/* SwingLab — navy + gold scheme. Navy is the primary brand (headers, buttons,
   dark sections); gold is a sparing accent (CTAs, keylines, highlights, labels).
   Data surfaces (video overlay + chart inset) carry the gold/cool data colors. */
:root{
  /* ---- NAVY + GOLD (light, default) ---- */
  --bg:#E9EBEF; --bg-tint1:rgba(22,46,96,.06); --bg-tint2:rgba(234,168,0,.05);
  --surface:#FFFFFF; --surface-2:#F5F6F8; --surface-3:#E4E7ED;
  --chalk:#162E60; --body:#374151; --muted:#6B7280; --dim:#9CA3AF;
  --line:#DCE0E7; --line-2:#C7CEDA; --hair:rgba(22,46,96,.08); --hair-strong:rgba(22,46,96,.15);
  --navy:#162E60; --slate:#455880;
  --accent:#162E60; --accent-2:#1F3D78; --accent-press:#0F2046; --accent-soft:rgba(22,46,96,.08); --on-accent:#FFFFFF;
  --gold:#EAA800; --gold-dk:#B97F00; --gold-soft:rgba(234,168,0,.14); --on-gold:#162E60;
  --tracer:#EAA800;          /* video overlay joints — brand gold */
  --beam:#3D6FD6;            /* selection / reference lines / focus */
  --ok:#1C9C57; --warn:#B97F00; --fault:#D23B30;
  --glass:#FFFFFF; --glass2:#FFFFFF;
  --kin-bg1:#11244C; --kin-bg2:#0B1733; --kin-fg:#EAEDF3;   /* data chart = navy inset */
  --sh-1:0 1px 2px rgba(22,46,96,.07);
  --sh-2:0 6px 20px -8px rgba(22,46,96,.16), 0 2px 6px rgba(22,46,96,.08);
  --sh-3:0 28px 64px -22px rgba(22,46,96,.24), 0 6px 16px rgba(22,46,96,.10);
  --glow-accent:0 0 0 1px rgba(234,168,0,.35), 0 8px 22px -8px rgba(234,168,0,.32);
  --glow-beam:0 0 0 1px rgba(61,111,214,.3), 0 0 16px -4px rgba(61,111,214,.4);
  --font-display:"Montserrat",sans-serif;
  --font-body:"Montserrat",sans-serif;
  --font-mono:"Montserrat",sans-serif;
  --r-s:7px; --r-m:11px; --r-l:16px;
  --ease:cubic-bezier(.22,.61,.36,1); --ease-out:cubic-bezier(.16,1,.3,1);
}
[data-theme="dark"]{
  /* ---- navy canvas (slate breaks up adjacent navy) ---- */
  --bg:#0E1F45; --bg-tint1:rgba(69,88,128,.5); --bg-tint2:rgba(234,168,0,.10);
  --surface:#1A3163; --surface-2:#16294F; --surface-3:#21386B;
  --chalk:#FFFFFF; --body:#D6DCEA; --muted:#AEB8CC; --dim:#7E8AA6;
  --line:#2C467F; --line-2:#3A568F; --hair:rgba(255,255,255,.09); --hair-strong:rgba(255,255,255,.16);
  --navy:#1A3163; --slate:#455880;
  --accent:#EAA800; --accent-2:#F2B92E; --accent-press:#C98F00; --accent-soft:rgba(234,168,0,.16); --on-accent:#162E60;
  --gold:#EAA800; --gold-dk:#F2B92E; --gold-soft:rgba(234,168,0,.16); --on-gold:#162E60;
  --tracer:#EAA800; --beam:#6E9BE8; --ok:#3FC57E; --warn:#F2B92E; --fault:#FF6257;
  --glass:rgba(26,49,99,.7); --glass2:rgba(14,31,69,.82);
  --sh-2:0 8px 24px -8px rgba(0,0,0,.5), 0 2px 6px rgba(0,0,0,.3);
  --sh-3:0 24px 60px -16px rgba(0,0,0,.62), 0 4px 14px rgba(0,0,0,.4);
  --glow-accent:0 0 0 1px rgba(234,168,0,.4), 0 0 22px -4px rgba(234,168,0,.4);
  --glow-beam:0 0 0 1px rgba(110,155,232,.4), 0 0 18px -4px rgba(110,155,232,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--body);font-family:var(--font-body);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;position:relative;overflow-x:hidden;
  transition:background .3s var(--ease),color .3s var(--ease)}
body::before{content:"";position:fixed;inset:-20%;z-index:-2;
  background:
    radial-gradient(ellipse 48% 38% at 16% 6%,var(--bg-tint1),transparent 60%),
    radial-gradient(ellipse 44% 48% at 88% 14%,var(--bg-tint2),transparent 60%);
  animation:drift 28s var(--ease) infinite alternate}
body::after{content:"";position:fixed;inset:0;z-index:-2;opacity:.5;
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(ellipse 92% 82% at 50% 24%,#000 28%,transparent 78%)}
/* display headings stay navy (base body text is the softer body-gray) */
h1,.dz-title,.panel-title,.proc-title,.phase-name,.modal-head,.metric-name,.history-main{color:var(--chalk)}
@keyframes drift{from{transform:translate3d(-2%,-1%,0)}to{transform:translate3d(2%,1%,0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@keyframes sweep{to{transform:rotate(360deg)}}
@keyframes pulseDot{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes shimmer{from{background-position:-180% 0}to{background-position:180% 0}}
@keyframes barGrow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.mono{font-family:var(--font-mono)}
.hidden{display:none!important}
button{cursor:pointer;font-family:inherit;color:inherit}
em{font-style:normal}
::selection{background:var(--accent-soft)}
:focus-visible{outline:2px solid var(--beam);outline-offset:2px;border-radius:4px}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;
  padding:13px 28px;background:color-mix(in srgb,var(--bg) 82%,transparent);
  border-bottom:1px solid var(--hair);backdrop-filter:blur(14px) saturate(1.15)}
.brand{display:flex;align-items:center;gap:13px;background:none;border:0;padding:4px;border-radius:var(--r-s);transition:opacity .15s}
.brand:hover{opacity:.78}
.brand-mark{font-size:19px}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:25px;letter-spacing:.045em;line-height:1;color:var(--chalk)}
.brand-name em{color:var(--gold)}
.brand-sub{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.24em;color:var(--muted);
  padding-left:13px;border-left:1px solid var(--hair-strong);text-decoration:none;transition:color .15s}
.brand-sub:hover{color:var(--gold)}
.topbar-actions{display:flex;gap:9px;align-items:center}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-s);font-size:16px;transition:border-color .15s,background .15s,transform .12s;box-shadow:var(--sh-1)}
.icon-btn:hover{border-color:var(--accent);transform:translateY(-1px)}

