@import url('https://cdn.jsdelivr.net/npm/@fontsource-variable/inter@5.1.1/index.min.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/jetbrains-mono@5.1.1/400.min.css');
/* ============================================================================
   Bonsai Swarm — visual identity
   Deep forest at night: near-black greens, jade light, a warm coin gold.
   Dark first, with a real daylight theme. One stylesheet, no build step.
   ========================================================================== */

:root {
  color-scheme: dark;

  /* palette --------------------------------------------------------------- */
  --jade:        #4ade9b;
  --jade-deep:   #0f7a4d;
  --jade-dim:    rgba(74, 222, 155, .14);
  --gold:        #ffc751;
  --gold-soft:   rgba(255, 199, 81, .16);
  --violet:      #a78bfa;
  --rose:        #fb7185;
  --sky:         #56ccf2;

  --bg:          #070b0a;
  --bg-2:        #0b100f;
  --panel:       rgba(255, 255, 255, .034);
  --panel-2:     rgba(255, 255, 255, .055);
  --line:        rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .17);

  --ink:         #eef4f1;
  --ink-2:       #b9c6c0;
  --ink-3:       #7e8e88;

  --shadow:      0 24px 60px -24px rgba(0, 0, 0, .85);
  --glow-jade:   0 0 0 1px rgba(74, 222, 155, .28), 0 12px 40px -12px rgba(74, 222, 155, .35);
  --glow-gold:   0 0 0 1px rgba(255, 199, 81, .35), 0 10px 34px -10px rgba(255, 199, 81, .5);

  --r-sm: 8px; --r: 14px; --r-lg: 20px; --r-xl: 28px;
  --ui: 'Inter Variable', 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Mono', Consolas, monospace;
  --maxw: 1120px;
}
:root { --card-shadow: none; --header-h: 62px; }

html[data-theme='light'] {
  color-scheme: light;
  --bg:          #f6f6f3;
  --bg-2:        #ffffff;
  --panel:       #ffffff;
  --panel-2:     #f4f4f1;
  --line:        rgba(12, 32, 24, .09);
  --line-strong: rgba(12, 32, 24, .2);
  --ink:         #0d1a15;
  --ink-2:       #3c5149;
  --ink-3:       #6d827a;
  --jade:        #0f9d63;
  --jade-dim:    rgba(15, 157, 99, .12);
  --gold:        #b9791a;
  --gold-soft:   rgba(185, 121, 26, .14);
  --shadow:      0 10px 30px -18px rgba(11, 40, 28, .3);
  --card-shadow: 0 1px 2px rgba(12, 32, 24, .05);
  --glow-jade:   0 0 0 1px rgba(15, 157, 99, .3), 0 12px 30px -14px rgba(15, 157, 99, .35);
  --glow-gold:   0 0 0 1px rgba(185, 121, 26, .35), 0 10px 28px -12px rgba(185, 121, 26, .4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { display: flex; flex-direction: column; min-height: 100dvh; }
main { flex: 1 0 auto; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 15.5px;
  line-height: 1.62;
  letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* two soft light sources: jade from the top left, gold from the right */
  background-image:
    radial-gradient(1200px 620px at 12% -8%, rgba(74, 222, 155, .10), transparent 60%),
    radial-gradient(900px 520px at 88% 4%, rgba(255, 199, 81, .07), transparent 62%);
  background-attachment: fixed;
}
html[data-theme='light'] .hero h1 .grad {
  background: linear-gradient(103deg, var(--jade) 6%, #b45309 92%);
  -webkit-background-clip: text; background-clip: text;
}
html[data-theme='light'] body {
  background-image:
    radial-gradient(1100px 560px at 10% -10%, rgba(15, 157, 99, .12), transparent 60%),
    radial-gradient(900px 480px at 90% 0%, rgba(185, 121, 26, .08), transparent 62%);
}

a { color: var(--jade); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code, pre, .mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }
::selection { background: var(--jade-dim); }

