/* ==========================================================================
   TRSET — design system.

   One stylesheet, no framework, no external fonts. Two themes driven by
   [data-theme] on <html>: "dark" (default) and "light"; the preference is
   "system" unless the user picks otherwise.

   The accent is a violet→cyan pair. Depth comes from three stacked layers —
   an aurora gradient, a fine grid, and a noise film — rather than from heavy
   drop shadows, so panels stay crisp at any zoom level.

   Sections, in order:
     1. Tokens          6. Buttons & forms      11. Landing: coding ranks
     2. Reset & type    7. Tables               12. Landing: calculator
     3. Background      8. Badges               13. Landing: FAQ & misc
     4. Chrome          9. Model cards          14. Toasts
     5. Layout         10. Landing: hero        15. Motion & print
   ========================================================================== */

/* ==================== 1. Tokens ==================== */

:root {
  /* Radii */
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 9px;
  --radius-xs: 6px;

  /* Spacing scale */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;

  /* Type */
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;

  /* The neon pair, shared by both themes. */
  --violet: #7c6cff;
  --cyan: #2dd4ff;
  --pink: #b58cff;
  --accent: var(--violet);
  --accent-2: var(--cyan);
  --accent-grad: linear-gradient(120deg, var(--violet), var(--cyan));
  --accent-grad-soft: linear-gradient(120deg,
      color-mix(in srgb, var(--violet) 22%, transparent),
      color-mix(in srgb, var(--cyan) 22%, transparent));

  /* Semantic */
  --good: #38d39f;
  --warn: #f0b429;
  --bad: #ff6b6b;
  --cache: #38d39f;
  --gold: #f0b429;
  --silver: #a9b4cc;
  --bronze: #d08a4a;

  /* Easing */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- Dark (default) ---------- */
:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #06070c;
  --bg-soft: #0a0c14;
  --panel: #0f1220;
  --panel-2: #151a2b;
  --panel-3: #1b2136;
  --line: #232a44;
  --line-soft: #1a2033;
  --fg: #e9ecf7;
  --fg-dim: #9aa4be;
  --fg-faint: #69738c;
  --accent-soft: #221f4d;

  --glow-violet: rgba(124, 108, 255, .34);
  --glow-cyan: rgba(45, 212, 255, .24);
  --shadow-panel: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 44px rgba(0, 0, 0, .46);
  --shadow-lift: 0 2px 4px rgba(0, 0, 0, .4), 0 22px 60px rgba(0, 0, 0, .55);
  --hairline: rgba(255, 255, 255, .07);
  --btn-fg: #ffffff;
  --grid-line: rgba(148, 163, 214, .055);
  --noise-opacity: .022;

  --err-bg: #2a1618; --err-line: #57292f; --err-fg: #ffb3b3;
  --ok-bg: #14302a;  --ok-line: #235c4b;  --ok-fg: #b6f0da;
  --warn-bg: #302713; --warn-line: #5c4a20; --warn-fg: #ffdd9e;
}

/* ---------- Light ---------- */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6fc;
  --bg-soft: #eceff9;
  --panel: #ffffff;
  --panel-2: #f4f6fd;
  --panel-3: #eaeef9;
  --line: #dbe0f0;
  --line-soft: #e8ebf6;
  --fg: #141726;
  --fg-dim: #565e78;
  --fg-faint: #868da5;
  --accent-soft: #e7e4ff;

  --violet: #6553f0;
  --cyan: #0a9bce;
  --pink: #8b6cf0;
  --glow-violet: rgba(101, 83, 240, .2);
  --glow-cyan: rgba(10, 155, 206, .16);
  --shadow-panel: 0 1px 2px rgba(24, 30, 60, .05), 0 10px 34px rgba(24, 30, 60, .07);
  --shadow-lift: 0 2px 6px rgba(24, 30, 60, .07), 0 20px 50px rgba(24, 30, 60, .11);
  --hairline: rgba(20, 24, 48, .06);
  --btn-fg: #ffffff;
  --grid-line: rgba(60, 74, 130, .05);
  --noise-opacity: .016;