/* ---- buttons / inputs ---- */
.btn{position:relative;border:1px solid var(--line);background:var(--surface);color:var(--chalk);
  padding:9px 17px;border-radius:var(--r-s);font-family:var(--font-display);font-weight:700;font-size:14px;
  letter-spacing:.06em;transition:transform .12s var(--ease),border-color .15s,color .15s,box-shadow .2s,background .2s;
  box-shadow:var(--sh-1)}
.btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-press));border-color:transparent;
  color:var(--on-accent);box-shadow:var(--glow-accent)}
.btn.primary:hover{filter:brightness(1.06);color:var(--on-accent);transform:translateY(-1px)}
.btn.primary:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.3);box-shadow:none;transform:none}
.btn.ghost{background:transparent;box-shadow:none}
.btn.big{font-size:19px;padding:15px 22px;width:100%}
/* the one primary CTA per screen is gold (navy text); other primary buttons stay navy */
.btn.primary.big{background:linear-gradient(180deg,var(--gold),var(--gold-dk));border-color:transparent;color:var(--on-gold)}
.btn.primary.big:hover{filter:brightness(1.05);color:var(--on-gold)}
.btn.tiny{font-size:11px;padding:4px 10px;letter-spacing:.04em}
.select{width:100%;background:var(--surface-2);border:1px solid var(--line);color:var(--chalk);padding:10px 12px;
  border-radius:var(--r-s);font-family:var(--font-mono);font-size:13px;transition:border-color .15s,box-shadow .2s}
.select:hover{border-color:var(--line-2)}
.select:focus{border-color:var(--beam);box-shadow:var(--glow-beam);outline:none}

