/* Bounty Board — "The Ledger".
   A vintage bounty-poster / financial-ledger aesthetic on warm paper:
   engraved display serif, characterful grotesk UI, tabular mono numerals,
   hairline double-rules, stamped badges, paper grain. Hand-written CSS, no
   framework (§2.2). Design tokens below are the exact §10 values. */

/* ---- self-hosted variable fonts (no build step, CSP: font-src 'self') ---- */
@font-face {
  font-family: "Fraunces";
  src: url("/static/fonts/Fraunces-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/static/fonts/SchibstedGrotesk-var.woff2") format("woff2");
  font-weight: 400 900;
  font-display: swap;
}
@font-face {
  font-family: "Spline Sans Mono";
  src: url("/static/fonts/SplineSansMono-var.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}

/* ---- design tokens — "Y2K dither" rework (user-requested deviation from
   the §10 beige): paper-white ground, brown ink everywhere, ordered-dither
   halftone textures, hard offset shadows. Structure and radius unchanged. */
:root[data-theme=light] {
  --bg:#ffffff; --surface:#fdfbf6; --surface2:#f2e9d8; --border:#a88452;
  --text:#33230e; --muted:#7c6647; --accent:#7a4a14; --accent-contrast:#fff;
  --ok:#2e6b3c; --warn:#955d0e; --err:#9c3a2e; --radius:2px;
}
:root[data-theme=dark] {
  --bg:#171209; --surface:#221a0e; --surface2:#2e2414; --border:#7c5f33;
  --text:#f3e8d2; --muted:#b59c74; --accent:#d9a548; --accent-contrast:#241606;
  --ok:#7fb78a; --warn:#d9a44a; --err:#d97b6c; --radius:2px;
}

/* derived, theme-aware atmosphere */
:root {
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Schibsted Grotesk", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, monospace;
  --hairline: 1px solid var(--border);
}
:root[data-theme=light] {
  /* Y2K hard offset shadow, no blur */
  --ink-shadow: 3px 3px 0 color-mix(in srgb, var(--border) 45%, transparent);
  --ink-shadow-lift: 5px 5px 0 color-mix(in srgb, var(--border) 55%, transparent);
  /* ordered-dither tile: sparse diagonal brown pixels on transparent */
  --dither: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='1' height='1' x='0' y='0' fill='%237a4a14'/%3E%3Crect width='1' height='1' x='2' y='2' fill='%237a4a14'/%3E%3C/svg%3E");
  --dither-dense: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2' height='2'%3E%3Crect width='1' height='1' x='0' y='0' fill='%237a4a14'/%3E%3C/svg%3E");
}
:root[data-theme=dark] {
  --ink-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
  --ink-shadow-lift: 5px 5px 0 rgba(0, 0, 0, 0.65);
  --dither: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='1' height='1' x='0' y='0' fill='%23d9a548'/%3E%3Crect width='1' height='1' x='2' y='2' fill='%23d9a548'/%3E%3C/svg%3E");
  --dither-dense: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2' height='2'%3E%3Crect width='1' height='1' x='0' y='0' fill='%23d9a548'/%3E%3C/svg%3E");
}

/* ---- base ---- */
* { box-sizing: border-box; }
/* author display rules (flex etc.) must never defeat the hidden attribute */
[hidden] { display: none !important; }
html { font-size: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  letter-spacing: 0.005em;
}
/* dithered poster band fading from the masthead into the white page */
body::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 220px;
  z-index: -1;
  pointer-events: none;
  background-image: var(--dither);
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(#000, transparent);
  mask-image: linear-gradient(#000, transparent);
}
::selection { background: var(--accent); color: var(--accent-contrast); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.005em;
  margin: 0 0 16px;
}
h1 { font-size: 2.1rem; }
h1::after {
  content: "";
  display: block;
  width: 88px; height: 8px;
  margin-top: 10px;
  background-image: var(--dither-dense);
  border-bottom: 2px solid var(--accent);
}
h2 { font-size: 1.25rem; }
h3 { font-size: 1.02rem; }
code, pre { font-family: var(--font-mono); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* numerals everywhere read like a ledger */
table, .badge, input[type=number] { font-variant-numeric: tabular-nums; }