  --err-bg: #fdeeee; --err-line: #f0c4c4; --err-fg: #a8333a;
  --ok-bg: #e8f8f2;  --ok-line: #bfe8d8;  --ok-fg: #14795a;
  --warn-bg: #fdf6e3; --warn-line: #ecd9a0; --warn-fg: #85681a;
}

/* ==================== 2. Reset & typography ==================== */

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.55;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

/* Sticky footer: the content column stretches so short pages still pin the
   footer to the bottom of the viewport instead of floating mid-page. */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .15s var(--ease);
}
a:hover { color: var(--accent-2); text-decoration: none; }
a:not(.btn):not([data-link]):hover { text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3, h4 {
  margin: 0 0 .55rem;
  font-weight: 680;
  letter-spacing: -.021em;
  line-height: 1.24;
  text-wrap: balance;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }
h4 { font-size: .92rem; }
p { margin: 0 0 .8rem; }
p:last-child { margin-bottom: 0; }

code, .mono { font-family: var(--mono); font-size: .92em; font-variant-ligatures: none; }

/* Selection picks up the accent so it reads as part of the design. */
::selection { background: color-mix(in srgb, var(--accent) 34%, transparent); color: var(--fg); }

/* One focus ring for every interactive element. */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* Scrollbars, dark-theme aware. */
* { scrollbar-color: var(--line) transparent; scrollbar-width: thin; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--line);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 999px;
}
*::-webkit-scrollbar-thumb:hover { background: var(--fg-faint); background-clip: padding-box; }

/* ==================== 3. Background ==================== */

/*
 * Three fixed layers, none of them interactive:
 *   ::before — the aurora: four coloured blobs that drift very slowly
 *   ::after  — a 44px grid, masked to fade out down the page
 *   .bg-noise (in the markup) — a film of SVG noise that kills gradient banding
 */
body::before {
  content: "";
  position: fixed;
  inset: -20vmax;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(38vmax 30vmax at 12% -4%, var(--glow-violet), transparent 68%),
    radial-gradient(34vmax 26vmax at 88% 2%, var(--glow-cyan), transparent 68%),
    radial-gradient(30vmax 26vmax at 76% 62%, color-mix(in srgb, var(--pink) 16%, transparent), transparent 70%),
    radial-gradient(28vmax 24vmax at 8% 78%, color-mix(in srgb, var(--cyan) 12%, transparent), transparent 70%);
  filter: blur(12px);
  animation: aurora 44s var(--ease) infinite alternate;
}

@keyframes aurora {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(1.6%, -1.4%, 0) scale(1.06); }
  100% { transform: translate3d(-1.4%, 1.6%, 0) scale(1.02); }
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 46%, transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 46%, transparent 92%);
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--noise-opacity);
  mix-blend-mode: overlay;
  background-repeat: repeat;
  background-size: 180px 180px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Everything real sits above the backdrop. */
#topbar, main, #toasts, footer { position: relative; z-index: 1; }

/* ==================== 4. Chrome (top bar) ==================== */

#topbar {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem clamp(.9rem, 3vw, 1.6rem);
  min-height: 60px;
  background: color-mix(in srgb, var(--bg-soft) 76%, transparent);
  backdrop-filter: saturate(1.5) blur(16px);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  flex-wrap: wrap;
}
/* A hairline of accent light along the bottom edge. */
#topbar::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glow-violet) 22%, var(--glow-cyan) 72%, transparent);
  opacity: .8;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: .05em;
  color: var(--fg);
  margin-right: .7rem;
}
.brand:hover { color: var(--fg); text-decoration: none; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: var(--accent-grad);
  box-shadow: 0 0 0 1px var(--hairline), 0 0 16px var(--glow-violet), 0 0 30px var(--glow-cyan);
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease);
}
.brand:hover .brand-mark {
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 0 0 1px var(--hairline), 0 0 22px var(--glow-violet), 0 0 44px var(--glow-cyan);
}
.brand-mark svg { width: 18px; height: 18px; display: block; }

