:root{
  --bg:#070b12; --panel:rgba(255,255,255,.045); --panel2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.09); --text:#e8eef7; --muted:#8b98ad;
  --cyan:#22d3ee; --emerald:#34d399; --amber:#fbbf24; --red:#f87171;
  --radius:16px; --shadow:0 10px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{
  margin:0; min-height:100vh; color:var(--text);
  font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1100px 600px at 85% -10%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 110%,rgba(52,211,153,.08),transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin:0}
.muted{color:var(--muted)} .sm{font-size:13px} .grow{flex:1}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* glass + cards */
.glass,.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
}
.card{padding:18px}
.card h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-weight:600}

/* buttons / inputs */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);
  font-weight:600;transition:.15s;
}
.btn:hover{background:rgba(255,255,255,.12)}
.btn.primary{background:linear-gradient(135deg,var(--cyan),var(--emerald));color:#04141a;border:0}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.danger{border-color:rgba(248,113,113,.4);color:var(--red);background:transparent}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.wide{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--panel)}
.icon-btn.sm{width:30px;height:30px}
.icon-btn.lg{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--emerald));color:#04141a;border:0}
.input,.select{
  width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);
  background:rgba(0,0,0,.28);outline:none;
}
.input:focus,.select:focus{border-color:var(--cyan)}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:32px}
.select.sm{width:auto;padding:6px 28px 6px 10px;font-size:13px}
.select option{background:#0d1522}
label{display:block;font-size:13px;color:var(--muted)}
label .input,label .select{margin-top:6px;color:var(--text);font-size:15px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.end{justify-content:flex-end}
.note{font-size:12.5px;color:var(--muted);background:rgba(34,211,238,.06);border:1px dashed rgba(34,211,238,.25);padding:8px 10px;border-radius:10px}
.empty{text-align:center;padding:26px 12px;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
.empty .btn{margin-top:10px}

/* chips / pills / badges */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip,.pill{
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);background:var(--panel);
  font-size:13px;transition:.15s;
}
.chip:hover,.pill:hover{border-color:rgba(34,211,238,.5)}
.chip.on,.pill.on{background:rgba(34,211,238,.16);border-color:var(--cyan);color:#baf3ff}
.filters{display:grid;gap:8px;margin-bottom:18px}
.chips.sub .chip{font-size:12px;padding:4px 10px;opacity:.9}
.badge{font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;letter-spacing:.04em;text-transform:uppercase}
.badge.Beginner{background:rgba(52,211,153,.15);color:var(--emerald)}
.badge.Intermediate{background:rgba(251,191,36,.15);color:var(--amber)}
.badge.Advanced{background:rgba(248,113,113,.15);color:var(--red)}
.tabs.seg,.seg{display:flex;gap:4px;padding:4px;border-radius:12px;background:rgba(0,0,0,.28);border:1px solid var(--line)}
.seg button{flex:1;padding:8px 10px;border:0;border-radius:9px;background:transparent;font-size:13px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--panel2);color:var(--text)}

/* shell */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:236px;flex:none;position:sticky;top:0;height:100vh;padding:16px 12px;
  display:flex;flex-direction:column;gap:6px;
  background:rgba(6,10,16,.7);border-right:1px solid var(--line);backdrop-filter:blur(16px);
  transition:width .2s;overflow:hidden;z-index:30;
}
.collapsed .sidebar{width:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;padding:6px 10px 16px;white-space:nowrap}
.brand.big{justify-content:center;font-size:24px;padding:0}
.logo{color:var(--cyan);filter:drop-shadow(0 0 8px rgba(34,211,238,.6))}
.nav{
  display:flex;align-items:center;gap:12px;width:100%;padding:11px 12px;border-radius:12px;
  background:transparent;border:1px solid transparent;color:var(--muted);text-align:left;white-space:nowrap;font-weight:600;
}
.nav:hover{background:var(--panel);color:var(--text)}
.nav.on{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.35);color:#c9f6ff}
.collapse-btn{margin-top:auto}
.collapsed .lbl{display:none}
.collapsed .collapse-btn .ic{transform:rotate(180deg)}
.main-col{flex:1;min-width:0}
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:12px 24px;
  background:rgba(7,11,18,.72);border-bottom:1px solid var(--line);backdrop-filter:blur(14px);
}
.topbar h1{font-size:16px;font-weight:700}
.user{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;color:#04141a;background:linear-gradient(135deg,var(--cyan),var(--emerald))}
.uname{font-size:14px;color:var(--muted);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#view{padding:24px;max-width:1360px;margin:0 auto}
.only-mobile{display:none}
.scrim{display:none}
.page-head{margin-bottom:18px}
.page-head h2{font-size:26px;letter-spacing:-.01em}

/* grids */
.grid{display:grid;gap:16px}
.cards-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.list{display:grid;gap:10px}
.item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:rgba(0,0,0,.2);border:1px solid var(--line)}
.item .grow{min-width:0}
.item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.score-pill{font-weight:800;color:var(--emerald)}
.gauge{width:110px;height:110px}
.g-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:9}
.g-fg{fill:none;stroke:url(#gg);stroke:var(--emerald);stroke-width:9;stroke-linecap:round}
.g-t{fill:var(--text);font-size:30px;font-weight:800}
.spark{width:100%;height:46px}
.spark polyline{fill:none;stroke:var(--cyan);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
.big-num{font-size:34px;font-weight:800;line-height:1.1}
.sport-line{margin-bottom:8px}
.sport-line b{color:var(--cyan)}

