:root {
  --bg: #020914;
  --bg-2: #06162c;
  --surface: rgba(8, 24, 46, 0.82);
  --surface-2: rgba(12, 34, 62, 0.88);
  --border: rgba(151, 183, 222, 0.16);
  --border-strong: rgba(151, 183, 222, 0.28);
  --text: #f5f8fc;
  --muted: #9cb1c9;
  --yellow: #f7dc16;
  --yellow-2: #d7b71b;
  --blue: #16488f;
  --danger: #ff6b6b;
  --success: #6ee7a8;
  --radius-lg: 26px;
  --radius-md: 18px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100dvh;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--text);
  background:
    radial-gradient(circle at 18% -10%, rgba(22, 72, 143, 0.35), transparent 31rem),
    radial-gradient(circle at 85% 22%, rgba(247, 220, 22, 0.06), transparent 24rem),
    linear-gradient(140deg, #020914 0%, #061327 48%, #020914 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, .stage:focus-visible { outline: 3px solid rgba(247, 220, 22, 0.5); outline-offset: 3px; }

.page-shell {
  width: min(1220px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.brand-dot {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 6px rgba(247, 220, 22, 0.08), 0 0 22px rgba(247, 220, 22, 0.45);
}
.brand strong { display: block; font-size: 1rem; line-height: 1.15; }
.brand small { display: block; margin-top: 2px; color: #a8c2df; font-size: .76rem; }
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(8, 28, 53, .66);
  color: #c6d9ed;
  font-size: .76rem;
  white-space: nowrap;
  backdrop-filter: blur(14px);
}
.privacy-badge svg { width: 16px; height: 16px; fill: var(--yellow); }

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 470px) minmax(380px, 1fr);
  gap: 22px;
  align-items: stretch;
}
.preview-card, .controls-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(9, 26, 48, .9), rgba(3, 13, 28, .88));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.preview-card { padding: 16px; }
.controls-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 34px);
}
.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
h1, h2, p { margin-top: 0; }
.card-heading h1 { margin-bottom: 3px; font-size: .98rem; }
.card-heading p { margin-bottom: 0; color: var(--muted); font-size: .76rem; }
.zoom-value {
  display: inline-grid;
  place-items: center;
  min-width: 62px;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  color: #e8f0f8;
  font-size: .78rem;
  font-weight: 700;
}
.stage-wrap { display: grid; place-items: center; min-height: 0; }
.stage {
  position: relative;
  width: auto;
  height: min(72dvh, 720px);
  max-width: 100%;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  background: #000;
  box-shadow: 0 22px 55px rgba(0, 0, 0, .46), inset 0 0 0 1px rgba(255,255,255,.03);
  touch-action: none;
  user-select: none;
}
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.035), transparent 18%, transparent 80%, rgba(0,0,0,.09));
}
.empty-state, #cameraVideo, #previewCanvas, .live-frame, .camera-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.empty-state {
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(22,72,143,.14), transparent 11rem),
    linear-gradient(180deg, #010307, #000);
}
.empty-state h2 { margin: 12px 0 5px; font-size: clamp(1.14rem, 3vw, 1.45rem); }
.empty-state p { margin: 0; color: #9dacbd; font-size: .78rem; }
.avatar-guide { position: relative; width: 116px; height: 150px; opacity: .72; }
.avatar-guide::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px dashed rgba(255,255,255,.42);
  border-radius: 58px 58px 48px 48px;
}
.avatar-head { position: absolute; top: 26px; left: 42px; width: 32px; height: 38px; border: 2px solid rgba(255,255,255,.45); border-radius: 50%; }
.avatar-body { position: absolute; left: 28px; bottom: 24px; width: 60px; height: 50px; border: 2px solid rgba(255,255,255,.45); border-bottom: 0; border-radius: 50px 50px 0 0; }
#cameraVideo { z-index: 1; display: none; object-fit: contain; background: #000; transform-origin: center; }
#previewCanvas { z-index: 3; display: none; object-fit: contain; background: #000; cursor: grab; }
#previewCanvas.is-dragging { cursor: grabbing; }
.live-frame { z-index: 5; display: none; object-fit: fill; pointer-events: none; }
.camera-grid {
  z-index: 6;
  display: none;
  pointer-events: none;
  opacity: .28;
  background-image:
    linear-gradient(to right, transparent 33.2%, rgba(255,255,255,.48) 33.3%, rgba(255,255,255,.48) 33.6%, transparent 33.7%, transparent 66.3%, rgba(255,255,255,.48) 66.4%, rgba(255,255,255,.48) 66.7%, transparent 66.8%),
    linear-gradient(to bottom, transparent 33.2%, rgba(255,255,255,.48) 33.3%, rgba(255,255,255,.48) 33.6%, transparent 33.7%, transparent 66.3%, rgba(255,255,255,.48) 66.4%, rgba(255,255,255,.48) 66.7%, transparent 66.8%);
}
.stage-tip { margin: 10px 0 0; color: #8198b2; font-size: .68rem; text-align: center; }