/* ---- layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 32px 16px 64px; }
.narrow { max-width: 460px; }

/* staggered page reveal (one orchestrated moment, then calm) */
@media (prefers-reduced-motion: no-preference) {
  main.container > * {
    animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) backwards;
  }
  main.container > *:nth-child(1) { animation-delay: 0.03s; }
  main.container > *:nth-child(2) { animation-delay: 0.09s; }
  main.container > *:nth-child(3) { animation-delay: 0.15s; }
  main.container > *:nth-child(4) { animation-delay: 0.21s; }
  main.container > *:nth-child(5) { animation-delay: 0.27s; }
  main.container > *:nth-child(n+6) { animation-delay: 0.33s; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---- top navigation: dithered masthead bar ---- */
.topnav {
  display: flex; align-items: center; gap: 18px;
  background-color: var(--surface2);
  background-image: var(--dither);
  background-blend-mode: normal;
  border-bottom: 2px solid var(--border);
  padding: 10px 20px;
  position: relative;
}
:root[data-theme=light] .topnav { background-image: none; background-color: var(--surface2); }
.topnav::after {
  content: "";
  position: absolute; bottom: -10px; left: 0; right: 0; height: 8px;
  background-image: var(--dither);
  -webkit-mask-image: linear-gradient(#000, transparent);
  mask-image: linear-gradient(#000, transparent);
  pointer-events: none;
}
.topnav::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent);
}
.topnav .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--text);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.topnav .brand::before {
  content: "◈ ";
  color: var(--accent);
}
.topnav .brand:hover { text-decoration: none; }
.topnav .links { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.topnav .links a {
  color: var(--muted);
  padding: 7px 11px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
}
.topnav .links a:hover {
  color: var(--text);
  background: var(--surface2);
  text-decoration: none;
}
.topnav .links a[aria-current=page] {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.topnav .right { display: flex; align-items: center; gap: 8px; }

/* ---- cards: printed stock with hard Y2K shadows ---- */
.card {
  background: var(--surface);
  border: var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--ink-shadow);
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card + .card { margin-top: 16px; }
/* the stacking margin must never leak into grid/flex layouts — it shifted
   every card except the first one ("always the first item" bug) */
.grid > .card, .kanban .card, .row > .card { margin-top: 0; }
.grid > .card { position: relative; overflow: hidden; }
.grid > .card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background-image: var(--dither-dense);
  border-bottom: 1px solid var(--accent);
  opacity: 0.8;
}
.grid > .card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--ink-shadow-lift);
}

/* ---- buttons: Y2K hard-shadow chips ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  margin: 0; /* label-as-button must not inherit label margins */
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface2);
  color: var(--text);
  box-shadow: 2px 2px 0 color-mix(in srgb, var(--border) 60%, transparent);
  transition: transform 0.07s ease, box-shadow 0.07s ease, filter 0.12s ease;
}
.btn:hover { filter: brightness(0.97); text-decoration: none; }
.btn:active { transform: translate(2px, 2px); box-shadow: none; }
.btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: color-mix(in srgb, var(--accent) 65%, black);
}
.btn.danger { background: var(--err); color: #fff; border-color: color-mix(in srgb, var(--err) 65%, black); }
.btn.ghost { background: transparent; border-color: transparent; box-shadow: none; }
.btn.ghost:hover { border-color: var(--border); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn.small { padding: 4px 10px; font-size: 0.74rem; box-shadow: 1px 1px 0 color-mix(in srgb, var(--border) 60%, transparent); }