/* auth */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:min(420px,100%);padding:30px;display:grid;gap:16px;box-shadow:var(--shadow)}
.auth-card p{text-align:center;font-size:14px}
.pw{position:relative}
.pw .input{padding-right:46px}
.eye{position:absolute;right:6px;top:50%;transform:translateY(-35%);background:transparent;border:0;color:var(--muted);width:36px;height:36px;display:grid;place-items:center}
.err{color:var(--red);font-size:13px;min-height:18px}
.badge-lock{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--emerald);background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.25);padding:9px 11px;border-radius:12px}
.badge-lock .ic{width:16px;height:16px;margin-top:1px}

/* sports picker */
.pklist{display:grid;gap:10px;margin-top:12px;max-height:56vh;overflow:auto;padding-right:4px}
.sport{border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:rgba(0,0,0,.18)}
.sport.sel{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.05)}
.sport-h{display:flex;align-items:center;gap:10px}
.sport-toggle{flex:1;text-align:left;background:transparent;border:0;font-weight:700;font-size:15px;padding:4px 0}
.sport .icon-btn .ic{transition:.15s;transform:rotate(-90deg)}
.sport.open .icon-btn .ic{transform:rotate(90deg)}
.pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}

/* modal + toast */
.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(2,5,9,.7);backdrop-filter:blur(6px);display:grid;place-items:center;padding:16px}
.modal{width:min(720px,100%);max-height:92vh;overflow:auto;padding:24px;display:grid;gap:14px;background:#0b121c;box-shadow:var(--shadow)}
.modal h2{font-size:22px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#0f1b29;border:1px solid var(--cyan);padding:10px 16px;border-radius:12px;z-index:200;transition:.25s}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* studio */
.studio{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:16px;align-items:start}
.col-main{display:grid;gap:16px;min-width:0}
.dropzone{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:16px;border:1.5px dashed rgba(34,211,238,.4);
  border-radius:14px;background:rgba(34,211,238,.04);transition:.15s;
}
.dropzone.drag{background:rgba(34,211,238,.14);border-color:var(--cyan)}
.dropzone .grow{flex:1;min-width:160px}
.ctx-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:14px}
.steps{display:flex;gap:8px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:6px 12px;border-radius:999px;border:1px solid var(--line)}
.step i{font-style:normal;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;background:var(--panel2)}
.step.on{color:var(--text);border-color:var(--cyan)} .step.on i{background:var(--cyan);color:#04141a}
.step.done i{background:var(--emerald);color:#04141a}
.stage{position:relative;aspect-ratio:16/9;background:#05080d;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.stage video,.stage canvas{position:absolute;inset:0;width:100%;height:100%}
.stage video{object-fit:contain;background:#000}
.stage canvas{pointer-events:none}
.stage.placeholder{display:grid;place-items:center;text-align:center;color:var(--muted);background:
  repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 40px),
  repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 40px),#05080d}
.boxes{position:absolute;inset:0}
.box{position:absolute;border:2px solid var(--cyan);border-radius:8px;box-shadow:0 0 18px rgba(34,211,238,.35);display:flex;flex-direction:column;justify-content:space-between}
.box .tag{background:var(--cyan);color:#04141a;font-size:11px;font-weight:800;padding:2px 7px;width:max-content;border-radius:0 0 8px 0}
.box .btn{margin:6px;padding:5px 8px;font-size:12px;align-self:center}
.banner{position:absolute;left:12px;right:12px;top:10px;padding:8px 12px;border-radius:10px;background:rgba(5,8,13,.8);border:1px solid var(--line);font-size:13px;text-align:center}
.controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}
.scrub-wrap{position:relative;flex:1;min-width:180px;padding:14px 0 4px}
input[type=range]{width:100%;accent-color:var(--cyan);margin:0}
.markers{position:absolute;left:0;right:0;top:0;height:14px;pointer-events:none}
.mk{position:absolute;top:0;width:10px;height:10px;transform:translateX(-50%) rotate(45deg);border:0;padding:0;pointer-events:auto;border-radius:2px}
.mk.breakdown{background:var(--red)} .mk.key{background:var(--cyan)} .mk.insight{background:var(--emerald)}
.switch{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}
.switch input{accent-color:var(--cyan);width:16px;height:16px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:10px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px}
.dot.ok,.ang.ok b{background:none} .dot.ok{background:var(--emerald)} .dot.warn{background:var(--amber)} .dot.bad{background:var(--red)}
.angles{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-top:10px}
.ang{display:flex;justify-content:space-between;padding:7px 10px;border-radius:10px;font-size:13px;background:rgba(0,0,0,.25);border:1px solid var(--line)}
.ang.ok b{color:var(--emerald)} .ang.warn b{color:var(--amber)} .ang.bad b{color:var(--red)}
.ev-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.ev-group h4{margin:0 0 8px;font-size:13px;display:flex;align-items:center;gap:6px}
.ev{display:flex;gap:10px;width:100%;text-align:left;padding:8px 10px;margin-bottom:6px;border-radius:10px;border:1px solid var(--line);background:rgba(0,0,0,.2);font-size:13px}
.ev:hover{border-color:var(--cyan)}
.ev .mono{font-weight:700}
.ev.breakdown .mono{color:var(--red)} .ev.key .mono{color:var(--cyan)} .ev.insight .mono{color:var(--emerald)}

