:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#303d30;background:#f5f6f1;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{border:0;cursor:pointer;background:transparent;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8fac6c;outline-offset:3px}button:disabled{opacity:.45;cursor:not-allowed}[hidden]{display:none!important}main{max-width:1020px;margin:auto;padding:25px 32px 20px}.app-header{display:flex;justify-content:space-between;align-items:center;margin:0 2px 22px}.brand{text-decoration:none;color:#314330;font-size:18px;font-weight:750;letter-spacing:.5px}.brand span{font-size:12px;color:#99a18f;font-weight:400;margin-left:10px;letter-spacing:0}.app-header button{font-size:12px;color:#768568;padding:8px 10px}.review-card{background:white;border:1px solid #e0e5d9;border-radius:17px;overflow:hidden}.video-heading{height:66px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;gap:12px;color:#7b886d;font-size:12px}.video-heading strong{display:flex;align-items:center;font-size:15px;font-weight:550}.video-heading i{width:8px;height:8px;border-radius:50%;background:#b7d995;margin-right:12px}.video-heading>span{font-size:11px;color:#9ca48e;white-space:nowrap}.stage{position:relative;aspect-ratio:960/544;background:#19251d;overflow:hidden}.stage video{display:block;object-fit:contain;width:100%;height:100%}.stage svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.frame-badge{position:absolute;top:16px;left:17px;color:#deedce;background:#273b2de8;padding:9px 12px;border-radius:6px;font-size:12px;letter-spacing:.5px}.return-key{position:absolute;bottom:15px;right:17px;background:#eef5dfe8;padding:8px 12px;border-radius:5px;font-size:11px;color:#334f27}.transport{height:66px;display:flex;align-items:center;gap:19px;padding:0 25px}.play{width:38px;height:38px;border-radius:50%;background:#253d2d;color:#edf5dd;font-size:13px}.transport>button:not(.play){font-size:20px;color:#718164;padding:4px}.transport #time{font-size:13px;font-family:ui-monospace,SFMono-Regular,monospace;color:#7b856e}.spacer{flex:1}.transport select{border:0;border-radius:5px;padding:6px;background:#f4f6ee;color:#738466;font-size:12px}.timeline{padding:8px 28px 18px;position:relative}.timeline #markers{position:absolute;top:0;left:28px;right:28px;height:10px;pointer-events:none}.marker{position:absolute;background:#a3ba87;width:7px;height:7px;border-radius:50%;padding:0;pointer-events:auto;transform:translateX(-50%)}.marker.active{box-shadow:0 0 0 3px #e5edda;background:#6f8f52}.timeline input{display:block;width:100%;height:3px;margin:3px 0 0;accent-color:#718b57;cursor:pointer}.timeline-labels{display:flex;justify-content:space-between;color:#a4ad98;font-family:ui-monospace,monospace;font-size:10px;margin-top:13px}.layers{border-top:1px solid #edf0e8;display:flex;align-items:center;gap:7px;padding:17px 23px 8px;flex-wrap:wrap}.layers button{background:#f3f5ed;color:#8d997e;padding:9px 12px;border-radius:6px;font-size:11px;border:1px solid transparent}.layers button[aria-pressed=true]{background:#e9f0dd;color:#456033;border-color:#bacda2}.layers button:last-child{margin-left:auto;background:transparent;color:#87927b}.layer-hint{margin:0;padding:3px 26px 16px;min-height:35px;color:#9da58f;font-size:10px;line-height:1.7}.guidance{padding:24px 5px 12px}.findings{display:flex;gap:9px;margin-bottom:25px;flex-wrap:wrap}.finding{border:1px solid #dde4d4;padding:8px 12px;border-radius:20px;font-size:11px;color:#8a977b}.finding[aria-pressed=true]{background:#e5edd8;border-color:#b9ca9e;color:#4e683d}.finding time{font-family:ui-monospace,monospace;font-size:10px;margin-right:6px;color:#8c9c7a}.advice-heading{display:flex;align-items:center;gap:11px}.number{font-family:ui-monospace,monospace;color:#91a279;font-size:13px}h1{font-size:19px;font-weight:600;margin:0;line-height:1.5;letter-spacing:-.4px}.advice-heading button{margin-left:auto;white-space:nowrap;font-size:11px;color:#7f8f6d}.observation{font-size:13px;line-height:1.9;color:#849077;margin:13px 