:root{color-scheme:dark;--bg:#080b10;--panel:#111722;--panel2:#171f2d;--line:#293448;--text:#e9eff8;--muted:#8d9ab0;--cyan:#39d5ff;--lime:#b7f34a;--red:#ff526b;--amber:#ffbd3f}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 60% 0,#13243a 0,#080b10 36%);color:var(--text);font:14px Inter,ui-sans-serif,system-ui}button,input,select{font:inherit}button{border:1px solid var(--line);background:#1a2433;color:var(--text);border-radius:6px;padding:8px 12px;cursor:pointer}button:hover{border-color:var(--cyan)}button.primary{background:var(--lime);border-color:var(--lime);color:#071007;font-weight:800}button.danger{color:#ff9bab}button:disabled{opacity:.45;cursor:not-allowed}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.side{background:#090d14;border-right:1px solid var(--line);padding:20px 14px;position:sticky;top:0;height:100vh}.brand{font-weight:900;letter-spacing:.08em;font-size:17px}.brand span{color:var(--lime)}.tag{font-size:10px;color:var(--muted);letter-spacing:.16em;margin:4px 0 24px}.nav button{display:block;width:100%;text-align:left;border:0;background:transparent;color:var(--muted);margin:2px 0;padding:10px}.nav button.active,.nav button:hover{color:#fff;background:#151e2b}.main{padding:22px;min-width:0}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.top h1{font-size:22px;margin:0}.badge{padding:5px 9px;border:1px solid var(--line);border-radius:99px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.card,.panel{background:linear-gradient(145deg,#121925,#0e141e);border:1px solid var(--line);border-radius:10px}.card{padding:16px}.card b{display:block;font-size:26px}.card small{color:var(--muted)}.demo{font-size:9px;color:var(--amber);text-transform:uppercase}.panel{padding:14px;margin-top:14px}.panel h2,.panel h3{margin:0 0 12px}.muted{color:var(--muted)}.reviewGrid{display:grid;grid-template-columns:minmax(420px,1.6fr) minmax(250px,.65fr) 270px;gap:12px}.viewer{background:#030507;position:relative;aspect-ratio:16/9;display:grid;place-items:center;overflow:hidden}.viewer video{width:100%;height:100%;object-fit:contain}.cropbox{position:absolute;border:2px solid var(--lime);height:100%;aspect-ratio:9/16;left:50%;top:0;transform:translateX(-50%);box-shadow:0 0 0 999px #0008;cursor:grab}.cropbox:after{content:'9:16 VIRTUAL CAMERA';position:absolute;top:6px;left:6px;background:#071008cc;color:var(--lime);padding:3px;font-size:9px}.vertical{aspect-ratio:9/16;max-height:55vh;margin:auto;background:#030507;overflow:hidden;position:relative}.vertical video{height:100%;width:100%;object-fit:cover}.controls{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;align-items:center}.controls input[type=number]{width:75px}.tool label{display:block;color:var(--muted);font-size:11px;margin:10px 0 4px}.tool select,.tool input[type=range]{width:100%}.tog{display:flex;align-items:center;gap:7px;margin:7px 0}.timeline{height:104px;background:#080c12;border:1px solid var(--line);position:relative;overflow:hidden;cursor:pointer}.segment{position:absolute;top:28px;height:32px;background:#35465e;border:1px solid #526782}.segment.removed{background:#571f2b;border-color:var(--red);opacity:.7}.focus{position:absolute;top:64px;height:25px;background:#193d48;border-top:3px solid var(--cyan);font-size:10px;padding:4px;overflow:hidden}.playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--lime);z-index:4}.ticks{color:var(--muted);font-size:10px}.status.ok{color:var(--lime)}.status.bad{color:var(--red)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:9px;border-bottom:1px solid var(--line)}#toasts{position:fixed;right:18px;bottom:18px;z-index:10}.toast{background:#172233;border:1px solid var(--cyan);padding:12px;margin-top:8px;border-radius:7px;animation:fade 4s forwards}@keyframes fade{80%{opacity:1}100%{opacity:0}}dialog{background:#101722;color:white;border:1px solid var(--line);border-radius:10px;width:min(620px,90vw)}@media(max-width:1100px){.reviewGrid{grid-template-columns:1fr 330px}.tool{grid-column:1/-1}.cards{grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){.app{grid-template-columns:1fr}.side{display:none}.reviewGrid{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}}
