/* AR Spatially: съёмка человека. Хай-тек: тёмный фон с тонкой сеткой, белый неон, тонкий Exo 2,
   поверх камеры: стеклянные карточки. Охват: кольцом и цветом, без чисел. */
:root {
  --line: #eefbff;
  --soft: rgba(238, 251, 255, 0.66);
  --dim: rgba(238, 251, 255, 0.32);
  --faint: rgba(238, 251, 255, 0.14);
  --bg: #020508;
  --warn: #ffc861;
  --bad: #ff7a6b;
  --ok: #6dffa8;
  --glow: 0 0 18px rgba(238, 251, 255, 0.35);
  --font: 'Exo 2', system-ui, -apple-system, sans-serif;  /* латиница и кириллица */
  --top: env(safe-area-inset-top, 0px);
  --bottom: env(safe-area-inset-bottom, 0px);
  color-scheme: dark;
}

[hidden] { display: none !important; }

/* письменности: арабский, деванагари, китайский: Noto Sans с тонкими начертаниями (грузятся для своего языка);
   разрядка букв ломает арабскую вязь и лигатуры деванагари, поэтому у них её нет */
:root[lang="ar"] { --font: 'Noto Sans Arabic', 'Exo 2', system-ui, sans-serif; }
:root[lang="hi"] { --font: 'Noto Sans Devanagari', 'Exo 2', system-ui, sans-serif; }
:root[lang="zh"] { --font: 'Exo 2', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; }
:root[lang="ar"] body *, :root[lang="hi"] body * { letter-spacing: 0 !important; }
:root[lang="zh"] body * { letter-spacing: 0.02em !important; }
:root[lang="zh"] .plan li, :root[lang="zh"] h1 { word-break: keep-all; }  /* «厘米» не рвётся посередине */
:root[lang="ar"] h1, :root[lang="ar"] h2.title, :root[lang="hi"] h1, :root[lang="hi"] h2.title, :root[lang="zh"] h1 { font-weight: 300; line-height: 1.25; }
/* знак и словесный знак компании не зеркалятся; номер записи и адрес сервера всегда слева направо */
.logo { direction: ltr; }
.scan-id, #server { direction: ltr; unicode-bidi: isolate; }
* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--line);
  font-family: var(--font);
  font-weight: 300;
  letter-spacing: 0.03em;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}
body.live { overflow: hidden; height: 100%; -webkit-user-select: none; user-select: none; touch-action: manipulation; }

/* ---------- шапка ---------- */
#top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--top) + 14px) 20px 12px;
  background: linear-gradient(to bottom, rgba(2, 5, 8, 0.92), rgba(2, 5, 8, 0));
}
body.live #top { display: none; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 30px; height: 30px; filter: drop-shadow(0 0 6px rgba(238, 251, 255, 0.55)); }
.logo-word { height: 17px; width: auto; filter: drop-shadow(0 0 5px rgba(238, 251, 255, 0.4)); }
.logo.small .logo-mark { width: 20px; height: 20px; }
.logo.small .logo-word { height: 11px; }
.langs { position: relative; }
.lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 52px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--faint);
  border-radius: 20px;
  background: rgba(238, 251, 255, 0.04);
  color: var(--soft);
  font: 300 14px/1 var(--font);
  letter-spacing: 0.1em;
  cursor: pointer;
}
.flag { width: 21px; height: 15px; flex: none; border-radius: 2px; }
.lang-list {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 8px);
  min-width: 190px;
  margin: 0;
  padding: 6px;
  list-style: none;
  z-index: 25;
}
.lang-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--soft);
  font-size: 16px;
  cursor: pointer;
}
.lang-list li[aria-selected="true"] { color: var(--line); background: rgba(238, 251, 255, 0.08); }
.lang-list li:focus-visible { outline: 1px solid var(--line); }
.lang-list li span[lang="ar"] { font-family: 'Noto Sans Arabic', system-ui, sans-serif; }
.lang-list li span[lang="hi"] { font-family: 'Noto Sans Devanagari', system-ui, sans-serif; }
.lang-list li span[lang="zh"] { font-family: 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif; }