/* ---- forms ---- */
label { display: block; font-weight: 700; font-size: 0.88rem; letter-spacing: 0.02em; margin-bottom: 5px; }
.hint { color: var(--muted); font-size: 0.86rem; margin: 5px 0 0; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=search], input[type=date], input[type=file], select, textarea {
  width: 100%;
  font: inherit; color: var(--text);
  background: var(--bg);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 9px 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  outline: none;
}
textarea { resize: vertical; min-height: 84px; }
.field { margin-bottom: 18px; }
.row { display: flex; gap: 16px; }
.row > * { flex: 1; }

.error-box, .ok-box {
  border: 1px solid var(--err);
  border-left-width: 4px;
  color: var(--err);
  background: color-mix(in srgb, var(--err) 7%, var(--surface));
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-weight: 500;
}
.ok-box {
  border-color: var(--ok); color: var(--ok);
  background: color-mix(in srgb, var(--ok) 8%, var(--surface));
}
.error-box:empty, .ok-box:empty { display: none; }

/* ---- badges: rubber stamps & banknote chips ---- */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.badge.accent {
  font-weight: 700;
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: inset 0 0 0 2px var(--surface), inset 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent);
  padding: 3px 10px;
}

.avatar {
  width: 32px; height: 32px; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-contrast);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700; font-size: 0.9rem;
  object-fit: cover; overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 70%, black);
}
.avatar.large { width: 96px; height: 96px; font-size: 2.1rem; }
img.avatar { background: var(--surface2); }

/* ---- tables: the ledger itself ---- */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td {
  text-align: left; padding: 9px 10px;
  border-bottom: var(--hairline);
}
table.list th {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 2px solid var(--border);
}
table.list tbody tr:hover { background: color-mix(in srgb, var(--surface2) 60%, transparent); }
table.list tbody tr:nth-child(even) { background: color-mix(in srgb, var(--surface2) 28%, transparent); }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid > .card { display: flex; flex-direction: column; } /* equal-height rows */

/* ---- toolbar: filter rows boxed and baseline-aligned ---- */
.toolbar {
  display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap;
  background: var(--surface);
  border: var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--ink-shadow);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.toolbar::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background-image: var(--dither-dense);
  opacity: 0.7;
}
.toolbar .field { margin-bottom: 0; flex: 1 1 150px; }
.toolbar .field.tight { flex: 0 1 auto; }
.toolbar > .btn { flex: 0 0 auto; height: 41px; } /* matches input height */
.toolbar label { white-space: nowrap; }

/* ---- stat cards (metrics) ---- */
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.stat .stat-value {
  font-family: var(--font-display);
  font-size: 1.9rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin: 0;
}
.stat .hint { margin-top: auto; }

.muted { color: var(--muted); }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.stack > * + * { margin-top: 16px; }
.mt { margin-top: 16px; }

.kv-row { display: flex; gap: 8px; margin-bottom: 8px; }
.kv-row input { flex: 1; }

/* ---- toasts: telegram slips (above the chat bubble) ---- */
#toasts {
  position: fixed; bottom: 84px; right: 16px; z-index: 2147483647;
  display: flex; flex-direction: column; gap: 8px; max-width: 360px;
}
.toast {
  background: var(--surface);
  border: var(--hairline);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.92rem;
  box-shadow: 0 10px 24px -10px rgba(0,0,0,0.4);
  animation: slipIn 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}
@keyframes slipIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: none; }
}
.toast.err { border-left-color: var(--err); }
.toast.ok { border-left-color: var(--ok); }

/* ---- masthead (login / register) ---- */
.masthead { text-align: center; margin-bottom: 26px; }
.masthead-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.masthead-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.6rem;
  letter-spacing: 0.01em;
  margin: 0;
}
.masthead-title::after { content: none; }
.masthead-rule {
  display: flex; align-items: center; gap: 10px;
  margin: 14px auto 0; max-width: 280px;
  color: var(--accent);
}
.masthead-rule::before, .masthead-rule::after {
  content: "";
  flex: 1;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
  height: 3px;
}

