/* =============================================================
   /tutors/{slug} — public tutor profile.
   Standalone page (no base_v2 layout): loads only fonts.css and
   app_theme.css before this file, so every token below resolves
   to the central theme (README_CSS.md "Redesign token migration
   rule") and this file defines no --bg-, --text-, or --accent-
   prefixed value of its own. See docs/contracts/README_CSS.md
   "Public tutor profile page" for the approved contract this
   file implements (design-brief.md, tutor-public-profile).
   ============================================================= */

/* ---------- Page aliases — every one maps back to a central token ---------- */
:root {
  --tpp-page-max: 1320px;                  /* same bound as /profile, /tutors, /tutor/{id} */
  --tpp-prose-max: 68ch;
  --tpp-rail: 340px;                       /* same booking track as /tutor/{id} */
  --tpp-card-radius: var(--radius-md);
  --tpp-inner-radius: 12px;
  --tpp-shadow-card: 0 1px 2px color-mix(in srgb, var(--text-primary) 5%, transparent);
  --tpp-focus-ring: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 24%, transparent);
  /* Hero band. --text-primary is the app's darkest neutral and is also the
     ink of the Lernavio logo lockup on the logged-out pages. Used flat, as
     a surface, with no gradient and no radial glow (design-brief.md §4). */
  --tpp-hero-surface: var(--text-primary);
  --tpp-hero-line: color-mix(in srgb, var(--text-on-accent) 18%, transparent);
  --tpp-hero-soft: color-mix(in srgb, var(--text-on-accent) 72%, var(--text-primary));
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-app);
  color: var(--text-primary);
  font: 400 var(--app-theme-font-size-sm) / 1.5 var(--app-theme-font-family);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; }
[hidden] { display: none !important; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.ico {
  width: 20px; height: 20px; flex: 0 0 auto; object-fit: contain;
}
.ico--sm { width: 16px; height: 16px; }
.num { font-variant-numeric: tabular-nums; }
.prose { max-width: var(--tpp-prose-max); overflow-wrap: anywhere; white-space: pre-line; }

:where(button, a, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}
/* Focus on the dark hero band needs a light ring to stay visible. */
.tpp-hero :where(button, a):focus-visible { outline-color: var(--text-on-accent); }

/* Quiet anchor to the one canonical action — the approved /tutor/{id}
   `.tp-jump` pattern, so a second entry point never becomes a second CTA. */
.tpp-jump {
  display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 4px 2px;
  border: 0; background: transparent; cursor: pointer; text-align: left;
  color: var(--text-secondary);
  font: 700 var(--app-theme-font-size-xs)/1.3 var(--app-theme-font-family);
}
.tpp-jump:hover { color: var(--accent-primary); }
.tpp-jump .ico { width: 16px; height: 16px; }

/* =============================================================
   DESIGN SYSTEM EXTENSION 1 — public (anonymous) page shell.
   ============================================================= */
.tpp-shell {
  flex: 0 0 auto;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-default);
}
.tpp-shell__in {
  max-width: var(--tpp-page-max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 20px;
}
.tpp-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); }
.tpp-brand__mark { width: 42px; height: 42px; }
.tpp-brand__word { height: 36px; }
.tpp-shell__acts { display: inline-flex; align-items: center; gap: 8px; }

.tpp-lang { position: relative; }
.tpp-lang__btn { min-height: 36px; gap: 6px; }
.tpp-lang__menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40;
  min-width: 176px; padding: 6px;
  background: var(--bg-panel); border: 1px solid var(--accent-primary);
  border-radius: var(--radius-md); box-shadow: var(--shadow-modal);
  display: grid; gap: 4px;
}
.tpp-lang__item {
  display: flex; align-items: center; gap: 8px; width: 100%; min-height: 36px;
  padding: 6px 10px; border: 1px solid transparent; border-radius: var(--radius-sm);
  background: var(--bg-panel); color: var(--text-primary); cursor: pointer;
  font: 500 var(--app-theme-font-size-sm)/1.2 var(--app-theme-font-family); text-align: left;
  text-decoration: none;
}
.tpp-lang__item:hover, .tpp-lang__item:focus-visible,
.tpp-lang__item[aria-current="true"] { background: var(--accent-soft); border-color: var(--accent-primary); color: var(--accent-primary); font-weight: 700; }

