);color:#1b2433;padding:13px 22px;box-shadow:var(--shadow-sm)}.primary-btn:hover{transform:translateY(-2px)}.primary-btn.small{padding:12px 18px;font-size:.95rem}.primary-btn.large{padding:15px 28px}.ghost-btn{padding:12px 18px;border:1px solid var(--line);color:var(--sttin-primary);background:#fff}.ghost-btn.small{padding:11px 16px;font-size:.95rem}.ghost-white-btn{padding:13px 22px;border:1px solid rgba(255,255,255,.24);color:#fff;background:rgba(255,255,255,.08)}.text-link{color:var(--sttin-primary)}
.menu-toggle{display:none;background:transparent;border:0;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--sttin-primary);margin:5px 0}
.hero-slider{position:relative;overflow:hidden}.hero-track{position:relative;min-height:540px}.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;visibility:hidden;transition:opacity .6s ease,visibility .6s ease}.hero-slide.is-active{opacity:1;visibility:visible;position:relative}.hero-content-wrap{display:flex;align-items:center;min-height:540px;padding:60px 0}.hero-content{max-width:700px;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.45)}.hero-badge{display:inline-flex;padding:8px 14px;border-radius:999px;background:rgba(8,27,66,.35);backdrop-filter:blur(6px);font-size:.84rem;font-weight:700}.hero-content h1{font-size:clamp(2.4rem,4vw,4.2rem);line-height:1.1;margin:16px 0}.hero-content p{font-size:1.05rem;max-width:640px;color:rgba(255,255,255,.95)}.hero-dots{position:absolute;left:0;right:0;bottom:24px;display:flex;gap:8px}.hero-dot{width:12px;height:12px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer}.hero-dot.is-active{background:#fff}
.section{padding:72px 0}.section-stats{padding:26px 0 0}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat-card,.quick-link-card,.post-card,.partner-card,.article-card,.card-widget,.widget-announcement,.sidebar-area .widget,.event-card{background:var(--sttin-surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius)}.stat-card{padding:22px;text-align:center}.stat-card strong{display:block;font-size:1.8rem;color:var(--sttin-primary)}.stat-card span{color:var(--sttin-muted)}
.section-header{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-title{font-size:clamp(1.8rem,2.8vw,2.6rem);line-height:1.2;margin:0 0 8px;color:var(--sttin-primary)}.section-subtitle{max-width:760px;color:var(--sttin-muted);margin:0}
.quick-links-grid,.post-grid,.partners-grid,.events-grid{display:grid;gap:22px}.quick-links-grid{grid-template-columns:repeat(3,1fr)}.quick-link-card{padding:24px;min-height:180px}.quick-link-card h3{margin:0 0 10px;color:var(--sttin-primary);font-size:1.5rem;line-height:1.2}.quick-link-card p{margin:0;color:var(--sttin-muted)}
.tabs-shell{background:var(--sttin-surface);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow-sm)}.tab-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}.tab-button{border:0;background:#e9f1fb;color:var(--sttin-primary);padding:12px 18px;border-radius:999px;font-weight:700;cursor:pointer}.tab-button.active{background:var(--sttin-primary);color:#fff}.tab-panel{display:none}.tab-panel.active{display:block}.post-grid{grid-template-columns:repeat(3,1fr)}.post-card{overflow:hidden}.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-content{padding:22px}.card-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--sttin-muted);font-size:.88rem}.card-title{font-size:1.15rem;line-height:1.35;margin:12px 0;color:var(--sttin-primary)}.card-content p{margin:0;color:var(--sttin-muted)}
.events-grid{grid-template-columns:repeat(3,1fr)}.event-card{overflow:hidden}.event-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}.event-card__body{padding:22px}.event-date-chip{display:inline-flex;padding:8px 12px;background:#edf4ff;color:var(--sttin-primary);font-weight:700;border-radius:999px;font-size:.85rem;margin-bottom:12px}.event-card h3{margin:0 0 10px;color:var(--sttin-primary)}.event-card p{margin:0;color:var(--sttin-muted)}
.alt-surface{background:rgba(255,255,255,.42)}.partners-slider-shell{position:relative}.partners-grid{display:flex;gap:18px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:8px;scrollbar-width:thin}.partner-card{display:flex;flex-direction:column;overflow:hidden;min-width:280px;flex:0 0 clamp(260px,30vw,330px)}.partner-card__thumb{padding:22px;background:#fff;display:flex;align-items:center;justify-content:center}.partner-card__thumb img{width:100%;height:120px;object-fit:contain}.partner-card__body{padding:22px}.partner-card__body h3{margin:0 0 10px;color:var(--sttin-primary)}.partner-card__body p{margin:0;color:var(--sttin-muted)}.partner-meta{display:grid;gap:6px;margin:0 0 14px;font-size:.92rem;color:var(--sttin-muted)}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--sttin-primary);box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;z-index:5}.slider-arrow.left{left:-12px}.slider-arrow.right{right:-12px}.slider-arrow:hover{background:#edf4ff}
.widget-announcement{padding:24px}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:30px;background:linear-gradient(135deg,var(--sttin-primary),#163c7c);color:#fff;border-radius:28px;box-shadow:var(--shadow-lg)}.cta-panel h2{margin:12px 0;font-size:clamp(1.8rem,3vw,2.6rem)}.cta-panel p{margin:0;color:rgba(255,255,255,.84)}
.page-hero{background:linear-gradient(135deg,var(--sttin-primary),#173f80);color:#fff;padding:48px 0}.page-hero h1{margin:0 0 8px;font-size:clamp(2rem,3.4vw,3rem)}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.content-wrap{display:block}.article-card{padding:28px}.single-featured{margin-bottom:24px;border-radius:18px;overflow:hidden}.article-card h2,.article-card h3,.article-card h4{color:var(--sttin-primary)}.sidebar-area{display:grid;gap:20px}.post-nav-links{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.post-nav-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--sttin-primary);box-shadow:var(--shadow-sm);font-weight:700}.post-nav-link small{display:block;color:var(--sttin-muted);font-weight:600}.post-nav-link.next{text-align:right}.post-nav-link:hover{transform:translateY(-2px)}
.search-results-list{display:grid;gap:18px}.search-result-card{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.site-footer{background:var(--sttin-footer);color:rgba(255,255,255,.82);margin-top:72px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;padding:56px 0 24px}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:14px}.footer-brand img,.footer-brand .custom-logo{width:64px;height:64px;object-fit:contain}.footer-brand h3{margin:0;color:#fff}.footer-brand p,.footer-widget,.footer-widget p,.footer-widget li{color:rgba(255,255,255,.78)}.footer-title{color:#fff;margin-top:0}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 28px}.footer-menu a{color:#fff}
@media (max-width: 1180px){.brand-row-inner{grid-template-columns:minmax(0,1fr)}.brand-cta-cluster{justify-content:flex-start}.menu-row-inner{align-items:flex-start;flex-direction:column}.primary-nav{width:100%}.menu-search-shell{margin-left:0}.menu-search-panel{position:static;min-width:min(420px,100%)}}
@media (max-width: 1080px){.quick-links-grid,.post-grid,.footer-grid,.stats-grid,.content-grid,.events-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}}
@media (max-width: 900px){.topbar-inner{flex-direction:column;align-items:flex-start}.menu-toggle{display:inline-block}.menu-row-inner{justify-content:space-between;align-items:center;flex-direction:row}.primary-nav{display:none;position:absolute;left:16px;right:16px;top:100%;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);padding:16px}.primary-nav.active{display:block}.primary-menu{flex-direction:column;align-items:flex-start}.primary-menu .sub-menu{position:static;display:block;border:0;box-shadow:none;padding:8px 0 0 12px;min-width:0}.site-header{position:sticky}.site-header.is-hidden{transform:none;opacity:1;pointer-events:auto}.header-menu-row{position:relative}.cta-panel,.section-header,.footer-bottom{flex-direction:column;align-items:flex-start}.slider-arrow{display:none}}
@media (max-width: 640px){.quick-links-grid,.post-grid,.footer-grid,.stats-grid,.events-grid{grid-template-columns:1fr}.hero-track,.hero-content-wrap{min-height:500px}.hero-content h1{font-size:2rem}.site-brand-logo img,.site-brand-logo .custom-logo{width:56px;height:56px}.site-brand-text strong{font-size:1rem}.site-brand-text small{font-size:.84rem}.site-brand-text em{font-size:.8rem}.topbar-contact{gap:8px;flex-direction:column;align-items:flex-start}.post-nav-links{grid-template-columns:1fr}}