.brand-name {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
[data-theme="light"] .brand-name {
  /* Gradient text washes out on white; deepen both stops. */
  background: linear-gradient(120deg, #5643e6, #0782b4);
  -webkit-background-clip: text;
  background-clip: text;
}

#mainnav { display: flex; gap: .15rem; flex-wrap: wrap; }
#mainnav a {
  padding: .4rem .68rem;
  border-radius: var(--radius-sm);
  color: var(--fg-dim);
  font-weight: 520;
  font-size: .9rem;
  white-space: nowrap;
  transition: color .15s var(--ease), background-color .15s var(--ease);
}
#mainnav a:hover { background: var(--panel-2); color: var(--fg); }
#mainnav a.active {
  background: var(--accent-soft);
  color: var(--fg);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 42%, transparent);
}

.spacer { flex: 1; }

#userbox { display: inline-flex; align-items: center; gap: .45rem; flex-wrap: nowrap; }
#userbox .who {
  color: var(--fg-dim);
  font-size: .88rem;
  max-width: 210px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#userbox .who strong { color: var(--fg); font-weight: 620; }

.chrome-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  box-sizing: border-box;
  background: var(--panel-2);
  color: var(--fg-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0 .55rem;
  font: inherit;
  font-size: .8rem;
  font-weight: 640;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s var(--ease), border-color .15s var(--ease), box-shadow .2s var(--ease);
}
.chrome-btn:hover {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 14px var(--glow-violet);
}

/* Balance pill. */
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  box-sizing: border-box;
  font-family: var(--mono);
  font-size: .84rem;
  font-weight: 600;
  line-height: 1;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0 .75rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px var(--hairline);
}
.chip.low {
  border-color: var(--err-line);
  color: var(--err-fg);
  background: var(--err-bg);
}

/* ==================== 5. Layout ==================== */

main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(1.1rem, 3vw, 2rem) clamp(.9rem, 3vw, 1.6rem) 5rem;
}

.center-wrap {
  max-width: 430px;
  margin: 6vh auto 0;
}

.panel {
  position: relative;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.3rem;
  margin-bottom: 1.15rem;
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-panel);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.panel:hover { border-color: color-mix(in srgb, var(--accent) 26%, var(--line)); }
.panel > h1:first-child,
.panel > h2:first-child { margin-top: 0; }
.grid .panel { margin-bottom: 0; }

.panel-head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .9rem;
}
.panel-head h2 { margin: 0; }
.panel-head .hint { color: var(--fg-faint); font-size: .84rem; }

/*
 * Explicit column counts, not auto-fit. auto-fit packs as many tracks as will
 * fit, which left a six-card section as 4 + 2 on a wide screen; a fixed count
 * per breakpoint always divides the card counts we actually use (2, 3, 4, 6).
 */
.grid { display: grid; gap: 1.15rem; margin-bottom: 1.15rem; }
.grid > * { min-width: 0; }
.grid > * > .tablewrap { max-width: 100%; }

/*
 * A grid is a block-level sibling of panels, so it needs the same bottom
 * margin panels carry — without it the section after a card grid sat flush
 * against it. Nested grids (inside a panel, or inside another grid) get their
 * spacing from the parent's padding/gap instead, so reset there.
 */
.panel .grid:last-child,
.grid .grid { margin-bottom: 0; }

.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1120px) {
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .grid.cols-2,
  .grid.cols-3,
  .grid.cols-4 { grid-template-columns: minmax(0, 1fr); }
}

.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.row > * { min-width: 0; }
.row.gap { gap: 1rem; align-items: center; }
.row:has(label.field),
.row.align-end { align-items: flex-end; }
.row > label.field { margin-bottom: 0; }

.muted { color: var(--fg-dim); }
.faint { color: var(--fg-faint); }
.small { font-size: .86rem; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.good { color: var(--good); }

/* Divider with a soft accent centre. */
.rule {
  height: 1px;
  border: none;
  margin: var(--sp-6) 0;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}