.tpp-foot {
  flex: 0 0 auto; margin-top: 40px;
  border-top: 1px solid var(--border-default); background: var(--bg-panel);
}
.tpp-foot__in {
  max-width: var(--tpp-page-max); margin: 0 auto; padding: 18px 20px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
  color: var(--text-secondary); font-size: var(--app-theme-font-size-xs);
}
.tpp-foot a { color: var(--text-secondary); }

/* ---------- Page frame ---------- */
.tpp-page { flex: 1 1 auto; max-width: var(--tpp-page-max); width: 100%; margin: 0 auto; padding: 20px 20px 0; }

/* ---------- Owner band ---------- */
.tpp-owner {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px 16px;
  align-items: center; margin-bottom: 16px; padding: 14px 16px;
  background: var(--bg-panel); border: 1px solid var(--border-default);
  border-left: 3px solid var(--success); border-radius: var(--tpp-card-radius);
}
.tpp-owner[data-pub="draft"] { border-left-color: var(--warning); }
.tpp-owner__head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.tpp-owner__note { margin-top: 4px; color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-owner__url {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 6px;
  color: var(--text-secondary); font-size: var(--app-theme-font-size-xs);
}
.tpp-owner__url code {
  padding: 2px 6px; border-radius: 6px; background: var(--bg-muted);
  color: var(--text-primary); font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}
.tpp-owner__acts { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }

/* ---------- Status pills (semantic, never colour-only) ---------- */
.tpp-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; border: 1px solid transparent;
  font: 700 var(--app-theme-font-size-xs)/1.4 var(--app-theme-font-family); white-space: nowrap;
}
.tpp-pill--success { background: var(--success-bg); border-color: color-mix(in srgb, var(--success) 34%, transparent); color: var(--success); }
.tpp-pill--warning { background: var(--warning-bg); border-color: color-mix(in srgb, var(--warning) 34%, transparent); color: var(--warning); }
.tpp-pill--danger  { background: var(--danger-bg);  border-color: color-mix(in srgb, var(--danger) 34%, transparent);  color: var(--danger); }
.tpp-pill--neutral { background: var(--bg-muted); border-color: var(--border-default); color: var(--text-secondary); }
.tpp-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ---------- Hero ---------- */
.tpp-hero {
  padding: 24px; border-radius: var(--radius-xl);
  background: var(--tpp-hero-surface); color: var(--text-on-accent);
}
.tpp-hero__top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; align-items: start; }
.tpp-avatar {
  width: 96px; height: 96px; border-radius: var(--radius-lg); object-fit: cover;
  background: var(--tpp-hero-line); border: 1px solid var(--tpp-hero-line);
}
.tpp-avatar--fallback { display: grid; place-items: center; font: 700 34px/1 var(--app-theme-font-family); color: var(--text-on-accent); }
.tpp-nameline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.tpp-name { font: 700 var(--app-theme-font-size-page-title)/1.25 var(--app-theme-font-family); overflow-wrap: anywhere; }
.tpp-hero .tpp-pill--success { background: color-mix(in srgb, var(--text-on-accent) 16%, transparent); border-color: color-mix(in srgb, var(--text-on-accent) 30%, transparent); color: var(--text-on-accent); }
.tpp-headline { margin-top: 4px; max-width: 62ch; color: var(--tpp-hero-soft); font-size: var(--app-theme-font-size-md); overflow-wrap: anywhere; }
.tpp-subjects { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tpp-subject {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border-radius: 999px; border: 1px solid color-mix(in srgb, var(--text-on-accent) 26%, transparent);
  background: color-mix(in srgb, var(--text-on-accent) 12%, transparent);
  font: 500 var(--app-theme-font-size-xs)/1.4 var(--app-theme-font-family);
}
.tpp-subject--primary { background: color-mix(in srgb, var(--text-on-accent) 22%, transparent); font-weight: 700; }

.tpp-hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--tpp-hero-line);
}
.tpp-metaitem { display: grid; gap: 2px; min-width: 0; }
.tpp-metaitem__v { display: inline-flex; align-items: center; gap: 6px; font: 700 var(--app-theme-font-size-lg)/1.2 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-metaitem__k { color: var(--tpp-hero-soft); font-size: var(--app-theme-font-size-xs); }
.tpp-metaitem__v .ico { filter: brightness(0) invert(1); }

