.vl-shell{--vl-ink:#17352f;--vl-teal:#087b68;--vl-border:#dce9e3;max-width:1180px;margin:0 auto;padding:24px 18px 60px;color:var(--vl-ink)}
.vl-shell *{box-sizing:border-box}.vl-shell button,.vl-shell select,.vl-shell input{font:inherit}.vl-shell button{cursor:pointer;min-height:44px}.vl-shell button:disabled{cursor:default;opacity:.55}.vl-shell button:focus-visible,.vl-shell a:focus-visible,.vl-shell select:focus-visible,.vl-shell input:focus-visible{outline:3px solid #34b99c;outline-offset:3px}
.vl-hero{background:linear-gradient(125deg,#e5f5ed,#f0f8f5 65%,#e7f1ff);border:1px solid var(--vl-border);border-radius:24px;padding:24px;margin-bottom:22px}.vl-hero>a{display:inline-block;font-size:14px;color:var(--vl-teal);text-decoration:none;margin-bottom:22px}.vl-eyebrow{font-size:11px;letter-spacing:.15em;font-weight:750;color:var(--vl-teal)}.vl-hero h1{font-size:clamp(27px,4vw,43px);line-height:1.2;margin:12px 0}.vl-hero p{font-size:17px;margin:0}.vl-hero i{font-style:normal;padding:0 7px;color:#85a79a}.vl-hero-note{margin-top:20px;color:#587168;font-size:14px}
.vl-filters{background:#fff;border:1px solid var(--vl-border);padding:22px;border-radius:20px}.vl-filters h2{font-size:16px;margin:0 0 14px;display:flex;align-items:center;gap:10px}.vl-filters h2 span{font-size:11px;color:var(--vl-teal);background:#eaf5ef;padding:6px;border-radius:8px}.vl-grades{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px}.vl-grades button{background:#fff;border:1px solid var(--vl-border);border-radius:24px;padding:8px 17px;font-weight:650;color:var(--vl-ink)}.vl-grades button[aria-pressed=true]{background:var(--vl-teal);border-color:var(--vl-teal);color:#fff}
.vl-subjects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.vl-subjects button{border:1px solid var(--vl-border);border-radius:13px;padding:15px 8px;background:#fcfefd;color:var(--vl-ink);display:flex;flex-direction:column;align-items:center;gap:8px}.vl-subjects button>span{font-size:27px}.vl-subjects button b{font-size:14px}.vl-subjects button[aria-pressed=true]{background:#e9f5ee;border-color:#48a18a;box-shadow:inset 0 0 0 1px #48a18a}.vl-selects{display:grid;gap:14px;margin-top:22px}.vl-selects label{display:grid;gap:7px;font-size:13px;font-weight:650}.vl-selects select{width:100%;min-height:46px;border:1px solid var(--vl-border);border-radius:10px;background:#fff;padding:8px 12px;color:var(--vl-ink)}
.vl-results>header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:30px 0 18px}.vl-results>header small{letter-spacing:.1em;font-size:10px;color:#658678}.vl-results h2{font-size:23px;margin:5px 0}.vl-results>header>span{font-size:13px;color:#678078}.vl-empty{border:1px dashed #c9dfd2;background:#f8fcf9;border-radius:20px;text-align:center;padding:45px 20px}.vl-empty-icon{display:grid;place-items:center;width:72px;height:58px;border-radius:16px;background:#e4f1e9;color:#429376;font-size:38px;margin:0 auto 18px}.vl-empty h3{font-size:23px;margin:0 0 10px}.vl-empty p{color:#5f796c;max-width:440px;margin:0 auto 12px;line-height:1.65}.vl-empty small{color:#6c8378;font-size:12px}.vl-next-actions{display:flex;gap:6px;justify-content:center;margin:18px 0 10px;flex-wrap:wrap}.vl-next-actions button{font-size:12px;border:1px solid #d6e3dd;background:#fff;color:#597265;border-radius:9px;padding:5px 10px;min-height:38px}.vl-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}.vl-card{border:1px solid