/* ==================== 5b. Stat cards ==================== */

.stat {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-panel);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease-out);
}
.stat:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-lift);
}
.stat .label {
  color: var(--fg-faint);
  font-size: .74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .075em;
  margin-bottom: .4rem;
}
.stat .value {
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 640;
  letter-spacing: -.03em;
  line-height: 1.15;
  overflow-wrap: anywhere;
}
.stat .sub { color: var(--fg-dim); font-size: .82rem; margin-top: .3rem; overflow-wrap: anywhere; }
.stat .value.good { color: var(--good); }
.stat .value.bad { color: var(--bad); }

/* The headline card — the one number the page is really about. */
.stat.hero {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
  background:
    radial-gradient(120% 130% at 0% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 62%),
    color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: inset 0 1px 0 var(--hairline), 0 0 30px var(--glow-violet), var(--shadow-panel);
}
.stat.hero .label { color: color-mix(in srgb, var(--accent) 70%, var(--fg-dim)); }
.stat.hero .value {
  font-size: 2.15rem;
  background: linear-gradient(120deg, var(--fg) 34%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat.hero .value.bad {
  background: none;
  -webkit-text-fill-color: var(--bad);
  color: var(--bad);
}

/* ==================== 6. Buttons & forms ==================== */

label.field { display: block; margin-bottom: .8rem; }
label.field > span {
  display: block;
  color: var(--fg-dim);
  font-size: .82rem;
  font-weight: 520;
  margin-bottom: .28rem;
}
label.field > span.faint { margin-top: .25rem; margin-bottom: 0; font-weight: 400; }

input, select, textarea {
  width: 100%;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .55rem .68rem;
  font: inherit;
  font-size: .92rem;
  line-height: 1.35;
  box-sizing: border-box;
  transition: border-color .15s var(--ease), box-shadow .2s var(--ease), background-color .15s var(--ease);
}
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent), 0 0 18px var(--glow-violet);
}
input::placeholder, textarea::placeholder { color: var(--fg-faint); }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
input[type="number"] { font-family: var(--mono); }
textarea { resize: vertical; min-height: 74px; }
select[multiple] { min-height: 124px; padding: .3rem; }
select[multiple] option { padding: .22rem .4rem; border-radius: var(--radius-xs); }

.inline-field { flex: 1 1 160px; }
.inline-field.narrow { flex: 0 1 130px; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  background: var(--accent-grad);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: .55rem 1rem;
  min-height: 38px;
  line-height: 1.35;
  box-sizing: border-box;
  font: inherit;
  font-weight: 640;
  font-size: .92rem;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .18), 0 0 18px var(--glow-violet);
  transition: filter .15s var(--ease), box-shadow .2s var(--ease), transform .12s var(--ease);
}
/* A highlight sheen along the top edge, so the fill reads as a surface. */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, .22), transparent 52%);
  pointer-events: none;
}
.btn:hover {
  filter: brightness(1.09) saturate(1.05);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .2), 0 0 26px var(--glow-violet), 0 0 40px var(--glow-cyan);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(1px); filter: brightness(.97); }
.btn:disabled {
  opacity: .48;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
  transform: none;
}
.btn:disabled::before { display: none; }
.btn:hover { color: var(--btn-fg); }

.btn-ghost {
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  color: var(--fg-dim);
  border-color: var(--line);
  box-shadow: none;
}
.btn-ghost::before { display: none; }
.btn-ghost:hover {
  color: var(--fg);
  background: var(--panel-3);
  border-color: color-mix(in srgb, var(--accent) 44%, var(--line));
  filter: none;
  box-shadow: 0 0 16px var(--glow-violet);
}

.btn-danger {
  background: transparent;
  color: var(--err-fg);
  border-color: var(--err-line);
  box-shadow: none;
}
.btn-danger::before { display: none; }
.btn-danger:hover { background: var(--err-bg); color: var(--err-fg); filter: none; box-shadow: none; }

