/* Mechanic AI chat and the post-session review sheet. Primitives: ui.css. */
body.chat-active { background: var(--cg-paper); }
body.chat-active #app-root { background: var(--cg-paper); }

#screen-chat { color: var(--cg-ink); background: var(--cg-paper); }
#screen-chat::before { content: none; }
#screen-chat .app-header { padding: max(12px, env(safe-area-inset-top)) 16px 12px; border-bottom: 1px solid var(--cg-line); background: var(--cg-paper); }
#screen-chat .chat-header-info { gap: 4px; }
#screen-chat .chat-header-model { color: var(--cg-ink); font: 400 20px/1.2 var(--cg-font-display); letter-spacing: 0; }
#screen-chat .chat-header-status { color: var(--cg-ink); font: 500 var(--cg-text-micro)/1.4 var(--cg-font-body); letter-spacing: .09em; }
#screen-chat .chat-header-status::before { width: 6px; height: 6px; border-radius: 50%; background: var(--cg-red); box-shadow: none; }

/* ── Message bubbles ─────────────────────────────────────────────────── */
#screen-chat .msg-bubble { max-width: 84%; border-radius: var(--cg-radius-media); font-family: var(--cg-font-body); font-size: var(--cg-text-body); line-height: 1.6; }
#screen-chat .msg-bubble.user { border-radius: var(--cg-radius-media); background: var(--cg-red); color: var(--cg-paper); font-family: var(--cg-font-body); }
#screen-chat .msg-bubble.bot { border-radius: var(--cg-radius-media); border: 1px solid var(--cg-line); background: none; color: var(--cg-ink); font-family: var(--cg-font-body); }
#screen-chat .msg-bubble.bot strong { color: var(--cg-ink); font-weight: 600; }
#screen-chat .msg-bubble.bot :is(a, a:visited) { color: var(--cg-red); }
#screen-chat .msg-bubble.status { border: 0; background: none; color: var(--cg-ink); font-family: var(--cg-font-body); font-style: normal; letter-spacing: .06em; opacity: .6; }
#screen-chat .msg-bubble.typing { border-radius: var(--cg-radius-media); border: 1px solid var(--cg-line); background: none; }
#screen-chat .msg-bubble.typing span { border-radius: 50%; width: 5px; height: 5px; background: var(--cg-ink); }
#screen-chat .no-manual-msg { border-color: var(--cg-red); }

/* Header: the shared back button sits at top-left, so the title keeps clear of it. */
#screen-chat .app-header { padding-left: 72px; padding-right: 72px; }
/* Centred on the header row; showScreen() pins it with an inline top: 16px. */
#screen-chat > .back-pill-auto { top: calc(max(12px, env(safe-area-inset-top)) - 6px) !important; }
#screen-chat .chat-header-model { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Manual does not match the active bike ───────────────────────────────
   Sits under the header, above the conversation: the rider reads it before
   typing. Red hairline, not a filled alert — this is information, not an
   error the rider caused. */
#screen-chat .manual-fit-note {
  display: grid; gap: var(--cg-space-xs);
  margin: var(--cg-space-sm) 16px 0; padding: var(--cg-space-sm) var(--cg-space-md);
  border: 1px solid var(--cg-red); border-radius: var(--cg-radius); background: var(--cg-red-soft);
}
#screen-chat .manual-fit-note[hidden] { display: none; }
#screen-chat .manual-fit-text { margin: 0; color: var(--cg-ink); font: 400 var(--cg-text-detail)/1.5 var(--cg-font-body); }
#screen-chat .manual-fit-actions { display: flex; flex-wrap: wrap; gap: var(--cg-space-xs); }
#screen-chat .manual-fit-btn {
  min-height: 44px; padding: 0 var(--cg-space-md);
  border: 1px solid var(--cg-line-strong); border-radius: var(--cg-radius); background: var(--cg-paper);
  color: var(--cg-ink); font: 600 var(--cg-text-detail)/1 var(--cg-font-body); cursor: pointer;
}
#screen-chat .manual-fit-btn.is-primary { border-color: var(--cg-red); background: var(--cg-red); color: var(--cg-paper); }
#screen-chat .manual-fit-btn:disabled { border-color: var(--cg-line); background: var(--cg-paper); color: var(--cg-disabled); cursor: default; }