.tpp-hero__offer {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 14px 24px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--tpp-hero-line);
}
.tpp-price { font: 700 var(--app-theme-font-size-page-title)/1.2 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-price span { font: 500 var(--app-theme-font-size-sm)/1.2 var(--app-theme-font-family); color: var(--tpp-hero-soft); }
.tpp-price__sub { margin-top: 2px; color: var(--tpp-hero-soft); font-size: var(--app-theme-font-size-xs); }
.tpp-next { text-align: right; }
.tpp-next__k { color: var(--tpp-hero-soft); font-size: var(--app-theme-font-size-xs); }
.tpp-next__v { display: inline-flex; align-items: center; gap: 6px; margin-top: 2px; font: 700 var(--app-theme-font-size-md)/1.2 var(--app-theme-font-family); }
.tpp-hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tpp-hero__cta .app-button { min-height: 44px; }
.tpp-hero__cta .app-button:not(.app-button--primary) { background: transparent; color: var(--text-on-accent); border-color: color-mix(in srgb, var(--text-on-accent) 40%, transparent); }
.tpp-hero__cta .app-button:not(.app-button--primary):hover { background: color-mix(in srgb, var(--text-on-accent) 14%, transparent); border-color: var(--text-on-accent); }
.tpp-selfnote {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 16px; padding: 12px 14px;
  border-radius: var(--tpp-inner-radius);
  background: color-mix(in srgb, var(--text-on-accent) 10%, transparent);
  border: 1px solid var(--tpp-hero-line); color: var(--tpp-hero-soft);
  font-size: var(--app-theme-font-size-xs); max-width: 62ch;
}
.tpp-selfnote strong { display: block; color: var(--text-on-accent); font-size: var(--app-theme-font-size-sm); }

/* ---------- Body grid: content column + sticky booking rail ---------- */
.tpp-body {
  display: grid; grid-template-columns: minmax(0, 1fr) var(--tpp-rail);
  gap: 24px 28px; align-items: start; margin-top: 24px;
}
.tpp-body > * { grid-column: 1; min-width: 0; }
.tpp-book { grid-column: 2; grid-row: 1 / span 1; position: sticky; top: 16px; align-self: start; }

/* ---------- Section / card ---------- */
.tpp-sect { display: grid; gap: 12px; }
.tpp-sect__head { display: grid; gap: 4px; }
.tpp-sect__title { font: 700 var(--app-theme-font-size-title)/1.3 var(--app-theme-font-family); }
.tpp-sect__lead { color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); max-width: var(--tpp-prose-max); }
.tpp-card {
  background: var(--bg-panel); border: 1px solid var(--border-default);
  border-radius: var(--tpp-card-radius); box-shadow: var(--tpp-shadow-card);
}
.tpp-card__body { padding: 18px 20px; }
.tpp-card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--border-default);
}
.tpp-card__title { font: 700 var(--app-theme-font-size-title-base)/1.3 var(--app-theme-font-family); display: inline-flex; align-items: center; gap: 8px; }

/* ---------- About ---------- */
.tpp-about { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 14px; }
.tpp-bio { font-size: var(--app-theme-font-size-md); line-height: 1.65; }
.tpp-facts { display: grid; gap: 12px; }
.tpp-fact { display: grid; gap: 2px; }
.tpp-fact__k { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-fact__v { font: 700 var(--app-theme-font-size-md)/1.35 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-lang-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.tpp-lang-pill {
  display: inline-flex; align-items: center; min-height: 24px; padding: 2px 8px;
  border: 1px solid var(--border-default); border-radius: 999px; background: var(--bg-muted);
  color: var(--text-primary); font: 700 12px/1.4 var(--app-theme-font-family); letter-spacing: .04em;
}

/* ---------- How lessons work ---------- */
.tpp-how { display: grid; }
.tpp-how__row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border-default); }
.tpp-how__row:first-child { padding-top: 0; }
.tpp-how__row:last-child { padding-bottom: 0; border-bottom: 0; }
.tpp-how__icon {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--accent-soft);
}
.tpp-how__icon .ico { width: 22px; height: 22px; }
.tpp-how__t { font: 700 var(--app-theme-font-size-md)/1.35 var(--app-theme-font-family); }
.tpp-how__d { margin-top: 2px; color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); max-width: var(--tpp-prose-max); }