/* ---------- экраны ---------- */
.screen {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  padding: calc(var(--top) + 84px) 24px calc(var(--bottom) + 32px);
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(120, 200, 255, 0.07), transparent 60%),
    repeating-linear-gradient(0deg, rgba(238, 251, 255, 0.045) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(238, 251, 255, 0.045) 0 1px, transparent 1px 44px),
    var(--bg);
}
.screen > * { max-width: 460px; width: 100%; margin-inline: auto; }
.screen.center { justify-content: center; text-align: center; }
.screen.center p { margin-inline: auto; }

h1 { margin: 0; font-size: clamp(36px, 10vw, 46px); line-height: 1.04; font-weight: 200; letter-spacing: 0.01em; text-wrap: balance; }
h2 { margin: 0; font-size: 21px; font-weight: 300; letter-spacing: 0.06em; text-wrap: balance; }
h2.title { font-size: 32px; font-weight: 200; letter-spacing: 0.02em; }
p { margin: 0; font-size: 16px; line-height: 1.5; color: var(--soft); text-wrap: pretty; }
.sub { font-size: 15px; color: var(--dim); }
.note { color: #ffdcb8; font-size: 15px; }
.note:empty { display: none; }
.tips { font-size: 14px; color: var(--dim); text-align: center; letter-spacing: 0.08em; }

/* три шага на схемах, подписи в 2-4 слова */
.plan { list-style: none; margin: 18px 0 6px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.plan li { display: grid; justify-items: center; gap: 12px; text-align: center; font-size: 15px; line-height: 1.3; letter-spacing: 0.04em; color: var(--soft); }
.art { width: 96px; height: 77px; overflow: visible; }
.plan .art { width: min(26vw, 110px); height: auto; aspect-ratio: 120 / 96; }
.art.big { width: 150px; height: 120px; margin-bottom: 8px; }
.art .fig, .art .phone, .art .phone-big { fill: none; stroke: var(--line); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 3px rgba(238, 251, 255, 0.6)); }
.art .orbit { fill: none; stroke: var(--dim); stroke-width: 1; stroke-dasharray: 2 4; }
.art .orbit-go { fill: none; stroke: var(--line); stroke-width: 1.6; stroke-linecap: round; filter: drop-shadow(0 0 4px rgba(238, 251, 255, 0.8)); }
.art .arrow { fill: none; stroke: var(--line); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.art .art-note { fill: var(--dim); font: 300 10px var(--font); letter-spacing: 0.04em; text-anchor: middle; }
.mini-ring path { fill: none; stroke-width: 5; stroke-linecap: butt; }
.mini-ring .full { stroke: var(--line); filter: drop-shadow(0 0 3px rgba(238, 251, 255, 0.8)); }
.mini-ring .part { stroke: var(--warn); }
.mini-ring .empty { stroke: var(--faint); }

/* кнопки: крупные, тонкая неоновая рамка */
button.line, a.line {
  display: block;
  width: 100%;
  min-height: 58px;
  padding: 18px 22px;
  border: 1px solid rgba(238, 251, 255, 0.6);
  border-radius: 3px;
  background: rgba(238, 251, 255, 0.05);
  color: var(--line);
  font: 300 18px/1.1 var(--font);
  letter-spacing: 0.14em;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 0 26px rgba(238, 251, 255, 0.14), inset 0 0 18px rgba(238, 251, 255, 0.06);
  cursor: pointer;
}
button.line.quiet, a.line.quiet { border-color: rgba(238, 251, 255, 0.22); box-shadow: none; color: var(--soft); letter-spacing: 0.08em; font-size: 16px; min-height: 52px; }
button.line.glassy { background: rgba(3, 8, 12, 0.4); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
button.link { background: none; border: 0; color: var(--dim); font: 300 14px var(--font); letter-spacing: 0.06em; padding: 10px; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--faint); }
button:disabled { opacity: 0.4; cursor: default; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 1px solid var(--line); outline-offset: 4px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pair button.line { padding-inline: 8px; letter-spacing: 0.04em; font-size: 15px; }

