[hidden]{display:none!important}
:root{
  --bg:#05030a; --bg2:#0c0716; --panel:rgba(14,8,30,.88); --ink:#e8e4f4; --dim:#8a85a0; --faint:#2a2438;
  --vi:#a259ff; --vi2:#c79bff; --vid:#4a1d96; --gold:#e6b450; --chrome:#d7dbe0; --chrome2:#a8afb5;
  --line:rgba(215,219,224,.16); --viline:rgba(162,89,255,.5); --ok:#4dd9a0; --warn:#ffb347; --bad:#ff4d6d;
  --mono:'Share Tech Mono',ui-monospace,Consolas,monospace; --hd:'Rajdhani','Segoe UI',sans-serif;
  --toph:64px; --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--ink);font-family:var(--mono);font-size:13px;letter-spacing:.04em;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
body{overflow:hidden;position:fixed;inset:0;width:100%;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
button:disabled{opacity:.35;cursor:default}
a{color:var(--chrome);text-decoration:none}
:focus-visible{outline:2px solid var(--vi2);outline-offset:2px}
.ic{display:block;flex:none}
#stage{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;background:radial-gradient(ellipse at 50% 35%,#170b2e 0,#05030a 62%)}
.fx{position:fixed;inset:0;pointer-events:none;z-index:2}
.fx-vig{background:radial-gradient(ellipse at 50% 45%,transparent 55%,rgba(2,1,6,.75) 100%)}
.fx-scan{background:repeating-linear-gradient(0deg,rgba(162,89,255,.035) 0 1px,transparent 1px 3px);mix-blend-mode:screen;opacity:.7}
body[data-fx="lite"] .fx-scan{display:none}

.classbar{position:fixed;left:0;right:0;z-index:30;height:18px;display:flex;align-items:center;justify-content:center;gap:14px;font-size:10px;letter-spacing:.3em;color:#e6d9ff;background:linear-gradient(90deg,transparent,rgba(74,29,150,.5) 20%,rgba(74,29,150,.5) 80%,transparent);white-space:nowrap;overflow:hidden}
.classbar.top{top:0;border-bottom:1px solid var(--viline)}
.classbar.bottom{bottom:0;border-top:1px solid var(--viline);justify-content:flex-start;gap:0;letter-spacing:.14em;padding-bottom:var(--safe-b);height:calc(18px + var(--safe-b));align-items:flex-start;padding-top:2px}
.classbar i{width:5px;height:5px;background:var(--vi);box-shadow:0 0 6px var(--vi);transform:rotate(45deg);flex:none}
#last{flex:none;padding:0 12px;color:var(--gold);border-right:1px solid var(--viline);margin-right:12px;max-width:46vw;overflow:hidden;text-overflow:ellipsis}
.tick{flex:1;overflow:hidden;min-width:0}.tick-in{display:inline-block;white-space:nowrap;padding-left:100%;animation:tick 70s linear infinite;color:#bda8ea}
@keyframes tick{to{transform:translateX(-100%)}}