/* ---------- Specializations (static chips, not fake links) ---------- */
.tpp-specs { display: flex; flex-wrap: wrap; gap: 8px; }
.tpp-chip {
  display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 5px 12px;
  border: 1px solid var(--border-default); border-radius: 999px; background: var(--bg-panel);
  color: var(--text-primary); font: 500 var(--app-theme-font-size-sm)/1.4 var(--app-theme-font-family);
}
.tpp-chip--subject { border-color: color-mix(in srgb, var(--accent-primary) 45%, var(--border-default)); background: var(--accent-soft); color: var(--accent-primary-hover); font-weight: 700; }
.tpp-chip__star { color: var(--accent-primary); }

/* ---------- Booking panel ---------- */
.tpp-book .tpp-card__body { display: grid; gap: 14px; }
.tpp-book__amount { font: 700 var(--app-theme-font-size-title)/1.2 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-book__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-book__meta span { display: inline-flex; align-items: center; gap: 5px; }

/* DESIGN SYSTEM EXTENSION 4 — viewer-timezone stamp */
.tpp-tz {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px;
  border-radius: var(--radius-sm); background: var(--bg-muted); border: 1px solid var(--border-default);
  color: var(--text-secondary); font-size: var(--app-theme-font-size-xs);
}
.tpp-tz strong { color: var(--text-primary); font-weight: 700; }

.tpp-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); gap: 8px; }
.tpp-slot {
  display: grid; gap: 2px; min-height: 56px; padding: 8px 6px; cursor: pointer;
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  background: var(--bg-panel); color: var(--text-primary); text-align: center;
}
.tpp-slot:hover, .tpp-slot:focus-visible { border-color: var(--accent-primary); background: var(--accent-soft); }
.tpp-slot__d { color: var(--text-secondary); font-size: 12px; }
.tpp-slot__t { font: 700 var(--app-theme-font-size-md)/1.2 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }

.tpp-daygroup { display: grid; gap: 8px; }
.tpp-daygroup__t { color: var(--text-secondary); font: 700 var(--app-theme-font-size-xs)/1.4 var(--app-theme-font-family); }
.tpp-book__more { justify-self: start; }
.tpp-book__foot { padding-top: 12px; border-top: 1px solid var(--border-default); display: grid; gap: 6px; }

/* =============================================================
   DESIGN SYSTEM EXTENSION 5 — availability day accordion (Task 04F).
   Compact nearest-day preview switches in place to a WAI-pattern day
   accordion (semantic <button> in an <h3>, aria-expanded/aria-controls,
   one panel open at a time). No horizontal scroller — the slot grid
   still wraps (`.tpp-slots`).
   ============================================================= */
.tpp-slot.is-selected {
  border-color: var(--accent-primary);
  background: var(--accent-soft);
  box-shadow: var(--tpp-focus-ring);
}
.tpp-slot.is-selected .tpp-slot__t { color: var(--accent-primary-hover); }

/* Selected-time recap (shown on the page only when the wizard is closed;
   the wizard carries its own step-1 summary). */
.tpp-picked {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px;
  padding: 10px 12px; border-radius: var(--tpp-inner-radius);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 40%, var(--border-default));
}
.tpp-picked__info { display: grid; gap: 1px; min-width: 0; }
.tpp-picked__k { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-picked__v { font: 700 var(--app-theme-font-size-sm)/1.3 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-picked .app-button { min-height: 36px; }

.tpp-acc {
  display: grid; gap: 0;
  border: 1px solid var(--border-default); border-radius: var(--tpp-inner-radius); overflow: hidden;
}
.tpp-acc__day + .tpp-acc__day { border-top: 1px solid var(--border-default); }
.tpp-acc__h { margin: 0; font: inherit; }
.tpp-acc__head {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 10px;
  width: 100%; min-height: 48px; padding: 10px 14px;
  border: 0; background: var(--bg-panel); cursor: pointer;
  color: var(--text-primary); text-align: left;
  font: 700 var(--app-theme-font-size-sm)/1.35 var(--app-theme-font-family);
}
.tpp-acc__head:hover { background: var(--bg-muted); }
.tpp-acc__day.is-open .tpp-acc__head { background: var(--accent-soft); color: var(--accent-primary-hover); }
.tpp-acc__date { overflow-wrap: anywhere; }
.tpp-acc__count { color: var(--text-secondary); font-weight: 500; font-size: var(--app-theme-font-size-xs); white-space: nowrap; }
.tpp-acc__day.is-open .tpp-acc__count { color: inherit; }
.tpp-acc__chev { transition: transform .18s ease; }
.tpp-acc__day.is-open .tpp-acc__chev { transform: rotate(180deg); }
.tpp-acc__panel { padding: 6px 14px 14px; background: var(--bg-panel); }