.learning-status-ribbon{width:100%;display:flex;align-items:center;gap:11px;text-align:left;margin:0 0 14px;padding:10px 14px;border-color:#2f705d;background:linear-gradient(90deg,#102920,#121b29);position:sticky;top:0;z-index:8;box-shadow:0 5px 16px #05080db8}.learning-status-ribbon i{width:10px;height:10px;border-radius:50%;background:#42dfae;box-shadow:0 0 0 6px #42dfae20;flex:none}.learning-status-ribbon span{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.learning-status-ribbon b{color:#dffff4}.learning-status-ribbon small{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.learning-status-ribbon strong{color:var(--lime);font-size:12px;white-space:nowrap}.learning-status-ribbon progress{display:block;width:100%;height:7px;margin:1px 0 0;accent-color:var(--lime)}.learning-now>progress{display:block;width:100%;height:18px;margin:12px 0}.monitoring-progress,.learning-status-ribbon.monitoring progress{accent-color:#42dfae}
.question-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,390px),1fr));gap:14px;align-items:start}.questioncard{margin:0;padding:12px;min-width:0;overflow:hidden}.question-card-layout{display:flex;flex-direction:column;gap:9px}.question-card-layout>video,.questionvideo{width:100%;aspect-ratio:16/9;background:#000;border-radius:7px;overflow:hidden}.questionvideo{position:relative}.questionvideo video{display:block;width:100%;height:100%;object-fit:cover}.question-copy h3{font-size:15px;margin:2px 0 7px}.question-copy p{margin:0}.question-copy small{color:var(--muted)}.questioncontrols{min-width:0}.questioncontrols>div:first-child{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.questioncontrols button{padding:6px 7px;min-width:0}.questioncontrols .qtime{margin:6px 0 2px;font-size:12px}.qrail{position:relative}.qrail input{width:100%;margin:0}.question-answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.question-answers button{padding:7px 6px;white-space:normal}.question-settings{margin-bottom:10px}@media(max-width:920px){.question-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.question-grid{grid-template-columns:1fr}.questioncontrols>div:first-child{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card-number{display:block;background:transparent;border:0;padding:0;color:inherit;font:inherit;font-size:26px;font-weight:800;text-align:left;cursor:pointer;text-decoration:underline;text-decoration-color:var(--accent,#8fbd45)}
.mastery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.validation-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:14px;margin-top:14px}.validation-card{display:grid;grid-template-columns:minmax(190px,.9fr) minmax(210px,1fr);gap:14px;background:linear-gradient(145deg,#121925,#0e141e);border:1px solid var(--line);border-radius:10px;padding:12px;align-items:start}.validation-card video{width:100%;aspect-ratio:16/9;background:#000;border-radius:7px}.validation-card h3{margin:5px 0}.validation-card p{margin:7px 0}.validation-card pre{white-space:pre-wrap;font-size:11px;color:var(--muted)}@media(max-width:650px){.validation-card{grid-template-columns:1fr}}
.evidence-review{display:grid;grid-template-columns:minmax(320px,1.15fr) minmax(300px,1fr);gap:20px;align-items:start}.evidence-review video{width:100%;max-height:430px;background:#000;border-radius:12px}.evidence-options{display:grid;grid-template-columns:repeat(2,minmax(140px,1fr));gap:10px;margin:14px 0}.evidence-options button{min-height:52px;font-weight:700}@media(max-width:850px){.evidence-review{grid-template-columns:1fr}.evidence-options{grid-template-columns:1fr}}