0}.suggestion{display:flex;align-items:flex-start;gap:13px;background:#eaf0e1;border-radius:9px;padding:16px 19px}.suggestion>span{font-size:11px;color:#698153;background:#dce8ca;padding:4px 7px;white-space:nowrap;border-radius:4px}.suggestion p{font-size:13px;line-height:1.9;margin:0;color:#536946}.limitation{font-size:10px;line-height:1.8;color:#a2a991;margin:12px 3px}.empty{padding:25px;font-size:13px;line-height:1.9;color:#7d8b6d}.empty button{display:block;margin-top:15px;color:#466135}footer{border-top:1px solid #e6eadf;margin-top:17px;padding:17px 3px 0;font-size:10px;color:#a9b19d;display:flex;justify-content:space-between}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#2d4433;color:#edf4e3;padding:12px 20px;border-radius:7px;opacity:0;pointer-events:none;font-size:12px;transition:opacity .2s;max-width:90%;z-index:5}#toast.visible{opacity:1}#video-error{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:20px;color:white;background:#27392d}.stage:fullscreen #overlay,.stage:fullscreen .frame-badge,.stage:fullscreen .return-key{display:none}
@media(max-width:650px){main{padding:18px 12px}.app-header{margin-bottom:15px}.brand{font-size:15px}.brand span{font-size:10px;margin-left:4px}.app-header button{font-size:10px;padding:6px}.review-card{border-radius:12px}.video-heading{height:56px;padding:0 15px;gap:7px}.video-heading strong{font-size:12px}.video-heading>span{font-size:8px}.video-heading i{margin-right:7px;width:6px;height:6px}.frame-badge{top:10px;left:11px;font-size:9px;padding:6px 8px}.transport{padding:0 15px;height:57px;gap:11px}.play{width:31px;height:31px}.transport #time{font-size:10px}.transport>button:not(.play){font-size:16px}.transport select{font-size:10px;padding:4px}.timeline{padding-left:18px;padding-right:18px}.timeline #markers{left:18px;right:18px}.layers{padding:13px 12px 6px;gap:5px}.layers button{font-size:10px;padding:7px 8px}.layer-hint{padding:3px 15px 12px;font-size:9px}.guidance{padding:19px 3px 7px}.findings{gap:6px;margin-bottom:20px}.finding{font-size:10px;padding:7px 9px}.finding time{font-size:9px}h1{font-size:16px}.advice-heading{gap:7px;flex-wrap:wrap}.advice-heading button{font-size:10px}.observation,.suggestion p{font-size:12px}.suggestion{padding:13px;gap:10px}}
/* Touch layouts keep controls readable; fine frame navigation gets its own row. */
@media(max-width:650px){
 main{padding:12px max(10px,env(safe-area-inset-right)) 20px max(10px,env(safe-area-inset-left))}
 .app-header button{min-height:44px;font-size:12px}.video-heading{height:auto;min-height:62px;align-items:flex-start;justify-content:center;flex-direction:column;padding:10px 14px;gap:4px}.video-heading>span{font-size:10px;margin-left:13px}
 .transport{display:grid;grid-template-columns:44px minmax(74px,1fr) 52px 44px 44px;gap:2px;padding:8px 10px;height:auto}
 .transport .spacer{display:none}.transport button,.transport select{min-height:44px;min-width:44px}.transport .play{width:40px;height:40px;min-width:40px;min-height:40px;justify-self:center}.transport #time{font-size:10px;white-space:nowrap}.transport #speed{grid-area:1/3;font-size:12px}.transport #mute{grid-area:1/4}.transport #fullscreen{grid-area:1/5}
 #prev-frame{grid-area:2/1/3/3;justify-self:start}#next-frame{grid-area:2/3/3/6;justify-self:end}#prev-frame:after{content:' 上一帧';font-size:11px}#next-frame:after{content:' 下一帧';font-size:11px}
 .timeline{padding-top:0;padding-bottom:12px}.timeline input{height:24px;margin:0}.timeline #markers{top:-1px}.timeline-labels{margin-top:0}.marker{width:20px;height:20px;background:transparent;margin-top:-10px}.marker:after{content:'';position:absolute;inset:7px;background:#8eaa6e;border-radius:50%}.marker.active{background:transparent;box-shadow:none}.marker.active:after{box-shadow:0 0 0 3px #e5edda}
 .layers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:10px;gap:5px}.layers button{min-height:44px;font-size:12px;padding:7px 4px}.layers button:last-child{margin:0}.layer-hint{font-size:11px;color:#718063;min-height:48px}