/* ---- toasts (replaces native alert) ---- */
#toasts{position:fixed;top:18px;right:18px;z-index:80;display:flex;flex-direction:column;gap:10px;max-width:380px}
.toast{display:flex;gap:11px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--muted);border-radius:var(--r-m);padding:13px 14px;box-shadow:var(--sh-3);
  animation:toastIn .3s var(--ease-out);font-size:13.5px}
.toast.err{border-left-color:var(--fault)} .toast.warn{border-left-color:var(--warn)}
.toast.ok{border-left-color:var(--ok)} .toast.info{border-left-color:var(--beam)}
.toast-ico{font-size:15px;line-height:1.2;flex:none}
.toast-body{flex:1;min-width:0}
.toast-title{font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.02em;margin-bottom:2px}
.toast-msg{color:var(--muted);font-size:12.5px;line-height:1.5}
.toast-x{background:none;border:0;color:var(--dim);font-size:15px;flex:none;padding:0 2px}
.toast-x:hover{color:var(--fault)}

/* ---- upload screen ---- */
.screen{max-width:1200px;margin:0 auto;padding:38px 28px}
#screenUpload{animation:fadeUp .5s var(--ease-out)}
.upload-hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(42px,6.4vw,72px);line-height:.92;letter-spacing:.005em}
.upload-hero .hl{color:var(--gold)}
.lede{color:var(--body);max-width:100%;margin:18px 0 32px;font-size:16px;line-height:1.7}
.upload-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}
.dropzone{position:relative;border:1.5px dashed var(--line-2);border-radius:var(--r-l);background:var(--surface);
  min-height:360px;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;
  box-shadow:var(--sh-1);transition:border-color .2s,background .2s,box-shadow .25s,transform .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--surface-2);box-shadow:var(--glow-accent);transform:translateY(-2px)}
.dropzone.loaded{border-style:solid;border-color:var(--ok);box-shadow:0 0 0 1px var(--ok),var(--sh-2)}
.dz-inner{text-align:center;padding:32px;position:relative;z-index:1}
.dz-icon{width:64px;height:64px;margin:0 auto 16px;display:grid;place-items:center;border-radius:50%;
  font-size:24px;color:var(--on-accent);background:linear-gradient(180deg,var(--accent),var(--accent-press));box-shadow:var(--glow-accent)}
.dz-title{font-family:var(--font-display);font-weight:700;font-size:24px;letter-spacing:.02em}
.dz-sub{color:var(--muted);font-size:13px;margin-top:7px}
.dz-clear{position:absolute;top:12px;right:12px;z-index:3;display:none;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:14px;box-shadow:var(--sh-1)}
.dropzone.loaded .dz-clear{display:grid;place-items:center}
.dz-clear:hover{border-color:var(--fault);color:var(--fault)}
.setup-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:24px;
  display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh-2)}
.setup-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;color:var(--muted);display:block;margin-bottom:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden;background:var(--surface-2)}
.seg button{flex:1;background:transparent;border:0;color:var(--muted);padding:10px 6px;font-family:var(--font-display);
  font-weight:700;font-size:14px;letter-spacing:.05em;transition:color .15s,background .2s}
.seg button:hover{color:var(--chalk)}
.seg button.active{background:var(--accent);color:var(--on-accent)}
.setup-tips{font-size:12px;color:var(--dim);border-top:1px solid var(--hair);padding-top:15px}
.tip-key{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--muted);display:block;margin-bottom:5px}

