:root{--ink:#17343e;--muted:#61777f;--green:#087f75;--line:#dce6e8}*{box-sizing:border-box}body{background:#f3f7f8;color:var(--ink);font-family:Tahoma,Arial,sans-serif;font-size:15px;line-height:1.65}a{color:var(--green)}h1{font-size:28px;margin:6px 0 24px;font-weight:700}h2{font-size:21px;font-weight:700}h3{font-size:18px;font-weight:700}button,input,select{min-height:44px}button:focus-visible,a:focus-visible{outline:3px solid #e8ad4b;outline-offset:3px}.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}aside{background:#15323d;color:#c0d8df;padding:30px 22px;display:flex;flex-direction:column}.brand{font-size:23px;color:white;font-weight:bold;text-decoration:none;white-space:nowrap}.brand:hover{color:white;text-decoration:none}.brand span{display:inline-grid;place-items:center;background:#69d7bf;color:#17343e;border-radius:9px;width:34px;height:34px}.side-caption{font-size:12px;color:#9bb8c0;margin:10px 0 30px}nav{display:grid;gap:8px}nav a{padding:11px 13px;border-radius:8px;color:#c5dbe0;text-decoration:none}nav a:hover,nav a.selected{background:#2a4e59;color:white;text-decoration:none}.side-foot{margin-top:auto;padding-top:40px;color:#94b5bd;font-size:13px}header{background:white;border-bottom:1px solid var(--line);padding:17px 30px;display:flex;justify-content:space-between;align-items:center;gap:16px}.header-actions{display:flex;align-items:center;gap:18px;font-size:13px}.header-actions form{margin:0}.content{padding:34px;max-width:1450px;margin:auto}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:bold}.panel,.course-card,.metric{background:white;border:1px solid var(--line);border-radius:13px;padding:24px;margin-bottom:22px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric strong{display:block;font-size:32px}.metric small,.muted{color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.course-card{display:flex;flex-direction:column;margin:0}.course-card h2{font-size:20px;margin:16px 0 10px}.course-card .btn{margin-top:auto}.course-art{border-radius:10px;background:linear-gradient(125deg,#e0f4ed,#e9f1f6);color:#148575;padding:20px;font-size:13px;letter-spacing:1px}.status{display:inline-block;border-radius:20px;padding:4px 11px;font-size:12px;background:#edf2f5;color:#516c79}.s-passed{background:#dff5ec;color:#08745c}.s-failed,.s-expired{background:#fce8e5;color:#a64032}.s-renewal_due{background:#fff2d7;color:#8f6411}.s-in_progress,.s-ready_for_exam{background:#e6edff;color:#4969a4}.btn{border-radius:8px;padding:10px 16px}.btn-primary{background:#087f75;border-color:#087f75}.btn-primary:hover{background:#076b63;border-color:#076b63}.btn-outline-primary{color:#087f75;border-color:#087f75}.field{display:block;font-size:14px;margin-bottom:17px}.field>span{display:block;margin-bottom:7px}.form-control{border-color:#d4e0e4;border-radius:8px;font-size:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:20px 0}.toolbar form,.filter{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.filter .field{margin:0}.table-wrap{overflow-x:auto}table{width:100%;font-size:14px}th,td{border-bottom:1px solid #e5edef;padding:13px;text-align:left;vertical-align:middle}th{font-size:12px;color:#647b85;white-space:nowrap}td form{display:inline}td .btn{padding:7px 10px;font-size:12px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:25px;background:radial-gradient(ellipse at top left,#cce8e1,transparent 65%),#eff5f7}.login-card{background:white;max-width:470px;width:100%;padding:40px;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 70px #183e4710}.login-card h1{font-size:26px;margin-top:24px}.login-card .brand{color:var(--ink)}.login-card .btn{width:100%;margin-top:8px}.hint{font-size:13px;color:var(--muted);margin:15px 0}.progress-track{height:7px;background:#e7eef0;border-radius:6px;overflow:hidden;margin:12px 0 