 .stage .annotation-caption{display:none}.stage svg ellipse,.stage svg line,.stage svg polyline{stroke-width:4px}.frame-badge{font-size:11px;max-width:90%}.return-key{min-height:44px;bottom:6px;right:8px}
 .findings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.finding{min-height:44px;font-size:11px;padding:8px 5px}.finding time{font-size:10px}.advice-heading button{min-height:44px;font-size:12px}.observation,.suggestion p{font-size:14px;line-height:1.8;color:#596c50}.limitation{font-size:11px;color:#7a886b}h1{font-size:17px}.suggestion{gap:8px}.guidance{padding-top:14px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* v0.4: a round theme with contextual video evidence. */
.round-summary{padding:8px 3px 22px}.eyebrow{font-size:11px;letter-spacing:1px;color:#798768}.round-summary h1{font-size:30px;line-height:1.4;margin:12px 0 10px;font-weight:650;letter-spacing:-.8px}.round-summary p{font-size:14px;line-height:1.85;max-width:740px;color:#697b60;margin:0 0 10px}.review-note{font-size:10px;color:#89957e}.topics{display:flex;gap:8px;margin-bottom:15px}.topics button{border:1px solid #dce3d3;border-radius:8px;min-height:46px;flex:1;font-size:13px;background:#f0f3e9}.topics button span{font-family:monospace;margin-right:9px;color:#8da178}.topics button[aria-pressed=true]{background:#2e4836;color:#f4f7e8;border-color:#2e4836}.topics button[aria-pressed=true] span{color:#ccdfa6}.stage-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:92px;height:70px;border-radius:12px;background:#243c2ddd;color:#e3efce;font-size:21px;backdrop-filter:blur(4px)}.stage-play small{display:block;font-size:11px;margin-top:6px}.clip-context{border-top:1px solid #e7ecdf;padding:18px 24px}.clip-bar{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#7b8b69}.clip-bar button{min-height:36px;color:#6d8555;font-size:11px}#watch-question{font-size:14px;line-height:1.75;margin:4px 0 16px;color:#415b39}.beats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.beats button{border-top:2px solid #e2e8da;text-align:left;padding:10px 6px;min-height:48px;font-size:12px}.beats button span{display:block;font-size:10px;font-family:monospace;color:#889879;margin-bottom:5px}.beats button[aria-pressed=true]{border-color:#708e52;background:#f3f6ec;color:#4b6637}.phase-text{font-size:12px;line-height:1.7;color:#748568;margin:11px 0 4px;min-height:40px}.clip-actions{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#788967}.clip-actions button{min-height:40px}.clip-actions label{display:flex;align-items:center;gap:5px;min-height:40px;cursor:pointer}.clip-actions input{accent-color:#617e4b}.outcome{border-radius:8px;background:#edf3e3;padding:15px 17px;margin-top:8px;font-size:13px;line-height:1.8}.outcome p{margin:6px 0}.outcome button{color:#486536;min-height:40px;padding:0}.clips{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}.clips button{text-align:left;border:1px solid #dce4d1;border-radius:9px;padding:14px;min-height:74px}.clips button[aria-pressed=true]{background:#ebf1e0;border-color:#b0c895}.clips span{display:block;font-size:10px;color:#83936f;margin-bottom:8px}.clips strong{font-size:12px;font-weight:500;color:#526743}h2{font-size:22px;line-height:1.5;margin:9px 0 7px;font-weight:600;letter-spacing:-.4px}.takeaway{font-size:14px;color:#667a56;line-height:1.8;margin:5px 0 20px}details{border-top:1px solid #dfe6d6}summary{cursor:pointer;min-height:50px;padding:15px 0;font-size:13px;color:#4a633a}summary span{font-size:10px;color:#91a17f;margin-left:12px}dl{margin:4px 0 10px}dt{font-size:11px;color:#8b9c78;margin-top:16px}dd{margin:7px 0 0;font-size:14px;line-height:1.9;color:#526748}.practice{padding:22px;background:#eaf0e0;border-radius:12px;margin-top:16px}.practice h3{font-size:21px;font-weight:550;margin:10px 0 12px}.practice p{font-size:14px;line-height:1.9;color:#5c704d;margin:0 0 10px}.practice details{border-color:#d7e2c7}.stage:fullscreen .stage-play{display:none}