/* Theme toggle + document module */
body[data-theme="dark"]{
  --sttin-bg:#0f1726;
  --sttin-surface:#162133;
  --sttin-text:#e9eef7;
  --sttin-muted:#aab7cb;
  --sttin-header:#101a2b;
  --sttin-footer:#08101d;
  --line:rgba(255,255,255,.12);
  color-scheme:dark;
}
body[data-theme="dark"] .site-header,
body[data-theme="dark"] .header-menu-row,
body[data-theme="dark"] .header-brand-row,
body[data-theme="dark"] .card-widget,
body[data-theme="dark"] .post-card,
body[data-theme="dark"] .event-card,
body[data-theme="dark"] .partner-card,
body[data-theme="dark"] .search-result-card,
body[data-theme="dark"] .article-card,
body[data-theme="dark"] .quick-link-card,
body[data-theme="dark"] .menu-search-panel,
body[data-theme="dark"] .stat-card,
body[data-theme="dark"] .document-card,
body[data-theme="dark"] .document-reader__frame-wrap{background:var(--sttin-surface)}
body[data-theme="dark"] .ghost-btn{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1);color:var(--sttin-text)}
body[data-theme="dark"] .menu-search-toggle,
body[data-theme="dark"] .text-link,
body[data-theme="dark"] .primary-menu a,
body[data-theme="dark"] .site-brand-text strong,
body[data-theme="dark"] .site-brand-text small,
body[data-theme="dark"] .site-brand-text em{color:var(--sttin-text)}
body[data-theme="dark"] .hero-slide::before{background:linear-gradient(90deg,rgba(8,14,24,.82),rgba(8,14,24,.28))}
.theme-toggle.tiny{min-height:32px;padding:0 12px;border-radius:999px;font-size:.8rem;font-weight:800;line-height:1;cursor:pointer;border:1px solid var(--line);background:rgba(255,255,255,.78);color:var(--sttin-primary);box-shadow:var(--shadow-sm)}
.theme-toggle.tiny:hover{transform:translateY(-1px)}
.documents-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.document-card{display:flex;flex-direction:column;overflow:hidden;border-radius:24px;border:1px solid var(--line);background:var(--sttin-surface);box-shadow:var(--shadow-sm)}
.document-card__cover{display:flex;flex-direction:column;justify-content:space-between;gap:18px;min-height:220px;padding:24px;background:linear-gradient(135deg,var(--sttin-primary),#254b89);color:#fff}
.document-card__cover:hover{color:#fff}
.document-card__cover-badge{display:inline-flex;align-items:center;justify-content:center;width:max-content;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.14);font-size:.78rem;font-weight:800;letter-spacing:.04em}
.document-card__cover-title{font-size:1.2rem;line-height:1.35;font-weight:800;max-width:16ch}
.document-card__body{display:grid;gap:14px;padding:22px}
.document-card__body h3{margin:0;color:var(--sttin-primary)}
.document-card__body p{margin:0;color:var(--sttin-muted)}
.document-meta{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:.9rem;color:var(--sttin-muted)}
.document-actions{display:flex;flex-wrap:wrap;gap:10px}
.document-reader-shell{display:grid;gap:0;margin-bottom:20px}
.document-reader__frame-wrap{overflow:hidden;border-radius:24px;border:1px solid var(--line);background:var(--sttin-surface);box-shadow:var(--shadow-sm)}
.document-reader__frame{display:block;width:100%;min-height:760px;border:0;background:#fff}
@media (max-width:1080px){.documents-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.documents-grid{grid-template-columns:1fr}.document-reader__frame{min-height:560px}.theme-toggle.tiny{font-size:.75rem;padding:0 10px}}