/* ---------------------------------------------------------------- layout */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; width: 100%; }
.narrow > * { max-width: 74ch; }
main { padding-bottom: 40px; }
section { position: relative; }

h1 {
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 640;
  margin: 0 0 18px;
}
h2 { font-size: clamp(21px, 2.4vw, 27px); letter-spacing: -.024em; font-weight: 620; margin: 40px 0 14px; }
h3 { font-size: 16.5px; letter-spacing: -.012em; font-weight: 600; margin: 0 0 6px; }
p { margin: 0 0 14px; }
p.lead { font-size: clamp(16px, 1.9vw, 19px); color: var(--ink-2); max-width: 62ch; }
.muted { color: var(--ink-3); }
.small { font-size: 13.2px; }
.tiny { font-size: 11.8px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.center { text-align: center; }

/* ---------------------------------------------------------------- header */
header.site {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; gap: 18px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; flex: none; font-weight: 640; letter-spacing: -.02em; color: var(--ink); font-size: 16.5px; }
.brand:hover { text-decoration: none; }
.brand svg { width: 26px; height: 26px; flex: none; }
nav.main { display: flex; gap: 4px; margin-left: auto; align-items: center; flex-wrap: nowrap; }
nav.main a.nav {
  color: var(--ink-2); font-size: 14px; padding: 7px 11px; border-radius: 999px; font-weight: 500;
  transition: color .16s, background .16s;
}
nav.main a.nav:hover { color: var(--ink); background: var(--panel); text-decoration: none; }
nav.main a.nav.active {
  color: var(--jade);
  background: var(--jade-dim);
  box-shadow: inset 0 -2px 0 var(--jade);
}
.nav-toggle { display: none; }
.sheet {
  position: fixed; inset: var(--header-h) 0 auto; z-index: 39;
  background: var(--bg-2); border-bottom: 1px solid var(--line);
  padding: 10px 16px 16px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 2px;
}
.sheet a { color: var(--ink); padding: 12px 8px; border-radius: 10px; font-size: 15.5px; }
.sheet a.active { color: var(--jade); background: var(--jade-dim); }
.sheet[hidden] { display: none; }

/* wallet chip in the header ------------------------------------------------ */
.wallet {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 13px 6px 9px; border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, var(--gold-soft), transparent 70%);
  font-weight: 640; font-size: 14px; color: var(--ink);
  position: relative; transition: transform .18s cubic-bezier(.2,.9,.3,1.4), box-shadow .3s;
}
.wallet:hover { text-decoration: none; }
.wallet .coin-ico { width: 17px; height: 17px; flex: none; }
.wallet .num { font-variant-numeric: tabular-nums; }
.wallet.pop { transform: scale(1.14); box-shadow: var(--glow-gold); }
.wallet.spend { animation: walletShake .42s ease; }
@keyframes walletShake { 25% { transform: translateX(-3px); } 55% { transform: translateX(3px); } 100% { transform: none; } }

/* ---------------------------------------------------------------- pieces */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  position: relative;
  box-shadow: var(--card-shadow);
}
html[data-theme='light'] .card .card,
html[data-theme='light'] .card .stat,
html[data-theme='light'] .card .notice { background: var(--panel-2); box-shadow: none; }
.card.raised { box-shadow: var(--shadow); background: var(--panel-2); }
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .cols-3 { grid-template-columns: repeat(2, 1fr); } }
/* hero tiles: the three numbers a page actually wants you to read */
.stat.hero-tile { padding: 22px 20px; }
.stat.hero-tile .v { font-size: clamp(30px, 4vw, 46px); }
.stat.hero-tile .k { font-size: 13px; }
.cols-4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 6px; }

.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 11px; border-radius: 999px; font-size: 12.4px; font-weight: 560;
  border: 1px solid var(--line-strong); color: var(--ink-2); background: var(--panel);
}
.pill.jade { color: var(--jade); border-color: color-mix(in srgb, var(--jade) 45%, transparent); background: var(--jade-dim); }
.pill.gold { color: var(--gold); border-color: color-mix(in srgb, var(--gold) 45%, transparent); background: var(--gold-soft); }
.pill.rose { color: var(--rose); border-color: color-mix(in srgb, var(--rose) 45%, transparent); }