/* ---- processing ---- */
#screenProcessing{animation:fadeUp .4s var(--ease-out)}
.proc-wrap{max-width:560px;margin:64px auto;text-align:center}
.proc-radar{width:168px;height:168px;margin:0 auto 30px;position:relative;border-radius:50%;
  border:1px solid var(--line-2);background:radial-gradient(circle,var(--surface-2),var(--surface));box-shadow:var(--sh-2)}
.proc-radar::before{content:"";position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0deg,var(--accent-soft) 30deg,var(--accent) 75deg,transparent 78deg);
  animation:sweep 1.5s linear infinite;opacity:.9}
.proc-radar::after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:0 0 0 1px var(--hair) inset}
.proc-radar .rdot{position:absolute;top:50%;left:50%;width:8px;height:8px;margin:-4px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px var(--accent)}
.proc-title{font-family:var(--font-display);font-weight:800;font-size:32px;letter-spacing:.04em}
.proc-stage{color:var(--beam);margin:9px 0 24px;font-family:var(--font-mono);font-size:13px;min-height:19px;letter-spacing:.03em}
.progress{height:9px;background:var(--surface-2);border:1px solid var(--line);border-radius:99px;overflow:hidden;position:relative}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-2),var(--accent));border-radius:99px;
  transition:width .25s var(--ease)}
.proc-pct{margin-top:11px;color:var(--accent);font-size:15px;font-weight:600;letter-spacing:.1em}
.proc-steps{list-style:none;display:flex;flex-direction:column;gap:9px;max-width:340px;margin:26px auto 22px;text-align:left}
.proc-steps li{display:flex;align-items:center;gap:11px;font-family:var(--font-mono);font-size:12px;color:var(--dim);letter-spacing:.03em;transition:color .3s}
.proc-steps li .pstep-dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--line-2);flex:none;transition:all .3s}
.proc-steps li.active{color:var(--chalk)}
.proc-steps li.active .pstep-dot{background:var(--accent);border-color:var(--accent);animation:pulseDot 1.1s infinite}
.proc-steps li.done{color:var(--muted)}
.proc-steps li.done .pstep-dot{background:var(--ok);border-color:var(--ok)}
.proc-cancel{margin:0 auto}

/* ---- results layout ---- */
#screenResults{animation:fadeUp .45s var(--ease-out)}
.results-grid{display:flex;flex-direction:column;gap:18px}
.results-top{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;align-items:start}
.summary-col{display:flex;flex-direction:column;gap:16px}
.summary-col .panel{margin-bottom:0}
.results-bottom{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:20px;align-items:start}
.results-bottom .panel{margin-bottom:0}
.video-stage{position:relative;background:#000;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  box-shadow:var(--sh-3);display:flex;align-items:center;justify-content:center;max-height:72vh}
.video-stage video{display:block;max-width:100%;max-height:72vh;width:auto;height:auto}
.video-stage canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.stage-badges{position:absolute;top:11px;left:11px;display:flex;gap:8px;pointer-events:auto;z-index:2}
.badge{background:rgba(6,16,11,.74);border:1px solid rgba(244,241,228,.18);color:var(--tracer);font-size:11px;
  letter-spacing:.12em;padding:4px 10px;border-radius:var(--r-s);backdrop-filter:blur(8px)}
.badge-btn{cursor:pointer;transition:border-color .15s,box-shadow .2s,color .15s}
.badge-btn:hover{border-color:var(--tracer)}
.transport{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-top:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:10px 14px;box-shadow:var(--sh-1)}
#btnPlay{min-width:46px;font-size:15px}
.view-mode-btn{white-space:nowrap;font-size:10px;letter-spacing:.1em;padding:7px 11px}
.view-mode-btn.on{color:var(--tracer);border-color:var(--tracer)}
.video-stage.skeleton-only video{visibility:hidden}
.transport input[type=range]{flex:1;accent-color:var(--accent);height:5px;cursor:pointer}
.overlay-toggles{display:flex;gap:13px;font-size:10px;letter-spacing:.1em;color:var(--muted)}
.overlay-toggles label{display:flex;gap:5px;align-items:center;cursor:pointer;transition:color .15s}
.overlay-toggles label:hover{color:var(--chalk)}
.overlay-toggles input{accent-color:var(--accent)}

