@font-face {
  font-family:"Sharp Sans Display";
  src:url("/assets/fonts/sharp-sans-display-medium.woff") format("woff");
  font-weight:500;font-style:normal;font-display:swap;
}
@font-face {
  font-family:"Sharp Sans Display";
  src:url("/assets/fonts/sharp-sans-display-bold.woff") format("woff");
  font-weight:700;font-style:normal;font-display:swap;
}
@font-face {
  font-family:"Sharp Sans Display Book";
  src:url("/assets/fonts/sharp-sans-display-book.woff") format("woff");
  font-weight:400;font-style:normal;font-display:swap;
}

:root{
  --ink:#0b2635;
  --ink-soft:#4c6472;
  --ink-faint:#6b8491;
  --surface:#ffffff;
  --surface-sunken:#f2f6f8;
  --surface-raised:#ffffff;
  --line:#dde6ea;
  --line-strong:#c7d4da;
  --accent:#00a3e0;
  --accent-deep:#007fb5;
  --accent-tint:#e3f5fc;
  --ok:#1f8f55;
  --ok-tint:#e4f5ec;
  --warn:#a9680a;
  --warn-tint:#fdf1dc;
  --danger:#a3352b;
  --danger-tint:#fbeceb;
  --shadow:0 20px 50px -20px rgba(6,32,48,0.28);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --font-display:"Sharp Sans Display", "Segoe UI", Arial, sans-serif;
  --font-display-book:"Sharp Sans Display Book", "Segoe UI", Arial, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#eaf2f6;
    --ink-soft:#a9c0cb;
    --ink-faint:#8aa3af;
    --surface:#0f2733;
    --surface-sunken:#0a1c26;
    --surface-raised:#132e3b;
    --line:#1f3e4b;
    --line-strong:#2b4e5c;
    --accent:#3ec2f2;
    --accent-deep:#7fdcff;
    --accent-tint:#123544;
    --ok:#5fd49a;
    --ok-tint:#12342a;
    --warn:#f0b95c;
    --warn-tint:#33280f;
    --danger:#f4867a;
    --danger-tint:#3a1c1c;
    --shadow:0 20px 60px -20px rgba(0,0,0,0.6);
  }
}
:root[data-theme="dark"]{
  --ink:#eaf2f6;
  --ink-soft:#a9c0cb;
  --ink-faint:#8aa3af;
  --surface:#0f2733;
  --surface-sunken:#0a1c26;
  --surface-raised:#132e3b;
  --line:#1f3e4b;
  --line-strong:#2b4e5c;
  --accent:#3ec2f2;
  --accent-deep:#7fdcff;
  --accent-tint:#123544;
  --ok:#5fd49a;
  --ok-tint:#12342a;
  --warn:#f0b95c;
  --warn-tint:#33280f;
  --danger:#f4867a;
  --danger-tint:#3a1c1c;
  --shadow:0 20px 60px -20px rgba(0,0,0,0.6);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--surface-sunken);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:500;
  line-height:1.4;
}
button,select{font:inherit;color:inherit;}
[hidden]{display:none !important;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.sr-only{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- Header ---------- */
.shell{width:min(1480px, 100% - 32px);margin-inline:auto;}
.chv-header{
  background:var(--accent) url("/assets/img/header.jpg");
  background-size:cover;
  background-position:center;
  border-bottom:3px solid #fff;
  padding:20px 0;
}
.chv-header-inner{display:flex;align-items:center;}
.chv-brand{display:flex;align-items:center;}
.chv-logo{width:92px;height:auto;display:block;}

/* ---------- Layout ---------- */
.page{width:min(1480px, 100% - 32px);margin:24px auto 60px;}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 360px;
  gap:20px;
  align-items:start;
}
@media (max-width:900px){
  .layout{grid-template-columns:minmax(0,1fr);}
  .page{margin-top:16px;}
}

.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;
  border:1.5px solid var(--line-strong);
  border-radius:var(--radius-md);
  background:var(--surface);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background .15s, border-color .15s, transform .05s;
}
.btn:hover{border-color:var(--accent);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn:disabled:hover{border-color:var(--line-strong);}
.btn-primary{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);}
:root[data-theme="dark"] .btn-primary{color:#05212e;}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn-primary{color:#05212e;} }
.btn-done{background:var(--ok);border-color:var(--ok);color:#fff;}
.btn-done:hover{background:var(--ok);border-color:var(--ok);filter:brightness(1.08);}
:root[data-theme="dark"] .btn-done{color:#05241a;}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn-done{color:#05241a;} }
.btn-quiet{min-height:38px;padding:0 14px;font-size:14px;}
.btn svg{width:20px;height:20px;flex:none;}