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-3); flex: none; }
.dot.on { background: var(--jade); box-shadow: 0 0 0 4px var(--jade-dim); animation: breathe 2.6s ease-in-out infinite; }
.dot.busy { background: var(--gold); box-shadow: 0 0 0 4px var(--gold-soft); animation: breathe 1.1s ease-in-out infinite; }
.dot.bad { background: var(--rose); }
@keyframes breathe { 50% { opacity: .45; } }

/* stat tiles --------------------------------------------------------------- */
.stat {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel); padding: 15px 16px;
  display: flex; flex-direction: column; gap: 2px;
}
.stat .v { font-variant-numeric: tabular-nums; letter-spacing: -.02em; font-size: clamp(20px, 2.6vw, 27px); font-weight: 600; letter-spacing: -.03em; line-height: 1.15; }
.stat .k { font-size: 12.2px; color: var(--ink-3); letter-spacing: .01em; }
.stat.accent .v { color: var(--jade); }
.stat.coin .v { color: var(--gold); }

/* buttons ------------------------------------------------------------------ */
button, .btn {
  font: inherit; font-weight: 560; cursor: pointer;
  border-radius: 999px; padding: 10px 19px;
  border: 1px solid var(--line-strong);
  background: var(--panel-2); color: var(--ink);
  transition: transform .12s, background .16s, border-color .16s, box-shadow .2s;
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
}
button:hover, .btn:hover { background: var(--panel); border-color: var(--ink-3); text-decoration: none; transform: translateY(-1px); }
button:active, .btn:active { transform: translateY(0); }
button:disabled, .btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; }
button:focus-visible, .btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--jade); outline-offset: 2px;
}
.primary, button.primary {
  background: linear-gradient(135deg, var(--jade), var(--jade-deep));
  color: #04170e; border-color: transparent; font-weight: 640;
  box-shadow: 0 10px 30px -14px color-mix(in srgb, var(--jade) 80%, transparent);
}
.primary:hover { background: linear-gradient(135deg, var(--jade), var(--jade)); }
html[data-theme='light'] .primary {
  color: #fff;
  background: #0d7a4d;                 /* solid, ~5.5:1 on white - the gradient washed out */
  box-shadow: 0 8px 22px -14px rgba(13, 122, 77, .8);
}
html[data-theme='light'] .primary:hover { background: #0a6641; }
/* a disabled primary must not look like a pale enabled one */
button:disabled, .btn[disabled] { filter: saturate(.18) contrast(.9); box-shadow: none; }
.ghost { background: transparent; }
.btn-sm { padding: 6px 13px; font-size: 13.4px; }
.icon-btn { padding: 7px; border-radius: 10px; line-height: 0; }

/* forms -------------------------------------------------------------------- */
input[type=text], input[type=password], input[type=number], input[type=search], textarea, select {
  font: inherit; color: var(--ink);
  background: var(--bg-2); border: 1px solid var(--line-strong);
  border-radius: var(--r-sm); padding: 10px 13px; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
html[data-theme='light'] input, html[data-theme='light'] textarea { background: #fff; }
input:focus, textarea:focus { border-color: var(--jade); box-shadow: 0 0 0 3px var(--jade-dim); outline: none; }
label { display: block; font-size: 13px; color: var(--ink-2); margin: 0 0 6px; font-weight: 520; }
.field + .field { margin-top: 14px; }