20px}.progress-track span{height:100%;background:#15a08d;display:block}.video-grid{display:grid;grid-template-columns:1fr 310px;gap:20px}video{width:100%;max-height:66vh;background:#0c222b;border-radius:12px}.lesson-list a{display:block;padding:12px;border-bottom:1px solid var(--line)}.choice{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:9px;margin-bottom:10px;align-items:center}.choice input{min-height:20px;width:19px;height:19px}.timer{font-size:20px;font-weight:bold;color:#a26513}.actions{display:flex;gap:10px;flex-wrap:wrap}.result-score{font-size:70px;font-weight:bold;color:var(--green)}dialog{border:1px solid var(--line);border-radius:14px;padding:26px;width:calc(100% - 32px);max-width:570px}dialog::backdrop{background:#163540b0}.page-text{white-space:pre-wrap}.pagination-links{display:flex;gap:12px;padding:16px}.empty{text-align:center;padding:35px;color:var(--muted)}@media(max-width:1150px){.course-grid{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:1fr 1fr}.video-grid{grid-template-columns:1fr}}@media(max-width:750px){.app-shell{display:block}aside{padding:18px}.side-caption,.side-foot{display:none}nav{display:flex;overflow-x:auto;margin-top:15px}nav a{white-space:nowrap;font-size:13px}header{padding:12px 18px;flex-wrap:wrap}.header-actions{gap:12px;flex-wrap:wrap}.content{padding:23px 17px}.course-grid,.form-grid{grid-template-columns:1fr}.metric,.panel{padding:18px}.metrics{gap:10px}.metric strong{font-size:27px}.toolbar{flex-wrap:wrap}h1{font-size:24px}.login-card{padding:28px}.filter{display:grid;width:100%}.filter>*{width:100%}}

/* UX fixes 2026-10-21 */
.timer{position:fixed;right:16px;bottom:16px;z-index:50;background:#fff;border:2px solid #a26513;border-radius:12px;padding:8px 14px;box-shadow:0 4px 14px rgba(0,0,0,.15);font-size:18px}
.timer.low{color:#b42318;border-color:#b42318}
.panel.unanswered{outline:3px solid #d92d20;outline-offset:2px}
#exam-form{padding-bottom:72px}
.eyebrow,.course-art{letter-spacing:0}

/* Video library 2026-10-21 */
.section-title{font-size:21px;margin:32px 0 14px;display:flex;align-items:baseline;gap:8px}
.section-title small{font-size:14px;font-weight:normal}
.course-cover{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:linear-gradient(125deg,#0b4f8a,#148575);display:flex;align-items:center;justify-content:center}
.course-cover img{width:100%;height:100%;object-fit:cover;display:block}
.course-cover span{color:#fff;font-weight:700;padding:16px;text-align:center;font-size:17px}
.course-cover em{position:absolute;left:10px;top:10px;font-style:normal;font-size:12px;background:rgba(255,255,255,.93);color:#0b4f8a;padding:3px 10px;border-radius:999px}
.course-meta{font-size:14px;color:#5b6b75;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.tag-required{display:inline-block;font-size:12px;background:#fdecea;color:#b42318;border-radius:999px;padding:2px 9px}
.library-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:16px}
.library-tools input{max-width:320px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid #c9d6e0;background:#fff;border-radius:999px;padding:6px 14px;font-size:14px;cursor:pointer}
.chip.active{background:#0b4f8a;color:#fff;border-color:#0b4f8a}
.library-admin{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:28px}
.cover-preview{aspect-ratio:16/9;border-radius:10px;background:#eef3f7;display:flex;align-items:center;justify-content:center;overflow:hidden}
.cover-preview img{width:100%;height:100%;object-fit:cover}
#frame-video{width:100%;max-width:480px;border-radius:8px;background:#000;display:block;margin-bottom:8px}
#frame-pos{max-width:480px;display:block;margin-bottom:8px}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-form .form-control{width:auto;flex:1 1 220px}
.inline-form .sort-input{flex:0 0 90px}