.tpp-book__collapse { justify-self: start; }

/* ---------- Price strip ---------- */
.tpp-pricestrip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px;
  padding: 18px 20px;
}
.tpp-pricestrip__amount { font: 700 var(--app-theme-font-size-title)/1.2 var(--app-theme-font-family); font-variant-numeric: tabular-nums; }
.tpp-pricestrip__amount span { font: 500 var(--app-theme-font-size-sm)/1.2 var(--app-theme-font-family); color: var(--text-secondary); }
.tpp-pricestrip__note { margin-top: 3px; color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }

/* ---------- Reviews ---------- */
.tpp-reviews { display: grid; gap: 10px; }
.tpp-review { padding: 16px 18px; }
.tpp-review__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; }
.tpp-review__who { font: 700 var(--app-theme-font-size-md)/1.3 var(--app-theme-font-family); }
.tpp-review__when { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-stars { display: inline-flex; align-items: center; gap: 2px; margin-top: 6px; color: var(--accent-primary); }
/* star.svg is an <img> outline with a hard-coded grey stroke, so `color`
   never reaches it; recolour via a mask so filled vs. empty is visible and
   not conveyed by opacity alone. */
.tpp-stars .ico {
  width: 15px; height: 15px;
  background-color: var(--accent-primary);
  -webkit-mask: url("/static/assets/icons/star.svg") center / contain no-repeat;
          mask: url("/static/assets/icons/star.svg") center / contain no-repeat;
}
.tpp-stars .ico--off { opacity: 1; background-color: var(--text-secondary); }
.tpp-review__text { margin-top: 8px; font-size: var(--app-theme-font-size-md); line-height: 1.6; max-width: var(--tpp-prose-max); overflow-wrap: anywhere; }
.tpp-reviews__count { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }

/* ---------- Sample ---------- */
.tpp-sample { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 16px 18px; }
.tpp-sample__thumb {
  width: 108px; height: 72px; border-radius: var(--tpp-inner-radius); object-fit: cover;
  background: var(--bg-muted); border: 1px solid var(--border-default);
}
.tpp-sample__thumb--fallback { display: grid; place-items: center; }
.tpp-sample__thumb--fallback .ico { color: var(--accent-primary); }
.tpp-sample__t { font: 700 var(--app-theme-font-size-md)/1.35 var(--app-theme-font-family); overflow-wrap: anywhere; }
.tpp-sample__d { margin-top: 3px; color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); max-width: var(--tpp-prose-max); }

/* ---------- Bottom CTA ---------- */
.tpp-final {
  margin-top: 8px; padding: 28px 24px; border-radius: var(--radius-xl);
  background: var(--tpp-hero-surface); color: var(--text-on-accent); display: grid; gap: 8px; justify-items: start;
}
.tpp-final h2 { font: 700 var(--app-theme-font-size-title)/1.3 var(--app-theme-font-family); }
.tpp-final p { color: var(--tpp-hero-soft); font-size: var(--app-theme-font-size-sm); max-width: 56ch; }
.tpp-final .app-button { margin-top: 8px; min-height: 44px; }

/* ---------- Empty / error / loading ---------- */
.tpp-state {
  display: grid; gap: 6px; padding: 20px; justify-items: start;
  border: 1px solid var(--border-default); border-radius: var(--tpp-card-radius); background: var(--bg-panel);
}
.tpp-state--inline { border-style: dashed; background: var(--bg-muted); }
.tpp-state__t { font: 700 var(--app-theme-font-size-md)/1.35 var(--app-theme-font-family); }
.tpp-state__d { color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); max-width: var(--tpp-prose-max); }
.tpp-state--error { border-left: 3px solid var(--danger); }
.tpp-state .app-button { margin-top: 6px; }

