/* Мосбилет · Плакаты. Токены — из макета в Figma (файл b6a3GD9i6dfqw16b03QR7d, коллекции «Цвета» и «Размеры»). */
:root {
  --bg-canvas: #F4F2EF;
  --bg-surface: #FFFFFF;
  --bg-muted: #F8F7F5;
  --bg-wall: #E9E6E1;
  --border: #E5E1DB;
  --border-strong: #CDC8C0;
  --text: #17161A;
  --text-2: #5F5B56;
  --text-3: #8E8983;
  --on-accent: #FFFFFF;
  --accent: #E12039;
  --accent-hover: #C5152D;
  --accent-soft: #FDE9EC;
  --inverse: #17161A;
  --inverse-text: #FFFFFF;
  --ok: #1E9A55; --ok-soft: #E6F5EC;
  --warn: #B86E00; --warn-soft: #FFF4DE;
  --error: #D2291C; --error-soft: #FDEBE9;
  --info: #2C64E3; --info-soft: #E9F0FE;

  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px;
  --shadow-card: 0 1px 2px rgba(23, 22, 26, .04), 0 8px 24px rgba(23, 22, 26, .06);
  --shadow-poster: 0 2px 4px rgba(23, 22, 26, .08), 0 18px 40px rgba(23, 22, 26, .16);
  --focus: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);

  --f-display: "Roboto Flex", "Arial Narrow", system-ui, sans-serif;
  --f-body: "Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;
  --maxw: 1200px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-canvas: #121214; --bg-surface: #1C1C20; --bg-muted: #232328; --bg-wall: #0C0C0E;
    --border: #2E2E34; --border-strong: #45454D;
    --text: #F3F2F0; --text-2: #B4B0AA; --text-3: #7E7A75;
    --accent: #F0364D; --accent-hover: #FF5A6E; --accent-soft: #3A1A20;
    --inverse: #F3F2F0; --inverse-text: #17161A;
    --ok: #3CCB7F; --ok-soft: #15301F; --warn: #F2B13C; --warn-soft: #33270F;
    --error: #FF6B5E; --error-soft: #3A1714; --info: #6E9BFF; --info-soft: #18233D;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg-canvas); color: var(--text);
  font: 400 15px/22px var(--f-body);
}
img { max-width: 100%; display: block; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--focus); }

/* ---------- текст ---------- */
.eyebrow {
  margin: 0; font: 600 12px/16px var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--accent);
}
.eyebrow--muted { color: var(--text-3); }
.display {
  margin: 0; font: 700 clamp(30px, 4.2vw, 44px)/1.09 var(--f-display);
  letter-spacing: -.01em; text-transform: uppercase; max-width: 14ch;
}
.heading { margin: 0; font: 700 22px/26px var(--f-display); letter-spacing: -.005em; text-transform: uppercase; }
.lead { margin: 0; color: var(--text-2); max-width: 56ch; }

/* ---------- шапка ---------- */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--bg-surface); border-bottom: 1px solid var(--border); }
.topbar__inner {
  max-width: calc(var(--maxw) + 80px); margin: 0 auto; padding: 14px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; border-radius: var(--r-sm); }
/* логотип «МОС БИЛЕТ» из библиотеки дизайнера (assets/brand/mosbilet-logo.svg) и название инструмента через черту */
.logo__brand { height: 26px; width: auto; color: var(--accent); flex: none; }
.logo__name { font: 700 22px/22px var(--f-display); text-transform: uppercase; padding-left: 12px; border-left: 2px solid var(--border); }

/* ---------- значки статуса ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 8px; height: 28px; padding: 0 12px 0 10px;
  border-radius: var(--r-pill); font: 500 13px/16px var(--f-body); white-space: nowrap;
}
.badge__dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex: none; }
.badge--ok { background: var(--ok-soft); color: var(--ok); }
.badge--warn { background: var(--warn-soft); color: var(--warn); }
.badge--error { background: var(--error-soft); color: var(--error); }
.badge--info { background: var(--info-soft); color: var(--info); }
.badge--idle { background: var(--bg-muted); color: var(--text-2); }
.badge--idle .badge__dot { background: var(--text-3); }

/* ---------- раскладка ---------- */
.container { width: 100%; max-width: calc(var(--maxw) + 80px); margin: 0 auto; padding: 48px 40px 64px; flex: 1; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 56px; align-items: start; }
.hero__main { display: flex; flex-direction: column; gap: 24px; min-width: 0; }

