:root {
  --bg: #0d0e11;
  --surface: #16181d;
  --surface-2: #1f2229;
  --line: #2a2e37;
  --text: #eeece6;
  --muted: #8f929b;
  --accent: #7ce0b5;
  --accent-ink: #082419;
  --warn: #f2b84b;
  --danger: #ff6b6b;
  --radius: 20px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  font-family: ui-rounded, -apple-system, BlinkMacSystemFont, "SF Pro Rounded", "Segoe UI", Roboto, system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; min-height: 100dvh; overscroll-behavior: none; -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.screen {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 520px;
  margin: 0 auto;
  padding: calc(var(--safe-top) + 12px) 20px calc(var(--safe-bottom) + 24px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: in .22s ease-out;
}
@keyframes in { from { opacity: 0; transform: translateY(6px); } }

/* ---------- top bar ---------- */
.bar { display: flex; align-items: center; gap: 8px; min-height: 44px; }
.bar h1 { font-size: 20px; font-weight: 650; margin: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar .brand { font-size: 26px; letter-spacing: -0.02em; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: transparent; display: grid; place-items: center; color: var(--text);
}
.icon-btn:active { background: var(--surface-2); }
.icon-btn svg { width: 24px; height: 24px; }

/* ---------- text ---------- */
.title { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.45; margin: 0; }
.label { font-size: 13px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0; }
.small { font-size: 14px; color: var(--muted); line-height: 1.45; margin: 0; }
.spacer { flex: 1; }

/* ---------- buttons ---------- */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 54px; padding: 0 20px;
  border-radius: 16px; border: 0; font-size: 17px; font-weight: 650;
  background: var(--surface-2); color: var(--text);
  transition: transform .08s ease;
}
.btn:active { transform: scale(.98); }
a.btn { text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.danger { background: transparent; color: var(--danger); }
.btn.ghost { background: transparent; color: var(--muted); }
.btn[disabled] { opacity: .4; pointer-events: none; }
.btn svg { width: 20px; height: 20px; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.row > .btn { padding: 0 12px; white-space: nowrap; }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 12px;
}
.card.accent { border-color: #3a5a4f; border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }

.words { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.words li {
  font-size: clamp(30px, 10vw, 42px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15;
  display: flex; align-items: baseline; gap: 12px;
}
.words li::before {
  content: attr(data-n); font-size: 14px; font-weight: 600; color: var(--muted);
  width: 14px; font-variant-numeric: tabular-nums;
}
.words.compact li { font-size: 22px; font-weight: 650; }
.say { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; touch-action: manipulation; }
.dot { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--muted); margin-left: 6px; vertical-align: middle; opacity: 0; }
.dot.on { opacity: .8; }

.timer { display: flex; align-items: center; gap: 12px; }
.track { flex: 1; height: 4px; background: var(--surface-2); border-radius: 4px; overflow: hidden; }
.fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width 1s linear; }
.timer span { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; min-width: 40px; text-align: right; }

/* ---------- contacts ---------- */
.list { display: flex; flex-direction: column; gap: 10px; }
.contact {
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px;
}
.contact:active { background: var(--surface-2); }
.avatar {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-weight: 700; font-size: 19px;
  background: #2b3d3a;
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-2)); color: var(--accent);
}
.avatar.pending { background: var(--surface-2); color: var(--muted); }
.contact .name { font-size: 18px; font-weight: 650; }
.contact .meta { font-size: 14px; color: var(--muted); margin-top: 2px; }
.contact .chev { margin-left: auto; color: var(--muted); }

.empty { text-align: center; padding: 48px 12px; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.hero-mark { width: 88px; height: 88px; }

/* ---------- inputs ---------- */
.field {
  width: 100%; min-height: 56px; padding: 14px 16px; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--line); font-size: 18px; outline: none;
}
.field:focus { border-color: var(--accent); }
textarea.field { min-height: 96px; resize: none; font-size: 15px; font-family: ui-monospace, Menlo, monospace; word-break: break-all; }

/* ---------- QR ---------- */
.qr { background: #fff; border-radius: 18px; padding: 14px; width: min(240px, 70vw); margin: 0 auto; aspect-ratio: 1; }
.qr svg { width: 100%; height: 100%; display: block; }

.step { display: flex; align-items: center; gap: 10px; }
.step b {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: var(--surface-2); font-size: 14px;
}
.step.done b { background: var(--accent); color: var(--accent-ink); }
.step h2 { font-size: 18px; margin: 0; font-weight: 650; }

/* ---------- PIN pad ---------- */
.pin { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; text-align: center; }
.pin-dots { display: flex; gap: 16px; }
.pin-dots i { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--muted); }
.pin-dots i.on { background: var(--text); border-color: var(--text); }
.pin-dots.shake { animation: shake .35s; }
@keyframes shake { 20%, 60% { transform: translateX(-10px); } 40%, 80% { transform: translateX(10px); } }
.pin-msg { min-height: 20px; color: var(--danger); font-size: 15px; }
.keypad { display: grid; grid-template-columns: repeat(3, 76px); gap: 18px 26px; }
.key {
  width: 76px; height: 76px; border-radius: 50%; border: 0;
  background: var(--surface-2); font-size: 30px; font-weight: 500;
}
.key:active { background: var(--line); }
.key.blank { background: transparent; pointer-events: none; }
.key.fn { background: transparent; font-size: 16px; color: var(--muted); }

/* ---------- sheets / toasts / scanner ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 10;
  display: flex; align-items: flex-end; justify-content: center; animation: fade .18s;
}
@keyframes fade { from { opacity: 0; } }
.sheet {
  width: 100%; max-width: 520px; background: var(--surface); border-radius: 26px 26px 0 0;
  padding: 22px 20px calc(var(--safe-bottom) + 20px); display: flex; flex-direction: column; gap: 14px;
  animation: up .24s cubic-bezier(.2,.8,.2,1);
}
@keyframes up { from { transform: translateY(40px); opacity: .4; } }
.sheet h2 { margin: 0; font-size: 22px; }
.result { border-radius: 16px; padding: 14px 16px; font-size: 16px; line-height: 1.45; }
.result.ok { background: rgba(124,224,181,.14); background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.result.bad { background: rgba(255,107,107,.14); background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.result.warn { background: rgba(242,184,75,.14); background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }

.toast {
  position: fixed; left: 50%; top: calc(var(--safe-top) + 14px); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: 14px; font-weight: 600;
  z-index: 30; animation: up .2s; max-width: 90vw;
}

.scanner { position: fixed; inset: 0; background: #000; z-index: 20; display: flex; flex-direction: column; }
.scanner video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scanner .frame {
  position: absolute; top: 50%; left: 50%; width: min(70vw, 300px); aspect-ratio: 1; transform: translate(-50%, -50%);
  border-radius: 24px; box-shadow: 0 0 0 100vmax rgba(0,0,0,.5); border: 3px solid var(--accent);
}
.scanner .scan-ui {
  position: relative; margin-top: auto; padding: 20px 20px calc(var(--safe-bottom) + 24px);
  display: flex; flex-direction: column; gap: 12px; text-align: center;
}

.prose { display: flex; flex-direction: column; gap: 14px; }
.prose h2 { font-size: 19px; margin: 8px 0 0; }
.prose p { margin: 0; color: var(--muted); line-height: 1.5; font-size: 16px; }
.prose strong { color: var(--text); }