#top{position:fixed;top:18px;left:0;right:0;height:var(--toph);z-index:20;display:flex;align-items:center;gap:18px;padding:0 14px;background:linear-gradient(rgba(10,6,20,.92),rgba(8,5,16,.6) 80%,transparent);pointer-events:none}
#top>*{pointer-events:auto}
#brand{display:flex;align-items:center;gap:12px;color:inherit}
#brand .logo{height:46px;width:auto;filter:drop-shadow(0 0 10px rgba(162,89,255,.55))}
#brand h1{font:700 25px/1 var(--hd);letter-spacing:.26em;background:linear-gradient(180deg,#fff,#c9b8ee 60%,#8d7bb8);-webkit-background-clip:text;background-clip:text;color:transparent}
#brand p{margin-top:5px;font-size:9.5px;color:var(--vi2);letter-spacing:.22em;display:flex;align-items:center;gap:7px;white-space:nowrap}
.rec{width:6px;height:6px;border-radius:50%;background:var(--vi);box-shadow:0 0 8px var(--vi);animation:blink 1.8s infinite}
@keyframes blink{50%{opacity:.25}}
#linkchips{flex:1;display:flex;gap:8px;justify-content:center;align-items:center}
.chip{border:1px solid var(--line);padding:5px 10px;font-size:10px;letter-spacing:.2em;color:var(--dim);background:rgba(10,6,20,.6)}
.chip.ok{color:var(--ok);border-color:rgba(77,217,160,.45)}.chip.warn{color:var(--warn);border-color:rgba(255,179,71,.45)}.chip.vi{color:var(--vi2);border-color:var(--viline)}
.chip.air{color:#ffd0d8;border-color:rgba(255,77,109,.6);display:flex;align-items:center;gap:7px}.chip.air i,.air-dot{width:8px;height:8px;border-radius:50%;background:var(--bad);box-shadow:0 0 10px var(--bad);animation:blink 1.1s infinite}
#tools-top{display:flex;gap:6px}
.ibtn{width:38px;height:38px;border:1px solid var(--line);background:rgba(14,8,30,.6);color:var(--chrome);display:grid;place-items:center;transition:.15s}
.ibtn.sm{width:28px;height:28px}
.ibtn:hover:not(:disabled),.ibtn[aria-pressed="true"]{border-color:var(--vi);background:rgba(162,89,255,.2);color:#fff;box-shadow:0 0 14px rgba(162,89,255,.35)}
.hand-hover{border-color:var(--gold)!important;background:rgba(230,180,80,.22)!important;color:#fff!important;box-shadow:0 0 16px rgba(230,180,80,.45)!important}

/* landing / link box */
#linkbox{position:fixed;z-index:25;left:50%;bottom:calc(18px + var(--safe-b) + 24px);transform:translateX(-50%);width:min(560px,calc(100vw - 32px));padding:22px 24px 18px;text-align:center;background:var(--panel);border:1px solid var(--viline);box-shadow:0 0 40px rgba(162,89,255,.28),inset 0 0 30px rgba(74,29,150,.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
body[data-state="linked"] #linkbox,body[data-state="replay"] #linkbox{display:none}
#linkbox h2{font:700 22px/1 var(--hd);letter-spacing:.3em;color:#fff}
.lb-sub{margin:10px 0 16px;color:var(--chrome2);line-height:1.5}
button.big{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;font:700 18px/1 var(--hd);letter-spacing:.22em;color:#fff;background:linear-gradient(180deg,#8a3df0,#4a1d96);border:1px solid var(--vi2);box-shadow:0 0 26px rgba(162,89,255,.55);transition:.15s}
button.big:hover{box-shadow:0 0 40px rgba(162,89,255,.9);transform:translateY(-1px)}
button.big:disabled{opacity:.6;transform:none}
button.ghost{display:block;margin:12px auto 0;padding:7px 14px;font-size:11px;letter-spacing:.2em;color:var(--chrome2);border:1px solid var(--line)}
button.ghost:hover{border-color:var(--vi);color:#fff}
button.ghost.sm{display:inline-block;margin:0;padding:5px 10px;font-size:10px}
.lb-priv{margin-top:14px;font-size:11px;color:var(--dim);line-height:1.5;display:flex;gap:8px;text-align:left;align-items:flex-start}.lb-priv .ic{margin-top:1px;color:var(--ok)}
.lb-note{margin-top:10px;color:var(--warn);font-size:11px;line-height:1.5}
.lb-err{margin-top:10px;padding:10px;border:1px solid rgba(255,77,109,.5);background:rgba(255,77,109,.1);color:#ffc2cd;font-size:12px;line-height:1.5;text-align:left}