/* notices ------------------------------------------------------------------ */
.notice { border-radius: var(--r); padding: 14px 16px; border: 1px solid var(--line-strong); background: var(--panel); font-size: 14px; }
.notice b { color: var(--ink); }
.notice.danger {
  border: 1px solid color-mix(in srgb, var(--gold) 40%, transparent);
  border-left: 3px solid var(--gold);
  background: var(--gold-soft);
}
.notice.warn { border-color: color-mix(in srgb, var(--gold) 42%, transparent); background: var(--gold-soft); }
.notice.info { border-color: color-mix(in srgb, var(--sky) 38%, transparent); background: color-mix(in srgb, var(--sky) 8%, transparent); }
.notice ul { margin: 8px 0 0; padding-left: 20px; }
.notice li + li { margin-top: 5px; }
.error { color: var(--rose); }
.ok { color: var(--jade); }

/* progress bar ------------------------------------------------------------- */
.bar { height: 8px; border-radius: 999px; background: var(--panel-2); overflow: hidden; border: 1px solid var(--line); }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--jade-deep), var(--jade)); transition: width .4s ease; }

/* tables ------------------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11.6px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; padding: 0 10px 9px; }
td { padding: 9px 10px; border-top: 1px solid var(--line); vertical-align: top; }
tbody tr:hover { background: var(--panel); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* footer ------------------------------------------------------------------- */
footer.site { border-top: 1px solid var(--line); margin-top: 72px; padding: 30px 0 44px; color: var(--ink-3); font-size: 13.4px; }
footer.site .wrap { display: flex; gap: 14px 18px; flex-wrap: wrap; align-items: center; }
footer.site a { white-space: nowrap; }
footer.site a { color: var(--ink-3); }
footer.site a:hover { color: var(--ink); }

/* ============================================================ gamification */

/* rolling number ----------------------------------------------------------- */
.roll { display: inline-block; transition: transform .2s ease; }
.roll.bump { animation: rollBump .45s cubic-bezier(.2,.9,.3,1.4); }
@keyframes rollBump { 0% { transform: translateY(0) scale(1); } 35% { transform: translateY(-4px) scale(1.12); color: var(--gold); } 100% { transform: none; } }

/* flying coins ------------------------------------------------------------- */
.coin-fly {
  position: fixed; z-index: 90; width: 22px; height: 22px; pointer-events: none;
  will-change: transform, opacity;
  filter: drop-shadow(0 4px 10px rgba(255, 199, 81, .55));
}
.coin-burst-origin { position: relative; }

/* level ring --------------------------------------------------------------- */
.ring { --p: 0; width: 108px; height: 108px; flex: none; position: relative; display: grid; place-items: center; }
.ring::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  /* an empty track reads as "nothing earned yet"; a 3% stub read as a rendering bug */
  background: conic-gradient(var(--jade) calc(var(--p) * 1%), var(--panel-2) 0);
  box-shadow: 0 0 22px -6px color-mix(in srgb, var(--jade) 55%, transparent);
  mask: radial-gradient(farthest-side, transparent calc(100% - 9px), #000 calc(100% - 8px));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 9px), #000 calc(100% - 8px));
  transition: background .6s ease;
}
.ring .lvl { font-variant-numeric: tabular-nums; font-size: 28px; font-weight: 620; line-height: 1; }
.ring .lbl { font-size: 11px; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; }

/* achievements ------------------------------------------------------------- */
.badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) { .badges { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .badges { grid-template-columns: repeat(2, 1fr); } }
.badge {
  border: 1px solid var(--line); border-radius: var(--r); padding: 14px 12px;
  background: var(--panel); text-align: center; position: relative; overflow: hidden;
  transition: transform .18s, border-color .18s;
}
.badge { min-height: 132px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; }
.badge .ico { font-size: 27px; line-height: 1.2; opacity: .3; transition: opacity .3s, filter .3s; }
.badge .nm { font-size: 13px; font-weight: 600; margin-top: 4px; color: var(--ink-3); }
.badge .ht {
  font-size: 11.4px; color: var(--ink-3); margin-top: 3px; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.badge.got {
  border-color: color-mix(in srgb, var(--gold) 55%, transparent);
  background: linear-gradient(165deg, color-mix(in srgb, var(--gold) 26%, transparent), color-mix(in srgb, var(--gold) 7%, transparent));
  box-shadow: 0 4px 18px -8px color-mix(in srgb, var(--gold) 70%, transparent);
}
.badge.got .ico { opacity: 1; }
.badge.got .nm { color: var(--ink); }
.badge.got::after {
  content: ''; position: absolute; inset: -40% -120%; pointer-events: none;
  background: linear-gradient(105deg, transparent 42%, rgba(255,255,255,.22) 50%, transparent 58%);
  animation: sheen 5.5s ease-in-out infinite;
}
@keyframes sheen { 0%, 72% { transform: translateX(-70%); } 88%, 100% { transform: translateX(70%); } }
.badge:hover { transform: translateY(-2px); }

