/* chat-thread lab — shared tokens. Warm 72° day, lifted from the live hero +
   chat-tokens.generated.css. Every variant imports this; nothing else is shared. */
.phone{
  /* the lab's names, aliased onto the token system (tokens.css, generated). Declared on the surface root —
     not :root — because the chat/hero/sheet roles they point at only exist there (a var() resolves where it is declared). */
  --font:var(--font-family);
  --hairline:var(--chat-hairline); --muted:var(--chat-text-muted); --muted-2:var(--chat-text-faint);
  --r-bubble:var(--radius-bubble); --r-card:var(--radius-sheet);
  --accent-trend:var(--hero-accent-trend);
  /* the two cloud tones and the night wash are the only local aliases left; glyph and garment colours are primitives now */
  --garment-rain:var(--garment-raincoat); --glyph-cloud:var(--n-20); --glyph-cloud-line:var(--n-50); --night-wash:var(--n-70);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--font-family);-webkit-font-smoothing:antialiased;color:var(--ink-warm);background:var(--n-20)}
body.bare{background:transparent}
/* phone frame — 390×844, the iPhone 15 logical size */
.phone{width:390px;height:844px;margin:24px auto;border-radius:44px;overflow:hidden;position:relative;
  background:var(--hero-bg, var(--n-05));color:var(--hero-ink);box-shadow:0 30px 80px -30px color-mix(in srgb, var(--ink-scrim) 60%, transparent),0 0 0 1px color-mix(in srgb, var(--black) 6%, transparent)}
body.bare .phone{margin:0;border-radius:0;box-shadow:none;width:100%;height:100vh}
.glow{position:absolute;inset:0;background:var(--hero-glow, none);pointer-events:none}
.screen{position:absolute;inset:0;display:flex;flex-direction:column}
.status{height:54px;flex:none}
.topbar{display:flex;align-items:flex-start;justify-content:space-between;padding:8px 24px 0}
.topbar .date{font-size:var(--type-micro-size);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.topbar .place{font-size:var(--type-hero-body-size);font-weight:600;letter-spacing:-.3px;margin-top:4px}
.topbar .place::after{content:" ⌄";color:var(--muted-2);font-weight:400}
.scroll{flex:1;min-height:0;overflow-y:auto;scrollbar-width:none}
.scroll::-webkit-scrollbar{display:none}
/* cloud persona */
.cloud{display:block;width:42px;height:27px;object-fit:contain;filter:drop-shadow(0 3px 4px color-mix(in srgb, var(--ink-scrim) 22%, transparent))}
.cloud.lg{width:150px;height:97px;filter:drop-shadow(0 10px 14px color-mix(in srgb, var(--ink-scrim) 22%, transparent)) drop-shadow(0 2px 3px color-mix(in srgb, var(--ink-scrim) 14%, transparent));animation:float 5.2s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
/* bubbles */
.msg{display:flex;gap:10px;align-items:flex-end;padding:0 18px;margin-top:10px;animation:arrive .38s cubic-bezier(.2,.8,.2,1) both}
.msg.me{justify-content:flex-end}
.msg .av{flex:none;width:42px;height:27px}
.bubble{max-width:290px;padding:11px 14px;border-radius:var(--r-bubble);font-size:var(--type-hero-body-size);line-height:1.42;letter-spacing:-.1px}
.msg.ai .bubble{background:var(--home-bubble-ai);border-bottom-left-radius:6px;color:var(--ink-strong)}
.msg.me .bubble{background:var(--home-bubble-me);color:var(--home-bubble-me-ink);border-bottom-right-radius:6px}
@keyframes arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.typing{display:inline-flex;gap:4px;padding:14px 16px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:dot 1.1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
/* chips + composer */
.chips{display:flex;gap:8px;padding:10px 18px 0;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;font:inherit;font-size:var(--type-body-size);font-weight:500;padding:8px 13px;border-radius:var(--radius-pill);cursor:pointer;
  border:1px solid var(--hairline);background:color-mix(in srgb, var(--white) 45%, transparent);color:var(--ink-strong)}
.chip:active{transform:scale(.97)}
.composer{flex:none;padding:10px 18px 34px}
/* round 1, #5: a bigger field (Waymo) — 60px tall, heroBody text — and the send is the accent, the one "act here" */
.composer form{display:flex;align-items:center;gap:12px;height:var(--composer-h, 80px);padding:0 12px 0 24px;border-radius:var(--radius-sheet);
  background:var(--home-dock, var(--n-00));border:1px solid var(--hairline);backdrop-filter:blur(14px);transition:box-shadow .2s,border-color .2s}
.composer form:focus-within{border-color:var(--n-40);box-shadow:var(--shadow-raised),0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent)}
.composer input{flex:1;border:0;background:transparent;font:inherit;font-size:var(--type-hero-body-size);color:var(--hero-ink);outline:0}
.composer input::placeholder{color:var(--chat-text-faint)}
.composer button{width:56px;height:56px;border-radius:calc(var(--radius-sheet) - 8px);border:0;background:var(--accent);color:var(--chat-text-on-accent, var(--white));cursor:pointer;transition:transform .12s;
  display:grid;place-items:center;font-size:18px}
.composer button{transition:opacity .18s,transform .22s cubic-bezier(.2,.8,.2,1)}
.composer form:not(.has) button{opacity:0;transform:scale(.6);pointer-events:none}
.composer button:active{transform:scale(.94)}
.composer button .lu{width:22px;height:22px;stroke-width:2.2}
/* stat pieces reused by rich cards */
.big{font-size:var(--type-hero-display-unit-size);font-weight:800;letter-spacing:-.04em;line-height:.95;color:var(--accent)}
.big sup{font-size:.42em;font-weight:700;vertical-align:top;top:.35em;position:relative}
.trend{display:flex;align-items:center;gap:6px;font-size:var(--type-hero-sub-size);color:var(--ink-strong)}
.trend b{color:var(--accent-trend);font-weight:650}
.meta{display:flex;gap:14px;font-size:var(--type-body-size);color:var(--muted)}
.verdict{font-size:var(--type-hero-verdict-size);font-weight:var(--type-hero-verdict-weight);letter-spacing:-.7px;line-height:1.14}
.cond{font-size:var(--type-hero-sub-size);color:var(--muted);margin-top:2px}