/* camera inset */
#inset{position:fixed;z-index:22;right:14px;bottom:calc(18px + var(--safe-b) + 14px);width:232px;background:var(--panel);border:1px solid var(--viline);box-shadow:0 0 24px rgba(162,89,255,.3)}
.inset-bar{display:flex;align-items:center;gap:8px;padding:5px 6px 5px 9px;font-size:10px;letter-spacing:.2em;border-bottom:1px solid var(--line)}
.inset-bar b{color:#ffd0d8;font-weight:400}.inset-bar #in-mode{flex:1;color:var(--dim);text-align:right;padding-right:4px}
.inset-view{position:relative;aspect-ratio:4/3;background:#07040f;overflow:hidden}
.inset-view video,.inset-view canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.inset-view video{opacity:.78;filter:saturate(.6) contrast(1.05) hue-rotate(10deg)}
#lat{transform:none}
#in-empty{position:absolute;inset:auto 0 8px;text-align:center;font-size:10px;letter-spacing:.25em;color:var(--vi2);animation:blink 1.6s infinite}
.inset-stats{display:flex;flex-wrap:wrap;gap:4px 12px;padding:6px 9px;font-size:10px;letter-spacing:.12em;color:var(--dim)}.inset-stats b{color:var(--ink);font-weight:400;margin-left:3px}.inset-stats small{opacity:.7;margin-left:1px}
.inset-stats .pose{margin-left:auto;color:var(--gold)}

/* toast, hints, menu */
#toast{position:fixed;z-index:26;left:50%;top:calc(18px + var(--toph) + 10px);transform:translateX(-50%);display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none}
.toast{padding:8px 16px;background:var(--panel);border:1px solid var(--gold);color:var(--gold);letter-spacing:.2em;font-size:12px;box-shadow:0 0 18px rgba(230,180,80,.3);animation:toast 2.6s forwards}
@keyframes toast{0%{opacity:0;transform:translateY(-8px)}10%,80%{opacity:1;transform:none}100%{opacity:0}}
#hint{position:fixed;z-index:21;left:14px;bottom:calc(18px + var(--safe-b) + 14px);font-size:10px;letter-spacing:.16em;color:var(--dim);line-height:1.8;pointer-events:none;max-width:44vw}
#hint b{color:var(--vi2);font-weight:400}
#menu{position:fixed;z-index:40;display:flex;flex-direction:column;gap:6px;padding:8px;background:var(--panel);border:1px solid var(--viline);box-shadow:0 0 30px rgba(162,89,255,.45)}
#menu button{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:12px;letter-spacing:.22em;border:1px solid var(--line);min-width:170px}
#menu button:hover{border-color:var(--vi)}

/* tutorial */
#tut{position:fixed;z-index:28;left:50%;bottom:calc(18px + var(--safe-b) + 22px);transform:translateX(-50%);width:min(520px,calc(100vw - 32px));padding:14px 18px;background:var(--panel);border:1px solid var(--viline);box-shadow:0 0 36px rgba(162,89,255,.35);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.tut-step{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.24em;color:var(--dim);margin-bottom:8px}#tut-det{color:var(--gold)}
.tut-main{display:flex;gap:14px;align-items:center}
.tut-ic{width:54px;height:54px;border:1px solid var(--viline);display:grid;place-items:center;color:var(--vi2);background:rgba(162,89,255,.12);flex:none}
.tut-main h3{font:700 22px/1 var(--hd);letter-spacing:.26em;color:#fff}.tut-main p{margin-top:6px;color:var(--chrome2);line-height:1.45;font-size:12px}
.tut-bar{height:3px;background:var(--faint);margin:12px 0 10px}.tut-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--vi),var(--gold));box-shadow:0 0 10px var(--vi);transition:width .15s}
#tut.done h3{color:var(--gold)}
#tut-target{position:fixed;z-index:27;width:84px;height:84px;margin:-42px 0 0 -42px;pointer-events:none}
#tut-target i{position:absolute;inset:0;border:2px dashed var(--gold);border-radius:50%;animation:spin 6s linear infinite;box-shadow:0 0 20px rgba(230,180,80,.5)}
#tut-target::after{content:"";position:absolute;inset:34px;border-radius:50%;background:var(--gold);box-shadow:0 0 14px var(--gold)}
@keyframes spin{to{transform:rotate(360deg)}}

/* errors */
#errbar{position:fixed;z-index:60;left:0;right:0;top:0;display:flex;gap:10px;align-items:center;padding:8px 12px;background:#5a0719;color:#ffd6de;border-bottom:2px solid var(--bad);font-size:12px}#errbar span{flex:1}#errbar button{padding:0 8px;font-size:16px}