.controls-intro { margin-bottom: 22px; }
.eyebrow { display: block; margin-bottom: 8px; color: var(--yellow); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.controls-intro h2 { max-width: 600px; margin-bottom: 9px; font-size: clamp(1.45rem, 2.8vw, 2.25rem); line-height: 1.08; letter-spacing: -.035em; }
.controls-intro p { max-width: 580px; margin-bottom: 0; color: var(--muted); font-size: .94rem; line-height: 1.58; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-bottom: 22px; }
.step {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
  opacity: .58;
  transition: opacity .2s ease, border-color .2s ease, background .2s ease;
}
.step > span { display: grid; place-items: center; width: 26px; height: 26px; flex: 0 0 auto; border-radius: 50%; background: rgba(255,255,255,.08); color: #d9e5f1; font-size: .72rem; font-weight: 800; }
.step strong, .step small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step strong { font-size: .76rem; }
.step small { margin-top: 2px; color: var(--muted); font-size: .62rem; }
.step.is-active { opacity: 1; border-color: rgba(247,220,22,.35); background: rgba(247,220,22,.055); }
.step.is-active > span { background: var(--yellow); color: #08111e; }

.panel { display: grid; gap: 12px; }
.panel.is-hidden { display: none; }
.button-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.button-grid.compact { margin-top: -2px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border: 1px solid transparent;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.1;
  transition: transform .16s ease, filter .16s ease, border-color .16s ease, background .16s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.04); }
.btn:active { transform: translateY(0) scale(.99); }
.btn svg { width: 20px; height: 20px; flex: 0 0 auto; fill: currentColor; }
.btn-primary { background: linear-gradient(135deg, #f9e32a, #d9b817); color: #101419; box-shadow: 0 12px 30px rgba(247,220,22,.14); }
.btn-secondary { border-color: var(--border-strong); background: rgba(255,255,255,.055); color: #eef5fc; }
.btn-ghost { min-height: 44px; border-color: transparent; background: transparent; color: #a9bed3; }
.btn-ghost:hover { background: rgba(255,255,255,.045); color: #fff; }
.control-group { padding: 14px; border: 1px solid var(--border); border-radius: 16px; background: rgba(255,255,255,.025); }
.control-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; font-size: .8rem; font-weight: 700; }
.control-label output { color: var(--yellow); }
input[type="range"] { width: 100%; accent-color: var(--yellow); cursor: pointer; }
.drag-help { display: flex; align-items: center; gap: 8px; margin: 0; color: #9cb1c9; font-size: .75rem; }
.drag-help svg { width: 17px; height: 17px; fill: var(--yellow); }
.status { min-height: 22px; margin-top: 12px; color: var(--muted); font-size: .75rem; line-height: 1.45; }
.status.is-error { color: var(--danger); }
.status.is-success { color: var(--success); }
.quality-note { display: flex; align-items: flex-start; gap: 10px; margin-top: auto; padding-top: 22px; color: #88a1ba; }
.quality-note svg { width: 20px; height: 20px; flex: 0 0 auto; fill: var(--yellow); }
.quality-note strong, .quality-note span { display: block; }
.quality-note strong { margin-bottom: 3px; color: #c9d9e8; font-size: .75rem; }
.quality-note span { font-size: .66rem; line-height: 1.4; }
.footer { padding: 14px 4px 0; color: #6e839a; font-size: .65rem; text-align: center; }

@media (max-width: 920px) {
  .page-shell { width: min(720px, 100%); }
  .workspace { grid-template-columns: 1fr; }
  .preview-card { order: 1; }
  .controls-card { order: 2; }
  .stage { height: min(64dvh, 650px); }
  .controls-card { min-height: auto; }
  .quality-note { margin-top: 14px; }
}

@media (max-width: 620px) {
  .page-shell {
    padding:
      max(12px, env(safe-area-inset-top))
      max(12px, env(safe-area-inset-right))
      max(14px, env(safe-area-inset-bottom))
      max(12px, env(safe-area-inset-left));
  }
  .topbar { margin-bottom: 12px; }
  .privacy-badge span { display: none; }
  .privacy-badge { width: 36px; padding: 8px; justify-content: center; }
  .workspace { gap: 12px; }
  .preview-card, .controls-card { border-radius: 20px; }
  .preview-card { padding: 12px; }
  .stage { height: clamp(350px, 58dvh, 560px); border-radius: 18px; }
  .controls-card { padding: 20px 16px; }
  .controls-intro { margin-bottom: 17px; }
  .controls-intro h2 { font-size: 1.48rem; }
  .controls-intro p { font-size: .83rem; }
  .steps { margin-bottom: 17px; }
  .step { justify-content: center; padding: 8px 5px; }
  .step div { display: none; }
  .button-grid { grid-template-columns: 1fr; }
  .button-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer { padding-top: 10px; }
}

@media (max-height: 740px) and (min-width: 921px) {
  .page-shell { padding-top: 12px; padding-bottom: 12px; }
  .topbar { margin-bottom: 10px; }
  .stage { height: calc(100dvh - 150px); min-height: 470px; }
  .controls-card { padding-top: 22px; padding-bottom: 22px; }
  .controls-intro { margin-bottom: 14px; }
  .controls-intro h2 { font-size: 1.65rem; }
  .steps { margin-bottom: 14px; }
  .quality-note { padding-top: 12px; }
  .footer { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}