.nav-chip{min-height:40px;padding:8px 16px !important;font-size:.92rem !important;font-weight:800;line-height:1.1;border-width:0;box-shadow:var(--shadow-sm)}
.nav-chip--library{background:linear-gradient(135deg,#f4b000,#ffd45f);color:#182333 !important}
.nav-chip--documents{background:linear-gradient(135deg,#13a36f,#67d6a8);color:#0f1f18 !important}
.nav-chip--journal{background:linear-gradient(135deg,#3d63d8,#8db0ff);color:#08152f !important}
.nav-chip--admission{background:linear-gradient(135deg,var(--sttin-secondary),#f2ca59);color:#1b2433 !important}
.nav-chip:hover{transform:translateY(-1px);filter:saturate(1.02) brightness(1.01)}
body[data-theme="dark"] .nav-chip--library{color:#172033 !important}
body[data-theme="dark"] .nav-chip--documents{color:#092117 !important}
body[data-theme="dark"] .nav-chip--journal{color:#09172b !important}
body[data-theme="dark"] .nav-chip--admission{color:#1a2230 !important}
body[data-theme="dark"] .topbar-contact,
body[data-theme="dark"] .topbar-note{color:rgba(255,255,255,.92)}
body[data-theme="dark"] .primary-menu > li > a:hover,
body[data-theme="dark"] .primary-menu > li.current-menu-item > a,
body[data-theme="dark"] .primary-menu > li.current-menu-ancestor > a{background:rgba(141,176,255,.12);color:#edf4ff}
body[data-theme="dark"] .primary-menu .sub-menu,
body[data-theme="dark"] .primary-nav.active{background:var(--sttin-surface)}
body[data-theme="dark"] .document-card__body h3,
body[data-theme="dark"] .card-title,
body[data-theme="dark"] .event-card h3,
body[data-theme="dark"] .partner-card__body h3,
body[data-theme="dark"] .quick-link-card h3,
body[data-theme="dark"] .article-card h2,
body[data-theme="dark"] .article-card h3,
body[data-theme="dark"] .article-card h4{color:#edf4ff}
.document-reader{display:grid;gap:0}
.document-reader__status{display:flex;align-items:center;justify-content:center;min-height:160px;padding:18px;color:var(--sttin-muted);font-weight:700}
.document-reader__flipbook{margin:0 auto;padding:18px 14px 22px}
.document-flip-page{background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.document-flip-page canvas{display:block;width:100%;height:auto;background:#fff}
body[data-theme="dark"] .document-flip-page,
body[data-theme="dark"] .document-flip-page canvas{background:#fff}
@media (max-width:1180px){.nav-chip{font-size:.88rem !important;padding:8px 14px !important}}
@media (max-width:640px){.nav-chip{font-size:.82rem !important;padding:7px 12px !important;min-height:36px}}