/* tempo strip — visual backswing:downswing timing, synced to the scrubber */
.tempo-strip{margin-top:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:12px 15px;box-shadow:var(--sh-1)}
.tempo-strip[hidden]{display:none}
.tempo-head{display:flex;align-items:baseline;gap:11px;margin-bottom:22px}
.tempo-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--muted)}
.tempo-ratio{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--chalk)}
.tempo-times{font-size:11px;color:var(--dim);letter-spacing:.04em;margin-left:auto}
.tempo-track{position:relative;display:flex;height:30px;border-radius:var(--r-s);
  background:var(--surface-3);border:1px solid var(--hair-strong)}
.tempo-seg{display:flex;align-items:center;justify-content:center;min-width:0;transition:width .4s var(--ease),filter .15s}
.tempo-seg span{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.14em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 6px}
.tempo-seg.back{background:color-mix(in srgb,var(--slate) 38%,transparent);color:var(--chalk);border-radius:var(--r-s) 0 0 var(--r-s)}
.tempo-seg.down{background:linear-gradient(90deg,var(--gold),var(--gold-dk));color:var(--on-gold);border-radius:0 var(--r-s) var(--r-s) 0}
.tempo-seg.act{filter:brightness(1.12) saturate(1.1)}
.tempo-tick{position:absolute;top:0;bottom:0;display:flex;flex-direction:column;align-items:center;pointer-events:none;transform:translateX(-50%)}
.tempo-tick i{width:2px;flex:1;background:rgba(255,255,255,.55)}
.tempo-tick b{position:absolute;top:-15px;font-family:var(--font-mono);font-size:8.5px;letter-spacing:.12em;color:var(--muted);white-space:nowrap}
.tempo-tick.imp b{color:var(--gold-dk);transform:translateX(-100%);margin-left:-3px}
.tempo-playhead{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--beam);box-shadow:0 0 8px var(--beam);
  transform:translateX(-50%);transition:left .08s linear;pointer-events:none}
.tempo-playhead::after{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;
  background:var(--beam);transform:translateX(-50%);box-shadow:0 0 8px var(--beam)}
.tempo-foot{margin-top:18px;font-size:11px;color:var(--dim);letter-spacing:.03em;line-height:1.5}
.tempo-foot b{color:var(--gold-dk)}

/* phase filmstrip */
.phase-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:18px}
.phase-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);
  overflow:hidden;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .2s;text-align:left;padding:0;
  box-shadow:var(--sh-1);animation:popIn .4s var(--ease-out) both}
.phase-card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:var(--sh-2)}
.phase-card.active{border-color:var(--accent);box-shadow:var(--glow-accent)}
.phase-card.active::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);z-index:2}
.phase-card img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#000;transition:transform .3s}
.phase-card:hover img{transform:scale(1.04)}
.phase-meta{padding:7px 9px}
.phase-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--gold-dk)}
.phase-name{font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.02em;line-height:1.1}
.phase-time{font-family:var(--font-mono);font-size:10px;color:var(--dim)}
.phase-adjust{display:flex;gap:8px;align-items:center;margin-top:12px;font-size:11px;color:var(--dim);flex-wrap:wrap}

/* ---- data panels ---- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:19px;margin-bottom:16px;
  box-shadow:var(--sh-2);animation:fadeUp .5s var(--ease-out) both}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px;gap:10px}
.panel-title{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.06em}
.panel-sub{font-size:10px;color:var(--dim);letter-spacing:.1em}

/* score gauge */
.score-panel-grid{display:flex;align-items:center;gap:20px}
.gauge-wrap{position:relative;width:128px;height:128px;flex:none}
.gauge-wrap svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge-track{fill:none;stroke:var(--surface-3);stroke-width:11}
.gauge-arc{fill:none;stroke:var(--accent);stroke-width:11;stroke-linecap:round;transition:stroke .4s}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-big{font-family:var(--font-mono);font-size:38px;font-weight:600;color:var(--chalk);line-height:1}
.score-of{font-family:var(--font-mono);font-size:10px;color:var(--dim);letter-spacing:.1em;margin-top:1px}
.score-side{flex:1;min-width:0}
.score-grade{font-family:var(--font-display);font-weight:800;font-size:46px;line-height:.9;letter-spacing:.02em}
.score-grade-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--muted);margin-top:3px}
.tempo-line{font-size:12px;color:var(--muted);margin-top:11px;padding-top:11px;border-top:1px solid var(--hair)}
.tempo-line b{color:var(--gold-dk);font-family:var(--font-mono)}
.grade-a{color:var(--ok)} .grade-b{color:var(--accent)} .grade-c{color:var(--warn)} .grade-d{color:var(--fault)}