/* ---- hover cards ---- */
.hovercard {
  position: absolute; z-index: 90; width: 300px;
  box-shadow: 0 14px 30px -12px rgba(0,0,0,0.45);
  animation: rise 0.18s ease;
}

/* ---- chat ---- */
.chat-layout { display: grid; grid-template-columns: 280px 1fr; gap: 18px; min-height: 70vh; }
.chat-sidebar { overflow: auto; }
.conv-list { list-style: none; margin: 8px 0 0; padding: 0; }
.conv-list li { border-bottom: var(--hairline); }
.conv-list li.active .conv-item {
  background: var(--surface2);
  box-shadow: inset 3px 0 0 var(--accent);
}
.conv-item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  width: 100%; padding: 11px 10px; font: inherit; text-align: left;
  background: none; border: none; color: var(--text); cursor: pointer;
  border-radius: var(--radius);
}
.conv-item:hover { background: var(--surface2); }
.chat-main { display: flex; flex-direction: column; }
.chat-messages { flex: 1; overflow: auto; padding: 8px 0; min-height: 320px; }
.chat-msg {
  max-width: 75%; margin: 10px 0; padding: 9px 13px;
  background: var(--surface2);
  border: var(--hairline);
  border-radius: var(--radius);
  font-size: 0.95rem;
}
.chat-msg.own {
  margin-left: auto;
  background: color-mix(in srgb, var(--accent) 11%, var(--surface2));
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.chat-msg p, .chat-msg ul, .chat-msg ol { margin: 4px 0; }
.chat-img { max-width: 240px; max-height: 180px; cursor: zoom-in; border-radius: var(--radius); border: var(--hairline); }
.chat-toolbar { display: flex; gap: 4px; margin-bottom: 8px; }
.chat-composer {
  min-height: 60px; max-height: 200px; overflow: auto;
  background: var(--bg);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: 10px;
}
.chat-composer:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  outline: none;
}
.chat-composer:empty::before { content: attr(data-placeholder); color: var(--muted); }
.chat-attachments { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.lightbox { border: none; background: transparent; max-width: 92vw; max-height: 92vh; }
.lightbox img { max-width: 90vw; max-height: 88vh; cursor: zoom-out; border: 4px solid var(--surface); }
.lightbox::backdrop { background: rgba(12, 10, 8, 0.85); }
@media (max-width: 800px) { .chat-layout { grid-template-columns: 1fr; } }

/* ---- kanban: ledger columns ---- */
.kanban { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.kanban-col {
  background: color-mix(in srgb, var(--surface2) 55%, transparent);
  border: var(--hairline);
  border-top: 3px double var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 220px;
}
.kanban-col h2 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---- notification bell ---- */
.bell-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--err); color: #fff;
  font-family: var(--font-mono);
  font-size: 0.62rem; font-weight: 700;
  padding: 1px 5px; border-radius: var(--radius);
}
.notif-panel {
  position: absolute; right: 0; top: 38px; z-index: 50;
  width: 330px; max-height: 420px; overflow: auto;
  background: var(--surface);
  border: var(--hairline);
  border-top: 3px double var(--border);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: 0 16px 32px -12px rgba(0,0,0,0.45);
  animation: rise 0.18s ease;
}
.notif-list { list-style: none; margin: 0 0 8px; padding: 0; }
.notif-list li { padding: 9px 0; border-bottom: var(--hairline); }
.notif-list a { color: var(--text); }
.notif-list a:hover { text-decoration: none; opacity: 0.85; }

/* ---- atomizing shimmer ---- */
.shimmer { position: relative; overflow: hidden; }
.shimmer::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 30%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
  animation: shimmer 1.6s infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
input[type=range] { width: 100%; accent-color: var(--accent); }

/* ---- tabs ---- */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tabs [aria-selected=true] {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: color-mix(in srgb, var(--accent) 70%, black);
}