.btn-small {
  padding: .28rem .7rem;
  font-size: .82rem;
  font-weight: 560;
  min-height: 32px;
  line-height: 1;
  box-sizing: border-box;
}

.btn-primary {
  background: var(--accent-grad);
  color: #ffffff;
  font-weight: 650;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .22), 0 0 22px var(--glow-violet), 0 0 36px var(--glow-cyan);
}
.btn-primary:hover {
  filter: brightness(1.12) saturate(1.08);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .28), 0 0 28px var(--glow-violet), 0 0 48px var(--glow-cyan);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(1px);
}

/* Oversized call to action, used in the hero. */
.btn-hero {
  font-size: 1.02rem;
  padding: .75rem 1.65rem;
  min-height: 48px;
  border-radius: var(--radius);
  box-sizing: border-box;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .2), 0 0 26px var(--glow-violet), 0 0 52px var(--glow-cyan);
}
.btn-hero:hover { box-shadow: 0 2px 8px rgba(0, 0, 0, .24), 0 0 34px var(--glow-violet), 0 0 70px var(--glow-cyan); }
.hero .cta .btn {
  font-size: 1.02rem;
  padding: .75rem 1.65rem;
  min-height: 48px;
  border-radius: var(--radius);
  box-sizing: border-box;
}

.formerr, .formok {
  border-radius: var(--radius-sm);
  padding: .58rem .8rem;
  margin-bottom: .85rem;
  font-size: .9rem;
  border: 1px solid;
}
.formerr { color: var(--err-fg); background: var(--err-bg); border-color: var(--err-line); }
.formok { color: var(--ok-fg); background: var(--ok-bg); border-color: var(--ok-line); }

/* ==================== 7. Tables ==================== */

.tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 55%, transparent);
}

table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .88rem; }
th, td { padding: .55rem .7rem; text-align: left; border-bottom: 1px solid var(--line-soft); }
th {
  background: color-mix(in srgb, var(--panel-2) 94%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--fg-dim);
  font-weight: 640;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom-color: var(--line);
}
tbody tr { transition: background-color .12s var(--ease); }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-family: var(--mono); white-space: nowrap; }
td.mono { font-family: var(--mono); font-size: .85rem; }

tr.detail-row > td { background: var(--bg-soft); padding: .85rem 1rem; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }

/* The active supplier inside an expanded pool. */
tr.chosen-pool {
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  box-shadow: inset 3px 0 0 var(--accent);
}
tr.chosen-pool td { border-bottom-color: var(--line-soft); }

.empty {
  padding: 2.4rem 1rem;
  text-align: center;
  color: var(--fg-faint);
  font-size: .9rem;
}

.pager { display: flex; gap: .5rem; align-items: center; justify-content: flex-end; margin-top: .75rem; }

.tabs {
  display: flex;
  gap: .2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.tabs button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--fg-dim);
  padding: .5rem .85rem;
  font: inherit;
  font-weight: 560;
  cursor: pointer;
  transition: color .15s var(--ease);
}
.tabs button:hover { color: var(--fg); }
.tabs button.active { color: var(--fg); border-bottom-color: var(--accent); }

details.raw summary {
  cursor: pointer;
  color: var(--fg-dim);
  font-size: .86rem;
  font-weight: 540;
  padding: .3rem 0;
  transition: color .15s var(--ease);
}
details.raw summary:hover { color: var(--accent); }
details.raw[open] summary { margin-bottom: .45rem; }

/* Key/value line used by the request detail rows. The value side holds long
   monospace ids and must wrap rather than push the label around. */
.kv {
  display: flex;
  gap: .5rem;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line-soft);
  padding: .3rem 0;
}
.kv:last-child { border-bottom: none; }
.kv > span:first-child { flex: 0 0 auto; }
.kv > span:last-child {
  min-width: 0;
  flex: 1 1 auto;
  text-align: right;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ==================== 8. Badges ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .14rem .5rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 640;
  letter-spacing: .01em;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 80%, transparent);
  color: var(--fg-dim);
  white-space: nowrap;
}
.badge.ok { color: var(--ok-fg); border-color: var(--ok-line); background: var(--ok-bg); }
.badge.err { color: var(--err-fg); border-color: var(--err-line); background: var(--err-bg); }
.badge.warn { color: var(--warn-fg); border-color: var(--warn-line); background: var(--warn-bg); }
.badge.info {
  color: color-mix(in srgb, var(--accent) 78%, var(--fg));
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
  background: var(--accent-soft);
}
.badge.mut { color: var(--fg-faint); }