.field { display: grid; gap: 8px; font-size: 14px; color: var(--dim); }
.field input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid var(--faint);
  border-radius: 3px;
  background: rgba(238, 251, 255, 0.04);
  color: var(--line);
  font: 300 18px var(--font);
  letter-spacing: 0.04em;
}

/* ---------- кольцо охвата ---------- */
.ring-box { width: 156px; height: 156px; margin-inline: auto; }
.ring-box.live {
  width: min(44vw, 176px);
  height: min(44vw, 176px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(3, 8, 12, 0.62) 0 58%, rgba(3, 8, 12, 0.3) 70%, rgba(3, 8, 12, 0) 72%);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.ring { width: 100%; height: 100%; overflow: visible; }
.ring .seg { fill: none; stroke-width: 9; transition: stroke 300ms ease; }
.ring .seg.empty { stroke: rgba(238, 251, 255, 0.2); }
.ring .seg.low { stroke: var(--bad); filter: drop-shadow(0 0 4px rgba(255, 122, 107, 0.7)); }
.ring .seg.part { stroke: var(--warn); filter: drop-shadow(0 0 4px rgba(255, 200, 97, 0.6)); }
.ring .seg.full { stroke: var(--line); filter: drop-shadow(0 0 5px rgba(238, 251, 255, 0.9)); }
.ring .gap { fill: none; stroke: var(--line); stroke-width: 20; stroke-opacity: 0.22; animation: pulse 1.2s ease-in-out infinite; }
.ring .figure { fill: none; stroke: var(--soft); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ring .you { transition: transform 160ms linear, opacity 200ms; }
.ring .you-dot { fill: #fff; filter: drop-shadow(0 0 6px #fff); }
.ring .you-halo { fill: none; stroke: rgba(255, 255, 255, 0.5); stroke-width: 1; }
@keyframes pulse { 50% { stroke-opacity: 0.05; opacity: 0.35; } }

.rings-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rings-row figure { margin: 0; display: grid; gap: 8px; justify-items: center; }
.rings-row .ring-box { width: min(38vw, 150px); height: min(38vw, 150px); }
figcaption { font-size: 14px; letter-spacing: 0.12em; color: var(--soft); }

.marks { display: flex; justify-content: center; gap: 8px; }
.mark {
  padding: 7px 13px;
  border: 1px solid var(--faint);
  border-radius: 16px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--dim);
  background: rgba(3, 8, 12, 0.35);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: all 300ms ease;
}
.mark.done { color: var(--line); border-color: rgba(238, 251, 255, 0.7); box-shadow: 0 0 14px rgba(238, 251, 255, 0.35); }
.mark.part { color: var(--warn); border-color: rgba(255, 200, 97, 0.5); }
.marks.small .mark { padding: 4px 9px; font-size: 12px; }

.thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.thumbs:empty { display: none; }
.thumbs img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 2px; border: 1px solid var(--faint); background: #0a1016; }

/* ---------- отправка и готово ---------- */
.percent { font-size: 64px; font-weight: 200; letter-spacing: 0.02em; text-shadow: var(--glow); }
.bar { height: 1px; background: rgba(238, 251, 255, 0.18); }
#bar-fill { width: 0; height: 1px; background: var(--line); box-shadow: 0 0 10px var(--line); transition: width 300ms ease; }
#upload.failed .percent { color: var(--dim); text-shadow: none; }
#upload.failed #upload-title { color: #ffdcb8; }
.scan-id { font-size: 26px; font-weight: 300; letter-spacing: 0.08em; text-shadow: var(--glow); user-select: all; -webkit-user-select: all; word-break: break-all; }