/* ---------- Booking panel: viewer has a trial with this tutor ---------- */
.tpp-book__state {
  display: grid; gap: 8px; margin-top: 10px; padding: 16px;
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  background: var(--bg-muted);
  border-left: 3px solid var(--accent-primary);
}
.tpp-book__state--ok { border-left-color: var(--success, #16a34a); }
.tpp-book__state-t { font: 700 var(--app-theme-font-size-md)/1.35 var(--app-theme-font-family); }
.tpp-book__state-d { color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); }
.tpp-book__state .app-button { margin-top: 4px; min-height: 40px; justify-self: start; }

.tpp-skeleton { background: var(--bg-muted); border-radius: var(--radius-sm); position: relative; overflow: hidden; }
.tpp-skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--text-on-accent) 70%, transparent), transparent);
  transform: translateX(-100%); animation: tppShimmer 1.3s infinite;
}
.tpp-skeleton--line { height: 12px; }
.tpp-skeleton--title { height: 20px; width: 40%; }
.tpp-skeleton--avatar { width: 96px; height: 96px; border-radius: var(--radius-lg); }
.tpp-sk-stack { display: grid; gap: 10px; }
@keyframes tppShimmer { 100% { transform: translateX(100%); } }

/* ---------- 404 / unavailable ---------- */
.tpp-404 { display: grid; gap: 10px; justify-items: center; text-align: center; padding: 64px 20px; }
.tpp-404__icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--bg-muted); }
.tpp-404__icon .ico { color: var(--text-secondary); }
.tpp-404 h1 { font: 700 var(--app-theme-font-size-page-title)/1.3 var(--app-theme-font-family); }
.tpp-404 p { color: var(--text-secondary); max-width: 52ch; }

/* ---------- Sticky decision bar (approved /tutor/{id} pattern) ---------- */
.tpp-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: none;
  gap: 10px; align-items: center;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: var(--bg-panel); border-top: 1px solid var(--border-default);
  box-shadow: 0 -6px 20px color-mix(in srgb, var(--text-primary) 8%, transparent);
}
.tpp-bar__lead { display: grid; gap: 1px; min-width: 0; flex: 1 1 auto; }
.tpp-bar__t { font: 700 var(--app-theme-font-size-sm)/1.25 var(--app-theme-font-family); }
.tpp-bar__s { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-bar .app-button { min-height: 44px; }
.tpp-bar .app-button--icon { width: 44px; min-width: 44px; height: 44px; }

/* =============================================================
   DESIGN SYSTEM EXTENSION 2 — linear step wizard, built on the
   unified compact action-modal shell composition (README_CSS
   "2.14 Модалки"): header -> divider -> body -> divider -> footer,
   framed 36x36 close with the 90deg hover rotation, secondary-left
   / primary-right footer.
   ============================================================= */
.tpp-overlay {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px;
  background: color-mix(in srgb, var(--text-primary) 42%, transparent);
}
.tpp-dialog {
  display: flex; flex-direction: column; overflow: hidden;
  width: min(560px, calc(100vw - 32px)); min-width: 0;
  max-height: min(calc(100dvh - 32px), 760px);
  background: var(--bg-panel); border: 1px solid var(--border-default);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-modal);
}
.tpp-dialog--s { width: min(480px, calc(100vw - 32px)); }
.tpp-dialog__head {
  flex: 0 0 auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--border-default);
}
.tpp-dialog__icon {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: var(--radius-sm);
  background: var(--accent-soft);
}
.tpp-dialog__icon .ico { color: var(--accent-primary); }
.tpp-dialog__icon--success { background: var(--success-bg); }
.tpp-dialog__icon--success .ico { color: var(--success); }
.tpp-dialog__icon--danger  { background: var(--danger-bg); }
.tpp-dialog__icon--danger .ico { color: var(--danger); }
.tpp-dialog__title { font: 700 var(--app-theme-font-size-lg)/1.3 var(--app-theme-font-family); overflow-wrap: anywhere; }
.tpp-dialog__step { margin-top: 2px; color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); font-weight: 700; }
.tpp-dialog__close { border: 1px solid var(--border-default); border-radius: var(--radius-sm); background: var(--bg-panel); width: 36px; height: 36px; display: grid; place-items: center; cursor: pointer; }
.tpp-dialog__close .ico { transition: transform .18s ease; }
.tpp-dialog__close:hover .ico, .tpp-dialog__close:focus-visible .ico { transform: rotate(90deg); }
.tpp-dialog__close:hover, .tpp-dialog__close:focus-visible { border-color: var(--accent-primary); background: var(--accent-soft); }
.tpp-dialog__body { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 20px 22px 22px; display: grid; gap: 16px; }
.tpp-dialog__foot {
  flex: 0 0 auto; display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end;
  padding: 18px 22px; border-top: 1px solid var(--border-default);
}
.tpp-dialog__foot .app-button { min-height: 42px; }
.tpp-dialog__foot .tpp-foot-left { margin-right: auto; }