/* ==================== 8b. Token bars, legend, sparkline ==================== */

.tokbar {
  display: flex;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--panel-3);
  min-width: 90px;
  box-shadow: inset 0 0 0 1px var(--hairline);
}
.tokbar span { display: block; height: 100%; }
.tokbar .t-in { background: var(--violet); }
.tokbar .t-out { background: var(--pink); }
.tokbar .t-cr { background: var(--cache); }
.tokbar .t-cw { background: var(--warn); }

.legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--fg-dim);
  margin-bottom: .7rem;
}
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: .35rem; }
.legend .t-in { background: var(--violet); }
.legend .t-out { background: var(--pink); }
.legend .t-cr { background: var(--cache); }
.legend .t-cw { background: var(--warn); }

.spark { position: relative; display: flex; align-items: flex-end; gap: 2px; height: 68px; }
.spark .bar {
  flex: 1;
  min-width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  border-radius: 3px 3px 1px 1px;
  min-height: 2px;
  transition: filter .12s var(--ease);
}
.spark .bar:hover { filter: brightness(1.4); }
.spark-tip {
  position: absolute;
  left: 0;
  top: -4px;
  transform: translate(-50%, -100%);
  pointer-events: none;
  background: color-mix(in srgb, var(--panel-2) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .3rem .55rem;
  font-size: .8rem;
  color: var(--fg);
  box-shadow: var(--shadow-lift);
  white-space: nowrap;
  z-index: 5;
}

/* ==================== 8c. Copy box & code ==================== */

.copybox {
  display: flex;
  gap: .5rem;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .45rem .5rem .45rem .75rem;
  margin: .55rem 0;
}
.copybox-value {
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: .86rem;
  scrollbar-width: none;
}
.copybox-value::-webkit-scrollbar { display: none; }
.copybox-btn { flex: 0 0 auto; }

pre.code {
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .8rem .9rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--fg-dim);
  margin: .55rem 0 0;
  box-shadow: inset 0 1px 0 var(--hairline);
}

/* ==================== 14. Toasts ==================== */

#toasts {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 100;
  max-width: min(420px, calc(100vw - 2rem));
}
.toast {
  background: color-mix(in srgb, var(--panel-2) 94%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: .65rem .85rem;
  box-shadow: var(--shadow-lift);
  font-size: .89rem;
  animation: toast-in .28s var(--ease-out);
}
.toast.ok { border-left-color: var(--good); }
.toast.err { border-left-color: var(--bad); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(14px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

/* ==================== 9. Model cards ==================== */

.modelcard {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-panel);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease-out);
}
.modelcard:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-lift), 0 0 26px var(--glow-violet);
}
.modelcard.featured {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  box-shadow: inset 0 1px 0 var(--hairline), 0 0 22px var(--glow-violet), var(--shadow-panel);
}
/* Featured cards get an accent bar along the top edge. */
.modelcard.featured::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-grad);
}

.modelcard .mc-head { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.modelcard .mc-name { font-weight: 660; font-size: 1rem; letter-spacing: -.01em; }
.modelcard .mc-id {
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--fg-faint);
  overflow-wrap: anywhere;
  margin-top: -.3rem;
}
.modelcard .mc-desc { color: var(--fg-dim); font-size: .855rem; margin: 0; }
.modelcard .mc-ctx {
  display: flex; align-items: center; gap: .45rem; flex-wrap: wrap;
  margin: .45rem 0 0; font-size: .855rem;
}