/* info */
#info{position:fixed;inset:0;z-index:50;background:rgba(3,2,8,.78);display:grid;place-items:center;padding:14px}
.info-card{width:min(760px,100%);max-height:calc(100vh - 28px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--viline);box-shadow:0 0 50px rgba(162,89,255,.35)}
.info-head{display:flex;align-items:center;gap:14px;padding:10px 12px;border-bottom:1px solid var(--line)}
.info-head h2{font:700 20px/1 var(--hd);letter-spacing:.28em;color:#fff}
.tabs{flex:1;display:flex;gap:4px;flex-wrap:wrap}.tabs button{padding:5px 10px;font-size:10px;letter-spacing:.2em;border:1px solid var(--line);color:var(--dim)}.tabs button[aria-selected="true"]{color:#fff;border-color:var(--vi);background:rgba(162,89,255,.18)}
.info-body{padding:14px;overflow:auto;-webkit-overflow-scrolling:touch;font-size:12px;line-height:1.6;color:var(--chrome2)}
.info-body table{width:100%;border-collapse:collapse;margin:6px 0 12px}.info-body td,.info-body th{padding:6px 8px;border-bottom:1px solid var(--line2,rgba(215,219,224,.08));text-align:left;vertical-align:top}.info-body th{color:var(--gold);font-weight:400;letter-spacing:.16em;font-size:10px}
.info-body h4{font:700 15px/1 var(--hd);letter-spacing:.22em;color:#fff;margin:12px 0 4px}
.info-body a{border-bottom:1px dotted var(--chrome2)}
.info-body b{color:var(--vi2);font-weight:400}
#diag-pre{white-space:pre-wrap;word-break:break-word;color:var(--chrome);margin-bottom:10px}

/* boot */
#boot{position:fixed;inset:0;z-index:100;background:#030208;display:grid;place-items:center;transition:opacity .6s}
#boot.out{opacity:0;pointer-events:none}
.boot-in{text-align:center}.boot-logo{height:150px;width:auto;filter:drop-shadow(0 0 24px rgba(162,89,255,.7));animation:pulse 2.2s infinite}
@keyframes pulse{50%{filter:drop-shadow(0 0 40px rgba(162,89,255,1))}}
#boot-lines{margin:18px auto 0;text-align:left;width:min(420px,86vw);font-size:11px;letter-spacing:.16em;color:var(--vi2);min-height:150px;line-height:1.8}
#boot-lines .ok{color:var(--ok)}#boot-lines .w{color:var(--gold)}
.boot-hint{margin-top:10px;font:700 22px var(--hd);letter-spacing:.5em;color:#fff;padding-left:.5em}

/* phone */
@media (max-width:760px){
  #top{gap:8px;padding:0 10px}#brand h1{font-size:19px;letter-spacing:.2em}#brand p{display:none}#brand .logo{height:38px}
  #linkchips{display:none}.ibtn{width:34px;height:34px}
  #linkbox{padding:18px 16px 14px}#linkbox h2{font-size:18px}.lb-sub{font-size:12px;margin:8px 0 12px}button.big{font-size:15px;padding:12px 16px;letter-spacing:.14em;width:100%;justify-content:center}.lb-priv{font-size:10.5px}
  #inset{width:132px;right:8px;top:calc(18px + var(--toph) + 4px);bottom:auto}.inset-stats{display:none}.inset-bar{padding:3px 4px 3px 6px;font-size:9px;letter-spacing:.1em}.inset-bar #in-mode{display:none}.inset-bar b{flex:1}
  #hint{display:none}#tut{padding:10px 12px}.tut-main h3{font-size:18px}.tut-ic{width:42px;height:42px}
  .classbar{font-size:9px;letter-spacing:.14em}
}
@media (prefers-reduced-motion:reduce){.fx-scan{display:none}.tick-in{animation:none;padding-left:0}.rec,.air-dot,.chip.air i{animation:none}}