.card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-card); }

/* ---------- форма ссылок ---------- */
.links { padding: 8px; }
.links__list { list-style: none; margin: 0; padding: 0; }
.link-field { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 14px; padding: 18px 20px 14px; }
.link-field + .link-field { border-top: 1px solid var(--border); }
.link-field__num {
  width: 28px; height: 28px; margin-top: 28px; border-radius: 50%;
  display: grid; place-items: center; font: 500 13px/1 var(--f-body);
  border: 1.5px solid var(--border-strong); color: var(--text-3); transition: .15s;
}
.link-field.is-valid .link-field__num { background: var(--inverse); border-color: var(--inverse); color: var(--inverse-text); }
.link-field.is-error .link-field__num { border-color: var(--error); color: var(--error); }
.link-field__body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.link-field__label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font: 500 13px/16px var(--f-body); color: var(--text-2); }
.tag { font: 500 12px/16px var(--f-body); color: var(--text-3); }
.tag--required { color: var(--accent); }
.link-field__hint { margin: 0; min-height: 18px; font-size: 13px; line-height: 18px; color: var(--text-3); }
.link-field.is-error .link-field__hint { color: var(--error); }
.link-field.is-valid .link-field__hint { color: var(--ok); }

.input {
  display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 8px 0 16px;
  border: 1px solid var(--border-strong); border-radius: var(--r-md); background: var(--bg-surface);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus-within { border-color: var(--text); box-shadow: var(--focus); }
.link-field.is-error .input { border-color: var(--error); }
.input__icon { color: var(--text-3); flex: none; }
.input input { flex: 1; min-width: 0; height: 50px; border: 0; outline: none; background: transparent; }
.input input::placeholder { color: var(--text-3); }
.input input:focus-visible { box-shadow: none; }
.input__action {
  flex: none; height: 36px; padding: 0 12px; border: 0; border-radius: var(--r-sm);
  background: var(--bg-muted); color: var(--text-2); font-weight: 500; font-size: 13px; cursor: pointer;
}
.input__action:hover { color: var(--text); }

.links__footer {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin: 4px 0 0; padding: 16px 16px 16px 20px; border-radius: var(--r-lg); background: var(--bg-muted);
}
.summary { min-width: 0; }
.summary__title { margin: 0; font-weight: 500; }
.summary__text { margin: 2px 0 0; font-size: 13px; line-height: 18px; color: var(--text-2); }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; flex: none;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  font: 600 15px/20px var(--f-body); transition: background .15s, border-color .15s, color .15s, opacity .15s;
}
.btn--lg { height: 52px; padding: 0 24px; border-radius: var(--r-md); }
.btn--md { height: 40px; padding: 0 16px; border-radius: var(--r-sm); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn--secondary { background: var(--bg-surface); border-color: var(--border-strong); color: var(--text); }
.btn--secondary:hover:not(:disabled) { border-color: var(--text); }
.btn:disabled { background: var(--border); color: var(--text-3); cursor: not-allowed; }
.btn.is-busy .btn__label::after { content: "…"; }

/* ---------- витрина ---------- */
.wall { position: relative; height: 560px; border-radius: var(--r-xl); background: var(--bg-wall); overflow: hidden; }
.wall__badge { position: absolute; top: 24px; left: 24px; z-index: 3; }
.wall__poster { position: absolute; width: 210px; border-radius: 8px; box-shadow: var(--shadow-poster); }
.wall__poster--left { left: 34px; top: 150px; transform: rotate(-8deg); }
.wall__poster--right { right: 34px; top: 150px; transform: rotate(8deg); }
.wall__poster--center { left: 50%; top: 88px; width: 244px; transform: translateX(-50%); z-index: 2; }

/* ---------- диалог с ботом ---------- */
.chat { margin-top: 56px; display: flex; flex-direction: column; gap: 20px; }
.chat__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.feed { display: flex; flex-direction: column; gap: 16px; }
.feed__empty { margin: 0; padding: 24px; border: 1px dashed var(--border-strong); border-radius: var(--r-lg); color: var(--text-2); }
.notice { display: flex; gap: 12px; padding: 16px 20px; border-radius: var(--r-md); align-items: flex-start; }
.notice svg { flex: none; margin-top: 1px; }
.notice__title { margin: 0; font-weight: 500; }
.notice__text { margin: 2px 0 0; font-size: 13px; line-height: 18px; color: var(--text-2); }
.notice--error { background: var(--error-soft); } .notice--error svg { color: var(--error); }