/* ---------- Gate (before the camera is on) ---------- */
.gate{padding:36px 32px;text-align:center;}
.gate-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:var(--accent-tint);color:var(--accent-deep);
}
.gate-icon svg{width:30px;height:30px;}
.gate h2{margin:0 0 10px;font-size:26px;line-height:1.15;}
.gate p{
  margin:0 auto 12px;max-width:46ch;color:var(--ink-soft);
  font-family:var(--font-display-book);font-size:16px;line-height:1.5;
}
.gate .btn{margin-top:10px;min-height:52px;padding:0 32px;font-size:17px;}
.privacy{
  display:flex;gap:10px;align-items:flex-start;text-align:left;
  max-width:46ch;margin:22px auto 0;padding:12px 14px;
  background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius-md);
  font-family:var(--font-display-book);font-size:14px;color:var(--ink-soft);
}
.privacy svg{width:20px;height:20px;flex:none;margin-top:1px;color:var(--ok);}
.notice{
  max-width:46ch;margin:18px auto 0;padding:12px 14px;text-align:left;
  border-radius:var(--radius-md);font-family:var(--font-display-book);font-size:14.5px;line-height:1.45;
}
.notice strong{font-family:var(--font-display);}
.notice-error{background:var(--danger-tint);color:var(--danger);border:1px solid color-mix(in srgb, var(--danger) 35%, transparent);}
.notice-info{background:var(--warn-tint);color:var(--warn);border:1px solid color-mix(in srgb, var(--warn) 35%, transparent);}

/* ---------- Stage (live preview) ---------- */
.stage-col{min-width:0;}
.stage-frame{background:#05121a;border-radius:var(--radius-lg);padding:12px;box-shadow:var(--shadow);}
.stage{
  --ar:1.7778;
  --maxh:max(320px, calc(100vh - 210px));
  position:relative;
  aspect-ratio:var(--ar);
  width:min(100%, calc(var(--maxh) * var(--ar)));
  margin-inline:auto;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:#0a1c26;
  container-type:inline-size;
}
@supports (height:1dvh){
  .stage{--maxh:max(320px, calc(100dvh - 210px));}
}
@media (max-width:900px){
  .stage{--maxh:72vh;}
  @supports (height:1dvh){ .stage{--maxh:72dvh;} }
}
.stage video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
}
.stage video.mirror{transform:scaleX(-1);}
.overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;}
.overlay .grid-line{stroke:#fff;stroke-opacity:.38;stroke-width:1;vector-effect:non-scaling-stroke;}
.overlay .grid-line.eyes{stroke:#3ec2f2;stroke-opacity:.95;stroke-width:2;}
.overlay .face{
  fill:none;stroke:#fff;stroke-opacity:.8;stroke-width:2;stroke-dasharray:6 6;
  vector-effect:non-scaling-stroke;
}
.overlay{filter:drop-shadow(0 0 1.5px rgba(0,0,0,.65));}
.eye-label{
  position:absolute;left:10px;top:33.333%;transform:translateY(-130%);
  padding:2px 8px;border-radius:99px;background:#3ec2f2;color:#042333;
  font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;pointer-events:none;
}

.badge{
  position:absolute;top:12px;left:12px;max-width:calc(100% - 110px);
  display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:99px;
  background:rgba(5,18,26,.62);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.badge i{width:8px;height:8px;border-radius:50%;background:#3ec2f2;flex:none;animation:pulse 2s ease-in-out infinite;}
@keyframes pulse{50%{opacity:.35;}}

.overlay-controls{position:absolute;top:10px;right:10px;display:flex;gap:8px;}
.icon-toggle{
  width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;
  background:rgba(5,18,26,.55);color:#e7f1f6;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:background .15s;
}
.icon-toggle:hover{background:rgba(5,18,26,.8);}
.icon-toggle[aria-pressed="true"]{background:#007fb5;color:#fff;}
.icon-toggle svg{width:22px;height:22px;}

/* Narrow video (phones in portrait): stack the toggles so the badge has room. */
@container (max-width: 440px){
  .overlay-controls{flex-direction:column;}
  .badge{max-width:calc(100% - 72px);font-size:10.5px;padding:6px 10px;line-height:1.25;}
  .icon-toggle{width:42px;height:42px;}
  .light-chip{font-size:12.5px;padding:6px 12px;}
}