/* Coefficient list — the price tag. Dotted leaders tie label to figure. */
.modelcard .mc-coeffs {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .16rem .7rem;
  font-size: .855rem;
  margin: .2rem 0 0;
  padding-top: .65rem;
  border-top: 1px solid var(--line-soft);
}
.modelcard .mc-coeffs dt { color: var(--fg-dim); }
.modelcard .mc-coeffs dd { margin: 0; font-family: var(--mono); font-weight: 620; text-align: right; }
.modelcard .mc-coeffs dd.cache { color: var(--cache); }

.mc-strengths { display: flex; flex-wrap: wrap; gap: .32rem; }
.strength {
  font-size: .745rem;
  font-weight: 620;
  padding: .15rem .5rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--cache) 38%, var(--line));
  color: var(--cache);
  background: color-mix(in srgb, var(--cache) 9%, transparent);
}

/* ==================== 10. Landing: hero ==================== */

.hero {
  position: relative;
  text-align: center;
  padding: clamp(3rem, 8vw, 5.5rem) 1rem clamp(2rem, 4vw, 3rem);
}

/* Small pill above the headline: what this is, in three words. */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .3rem .8rem .3rem .55rem;
  margin-bottom: 1.3rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--line));
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  color: var(--fg-dim);
  font-size: .82rem;
  font-weight: 560;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 22%, transparent);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}
.hero-eyebrow strong { color: var(--fg); font-weight: 660; }

.hero h1 {
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.032em;
  margin: 0 auto .9rem;
  max-width: 18ch;
  background: linear-gradient(118deg, var(--fg) 26%, var(--accent) 68%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  color: var(--fg-dim);
  font-size: clamp(.98rem, 1.6vw, 1.14rem);
  line-height: 1.6;
  max-width: 60ch;
  margin: 0 auto 1.8rem;
  text-wrap: pretty;
}
.hero .cta { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }

/* Trust strip under the buttons: the three facts that answer "is it real?" */
.hero-facts {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 4vw, 2.6rem);
  flex-wrap: wrap;
  margin-top: 2.4rem;
  padding-top: 1.7rem;
  border-top: 1px solid var(--line);
}
.hero-fact { text-align: center; min-width: 96px; }
.hero-fact .hf-value {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 680;
  letter-spacing: -.03em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-fact .hf-label {
  color: var(--fg-faint);
  font-size: .76rem;
  font-weight: 560;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-top: .15rem;
}

/* ==================== 10b. Landing: section headings ==================== */

.section-title {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  letter-spacing: -.026em;
  margin: clamp(2.6rem, 6vw, 3.8rem) 0 .5rem;
  text-align: center;
  background: linear-gradient(118deg, var(--fg) 38%, var(--accent) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-subtitle {
  text-align: center;
  color: var(--fg-dim);
  font-size: .95rem;
  max-width: 62ch;
  margin: 0 auto 1.6rem;
  text-wrap: pretty;
}

/* ==================== 10c. Landing: advantages & use cases ==================== */

.advantage, .use-case {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  position: relative;
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease-out);
}
.advantage:hover, .use-case:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 32%, var(--line));
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-lift);
}
.advantage h3, .use-case h3 { margin: 0; font-size: 1rem; }
.advantage p, .use-case p { margin: 0; }

/* Icon in a soft tinted tile rather than bare emoji. */
.advantage-icon, .use-case-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 11px;
  font-size: 1.25rem;
  line-height: 1;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  background: var(--accent-grad-soft);
  box-shadow: inset 0 1px 0 var(--hairline);
}
.use-case-icon {
  border-color: color-mix(in srgb, var(--cyan) 26%, var(--line));
  background: linear-gradient(120deg,
      color-mix(in srgb, var(--cyan) 20%, transparent),
      color-mix(in srgb, var(--violet) 16%, transparent));
}