/* Header action refinements */
body[data-theme="dark"] .site-header,
body[data-theme="dark"] .header-brand-row,
body[data-theme="dark"] .header-menu-row{color:var(--sttin-text)}
body[data-theme="dark"] .menu-search-toggle,
body[data-theme="dark"] .theme-toggle.tiny{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:var(--sttin-text)}
body[data-theme="dark"] .menu-search-toggle svg{fill:currentColor}
body[data-theme="dark"] .menu-search-panel input{background:transparent;color:var(--sttin-text)}
body[data-theme="dark"] .menu-search-panel input::placeholder{color:var(--sttin-muted)}
.brand-row-inner{grid-template-columns:minmax(0,1fr) auto;column-gap:20px;row-gap:14px}
.brand-cta-cluster{display:flex;align-items:center;justify-content:flex-end;gap:10px 12px;flex-wrap:wrap;max-width:100%}
.nav-chip{position:relative;min-height:38px;padding:8px 14px !important;font-size:.88rem !important;font-weight:800;letter-spacing:.01em;line-height:1.1;border:1px solid rgba(0,0,0,.04);box-shadow:0 8px 20px rgba(10,20,40,.08)}
.nav-chip::before{content:'';width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.35;margin-right:8px;flex:0 0 auto}
.nav-chip--library{background:linear-gradient(135deg,#f0c248,#ffd96f);color:#243041 !important}
.nav-chip--documents{background:linear-gradient(135deg,#33b984,#9be6c6);color:#113227 !important}
.nav-chip--journal{background:linear-gradient(135deg,#5277ea,#a9c2ff);color:#102342 !important}
.nav-chip--admission{background:linear-gradient(135deg,#d5a62d,#f1ca5b);color:#1d2635 !important}
.nav-chip:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(10,20,40,.12)}
.theme-toggle.tiny{min-width:66px}
@media (max-width:1180px){
  .brand-row-inner{grid-template-columns:1fr}
  .brand-cta-cluster{justify-content:flex-start}
}
@media (max-width:900px){
  .brand-row-inner{grid-template-columns:1fr;align-items:flex-start}
  .brand-cta-cluster{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:10px;margin-top:4px}
  .nav-chip{width:100%;min-height:40px;padding:9px 12px !important;justify-content:center;text-align:center}
  .menu-row-inner{gap:12px}
}
@media (max-width:640px){
  .brand-cta-cluster{grid-template-columns:1fr 1fr}
  .nav-chip{font-size:.8rem !important;min-height:38px;padding:8px 10px !important}
  .menu-search-shell{width:100%;justify-content:flex-end}
  .theme-toggle.tiny{min-height:36px;padding:0 12px}
}