/* ---- metrics ---- */
.metrics-list{column-count:2;column-gap:32px}

/* at-a-glance summary + legend (span both columns, sit at the very top) */
.metrics-summary,.metrics-legend{column-span:all;-webkit-column-span:all}
.metrics-summary{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.ms-chip{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;padding:4px 10px;border-radius:99px;border:1px solid}
.ms-chip b{font-weight:700}
.ms-chip.good{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.ms-chip.ok{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 45%,transparent);background:color-mix(in srgb,var(--warn) 10%,transparent)}
.ms-chip.fault{color:var(--fault);border-color:color-mix(in srgb,var(--fault) 45%,transparent);background:color-mix(in srgb,var(--fault) 10%,transparent)}
.ms-hint{flex:1;min-width:180px;font-size:11px;color:var(--dim);line-height:1.4}
.metrics-legend{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:11px;color:var(--muted);
  background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-s);padding:8px 12px;margin-bottom:16px}
.ml-item{display:flex;align-items:center;gap:6px}
.ml-zone{width:20px;height:6px;border-radius:99px;background:color-mix(in srgb,var(--ok) 55%,transparent);flex:none}
.ml-dot{width:3px;height:12px;border-radius:99px;background:var(--chalk);flex:none}
.ml-tip{color:var(--dim);font-style:italic}

.metric-group-wrap{display:block;break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid}
.metric-group{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--gold-dk);
  display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none;
  border-bottom:1px solid var(--hair);padding:11px 0 7px;margin-top:6px;transition:color .15s}
.metric-group:first-of-type{margin-top:0}
.metric-group:hover{color:var(--chalk)}
.mg-right{display:flex;align-items:center;gap:9px}
.mg-info{background:none;border:0;color:var(--beam);font-size:14px;line-height:1;padding:0 2px;border-radius:50%;
  transition:transform .15s,color .15s}
.mg-info:hover{transform:scale(1.25);color:var(--accent)}
.metric-group .grp-caret{transition:transform .2s var(--ease);color:var(--dim);font-size:10px}
.metric-group.collapsed .grp-caret{transform:rotate(-90deg)}
.metric-group-body{display:flex;flex-direction:column;gap:11px;padding-top:11px}
.metric-group-body.collapsed{display:none}
.metric{display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:baseline;cursor:pointer;border-radius:var(--r-s);
  transition:background .15s;padding:7px 8px 11px;margin:0 -8px;border-bottom:1px solid var(--hair)}
.metric:last-child{border-bottom:0}
.metric:hover{background:var(--surface-2)}
.metric.sel{background:var(--accent-soft);box-shadow:inset 2px 0 0 var(--beam)}
.metric-name{font-size:13px;font-weight:600;display:flex;align-items:center;gap:7px}
.metric-val{font-family:var(--font-mono);font-size:15px;font-weight:600}
.metric-val.good{color:var(--ok)} .metric-val.ok{color:var(--warn)} .metric-val.fault{color:var(--fault)}
.metric-val.lowconf{color:var(--dim)}
/* status pill — the plain-language verdict on each metric */
.metric-head-row{grid-column:1/-1;margin-top:1px}
.status-pill{font-family:var(--font-mono);font-size:8.5px;font-weight:700;letter-spacing:.1em;padding:2px 7px;border-radius:99px;text-transform:uppercase}
.status-pill.good{color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.status-pill.ok{color:var(--warn);background:color-mix(in srgb,var(--warn) 16%,transparent)}
.status-pill.fault{color:var(--fault);background:color-mix(in srgb,var(--fault) 14%,transparent)}
.status-pill.lowconf{color:var(--dim);background:var(--surface-3)}
.metric-bar{grid-column:1/-1;height:6px;background:var(--surface-3);border-radius:99px;position:relative;overflow:hidden;margin-top:4px}
.metric-bar i{position:absolute;top:0;bottom:0;border-radius:99px}
.metric-bar .zone{background:color-mix(in srgb,var(--ok) 55%,transparent);transform-origin:left;animation:barGrow .6s var(--ease-out) both}
.metric-bar .dot{width:3px;background:var(--chalk);border-radius:99px;transition:left .5s var(--ease)}
.metric-note{grid-column:1/-1;font-size:11px;color:var(--dim);margin-top:5px;line-height:1.5}
.metric-ideal{color:var(--muted);font-family:var(--font-mono);font-size:10.5px}
.metric-fix{display:block;margin-top:6px;padding:7px 9px;background:var(--surface-2);border-left:2px solid var(--beam);
  border-radius:0 var(--r-s) var(--r-s) 0;color:var(--body);font-size:11.5px;line-height:1.5}
.metric-fix b{color:var(--accent);font-weight:700}
/* keep the list compact on mouse devices — reveal a metric's note on hover or when selected.
   Touch devices (no hover) keep notes visible. The clubface note (.face-block) is never hidden. */
@media (hover:hover){
  .metric>.metric-note{display:none}
  .metric:hover>.metric-note,.metric.sel>.metric-note{display:block}
}
.metric-low{opacity:.62}
.conf-chip{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;color:var(--warn);border:1px solid var(--warn);border-radius:3px;padding:1px 5px}
.metric-delta{font-family:var(--font-mono);font-size:10px;padding:1px 6px;border-radius:99px;letter-spacing:.04em}
.metric-delta.up{color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.metric-delta.down{color:var(--fault);background:color-mix(in srgb,var(--fault) 14%,transparent)}
.face-block{border:1px dashed var(--line-2);border-radius:var(--r-s);padding:12px;display:flex;flex-direction:column;gap:5px;margin-top:8px}
.face-verdict{font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.03em;color:var(--accent)}