/* Written step meter — never dots alone */
.tpp-steps { display: flex; gap: 6px; }
.tpp-steps__seg { height: 4px; flex: 1 1 0; border-radius: 999px; background: var(--border-default); }
.tpp-steps__seg.is-done { background: var(--accent-primary); }

.tpp-summary { display: grid; gap: 10px; padding: 14px; border-radius: var(--tpp-inner-radius); background: var(--bg-muted); border: 1px solid var(--border-default); }
.tpp-summary__row { display: grid; grid-template-columns: minmax(96px, auto) minmax(0, 1fr); gap: 4px 14px; align-items: baseline; }
.tpp-summary__k { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-summary__v { font: 700 var(--app-theme-font-size-sm)/1.4 var(--app-theme-font-family); overflow-wrap: anywhere; }

/* ---------- Wizard/dialog form kit (README_CSS §2.9) ---------- */
.tpp-field { display: grid; gap: 6px; min-width: 0; }
.tpp-field__label { display: block; font: 700 var(--app-theme-font-size-sm)/1.3 var(--app-theme-font-family); }
.tpp-field__req { color: var(--danger); }
.tpp-field__hint { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-field__err { display: none; color: var(--danger); font-size: var(--app-theme-font-size-xs); font-weight: 700; }
.tpp-field.is-invalid .tpp-field__err { display: block; }
.tpp-field.is-invalid .tpp-input, .tpp-field.is-invalid .tpp-textarea, .tpp-field.is-invalid .tpp-select { border-color: var(--danger); }
.tpp-input, .tpp-select, .tpp-textarea {
  width: 100%; min-height: 46px; padding: 10px 12px;
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  background: var(--bg-panel); color: var(--text-primary);
  font: 400 var(--app-theme-font-size-sm)/1.4 var(--app-theme-font-family);
}
.tpp-textarea { min-height: 120px; resize: vertical; }
.tpp-input:focus, .tpp-select:focus, .tpp-textarea:focus { outline: 0; border-color: var(--accent-primary); box-shadow: var(--tpp-focus-ring); }
.tpp-input[readonly] { background: var(--bg-muted); color: var(--text-secondary); }

/* Custom subject dropdown (WAI combobox) */
.tpp-combo { position: relative; }
.tpp-combo__btn {
  width: 100%; min-height: 46px; padding: 10px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  background: var(--bg-panel); color: var(--text-primary); cursor: pointer;
  font: 400 var(--app-theme-font-size-sm)/1.4 var(--app-theme-font-family); text-align: left;
}
.tpp-combo__btn:focus-visible { outline: 0; border-color: var(--accent-primary); box-shadow: var(--tpp-focus-ring); }
.tpp-field.is-invalid .tpp-combo__btn { border-color: var(--danger); }
.tpp-combo__val { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tpp-combo__chev { flex: 0 0 auto; transition: transform .15s ease; }
.tpp-combo.is-open .tpp-combo__chev { transform: rotate(180deg); }
.tpp-combo__list {
  position: absolute; z-index: 30; top: calc(100% + 4px); left: 0; right: 0;
  margin: 0; padding: 4px; list-style: none;
  background: var(--bg-panel); border: 1px solid var(--border-default);
  border-radius: var(--radius-sm); box-shadow: var(--tpp-shadow-card, 0 12px 32px rgba(15, 23, 42, .16));
  max-height: 260px; overflow-y: auto;
}
.tpp-combo__opt {
  padding: 9px 10px; border-radius: 8px; cursor: pointer;
  font: 400 var(--app-theme-font-size-sm)/1.3 var(--app-theme-font-family);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.tpp-combo__opt:hover, .tpp-combo__opt:focus-visible { background: var(--bg-muted); outline: 0; }
.tpp-combo__opt[aria-selected="true"] { font-weight: 700; color: var(--accent-primary); }
.tpp-combo__opt[aria-selected="true"]::after { content: "✓"; }
@media (prefers-reduced-motion: reduce) { .tpp-combo__chev { transition: none; } }
.tpp-field__foot { display: flex; justify-content: space-between; gap: 10px; }
.tpp-count { color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); font-variant-numeric: tabular-nums; }
.tpp-count.is-over { color: var(--danger); font-weight: 700; }