@media(max-width:750px){.library-admin{grid-template-columns:1fr}.library-tools input{max-width:none}}
/* YouTube-style video grid 2026-10-21 */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px 18px}
.vcard{display:block;color:inherit;text-decoration:none}
a.vcard:hover{color:inherit}
.vthumb{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:linear-gradient(125deg,#0b4f8a,#148575);display:flex;align-items:center;justify-content:center}
.vthumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.vthumb-text{color:#fff;font-weight:700;padding:16px;text-align:center}
.vdur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.8);color:#fff;font-size:12px;font-weight:600;padding:2px 6px;border-radius:4px}
.vplay{position:absolute;width:56px;height:56px;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;padding-left:4px;opacity:0;transition:opacity .2s}
a.vcard:hover .vplay,a.vcard:focus-visible .vplay{opacity:1}
a.vcard:hover .vthumb img{transform:scale(1.04)}
a.vcard:focus-visible{outline:3px solid #0b4f8a;outline-offset:4px;border-radius:12px}
.vbar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.45)}
.vbar i{display:block;height:100%;background:#e00}
.vinfo{padding:10px 2px 0}
.vinfo h3{font-size:16px;font-weight:700;line-height:1.4;margin:0 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vmeta{font-size:13px;color:#5b6b75;margin:0 0 3px}
.library-tools input{max-width:300px}
@media(max-width:540px){.vgrid{grid-template-columns:1fr}}
.chip-todo{border-color:#f3b8b2;color:#b42318}.chip-todo.active{background:#b42318;border-color:#b42318;color:#fff}
/* Bigger video cards (user request 2026-10-21) */
.vgrid{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:36px 24px}
.vthumb{border-radius:14px}
.vinfo{padding-top:12px}
.vinfo h3{font-size:19px}
.vmeta{font-size:15px}
.vdur{font-size:14px;padding:3px 8px}
.vplay{width:72px;height:72px;font-size:28px}
.vbar{height:5px}
.chip{font-size:15px;padding:8px 18px}
@media(max-width:540px){.vgrid{grid-template-columns:1fr}}
.choice-list{margin:0;padding-left:20px}.choice-list li{margin:2px 0}.choice-list li.correct{color:#0a7a3e;font-weight:700}

/* Learner picker 2026-10-21 */
.learner-filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.learner-table{max-height:60vh;overflow:auto}
.learner-table thead th{position:sticky;top:0;background:#fff;z-index:1}
.learner-table tbody tr:has(.pick:checked){background:#eef5fc}
.lst,.ltr{display:inline-block;font-size:13px;border-radius:999px;padding:2px 10px;background:#eef1f4;color:#4a5a66;white-space:nowrap}
.lst-req{background:#fdecea;color:#b42318}.lst-self{background:#e7f5ee;color:#0a7a3e}.lst-paused{background:#fff4e0;color:#8a5a00}
.ltr-passed{background:#e7f5ee;color:#0a7a3e}.ltr-learning{background:#e8f0fb;color:#0b4f8a}.ltr-failed,.ltr-expired{background:#fdecea;color:#b42318}
.train-progress{height:10px;border-radius:999px;background:#eef1f4;overflow:hidden;margin:6px 0 12px}
.train-progress i{display:block;height:100%;background:#0a7a3e}
.learner-bar{position:sticky;bottom:0;z-index:20;display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:#fff;border:1px solid #d7e0e7;border-radius:12px;padding:12px 16px;box-shadow:0 -4px 16px rgba(0,0,0,.08);margin-top:12px}
.learner-bar .due{display:flex;align-items:center;gap:6px;font-size:14px;margin-left:auto}
.learner-bar .due input{width:auto}
.lst-new{background:#fff4e0;color:#8a5a00;font-size:11px;padding:1px 8px}

/* Profile + contact 2026-10-21 */
.account-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;align-items:start}
.account-grid .panel{margin:0}
.info-list{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0 0 12px}
.info-list dt{color:#5b6b75;font-weight:normal}
.info-list dd{margin:0;font-weight:600}
.learner-table td.contact{font-size:13px;white-space:nowrap}