/* ---------- съёмка ---------- */
#cam, #edges, #shade { position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100dvh; }
#cam { object-fit: cover; background: #000; filter: brightness(0.58) contrast(1.06) saturate(0.8); }
#edges { pointer-events: none; }
#shade { pointer-events: none; background: radial-gradient(120% 85% at 50% 45%, rgba(2, 5, 8, 0), rgba(2, 5, 8, 0.6)); }

#hud { position: fixed; inset: 0; z-index: 10; pointer-events: none; }
#hud > * { pointer-events: auto; }
.hud-top {
  position: absolute;
  inset: 0 0 auto 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: calc(var(--top) + 10px) 14px 0;
}
.hud-top .logo { justify-self: start; opacity: 0.9; }
.step-name { font-size: 13px; letter-spacing: 0.16em; color: var(--soft); text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6); }
.chip {
  justify-self: end;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(238, 251, 255, 0.3);
  border-radius: 20px;
  background: rgba(3, 8, 12, 0.4);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--line);
  font: 300 14px var(--font);
  letter-spacing: 0.1em;
  cursor: pointer;
}

.glass {
  border-radius: 18px;
  background: rgba(10, 16, 22, 0.52);
  border: 1px solid rgba(238, 251, 255, 0.16);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.hint {
  position: absolute;
  top: calc(var(--top) + 62px);
  left: 50%;
  display: flex;
  gap: 14px;
  width: max-content;
  max-width: calc(100vw - 32px);
  padding-block: 15px;
  padding-inline: 16px 22px;
  transform: translateX(-50%);
  transition: opacity 240ms ease;
}
.hint.off { opacity: 0; }
.hint-mark { flex: none; width: 2px; border-radius: 2px; background: var(--line); box-shadow: 0 0 12px rgba(238, 251, 255, 0.8); }
.hint.warn .hint-mark { background: linear-gradient(var(--warn), #ffb08a); box-shadow: 0 0 12px rgba(255, 196, 140, 0.8); }
.hint.go .hint-mark { background: #b8ffe0; box-shadow: 0 0 12px rgba(184, 255, 224, 0.8); }
#hint-title { font-size: 19px; font-weight: 400; letter-spacing: 0.04em; color: #fff; }
.hint.warn #hint-title { color: #fff3e2; }
#hint-text { margin-top: 3px; font-size: 14px; line-height: 1.4; color: var(--soft); }
#hint-text:empty, #card-text:empty { display: none; }

.hud-bottom {
  position: absolute;
  inset: auto 0 0 0;
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 0 20px calc(var(--bottom) + 22px);
  background: linear-gradient(to top, rgba(2, 5, 8, 0.6), rgba(2, 5, 8, 0));
}
.hud-bottom .line { max-width: 360px; }

.card-wrap {
  position: fixed;
  inset: 0;
  z-index: 15;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 5, 8, 0.35);
}
.card { width: min(100%, 420px); padding: 26px 22px 22px; display: grid; gap: 14px; }
.card h2 { font-size: 28px; font-weight: 200; }

.toast {
  position: fixed;
  z-index: 30;
  left: 50%;
  top: 40%;
  padding: 18px 26px;
  font-size: 19px;
  letter-spacing: 0.04em;
  text-align: center;
  transform: translate(-50%, -12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease, transform 260ms ease;
  max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  .ring .gap { animation: none; }
  .toast, .hint, .ring .you { transition: none; }
}
@media (min-height: 760px) {
  .ring-box.live { width: 180px; height: 180px; }
}

/* ---------- два круга на двух высотах, зоны, сетка выражений ---------- */
.ring .ring-outer, .ring .ring-inner { opacity: 0.38; transition: opacity 300ms ease; }
.ring .ring-outer.active, .ring .ring-inner.active { opacity: 1; }
.ring .ring-inner .seg { stroke-width: 7; }
#cam.mirror, #edges.mirror { transform: scaleX(-1); }