/* category explainer modal */
.explain-body{display:flex;flex-direction:column;gap:14px}
.explain-title{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.02em;color:var(--chalk)}
.explain-sec{border-left:3px solid var(--line-2);padding-left:12px}
.explain-sec.good{border-left-color:var(--ok)}
.explain-sec.fault{border-left-color:var(--fault)}
.explain-h{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;color:var(--muted);display:block;margin-bottom:4px}
.explain-sec p{font-size:13.5px;line-height:1.6;color:var(--body)}

/* ---- kinematic panel — dark data inset in both themes ---- */
.kin-canvas{width:100%;height:170px;display:block;background:linear-gradient(180deg,var(--kin-bg1),var(--kin-bg2));
  border:1px solid var(--line);border-radius:var(--r-s)}
.kin-legend{display:flex;gap:15px;font-size:10px;letter-spacing:.14em;margin-top:9px;color:var(--muted)}
.lg::before{content:"";display:inline-block;width:11px;height:3px;margin-right:5px;vertical-align:middle;border-radius:2px}
.lg-p::before{background:#5FD68B} .lg-c::before{background:#FFC65C} .lg-a::before{background:#E8FF47;outline:1px solid var(--hair-strong)}
.kin-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:11px;align-items:center}
.kin-verdict{width:100%;font-size:12.5px;line-height:1.55;color:var(--body);padding:9px 11px;border-radius:var(--r-s);
  border-left:3px solid var(--line-2);background:var(--surface-2);margin-bottom:3px}
.kin-verdict.good{border-left-color:var(--ok)}
.kin-verdict.warn{border-left-color:var(--warn)}
.kin-verdict.fault{border-left-color:var(--fault)}
.panel-head-right{display:flex;align-items:center;gap:9px}
.kin-badge{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;padding:4px 11px;border-radius:99px;border:1px solid}
.kin-ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 50%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.kin-bad{color:var(--fault);border-color:color-mix(in srgb,var(--fault) 50%,transparent);background:color-mix(in srgb,var(--fault) 10%,transparent)}
.kin-peaks{font-size:10px;color:var(--dim);letter-spacing:.05em;width:100%;margin-top:2px}