/* toast -------------------------------------------------------------------- */
#toasts {
  position: fixed; right: 24px; bottom: 24px;
  z-index: 100; display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
  pointer-events: none; width: min(360px, calc(100vw - 32px));
}
.toast {
  display: flex; gap: 12px; align-items: center;
  border-radius: var(--r); padding: 13px 17px; max-width: 340px;
  background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  border: 1px solid var(--line-strong); box-shadow: var(--shadow);
  animation: toastIn .45s cubic-bezier(.2,.9,.3,1.35);
  backdrop-filter: blur(10px);
  width: 100%;
}
.toast.gold { border-color: color-mix(in srgb, var(--gold) 50%, transparent); box-shadow: var(--glow-gold); }
.toast .ico { font-size: 25px; }
.toast .t { font-weight: 640; font-size: 14.4px; }
.toast .s { font-size: 12.6px; color: var(--ink-3); }
.toast.out { animation: toastOut .3s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(16px) scale(.94); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(8px) scale(.97); } }

/* streak flames ------------------------------------------------------------ */
.streak { display: inline-flex; align-items: baseline; gap: 6px; font-weight: 640; }
.streak .n { font-variant-numeric: tabular-nums; font-size: 22px; font-weight: 700; color: var(--gold); }

/* ---------------------------------------------------------------- hero */
.hero { padding: clamp(48px, 9vw, 104px) 0 26px; position: relative; }
#swarm-canvas {
  position: absolute; inset: -20px 0 auto; width: 100%; height: 420px;
  z-index: -1; opacity: .75; pointer-events: none;
  mask-image: linear-gradient(180deg, #000 30%, transparent 96%);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 96%);
}
.hero h1 .grad {
  background: linear-gradient(103deg, var(--jade) 12%, var(--gold) 92%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------------------------------------------------------------- chat */
.chat-shell { display: grid; grid-template-columns: 250px 1fr; gap: 18px; align-items: start; }
.convs { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--panel); padding: 10px; position: sticky; top: 78px; }
.conv { padding: 9px 11px; border-radius: 10px; cursor: pointer; font-size: 13.6px; color: var(--ink-2); display: flex; gap: 8px; align-items: center; }
.conv:hover { background: var(--panel-2); color: var(--ink); }
.conv.active { background: var(--jade-dim); color: var(--ink); }
.conv .x { margin-left: auto; opacity: 0; font-size: 15px; color: var(--ink-3); }
.conv:hover .x { opacity: 1; }

.thread {
  min-height: 42vh; display: flex; flex-direction: column; gap: 26px;
  padding: 6px 2px 10px; max-width: 720px;
}
.msg { display: flex; gap: 13px; }
.msg.user .body {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 4px 14px 14px 14px; padding: 10px 15px;
}
html[data-theme='light'] .msg.user .body { background: #fff; }
.msg .av {
  width: 30px; height: 30px; border-radius: 9px; flex: none; display: grid; place-items: center;
  font-size: 13px; font-weight: 640; background: var(--panel-2); border: 1px solid var(--line);
}
.msg.user .av { background: var(--jade-dim); color: var(--jade); }
.msg.assistant .av { background: var(--gold-soft); color: var(--gold); }
.msg .body { min-width: 0; flex: 1; }
.msg .body > :first-child { margin-top: 0; }
.msg .body pre {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 13px 15px; overflow-x: auto; font-size: 13.2px; line-height: 1.55;
}
.msg .body code { background: var(--panel-2); padding: 1.5px 5px; border-radius: 5px; font-size: .92em; }
.msg .body pre code { background: none; padding: 0; }
.msg .meta { font-size: 11.8px; color: var(--ink-3); margin-top: 7px; display: flex; gap: 12px; flex-wrap: wrap; }
.msg .cursor { display: inline-block; width: 8px; height: 1.05em; translate: 0 2px; background: var(--jade); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