/* ===== v4 stability + document table refinements ===== */
html[data-theme="dark"],
body[data-theme="dark"]{color-scheme:dark}
body[data-theme="dark"]{background:var(--sttin-bg);color:var(--sttin-text)}
body[data-theme="dark"] a:not(.primary-btn):not(.ghost-btn):not(.ghost-white-btn):not(.nav-chip){color:inherit}
body[data-theme="dark"] .section-title,
body[data-theme="dark"] .text-link,
body[data-theme="dark"] .document-title-link,
body[data-theme="dark"] .site-brand-text strong,
body[data-theme="dark"] .card-title,
body[data-theme="dark"] .quick-link-card h3,
body[data-theme="dark"] .event-card h3,
body[data-theme="dark"] .partner-card__body h3,
body[data-theme="dark"] .article-card h1,
body[data-theme="dark"] .article-card h2,
body[data-theme="dark"] .article-card h3,
body[data-theme="dark"] .article-card h4{color:var(--sttin-text) !important}
body[data-theme="dark"] .section-subtitle,
body[data-theme="dark"] .document-submeta,
body[data-theme="dark"] .document-reader__desc,
body[data-theme="dark"] .document-actions--table,
body[data-theme="dark"] .card-meta,
body[data-theme="dark"] .document-meta,
body[data-theme="dark"] .card-content p,
body[data-theme="dark"] .event-card__body p,
body[data-theme="dark"] .partner-card__body p,
body[data-theme="dark"] .article-card p,
body[data-theme="dark"] .document-card__body p{color:var(--sttin-muted) !important}
body[data-theme="dark"] .menu-search-toggle,
body[data-theme="dark"] .theme-toggle.tiny{background:rgba(255,255,255,.08) !important;border-color:rgba(255,255,255,.14) !important;color:var(--sttin-text) !important}
body[data-theme="dark"] .theme-toggle.tiny:hover,
body[data-theme="dark"] .menu-search-toggle:hover{background:rgba(255,255,255,.12) !important}
body[data-theme="dark"] .primary-menu > li > a{color:var(--sttin-text) !important}
body[data-theme="dark"] .documents-table-wrap,
body[data-theme="dark"] .document-reader__summary,
body[data-theme="dark"] .document-reader__frame-wrap{background:var(--sttin-surface)}

.theme-toggle.tiny{display:inline-flex;align-items:center;justify-content:center;min-width:72px;min-height:38px;padding:0 14px;border-radius:999px;font-size:.86rem;font-weight:800;line-height:1;border:1px solid var(--line);background:var(--sttin-surface);color:var(--sttin-primary);cursor:pointer;box-shadow:var(--shadow-sm)}
.theme-toggle.tiny:focus-visible,.menu-search-toggle:focus-visible,.documents-table a:focus-visible{outline:3px solid rgba(59,130,246,.28);outline-offset:2px}

.documents-section .section-subtitle{max-width:720px}
.documents-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:var(--sttin-surface);box-shadow:var(--shadow-sm)}
.documents-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;color:var(--sttin-text)}
.documents-table thead th{padding:16px 18px;background:rgba(15,47,102,.06);color:var(--sttin-primary);font-size:.92rem;font-weight:800;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.documents-table tbody td{padding:18px;vertical-align:top;border-bottom:1px solid var(--line);font-size:.96rem}
.documents-table tbody tr:last-child td{border-bottom:0}
.documents-table tbody tr:hover{background:rgba(15,47,102,.025)}
.documents-table tbody td:first-child{width:68px;font-weight:800;color:var(--sttin-primary)}
.document-name-cell{display:grid;gap:6px;min-width:220px}
.document-title-link{display:inline-block;font-weight:800;color:var(--sttin-primary);line-height:1.45}
.document-submeta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:.86rem;color:var(--sttin-muted)}
.document-actions--table{display:flex;flex-wrap:wrap;gap:10px;min-width:150px}
.document-actions--table .ghost-btn,.document-actions--table .primary-btn{min-width:88px}

.document-reader-shell--enhanced{display:grid;gap:22px}
.document-reader__summary{display:grid;gap:14px;padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--sttin-surface);box-shadow:var(--shadow-sm)}
.document-reader__summary .partner-meta{margin:0}
.document-reader__desc{margin:0;line-height:1.8}
.document-actions--reader{margin-top:4px}