.hint-progress { height: 2px; margin-top: 8px; background: rgba(238, 251, 255, 0.15); border-radius: 2px; overflow: hidden; }
.hint-progress span { display: block; height: 100%; width: 0; background: #b8ffe0; box-shadow: 0 0 8px rgba(184, 255, 224, 0.8); transition: width 160ms linear; }

.marks { flex-wrap: wrap; max-width: 360px; }

/* сетка упражнений лица: клетка на упражнение, текущая пульсирует */
.grid-box.live { width: min(56vw, 220px); }
.face-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.face-grid .cell { aspect-ratio: 1; border-radius: 4px; border: 1px solid rgba(238, 251, 255, 0.18); background: rgba(3, 8, 12, 0.45); }
.face-grid .cell.low { border-color: rgba(255, 122, 107, 0.7); }
.face-grid .cell.part { background: rgba(255, 200, 97, 0.55); border-color: rgba(255, 200, 97, 0.8); }
.face-grid .cell.full { background: var(--line); border-color: var(--line); box-shadow: 0 0 10px rgba(238, 251, 255, 0.7); }
.face-grid .cell.now { animation: pulse 1.1s ease-in-out infinite; border-color: var(--line); }

/* схемы экрана проверки: зелёный - готово, жёлтый - мало, красный - нет */
.maps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-items: start; }
.maps figure { margin: 0; display: grid; gap: 8px; justify-items: center; }
.map-box { width: 100%; max-width: 132px; aspect-ratio: 1; }
.map-box.grid-box { display: grid; place-items: center; }
.map-box .face-grid { width: 86%; gap: 4px; }
.map-box .face-grid .cell.full { background: var(--ok); border-color: var(--ok); box-shadow: 0 0 8px rgba(109, 255, 168, 0.6); }
.map-box .face-grid .cell.empty { border-color: rgba(255, 122, 107, 0.6); }
.zmap { width: 100%; height: 100%; overflow: visible; }
.zmap .z { fill: none; stroke-width: 15; stroke-linecap: butt; }
.zmap .z.thin { stroke-width: 8; }
.zmap .z.full, .zmap .zdot.full { stroke: var(--ok); fill-opacity: 1; filter: drop-shadow(0 0 4px rgba(109, 255, 168, 0.7)); }
.zmap .z.part, .zmap .zdot.part { stroke: var(--warn); }
.zmap .z.low, .zmap .zdot.low { stroke: var(--bad); opacity: 0.85; }
.zmap .zdot { fill: none; stroke-width: 10; }
.zmap .figure { fill: none; stroke: var(--soft); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pair.three { grid-template-columns: repeat(3, 1fr); }
.panel { padding: 16px; display: grid; gap: 10px; border-radius: 14px; }
.panel h2 { font-size: 19px; }

/* ответ сервера по частям */
.parts { list-style: none; margin: 0 auto; padding: 0; display: grid; gap: 8px; width: auto; }
.parts li { display: flex; align-items: center; gap: 12px; font-size: 17px; color: var(--soft); }
.parts li::before { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--dim); flex: none; }
.parts li.ok::before { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.parts li.partial::before { background: var(--warn); }
.parts li.missing::before { background: var(--bad); }

/* мои записи на первом экране: дата и итог проверки */
.mine { display: grid; gap: 6px; }
.mine h2 { font-size: 15px; color: var(--dim); letter-spacing: 0.12em; }
.mine ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.mine li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 2px; border-bottom: 1px solid var(--faint); cursor: pointer; font-size: 15px; color: var(--soft); }
.mine li .st { font-size: 13px; color: var(--dim); }
.mine li .st.ok { color: var(--ok); }
.mine li .st.reshoot { color: var(--warn); }

/* ответ сервера: причина расхождения с экраном проверки и кнопки «Доснять» */
.parts li .reason { font-size: 13px; color: #ffdcb8; margin-inline-start: 4px; }
.reshoot { display: grid; gap: 10px; }
.reshoot:empty { display: none; }