.msg { display: flex; gap: 12px; align-items: flex-start; max-width: 860px; }
.msg__avatar {
  width: 32px; height: 32px; border-radius: var(--r-sm); flex: none; display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent);
}
.msg__avatar--warn { background: var(--warn-soft); color: var(--warn); }
.msg__body {
  min-width: 0; display: flex; flex-direction: column; gap: 12px; padding: 16px 20px;
  background: var(--bg-surface); border: 1px solid var(--border); border-radius: 4px var(--r-lg) var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-card);
}
.msg--user { align-self: flex-end; }
.msg--user .msg__body { background: var(--accent-soft); border-color: transparent; box-shadow: none; border-radius: var(--r-lg) 4px var(--r-lg) var(--r-lg); }
.msg--perm .msg__body { border-color: var(--warn); }
.msg__text { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg__text a { color: var(--accent); }
.msg__meta { margin: -4px 0 0; font-size: 12px; line-height: 16px; color: var(--text-3); }
.msg__row { display: flex; flex-wrap: wrap; gap: 8px; }
.msg__buttons { display: flex; flex-direction: column; gap: 8px; }
.msg__buttons:empty { display: none; }
.msg__chosen { margin: 0; font-weight: 500; color: var(--text-2); }
.perm__more summary { cursor: pointer; font-size: 13px; color: var(--text-2); }
.perm__more pre { margin: 8px 0 0; padding: 12px; border-radius: var(--r-sm); background: var(--bg-muted); font-size: 12px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 240px; overflow: auto; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.shot { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.shot img { width: 100%; border-radius: 8px; background: var(--bg-wall); box-shadow: var(--shadow-poster); }
.shot figcaption { display: flex; flex-direction: column; gap: 6px; font-size: 12px; line-height: 16px; color: var(--text-3); }
.shot figcaption span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc {
  display: flex; align-items: center; gap: 12px; padding: 12px 12px 12px 16px; border-radius: var(--r-md);
  background: var(--bg-muted); color: inherit; text-decoration: none;
}
.doc:hover { background: var(--bg-wall); }
.doc__icon { color: var(--text-2); flex: none; }
.doc__meta { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.doc__meta b { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc__meta span { font-size: 12px; color: var(--text-3); }
.btn--sm { height: 32px; padding: 0 12px; border-radius: var(--r-sm); font-size: 13px; gap: 6px; align-self: flex-start; }

.working { display: inline-flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 14px; }
.working .loader { color: var(--accent); }
.working[hidden] { display: none; }

.composer {
  position: sticky; bottom: 0; z-index: 9; margin-top: 32px;
  background: color-mix(in srgb, var(--bg-canvas) 88%, transparent); backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
}
.composer__inner { max-width: calc(var(--maxw) + 80px); margin: 0 auto; padding: 12px 40px; display: flex; gap: 12px; align-items: center; }
.composer__attach {
  width: 44px; height: 44px; flex: none; border-radius: var(--r-md); display: grid; place-items: center; cursor: pointer;
  background: var(--bg-surface); border: 1px solid var(--border-strong); color: var(--text-2);
}
.composer__attach:hover { color: var(--text); border-color: var(--text); }
.composer__attach:focus-within { box-shadow: var(--focus); }
.composer__field {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px;
  background: var(--bg-surface); border: 1px solid var(--border-strong); border-radius: var(--r-md);
}
.composer__field:focus-within { border-color: var(--text); box-shadow: var(--focus); }
.composer__field input { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; height: 42px; }
.composer__field input:focus-visible { box-shadow: none; }
.composer__chip { flex: none; max-width: 40%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; padding: 2px 8px; border-radius: var(--r-pill); background: var(--bg-muted); color: var(--text-2); }
.composer__chip[hidden] { display: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.loader { width: 20px; height: 20px; border-radius: 50%; border: 2.5px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .loader { animation-duration: 2.4s; } * { transition: none !important; } }


/* ---------- адаптив: схлопывание, а не отдельный интерфейс ---------- */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .wall { height: 360px; }
  .wall__poster { width: 150px; }
  .wall__poster--left { left: calc(50% - 205px); top: 100px; }
  .wall__poster--right { right: calc(50% - 205px); top: 100px; }
  .wall__poster--center { width: 176px; top: 64px; }
}
@media (max-width: 760px) {
  .topbar__inner { padding: 12px 16px; }
  .container { padding: 24px 16px 40px; }
  .hero { gap: 24px; }
  .wall { display: none; }
  .links { padding: 4px; border-radius: var(--r-lg); }
  .link-field { grid-template-columns: 1fr; padding: 16px 12px 10px; }
  .link-field__num { display: none; }
  .input input { font-size: 16px; } /* мельче 16 px iOS приближает страницу при фокусе */
  .links__footer { flex-direction: column; align-items: stretch; padding: 16px; }
  .links__footer .btn { width: 100%; }
  .chat { margin-top: 40px; }
  .composer__inner { padding: 10px 12px; gap: 8px; }
  .composer__field input { font-size: 16px; }
  .composer .btn { padding: 0 14px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .msg__body { padding: 14px 16px; }
}