/* ── Empty chat: what to ask and where answers come from ─────────────── */
#screen-chat .chat-empty {
  position: absolute; left: 0; right: 0; bottom: calc(88px + env(safe-area-inset-bottom)); z-index: 1;
  display: grid; gap: var(--cg-space-sm); padding: 0 16px;
}
#screen-chat .messages:not(:empty) ~ .chat-empty { display: none; }
#screen-chat .chat-empty-title { margin: 0; color: var(--cg-ink); font: 400 var(--cg-title-section)/1.1 var(--cg-font-display); letter-spacing: 0; }
#screen-chat .chat-empty-text { margin: 0; max-width: 34em; color: var(--cg-muted); font: 400 var(--cg-text-body)/1.5 var(--cg-font-body); }
/* The returning rider's last job — the one line that opens the conversation. */
#screen-chat .chat-empty-last { margin: 0; max-width: 34em; color: var(--cg-ink); font: 500 var(--cg-text-body)/1.5 var(--cg-font-body); }
#screen-chat .chat-empty-last[hidden] { display: none; }
#screen-chat .chat-empty-chips { display: flex; flex-wrap: wrap; gap: var(--cg-space-xs); margin-top: var(--cg-space-xs); }
#screen-chat .chat-empty-chip {
  min-height: 44px; padding: 0 var(--cg-space-md);
  border: 1px solid var(--cg-line-strong); border-radius: var(--cg-radius); background: var(--cg-paper);
  color: var(--cg-ink); font: 600 var(--cg-text-detail)/1 var(--cg-font-body); cursor: pointer;
}

/* ── Under an answer: pages, source badge, video, feedback, booking ──── */
#screen-chat .manual-pages { margin-top: var(--cg-space-sm); }
#screen-chat .manual-pages-gallery { margin-top: 0; }
#screen-chat .manual-page-img { height: 140px; border: 1px solid var(--cg-line); border-radius: var(--cg-radius-sm); box-shadow: none; }
#screen-chat .manual-page-img:hover { transform: none; box-shadow: none; border-color: var(--cg-ink); }
#screen-chat .manual-pages-meta { margin-top: var(--cg-space-2xs); padding-top: 0; border-top: 0; color: var(--cg-muted); font: 400 var(--cg-text-caption)/1.4 var(--cg-font-body); letter-spacing: 0; }
#screen-chat .answer-badge {
  display: flex; width: fit-content; max-width: 100%; margin-top: var(--cg-space-sm); padding: 6px 10px;
  border: 1px solid var(--cg-line-strong); border-radius: var(--cg-radius-caption); background: none;
  color: var(--cg-ink); font: 500 var(--cg-text-small)/1.4 var(--cg-font-body); letter-spacing: 0;
}
#screen-chat .answer-badge--experience { border-style: dashed; color: var(--cg-muted); }
#screen-chat .answer-badge--check { border-color: var(--cg-red); color: var(--cg-red); }
#screen-chat .yt-nudge {
  gap: var(--cg-space-sm); margin-top: var(--cg-space-sm); padding: 10px 12px;
  border: 1px solid var(--cg-line); border-radius: var(--cg-radius-sm); background: none;
}
#screen-chat .yt-nudge:active { background: var(--cg-surface-soft); border-color: var(--cg-line-strong); }
#screen-chat .yt-nudge::before { width: 32px; height: 32px; border-radius: var(--cg-radius-caption); background: var(--cg-red); color: var(--cg-paper); }
#screen-chat .yt-nudge-label { color: var(--cg-muted); font: 500 var(--cg-text-micro)/1.4 var(--cg-font-body); letter-spacing: .08em; }
#screen-chat .yt-nudge-title { color: var(--cg-ink); font: 600 var(--cg-text-detail)/1.4 var(--cg-font-body); }
#screen-chat .answer-feedback-row { gap: var(--cg-space-xs); margin-top: var(--cg-space-sm); }
#screen-chat .answer-feedback-btn {
  min-width: 44px; min-height: 36px; padding: 0 var(--cg-space-sm);
  border: 1px solid var(--cg-line); border-radius: var(--cg-radius); background: none; font-size: var(--cg-text-body);
}
#screen-chat .answer-feedback-btn.selected { border-color: var(--cg-ink); background: var(--cg-surface-soft); }
#screen-chat .answer-feedback-row { align-items: center; }
#screen-chat .chat-book-cta {
  display: inline-flex; flex-direction: row; align-items: center; justify-content: flex-end; width: auto; min-height: 36px; margin: 0 0 0 auto; padding: 0 var(--cg-space-2xs);
  border: 0; border-radius: var(--cg-radius); background: none;
  color: var(--cg-red); font: 600 var(--cg-text-detail)/1.3 var(--cg-font-body); text-align: right;
}
#screen-chat .chat-book-cta:active { background: var(--cg-surface-soft); }