/* ---- coach ---- */
.coach-body{font-size:14px}
.coach-empty{color:var(--dim);font-size:13px}
.coach-loading{color:var(--accent);font-family:var(--font-mono);font-size:13px;display:flex;align-items:center;gap:9px}
.coach-loading::before{content:"";width:13px;height:13px;border:2px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:sweep .8s linear infinite}
.coach-summary{border-left:3px solid var(--gold);padding:6px 0 6px 13px;margin-bottom:15px;color:var(--chalk);background:linear-gradient(90deg,var(--gold-soft),transparent);border-radius:0 var(--r-s) var(--r-s) 0}
.coach-h{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--muted);margin:15px 0 8px}
.coach-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.coach-list li{padding-left:17px;position:relative;font-size:13px}
.coach-list li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:99px}
.coach-list.str li::before{background:var(--ok)}
.coach-list.imp li::before{background:var(--fault)}
.drill{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-s);padding:13px;margin-top:9px;transition:border-color .15s,opacity .15s}
.drill.done{opacity:.6;border-color:var(--ok)}
.drill-top{display:flex;align-items:flex-start;gap:10px}
.drill-chk{accent-color:var(--ok);margin-top:4px;width:16px;height:16px;flex:none;cursor:pointer}
.drill-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:.02em;color:var(--accent)}
.drill.done .drill-name{text-decoration:line-through}
.drill-reps{font-family:var(--font-mono);font-size:11px;color:var(--muted);margin:2px 0 7px}
.drill p{font-size:13px;margin-bottom:6px} .drill .why{color:var(--muted);font-size:12px;font-style:italic}
.coach-src{font-size:10px;color:var(--dim);letter-spacing:.1em;margin-top:13px;font-family:var(--font-mono)}
.results-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}

/* ---- modals ---- */
.modal{position:fixed;inset:0;background:rgba(10,20,15,.45);display:flex;align-items:center;justify-content:center;
  z-index:60;padding:20px;backdrop-filter:blur(5px);animation:fadeUp .25s var(--ease-out)}
.modal-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:26px;
  width:min(440px,100%);display:flex;flex-direction:column;gap:13px;max-height:86vh;overflow:auto;box-shadow:var(--sh-3);animation:popIn .3s var(--ease-out)}
.modal-card.wide{width:min(780px,100%)}
.modal-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:.06em}
.modal-x{background:none;border:0;color:var(--muted);font-size:17px;transition:color .15s,transform .15s}
.modal-x:hover{color:var(--fault);transform:scale(1.15)}
.hint{font-size:12px;color:var(--dim)}
.chk-row{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);cursor:pointer}
.chk-row input{accent-color:var(--accent);margin-top:3px} .chk-row b{color:var(--chalk)}
.history-list{display:flex;flex-direction:column;gap:10px}
.history-item{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-s);padding:13px 15px;transition:border-color .15s,transform .12s}
.history-item:hover{border-color:var(--line-2);transform:translateX(2px)}
.history-main{font-weight:600;font-size:14px} .history-sub{font-family:var(--font-mono);font-size:11px;color:var(--muted)}
.history-actions{display:flex;gap:8px}
.compare-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:13px}
.compare-table th,.compare-table td{padding:9px 11px;border-bottom:1px solid var(--hair);text-align:left}
.compare-table th{font-size:10px;letter-spacing:.15em;color:var(--muted)}
.compare-table tr:hover td{background:var(--surface-2)}
.delta-good{color:var(--ok)} .delta-bad{color:var(--fault)}

/* signed-in dot on Account button */
#btnAccount.signed-in{position:relative}
#btnAccount.signed-in::after{content:"";position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;
  background:var(--ok);border:1.5px solid var(--surface);box-shadow:0 0 5px var(--ok)}

/* auth modal sub-views */
#authViewSent,#authViewAccount{display:flex;flex-direction:column;gap:13px}

/* ---- responsive ---- */
@media (max-width:980px){
  .upload-grid{grid-template-columns:1fr}
  .results-top,.results-bottom{grid-template-columns:1fr}
  .phase-strip{grid-template-columns:repeat(3,1fr)}
  .video-stage,.video-stage video{max-height:56vh}
  .brand-sub{display:none}
}
@media (max-width:560px){
  .screen{padding:24px 16px}
  .topbar{padding:11px 16px}
  .metrics-list{column-count:1}
  .phase-strip{grid-template-columns:repeat(2,1fr)}
  .overlay-toggles{flex-wrap:wrap}
  #toasts{left:12px;right:12px;max-width:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}