/* coach */
.coach{padding:0;display:flex;flex-direction:column;position:sticky;top:76px;max-height:calc(100vh - 96px)}
.coach-h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.coach-h .icon-btn .ic{transform:rotate(-90deg);transition:.15s}
.coach.closed .coach-h .icon-btn .ic{transform:rotate(90deg)}
.coach.closed .coach-body{display:none}
.coach-body{padding:14px 16px;display:flex;flex-direction:column;gap:12px;min-height:0;flex:1;overflow:hidden}
.msgs{flex:1;min-height:200px;overflow:auto;display:flex;flex-direction:column;gap:10px;padding-right:2px}
.msg{padding:10px 12px;border-radius:14px;max-width:94%;font-size:14px;line-height:1.5}
.msg p{margin:0 0 6px} .msg p:last-child{margin:0}
.msg ul{margin:4px 0 6px;padding-left:18px}
.msg.user{align-self:flex-end;background:rgba(34,211,238,.16);border:1px solid rgba(34,211,238,.35)}
.msg.assistant{align-self:flex-start;background:var(--panel2);border:1px solid var(--line)}
.ts{border:0;background:rgba(34,211,238,.2);color:#baf3ff;font-weight:700;border-radius:6px;padding:0 6px;font-size:12.5px}
.ts:hover{background:rgba(34,211,238,.35)}
.qp{display:flex;flex-wrap:wrap;gap:6px}
.chat-in{display:flex;gap:8px}
.drills{overflow:auto;display:grid;gap:10px}
.drill{border:1px solid var(--line);border-radius:14px;padding:12px;background:rgba(0,0,0,.2);display:grid;gap:6px}
.drill-h{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.drill ol{margin:4px 0 4px;padding-left:18px;font-size:13px;color:#cdd7e5}
.drill .meta{font-size:12.5px;color:var(--muted)}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:b 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes b{0%,80%,100%{opacity:.3}40%{opacity:1}}

/* reels */
.reel-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.story{display:grid;gap:10px}
.clip{display:grid;grid-template-columns:30px 120px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.2)}
.clip-n{font-weight:800;color:var(--muted);text-align:center}
.clip-thumb{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:linear-gradient(135deg,#0d1b2a,#12303a);display:grid;place-items:center;font-weight:700;font-size:13px}
.clip-thumb::before{content:"";position:absolute;width:18px;height:34px;border-radius:9px 9px 3px 3px;background:rgba(232,238,247,.75);top:34%}
.clip-thumb span{position:absolute;left:6px;bottom:4px;font-size:11px}
.ring{position:absolute;width:46px;height:46px;border-radius:50%;top:calc(34% - 6px);opacity:0}
.ring.on{opacity:1;border:2px solid var(--emerald);box-shadow:0 0 14px var(--emerald),inset 0 0 10px rgba(52,211,153,.5);animation:pulse 1.8s infinite}
@keyframes pulse{50%{transform:scale(1.12)}}
.clip-t{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.trim{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:6px}
.trim input{width:70px;padding:4px 6px;border-radius:8px;border:1px solid var(--line);background:rgba(0,0,0,.3)}
.clip-r{display:grid;gap:6px;justify-items:end}
.rating{font-weight:800;color:var(--emerald);font-size:13px}
.actions{display:flex;gap:4px}
.intro-card{padding:18px;border-radius:14px;background:linear-gradient(135deg,#0d1b2a,#0f2e33);border:1px solid rgba(34,211,238,.35);display:grid;gap:4px}
.intro-card .nm{font-size:22px;font-weight:800;letter-spacing:.02em}
.intro-card .ln{color:#bcd3e6;font-size:13.5px}
.progress{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.progress div{height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--emerald));transition:width .1s}
.quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.side-stack{display:grid;gap:16px}

/* responsive */
@media (max-width:1180px){
  .studio{grid-template-columns:1fr}
  .coach{position:static;max-height:none}
  .reel-layout{grid-template-columns:1fr}
}
@media (max-width:860px){
  .only-mobile{display:inline-grid}
  .collapse-btn{display:none}
  .sidebar{position:fixed;left:0;top:0;width:250px!important;transform:translateX(-100%);transition:transform .22s}
  .navopen .sidebar{transform:none}
  .collapsed .lbl{display:inline}
  .navopen .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:25}
  .topbar{padding:10px 14px}
  #view{padding:16px 14px}
  .uname{display:none}
  .page-head h2{font-size:22px}
  .clip{grid-template-columns:24px 1fr auto}
  .clip-thumb{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}