/* =============================================================
   Responsive
   ============================================================= */
@media (max-width: 1279px) {
  :root { --tpp-rail: 300px; }
}

/* Single column + sticky decision bar. Matches the approved
   /tutor/{id} breakpoint (<=1023px). */
@media (max-width: 1023px) {
  .tpp-body { grid-template-columns: minmax(0, 1fr); }
  .tpp-book { grid-column: 1; grid-row: auto; position: static; }
  .tpp-page { padding-bottom: 84px; }
  .tpp-bar { display: flex; }
}

@media (max-width: 860px) {
  .tpp-about { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .tpp-page { padding-left: 14px; padding-right: 14px; }
  .tpp-shell__in, .tpp-foot__in { padding-left: 14px; padding-right: 14px; }
  .tpp-hero { padding: 18px 16px; border-radius: var(--radius-lg); }
  .tpp-hero__top { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .tpp-avatar, .tpp-skeleton--avatar { width: 64px; height: 64px; border-radius: var(--radius-md); }
  .tpp-avatar--fallback { font-size: 24px; }
  .tpp-hero__meta { gap: 12px 20px; }
  .tpp-hero__offer { flex-direction: column; align-items: stretch; }
  .tpp-next { text-align: left; }
  .tpp-next__v { justify-content: flex-start; }
  .tpp-hero__cta { flex-direction: column; }
  .tpp-hero__cta .app-button { width: 100%; }
  .tpp-owner { grid-template-columns: minmax(0, 1fr); }
  .tpp-owner__acts { justify-content: flex-start; }
  .tpp-owner__acts .app-button { flex: 1 1 auto; }
  .tpp-sample { grid-template-columns: auto minmax(0, 1fr); }
  .tpp-sample .app-button { grid-column: 1 / -1; width: 100%; }
  .tpp-final { padding: 22px 18px; }
  .tpp-final .app-button { width: 100%; }
  .tpp-slots { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
  .tpp-slot { min-height: 60px; }
  .tpp-dialog { width: 100%; max-height: calc(100dvh - 24px); }
  .tpp-dialog__foot { flex-direction: column-reverse; }
  .tpp-dialog__foot .app-button { width: 100%; }
  .tpp-dialog__foot .tpp-foot-left { margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .tpp-skeleton::after { display: none; }
}

/* ---------- Locale tutor directory (/{locale}/tutors/) ---------- */
.tpp-directory .tpp-name { font-size: var(--app-theme-font-size-page-title); }
.tpp-directory__list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.tpp-directory__link {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: center;
  padding: 14px 16px; border: 1px solid var(--border-default); border-radius: var(--tpp-card-radius);
  background: var(--surface-1, var(--bg-app)); color: var(--text-primary); text-decoration: none;
  box-shadow: var(--tpp-shadow-card);
}
.tpp-directory__link:hover { border-color: color-mix(in srgb, var(--accent-primary) 40%, var(--border-default)); }
.tpp-directory__link:focus-visible { outline: none; box-shadow: var(--tpp-focus-ring); }
.tpp-avatar--sm { width: 56px; height: 56px; border-radius: var(--radius-md); }
.tpp-directory__link .tpp-avatar--fallback { color: var(--text-secondary); font-size: 22px; background: var(--border-default); }
.tpp-directory__body { display: grid; gap: 3px; min-width: 0; }
.tpp-directory__name { font: 600 var(--app-theme-font-size-md)/1.3 var(--app-theme-font-family); overflow-wrap: anywhere; }
.tpp-directory__headline { color: var(--text-secondary); font-size: var(--app-theme-font-size-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tpp-directory__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 2px; color: var(--text-secondary); font-size: var(--app-theme-font-size-xs); }
.tpp-directory__price { font-weight: 600; color: var(--text-primary); }