:root{color-scheme:light}.theme-switcher{position:fixed;left:18px;bottom:18px;z-index:10000;font:13px/1.2 Arial,sans-serif}.theme-toggle{width:42px;height:42px;border:1px solid var(--line,#d9ddd4);border-radius:50%;background:var(--white,#fff);color:var(--ink,#151915);box-shadow:0 8px 28px #0002;cursor:pointer;font-size:18px}.theme-toggle:focus-visible,.theme-menu button:focus-visible{outline:3px solid #8ab82f;outline-offset:2px}.theme-menu{position:absolute;left:0;bottom:50px;width:170px;padding:7px;background:var(--white,#fff);color:var(--ink,#151915);border:1px solid var(--line,#d9ddd4);border-radius:12px;box-shadow:0 16px 45px #0003}.theme-menu[hidden]{display:none}.theme-menu button{display:flex;align-items:center;gap:9px;width:100%;padding:10px;border:0;border-radius:8px;background:transparent;color:inherit;text-align:left;cursor:pointer}.theme-menu button:hover,.theme-menu button.active{background:color-mix(in srgb,var(--green,#183e2d) 12%,transparent)}.theme-menu button.active{font-weight:700}.theme-menu button.active:after{content:'✓';margin-left:auto}.theme-menu span{width:18px;text-align:center}
html[data-theme-effective=dark]{color-scheme:dark;--ink:#e7eee9;--paper:#0f1512;--cream:#0f1512;--line:#34423b;--lime:#c7f443;--accent:#c7f443;--green:#b5dc62;--green2:#a8d05b;--muted:#aab5ae;--white:#18211c}
html[data-theme-effective=dark] body{background:var(--paper)!important;color:var(--ink)!important}
html[data-theme-effective=dark] .topbar,html[data-theme-effective=dark] .catalog,html[data-theme-effective=dark] .panel,html[data-theme-effective=dark] .stats article,html[data-theme-effective=dark] .card,html[data-theme-effective=dark] .item,html[data-theme-effective=dark] .filters,html[data-theme-effective=dark] .institutional-sections section,html[data-theme-effective=dark] .contact-card,html[data-theme-effective=dark] .login-card,html[data-theme-effective=dark] .ed-overview,html[data-theme-effective=dark] .ed-section,html[data-theme-effective=dark] .ed-meta,html[data-theme-effective=dark] .ed-related a,html[data-theme-effective=dark] .schedule section,html[data-theme-effective=dark] .savebar{background:var(--white)!important;color:var(--ink)!important;border-color:var(--line)!important}
html[data-theme-effective=dark] input,html[data-theme-effective=dark] textarea,html[data-theme-effective=dark] select,html[data-theme-effective=dark] .search{background:#111915!important;color:var(--ink)!important;border-color:var(--line)!important}
html[data-theme-effective=dark] .hero,html[data-theme-effective=dark] .login-body{background:radial-gradient(circle at 82% 18%,#33451d,transparent 30%),var(--paper)!important}
html[data-theme-effective=dark] .signature,html[data-theme-effective=dark] .ed-signature,html[data-theme-effective=dark] code:not(pre code){background:#253229!important;color:#d5f18d!important}
html[data-theme-effective=dark] .card:hover,html[data-theme-effective=dark] .primary,html[data-theme-effective=dark] .auth-btn:hover{background:#294a37!important;color:#fff!important}
html[data-theme-effective=dark] .admin-side{background:#0b2118!important}html[data-theme-effective=dark] .admin-main{background:var(--paper)!important}
html[data-theme-effective=dark] table,html[data-theme-effective=dark] th,html[data-theme-effective=dark] td{border-color:var(--line)!important}html[data-theme-effective=dark] .lang,html[data-theme-effective=dark] .state,html[data-theme-effective=dark] .translation{background:#26312b;color:#cbd6cf}
html[data-theme-effective=dark] .legal-notice{background:#091b13!important}html[data-theme-effective=dark] .public-links{background:#0d1712!important;color:#dbe5df!important;border-color:var(--line)!important}
html[data-theme-effective=dark] img{filter:none}html[data-theme-effective=dark] pre,html[data-theme-effective=light] pre{color-scheme:dark}
@media(max-width:600px){.theme-switcher{left:12px;bottom:12px}.theme-toggle{width:40px;height:40px}}