details.think { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 8px 12px; margin: 0 0 12px; background: var(--panel); }
details.think summary { cursor: pointer; font-size: 12.6px; color: var(--ink-3); list-style: none; }
details.think summary::-webkit-details-marker { display: none; }
details.think summary::before { content: '▸ '; }
details.think[open] summary::before { content: '▾ '; }
details.think .txt { font-size: 13px; color: var(--ink-3); white-space: pre-wrap; margin-top: 8px; }

.composer {
  position: sticky; bottom: 0; padding: 14px 0 18px; max-width: 720px;
  background: linear-gradient(180deg, transparent, var(--bg) 24%);
}
.composer .box {
  border: 1px solid var(--line-strong); border-radius: var(--r-lg); background: var(--bg-2);
  padding: 10px 10px 10px 16px; display: flex; gap: 10px; align-items: flex-end;
  box-shadow: var(--shadow); transition: border-color .15s, box-shadow .2s;
}
.composer .box:focus-within { border-color: var(--jade); box-shadow: var(--glow-jade); }
.composer textarea {
  border: 0; background: none; padding: 7px 0; resize: none; max-height: 220px; box-shadow: none;
}
.composer textarea:focus { box-shadow: none; }

/* ---------------------------------------------------------------- misc */
.log-line { font-family: var(--mono); font-size: 12.3px; color: var(--ink-3); padding: 2px 0; }
.log-line.error { color: var(--rose); }
.scroll-y { max-height: 330px; overflow-y: auto; }
.scroll-y::-webkit-scrollbar { width: 9px; }
.scroll-y::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 9px; }

.kbd {
  font-family: var(--mono); font-size: 11.5px; padding: 2px 6px; border-radius: 5px;
  border: 1px solid var(--line-strong); background: var(--panel-2); color: var(--ink-2);
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .chat-shell { grid-template-columns: 1fr; }
  .convs { position: static; }
}
@media (max-width: 760px) {
  body { font-size: 15px; }
  :root { --header-h: 58px; }
  .wrap { padding: 0 16px; }
  header.site .wrap { gap: 10px; }
  .brand span { display: none; }              /* the mark alone, never a wrapped wordmark */
  nav.main a.nav { display: none; }           /* everything moves into the sheet */
  .nav-toggle { display: inline-flex; }
  .wallet { padding: 6px 11px 6px 8px; font-size: 13.5px; }
  .card { padding: 17px; border-radius: var(--r); }
  .hero { padding-top: 30px; }
  .hero h1 { font-size: 31px; line-height: 1.12; }
  .hero .row .btn { width: 100%; justify-content: center; }
  .ring { width: 88px; height: 88px; }
  .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .stat .v { font-size: 22px; }
  .stat.hero-tile .v { font-size: 28px; }
  .composer .box { flex-wrap: wrap; padding: 10px 12px; }
  .composer textarea { flex: 1 1 100%; }
  .composer .box button { flex: 1; justify-content: center; }
  .thread { scroll-margin-top: calc(var(--header-h) + 10px); }
  #toasts { right: 16px; left: 16px; bottom: 16px; width: auto; align-items: stretch; }
  .card > .row > button, .card > .row > .btn { flex: 1 1 100%; justify-content: center; }
  table.compact-sm th:nth-child(n+5), table.compact-sm td:nth-child(n+5) { display: none; }
}
@media (max-width: 420px) {
  .cols-3, .cols-4, .badges { grid-template-columns: repeat(2, 1fr); }
}

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