/* ── Input bar ───────────────────────────────────────────────────────── */
#screen-chat .chat-form { margin: 0 16px max(16px, env(safe-area-inset-bottom)); padding: 6px 6px 6px 16px; border: 1px solid var(--cg-ink); border-radius: var(--cg-radius-media); background: var(--cg-paper); backdrop-filter: none; -webkit-backdrop-filter: none; box-shadow: none; }
#screen-chat .chat-form:focus-within { background: var(--cg-paper); border-color: var(--cg-red); }
#screen-chat .chat-input { color: var(--cg-ink); font-family: var(--cg-font-body); font-size: var(--cg-text-lead); caret-color: var(--cg-red); }
#screen-chat .chat-input:focus-visible { outline: none !important; }
#screen-chat .chat-input::placeholder { color: color-mix(in srgb, var(--cg-ink) 50.20%, transparent); }
#screen-chat .btn-send { width: 44px; height: 44px; min-width: 44px; border-radius: var(--cg-radius); background: var(--cg-red); color: var(--cg-paper); box-shadow: none; }
#screen-chat .btn-send:active { transform: scale(.96); opacity: 1; }
#screen-chat .btn-send svg { width: 18px; height: 18px; }

/* ── Post-session review sheet ───────────────────────────────────────── */
#review-overlay { background: color-mix(in srgb, var(--cg-ink) 60.00%, transparent); backdrop-filter: none; -webkit-backdrop-filter: none; }
#review-overlay .bottom-sheet { --cg-focus: var(--cg-ink); border: 0; border-top: 4px solid var(--cg-red); border-radius: var(--cg-radius-media) var(--cg-radius-media) 0 0; background: var(--cg-paper); color: var(--cg-ink); }
#review-overlay .sheet-handle { display: none; }
#review-overlay .review-sheet-content { align-items: stretch; gap: 18px; padding: 28px 24px max(28px, env(safe-area-inset-bottom)); }
#review-overlay .review-eyebrow { color: var(--cg-ink); font: 500 var(--cg-text-micro)/1.5 var(--cg-font-body); letter-spacing: .09em; }
#review-overlay .review-title { margin: -10px 0 0; color: var(--cg-ink); font: 400 36px/1 var(--cg-font-display); letter-spacing: 0; }
#review-overlay .review-question { margin: -8px 0 0; color: var(--cg-ink); font: 500 var(--cg-text-lead)/1.4 var(--cg-font-body); }
#review-overlay .review-discount-status { padding: 10px 12px; border: 1px solid var(--cg-red); border-radius: var(--cg-radius-sm); background: none; color: var(--cg-red); font: 600 var(--cg-text-caption)/1.5 var(--cg-font-body); letter-spacing: .06em; }
#review-overlay .review-stars { gap: 10px; }
#review-overlay .review-star { min-width: 44px; min-height: 44px; padding: 0; color: var(--cg-line); font-size: 34px; }
#review-overlay :is(.review-star.active, .review-star.hover) { color: var(--cg-red); transform: none; }
#review-overlay .review-comment-label { display: flex; justify-content: space-between; margin-bottom: -10px; color: var(--cg-ink); font: 600 var(--cg-text-caption)/1.4 var(--cg-font-body); letter-spacing: .06em; }