var(--vl-border);border-radius:16px;overflow:hidden;background:#fff}.vl-cover{position:relative;aspect-ratio:16/9;background:#edf5ef;display:grid;place-items:center}.vl-cover img{width:100%;height:100%;object-fit:cover}.vl-cover>span{font-size:42px}.vl-cover>b{position:absolute;bottom:10px;right:10px;padding:4px 6px;background:#17352fde;color:#fff;font-size:12px;border-radius:5px}.vl-card-body{padding:17px}.vl-card-body>small{font-size:12px;color:#698376}.vl-card h3{font-size:17px;line-height:1.45;margin:8px 0 18px}.vl-card-body>button{width:100%;border:0;background:var(--vl-teal);color:#fff;border-radius:10px;padding:10px;font-weight:650}.vl-card .vl-next-actions{margin-top:12px;justify-content:flex-start}
.vl-player-panel{scroll-margin-top:90px}.vl-player{margin-top:24px;border:1px solid var(--vl-border);border-radius:16px;overflow:hidden;background:#fff;padding:15px}.vl-player>header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.vl-player h2{font-size:18px;margin:0}.vl-player>header button{background:#eef5f1;border:0;border-radius:8px;padding:8px 12px;white-space:nowrap;font-size:12px}.vl-player video,.vl-player iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;background:#0d1c18;border:0}.vl-player p{color:#617e6f;font-size:12px}.vl-pagination{display:flex;gap:15px;align-items:center;justify-content:center;margin-top:25px}.vl-pagination button,.vl-error button{background:#fff;border:1px solid var(--vl-border);border-radius:9px;padding:8px 13px}.vl-pagination span{font-size:13px}.vl-error{background:#fff3ec;border:1px solid #e9c9b1;border-radius:12px;padding:18px;margin:14px 0}.vl-loading{text-align:center;padding:60px 15px;border-radius:16px;background:#f6faf7;color:#628371;min-height:260px}.vl-footer{font-size:13px;text-align:center;margin-top:28px;color:#7d9488}
.vl-admin-form{border:1px solid var(--vl-border);border-radius:15px;padding:20px;margin:20px 0;background:#fff}.vl-admin-form h2{font-size:19px;margin:0 0 15px}.vl-admin-form label{display:grid;gap:5px;font-size:13px;margin:12px 0}.vl-admin-form input,.vl-admin-form select{width:100%;min-height:45px;border:1px solid var(--vl-border);border-radius:8px;padding:8px 11px}.vl-admin-form label.vl-checkbox{display:flex;align-items:center;gap:8px}.vl-checkbox input{width:20px;min-height:20px}.vl-admin-form button{border:0;border-radius:9px;background:var(--vl-teal);color:#fff;padding:10px 18px}.vl-admin-list{display:grid;gap:12px}.vl-admin-list article{border:1px solid var(--vl-border);border-radius:12px;padding:15px}.vl-admin-list button{margin:10px 8px 0 0;border:1px solid var(--vl-border);background:#fff;border-radius:8px;padding:6px 12px}.vl-admin-note{font-size:13px;color:#607c6c;line-height:1.7}
@media(min-width:640px){.vl-selects{grid-template-columns:repeat(2,minmax(0,1fr))}.vl-subjects{grid-template-columns:repeat(4,minmax(0,1fr))}.vl-hero{padding:32px}.vl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:900px){.vl-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.vl-filters{padding:28px}}
@media(min-width:1160px){.vl-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.vl-shell *{scroll-behavior:auto}}

/* Video cards stay metadata-only; portrait uploads remain fully visible. */
.vl-player video{aspect-ratio:auto;max-height:78vh;object-fit:contain;min-height:200px}.vl-card h3{overflow-wrap:anywhere}
@media(min-width:640px){.vl-subjects{grid-template-columns:repeat(3,minmax(0,1fr))}}