@media (max-width:900px){
  .documents-table{min-width:680px}
  .brand-cta-cluster{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px}
  .nav-chip{min-height:42px;padding:10px 12px !important}
}
@media (max-width:640px){
  .documents-table-wrap{border-radius:18px}
  .documents-table{min-width:100%}
  .documents-table thead{display:none}
  .documents-table tbody,.documents-table tr,.documents-table td{display:block;width:100%}
  .documents-table tbody tr{padding:16px 14px;border-bottom:1px solid var(--line)}
  .documents-table tbody tr:last-child{border-bottom:0}
  .documents-table tbody td{padding:6px 0;border-bottom:0}
  .documents-table tbody td::before{content:attr(data-label);display:block;margin-bottom:4px;font-size:.78rem;font-weight:800;letter-spacing:.02em;color:var(--sttin-primary)}
  body[data-theme="dark"] .documents-table tbody td::before{color:#cfe0ff}
  .documents-table tbody td:first-child{width:auto}
  .document-actions--table{margin-top:4px}
  .document-actions--table .ghost-btn,.document-actions--table .primary-btn{flex:1 1 120px}
  .theme-toggle.tiny{min-width:68px}
}


/* v5 adjustments: remove dark toggle UI and compact document action buttons */
.menu-search-shell{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.document-actions--table{gap:8px;min-width:132px}
.document-actions--table .ghost-btn.small,
.document-actions--table .primary-btn.small{
  min-width:64px;
  min-height:32px;
  padding:7px 12px !important;
  font-size:.8rem;
  line-height:1.1;
  border-radius:999px;
}
@media (max-width:640px){
  .document-actions--table .ghost-btn.small,
  .document-actions--table .primary-btn.small{
    min-width:58px;
    min-height:30px;
    padding:6px 10px !important;
    font-size:.76rem;
  }
}


/* v6 document table refinement */
.documents-section .section-subtitle{max-width:920px}
.documents-table-wrap{border-radius:14px;box-shadow:none}
.documents-table{min-width:720px;border-collapse:collapse}
.documents-table thead th{padding:14px 16px;background:#f7f8fb;font-size:1rem;font-weight:800;border:1px solid var(--line);border-left:0;border-right:0;text-align:center}
.documents-table tbody td{padding:14px 16px;border:1px solid var(--line);border-left:0;border-right:0;vertical-align:middle}
.documents-table tbody td:first-child,
.documents-table tbody td:last-child{text-align:center}
.documents-table tbody td:nth-child(2){font-weight:700}
.documents-table tbody td:nth-child(3){color:var(--sttin-text)}
.document-name-cell{min-width:260px}
.document-title-link{font-weight:800;line-height:1.35}
.document-actions--table{justify-content:center;gap:6px;min-width:118px}
.document-actions--table .ghost-btn.small,
.document-actions--table .primary-btn.small{min-width:58px;min-height:30px;padding:5px 10px !important;font-size:.76rem;font-weight:800}
@media (max-width:640px){
  .documents-table-wrap{border-radius:12px}
  .documents-table tbody tr{padding:14px 12px}
  .document-name-cell{min-width:0}
  .documents-table tbody td:nth-child(2),
  .documents-table tbody td:nth-child(3),
  .documents-table tbody td:last-child{text-align:left}
  .document-actions--table{justify-content:flex-start}
}

/* popup banner */
body.popup-open{overflow:hidden}
.site-popup-banner{position:fixed;inset:0;z-index:9999}
.site-popup-banner[hidden]{display:none !important}
.site-popup-banner__backdrop{position:absolute;inset:0;background:rgba(9,21,45,.62);backdrop-filter:blur(2px)}
.site-popup-banner__dialog{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:100%;padding:20px}
.site-popup-banner__link,
.site-popup-banner__image-shell{position:relative;display:block;width:min(92vw,760px);border-radius:18px;overflow:hidden;box-shadow:0 28px 80px rgba(0,0,0,.28);background:#fff}
.site-popup-banner__link img,
.site-popup-banner__image-shell img{display:block;width:100%;height:auto}
.site-popup-banner__close{position:absolute;top:18px;right:18px;z-index:2;width:40px;height:40px;border:0;border-radius:999px;background:rgba(15,23,42,.82);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.site-popup-banner__close:hover{transform:scale(1.04)}
@media (max-width:640px){
  .site-popup-banner__dialog{padding:14px}
  .site-popup-banner__link,
  .site-popup-banner__image-shell{width:min(94vw,520px);border-radius:14px}
  .site-popup-banner__close{top:10px;right:10px;width:36px;height:36px;font-size:1.35rem}
}