#review-overlay .review-comment-label span { color: color-mix(in srgb, var(--cg-ink) 50.20%, transparent); font-weight: 500; }
#review-overlay .review-comment { padding: 12px 14px; border: 1px solid var(--cg-line-strong); border-radius: var(--cg-radius); background: none; color: var(--cg-ink); font: 400 var(--cg-text-body)/1.6 var(--cg-font-body); }
#review-overlay .review-comment::placeholder { color: color-mix(in srgb, var(--cg-ink) 50.20%, transparent); }
#review-overlay .review-voice-controls { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
#review-overlay .review-voice-controls.hidden { display: none; }
#review-overlay .review-voice-btn,
#review-overlay .review-voice-clear { min-height: 48px; border: 1px solid var(--cg-ink); border-radius: var(--cg-radius); background: none; color: var(--cg-ink); font: 600 var(--cg-text-caption)/1.4 var(--cg-font-body); letter-spacing: .06em; }
#review-overlay .review-voice-btn { display: flex; align-items: center; justify-content: center; gap: 8px; touch-action: none; }
#review-overlay .review-voice-icon { width: 22px; height: 22px; }
#review-overlay .review-voice-icon svg { width: 100%; height: 100%; fill: currentColor; }
#review-overlay .review-voice-btn.is-listening { border-color: var(--cg-red); background: var(--cg-red); color: var(--cg-paper); }
#review-overlay .review-voice-btn.is-listening .review-voice-icon { animation: review-pulse 900ms ease-in-out infinite alternate; }
#review-overlay .review-voice-clear { padding: 0 12px; color: var(--cg-red); border-color: var(--cg-red); }
#review-overlay .review-voice-clear.hidden { display: none; }
#review-overlay .review-voice-status { min-height: 18px; margin-top: -12px; color: color-mix(in srgb, var(--cg-ink) 62%, transparent); font: 500 var(--cg-text-caption)/1.4 var(--cg-font-body); }
#review-overlay .review-submit-btn { min-height: 56px; padding: 16px 24px; border: 0; border-radius: var(--cg-radius-button); background: var(--cg-red); color: var(--cg-paper); font: 600 var(--cg-text-control)/1.4 var(--cg-font-body); letter-spacing: 0; }
#review-overlay .review-submit-btn:disabled { opacity: .45; }
#review-overlay .review-cancel-btn { min-height: 44px; color: var(--cg-ink); font: 500 var(--cg-text-small)/1.4 var(--cg-font-body); letter-spacing: .06em; }

@keyframes review-pulse { to { transform: scale(1.15); } }

/* ── Zippy: the canvas keeps itself; only the exit control joins the kit ── */
#screen-zippy #btn-close-zippy { border-radius: var(--cg-radius); border: 1px solid var(--cg-inverse-line-strong); background: none; color: var(--cg-paper); }

@media (hover:hover) and (pointer:fine) {
  #screen-chat .btn-send:hover { filter: brightness(.92); }
  #review-overlay .review-star:hover { color: var(--cg-red); }
}
@media (min-width:800px) {
  #screen-chat .messages { max-width: var(--cg-content-width); margin: 0 auto; width: 100%; }
  #screen-chat .chat-form { max-width: 720px; margin-left: auto; margin-right: auto; }
}