.light-chip{
  position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);
  display:flex;align-items:center;gap:8px;padding:7px 14px;border-radius:99px;
  background:rgba(5,18,26,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  color:#fff;font-size:13.5px;font-weight:700;
}
.light-chip i{width:10px;height:10px;border-radius:50%;flex:none;background:#8aa3af;}
.light-chip[data-tone="ok"] i{background:#5fd49a;}
.light-chip[data-tone="warn"] i{background:#f0b95c;}
.light-chip[data-tone="bad"] i{background:#f4867a;}

.stage-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:12px 4px 2px;color:#cfe0e8;font-size:13.5px;
}
.stage-bar .btn{background:transparent;border-color:#2b4e5c;color:#e7f1f6;}
.stage-bar .btn:hover{border-color:#3ec2f2;}
.stage-bar label{display:flex;align-items:center;gap:8px;min-width:0;}
.stage-bar select{
  min-height:38px;max-width:260px;padding:0 10px;border-radius:var(--radius-sm);
  background:#0f2733;color:#e7f1f6;border:1.5px solid #2b4e5c;
}

/* ---------- Microphone meter ---------- */
.mic{margin-top:16px;padding:18px 20px;}
.mic-head{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.mic-head > div{flex:1 1 260px;min-width:0;}
.mic h2{margin:0 0 4px;font-size:18px;line-height:1.2;}
.mic-head p{margin:0;color:var(--ink-soft);font-family:var(--font-display-book);font-size:14.5px;line-height:1.45;}
.mic-head p strong{font-family:var(--font-display);color:var(--ink);}
.mic-head .btn{min-height:44px;flex:none;}
.mic-live{margin-top:16px;}
.mic-status{
  display:flex;align-items:center;gap:10px;margin-bottom:12px;
  font-size:17px;font-weight:700;line-height:1.3;
}
.mic-status i{width:12px;height:12px;border-radius:50%;flex:none;background:var(--ink-faint);}
.mic-status[data-tone="ok"]{color:var(--ok);}
.mic-status[data-tone="ok"] i{background:var(--ok);}
.mic-status[data-tone="warn"]{color:var(--warn);}
.mic-status[data-tone="warn"] i{background:var(--warn);}
.mic-status[data-tone="bad"]{color:var(--danger);}
.mic-status[data-tone="bad"] i{background:var(--danger);}

/* Scale runs -48 dBFS to 0: too quiet 50%, good 37.5%, too loud 12.5%. */
.meter{
  position:relative;height:30px;border-radius:99px;overflow:hidden;
  background:var(--surface-sunken);border:1px solid var(--line-strong);
}
.meter-zones{position:absolute;inset:0;display:flex;}
.meter-zones span{display:block;height:100%;}
.z-quiet{flex:0 0 50%;background:color-mix(in srgb, var(--ink-faint) 16%, transparent);}
.z-good{flex:0 0 37.5%;background:color-mix(in srgb, var(--ok) 24%, transparent);border-left:2px solid var(--surface);border-right:2px solid var(--surface);}
.z-loud{flex:1;background:color-mix(in srgb, var(--danger) 26%, transparent);}
.meter-fill{
  position:absolute;left:0;top:5px;bottom:5px;width:0;border-radius:99px;
  background:var(--ink-faint);
}
.meter[data-tone="ok"] .meter-fill{background:var(--ok);}
.meter[data-tone="warn"] .meter-fill{background:var(--warn);}
.meter[data-tone="bad"] .meter-fill{background:var(--danger);}
.meter-peak{
  position:absolute;top:3px;bottom:3px;left:0;width:3px;margin-left:-1px;border-radius:2px;
  background:var(--ink);opacity:0;
}
.meter-scale{display:flex;margin-top:6px;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint);}
.meter-scale span{display:block;}
.s-quiet{flex:0 0 50%;}
.s-good{flex:0 0 37.5%;text-align:center;}
.s-loud{flex:1;text-align:right;}
.mic-picker{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;color:var(--ink-soft);}
.mic-picker select{
  min-height:38px;min-width:0;max-width:100%;flex:1;padding:0 10px;border-radius:var(--radius-sm);
  background:var(--surface);color:var(--ink);border:1.5px solid var(--line-strong);
}
.mic .notice{max-width:none;margin:14px 0 0;}
.mic-guide{
  margin:16px 0 0;padding:12px 14px;border-radius:var(--radius-md);
  background:var(--surface-sunken);border:1px solid var(--line);
  color:var(--ink-soft);font-family:var(--font-display-book);font-size:14px;line-height:1.5;
}
.mic-guide strong{font-family:var(--font-display);color:var(--ink);}
.mic.is-focus{box-shadow:0 0 0 3px var(--accent), var(--shadow);}