@media(max-width:650px){.round-summary{padding:4px 3px 18px}.round-summary h1{font-size:24px}.round-summary p{font-size:13px}.topics{gap:5px}.topics button{font-size:11px;line-height:1.5;padding:7px 3px}.topics button span{display:block;margin:0 0 2px}.clip-context{padding:12px}.clip-bar button{min-height:44px}#watch-question{font-size:13px}.phase-text{font-size:12px}.clip-actions button,.clip-actions label{min-height:44px}.clips{gap:7px;margin-bottom:19px}.clips button{padding:12px 9px}.clips strong{font-size:11px;line-height:1.7}.clips span{font-size:10px;line-height:1.6}h2{font-size:19px}.takeaway{font-size:13px}summary span{display:block;margin:7px 0 0}dd{font-size:13px}.practice{padding:17px}.practice h3{font-size:19px}.practice p{font-size:13px}footer{gap:15px;line-height:1.7}.stage-play{width:82px;height:60px;font-size:18px}}
/* Complete coaching sentences need room, especially on phones. */
.round-summary h1{max-width:780px}.beats button{line-height:1.65}.clips strong{line-height:1.7}.practice h3{line-height:1.7}summary span{line-height:1.8}.clip-bar{gap:10px}.clip-bar button{text-align:right}.clip-actions{gap:10px}
@media(max-width:650px){.round-summary h1{font-size:23px}.beats button{font-size:11px;padding:9px 3px}.clip-actions{flex-wrap:wrap}.clip-bar{align-items:flex-start}.clip-bar>span{padding-top:12px}.practice h3{font-size:18px}summary span{font-size:11px}}
.analysis-modes{display:flex;gap:6px;border-bottom:1px solid #dce4d4;margin-bottom:24px;padding-bottom:9px}.analysis-modes button{min-height:44px;padding:8px 19px;font-size:13px;border-radius:7px;color:#7b8970}.analysis-modes button[aria-pressed=true]{background:#2e4836;color:#f0f6e8}.scout-overview{margin-bottom:27px}.report-stats{display:flex;flex-wrap:wrap;gap:13px 25px;background:#eaf0e1;border-radius:10px;padding:18px 20px;font-size:12px;color:#697e57}.report-stats strong{font-size:17px;color:#354e30;margin-right:3px}.scout-overview h2{margin-top:25px;font-size:19px}.section-note{font-size:12px;line-height:1.8;color:#7f8d73}.scout-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.scout-card{display:flex;flex-direction:column;text-align:left;border:1px solid #dce4d4;border-radius:10px;padding:17px;background:white;gap:12px;min-height:187px}.scout-card[aria-pressed=true]{border-color:#94b276;background:#f0f5e8}.scout-card strong{font-size:15px;font-weight:550;line-height:1.75;flex:1}.scout-card>span{font-size:10px;color:#7f8e70}.scout-card .card-status{color:#8a936d}.scout-card em{font-style:normal;font-size:12px;color:#557740}.coverage,.video-library{margin-top:14px}.coverage p,.video-library p{font-size:13px;color:#738668;line-height:1.9}.secondary{border:1px solid #bfd0ad;border-radius:7px;padding:9px 13px;min-height:44px;font-size:12px;background:#f7f9f2;color:#526c40}.video-library ul{padding:0;list-style:none}.video-library li{font-size:12px;padding:11px 0;border-bottom:1px solid #e3e9db;display:flex;gap:12px;justify-content:space-between;align-items:center;overflow-wrap:anywhere}.video-library li button{min-height:44px;flex-shrink:0;color:#567842}.camp-plan{border-top:1px solid #dce4d4;margin-top:25px;padding-top:20px}.plan-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.camp-plan p{font-size:13px;line-height:1.9;color:#78896a}.camp-plan article{padding:16px 18px;background:#edf3e5;border-radius:8px;margin:12px 0}.camp-plan h3{font-size:16px;font-weight:550}.camp-plan article button{min-height:44px;font-size:12px;color:#5d7b46;margin-right:18px}.plan-empty{border:1px dashed #cbd8bd;padding:18px;border-radius:8px}#add-plan{margin:8px 0 16px}
@media(max-width:650px){.analysis-modes{margin-bottom:16px}.report-stats{gap:12px;font-size:11px;padding:14px}.report-stats strong{font-size:15px}.scout-cards{grid-template-columns:1fr}.scout-card{min-height:0;gap:8px;padding:15px}.scout-card strong{font-size:14px}.scout-overview h2{font-size:18px}.plan-heading{align-items:flex-start}.plan-heading h2{font-size:19px}.video-library li{align-items:flex-start}.review-note{line-height:1.8;display:block}}