/* ---- dialogs: paper slips ---- */
dialog {
  background: var(--surface); color: var(--text);
  border: var(--hairline);
  border-top: 4px double var(--accent);
  border-radius: var(--radius);
  padding: 26px;
  max-width: 90vw; max-height: 90vh; overflow: auto;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,0.55);
}
dialog[open] { animation: rise 0.22s cubic-bezier(0.2, 0.7, 0.2, 1); }
dialog::backdrop { background: rgba(20, 16, 12, 0.55); }
fieldset {
  border: var(--hairline);
  border-radius: var(--radius);
  margin: 0 0 16px; padding: 16px;
}
legend {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 8px;
}

/* ---- new-conversation dialog: fixed geometry, no jumping ---- */
#newconv-form { width: 440px; max-width: 86vw; }
#nc-results {
  height: 180px;            /* fixed: search results never resize the dialog */
  overflow: auto;
  border: var(--hairline);
  border-radius: var(--radius);
  background: var(--bg);
  margin-top: 8px;
  padding: 4px;
}
#nc-results .nc-row {
  display: block; width: 100%;
  text-align: left;
  font: inherit; font-size: 0.92rem;
  background: none; border: none; color: var(--text);
  padding: 8px 10px; cursor: pointer;
  border-bottom: var(--hairline);
  border-radius: var(--radius);
}
#nc-results .nc-row:hover { background: var(--surface2); }
#nc-results .nc-empty { color: var(--muted); padding: 10px; font-size: 0.88rem; }
#nc-selected { min-height: 30px; display: flex; gap: 6px; flex-wrap: wrap; }

/* ---- floating messages bubble + mini panel ---- */
.chat-fab {
  position: fixed; bottom: 16px; right: 16px; z-index: 2147483645;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  background: var(--accent); color: var(--accent-contrast);
  border: 1px solid color-mix(in srgb, var(--accent) 65%, black);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 color-mix(in srgb, var(--border) 70%, transparent);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
.chat-fab:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 color-mix(in srgb, var(--border) 70%, transparent); }
.chat-fab:active { transform: translate(2px, 2px); box-shadow: none; }
.chat-fab .bell-badge { top: -6px; right: -6px; }
.chat-panel {
  position: fixed; bottom: 80px; right: 16px; z-index: 2147483645;
  width: 350px; height: 480px; max-height: 75vh;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: var(--hairline);
  border-top: 4px double var(--accent);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 color-mix(in srgb, var(--border) 50%, transparent);
  animation: rise 0.18s ease;
}
.chat-panel header {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  background-image: var(--dither);
  background-color: var(--surface2);
}
.chat-panel header strong { font-family: var(--font-display); font-size: 1rem; }
.chat-panel .cw-body { flex: 1; overflow: auto; padding: 6px 10px; }
.chat-panel .cw-conv {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  width: 100%; padding: 10px 8px; font: inherit; text-align: left;
  background: none; border: none; border-bottom: var(--hairline);
  color: var(--text); cursor: pointer; border-radius: var(--radius);
}
.chat-panel .cw-conv:hover { background: var(--surface2); }
.chat-panel .cw-msg {
  max-width: 85%; margin: 8px 0; padding: 7px 10px;
  font-size: 0.88rem;
  background: var(--surface2);
  border: var(--hairline);
  border-radius: var(--radius);
}
.chat-panel .cw-msg.own {
  margin-left: auto;
  background: color-mix(in srgb, var(--accent) 11%, var(--surface2));
}
.chat-panel .cw-msg .cw-who { color: var(--muted); font-size: 0.72rem; margin: 0 0 2px; font-family: var(--font-mono); }
.chat-panel footer { padding: 10px; border-top: var(--hairline); display: flex; gap: 8px; }
.chat-panel footer input { flex: 1; }

/* ---- scrollbars ---- */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

@media (max-width: 640px) {
  .row { flex-direction: column; gap: 0; }
  .topnav { flex-wrap: wrap; }
  h1 { font-size: 1.6rem; }
}