/* ---------- Guide panel ---------- */
.guide{display:flex;flex-direction:column;}
.guide-head{padding:22px 24px 18px;border-bottom:1px solid var(--line);}
.guide-head h1{margin:0;font-size:24px;line-height:1.15;display:flex;align-items:center;gap:10px;}
.guide-head h1 svg{width:30px;height:30px;color:var(--accent-deep);flex:none;}
.guide-head p{margin:6px 0 0;color:var(--ink-soft);font-family:var(--font-display-book);font-size:15px;}

.guide-body{padding:20px 24px;}
.progress{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;color:var(--ink-soft);font-size:14px;}
.dots{display:flex;gap:2px;}
.dot{
  /* big invisible hit area, small visible bar */
  position:relative;width:34px;height:28px;border:0;background:none;cursor:pointer;padding:0;
}
.dot::after{
  content:"";position:absolute;left:3px;right:3px;top:50%;height:6px;margin-top:-3px;
  border-radius:99px;background:var(--line-strong);transition:background .2s;
}
.dot.reached::after{background:var(--accent);}
.dot[aria-current="step"]::after{background:var(--accent-deep);height:8px;margin-top:-4px;}

.step-card{
  background:var(--surface-sunken);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;animation:fadeIn .3s ease-out;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(5px);}to{opacity:1;transform:none;}}
.step-title{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.step-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--accent-tint);color:var(--accent-deep);
}
.step-icon svg{width:24px;height:24px;}
.step-title h2{margin:0;font-size:21px;line-height:1.2;}
.step-desc{margin:0 0 18px;color:var(--ink-soft);font-family:var(--font-display-book);font-size:16px;line-height:1.5;}
.checklist-label{
  margin:0 0 10px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);
}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:4px;}
.check{
  display:flex;gap:12px;align-items:flex-start;padding:10px 8px;margin:0 -8px;
  border-radius:var(--radius-sm);cursor:pointer;
  font-family:var(--font-display-book);font-size:15.5px;line-height:1.4;
}
.check:hover{background:color-mix(in srgb, var(--accent) 8%, transparent);}
.check input{position:absolute;opacity:0;width:1px;height:1px;}
.check .box{
  flex:none;width:24px;height:24px;margin-top:0;border-radius:7px;
  border:2px solid var(--line-strong);background:var(--surface);
  display:grid;place-items:center;transition:background .15s,border-color .15s;
}
.check .box svg{width:15px;height:15px;color:#fff;opacity:0;transform:scale(.6);transition:opacity .15s, transform .15s;}
.check input:checked + .box{background:var(--ok);border-color:var(--ok);}
.check input:checked + .box svg{opacity:1;transform:none;}
.check input:focus-visible + .box{outline:3px solid var(--accent);outline-offset:2px;}
.check input:checked ~ .txt{color:var(--ink-soft);}

.guide-action{
  margin:18px 0 0;padding:14px 16px;border-radius:var(--radius-md);
  background:var(--accent-tint);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  color:var(--accent-deep);font-size:15px;font-style:italic;line-height:1.45;
}

.summary{
  margin:18px 0 0;padding:14px 16px;border-radius:var(--radius-md);
  border:1px solid var(--line-strong);background:var(--surface);font-size:15px;
}
.summary.all{border-color:var(--ok);background:var(--ok-tint);}
.summary strong{display:block;margin-bottom:2px;font-size:16px;}
.summary p{margin:0;color:var(--ink-soft);font-family:var(--font-display-book);}
.summary ul{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.summary li button{
  min-height:34px;padding:0 12px;border-radius:99px;border:1.5px solid var(--line-strong);
  background:var(--surface);cursor:pointer;font-size:13.5px;font-weight:700;
}
.summary li button:hover{border-color:var(--accent);}

.guide-foot{padding:16px 24px 22px;border-top:1px solid var(--line);}
.guide-foot .row{display:flex;gap:12px;}
.guide-foot .btn-primary,.guide-foot .btn-done{flex:1;}
.print-link{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;font:500 14px/1.2 var(--font-display);color:var(--accent-deep);text-decoration:none;padding:6px;border-radius:var(--radius-sm);}
.print-link svg{width:16px;height:16px;flex:none;}
.print-link:hover{text-decoration:underline;}
.print-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

@media (max-width:520px){
  .gate{padding:28px 18px;}
  .guide-head,.guide-body,.guide-foot{padding-left:18px;padding-right:18px;}
  .step-card{padding:16px;}
  .stage-frame{padding:8px;}
  .mic{padding:16px 16px;}
  .mic-head .btn{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}