/* ==================== 11. Landing: ranked coding picks ==================== */

/*
 * The ranked picks are the page's centrepiece, so they get their own grid:
 * four across on a desktop, two on a tablet, one on a phone. Never a stray
 * single card on a row of its own.
 */
.coding-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: .8rem;
}
@media (max-width: 1180px) { .coding-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .coding-grid { grid-template-columns: minmax(0, 1fr); } }

.coding-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.6rem 1.1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-panel);
  transition: transform .28s var(--ease-out), border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.coding-card:hover { transform: translateY(-4px); box-shadow: inset 0 1px 0 var(--hairline), var(--shadow-lift); }

/* Tone drives the top rule and the glow, so rank reads at a glance. */
.coding-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--tone-grad, var(--accent-grad));
}
.coding-card.tone-gold {
  --tone: var(--gold);
  --tone-grad: linear-gradient(90deg, #f6c14b, #ffe9a8, #f6c14b);
  border-color: color-mix(in srgb, var(--gold) 40%, var(--line));
  box-shadow: inset 0 1px 0 var(--hairline), 0 0 28px color-mix(in srgb, var(--gold) 16%, transparent), var(--shadow-panel);
}
.coding-card.tone-gold:hover {
  box-shadow: inset 0 1px 0 var(--hairline), 0 0 40px color-mix(in srgb, var(--gold) 22%, transparent), var(--shadow-lift);
}
.coding-card.tone-value {
  --tone: var(--good);
  --tone-grad: linear-gradient(90deg, var(--good), var(--cyan));
  border-color: color-mix(in srgb, var(--good) 34%, var(--line));
}
.coding-card.tone-silver {
  --tone: var(--silver);
  --tone-grad: linear-gradient(90deg, #9aa4bd, #d6dcea, #9aa4bd);
}
.coding-card.tone-bronze {
  --tone: var(--bronze);
  --tone-grad: linear-gradient(90deg, #c1743a, #e6a874, #c1743a);
}

.rank-badge {
  position: absolute;
  top: -.72rem;
  left: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.35rem;
  height: 1.5rem;
  padding: 0 .48rem;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 720;
  letter-spacing: -.02em;
  color: var(--btn-fg);
  background: var(--tone-grad, var(--accent-grad));
  border: 1px solid color-mix(in srgb, var(--tone, var(--accent)) 55%, transparent);
  box-shadow: 0 3px 12px color-mix(in srgb, var(--tone, var(--accent)) 34%, transparent);
}
.rank-badge.rank-1 { color: #241a02; }
.rank-badge.rank-3, .rank-badge.rank-4 { color: #12151f; }

.coding-head { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; margin-top: .15rem; }
.coding-title { margin: 0; font-size: 1.06rem; letter-spacing: -.015em; }
.coding-tagline {
  font-size: .82rem;
  font-weight: 640;
  color: var(--tone, var(--accent));
  text-transform: uppercase;
  letter-spacing: .045em;
}
.coding-why { margin: 0; color: var(--fg-dim); font-size: .875rem; line-height: 1.55; }

.coding-use-cases { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; }
.use-label {
  width: 100%;
  font-size: .74rem;
  font-weight: 620;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--fg-faint);
  margin-bottom: .1rem;
}
.use-tag {
  font-size: .745rem;
  padding: .15rem .5rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--fg-dim);
}

.coding-coeffs {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .16rem .7rem;
  font-size: .855rem;
  margin: auto 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--line-soft);
}
.coding-coeffs dt { color: var(--fg-dim); }
.coding-coeffs dd { margin: 0; font-family: var(--mono); font-weight: 640; text-align: right; }
.coding-coeffs dd.cache { color: var(--cache); }

.coding-id { font-size: .74rem; color: var(--fg-faint); overflow-wrap: anywhere; }

/* ==================== 12. Landing: token calculator ==================== */

.calc-panel { position: relative; overflow: hidden; }
.calc-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 12% 0%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%),
    radial-gradient(50% 70% at 92% 100%, color-mix(in srgb, var(--cyan) 11%, transparent), transparent 70%);
  pointer-events: none;
}
.calc-panel > * { position: relative; }

.calc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}
@media (max-width: 820px) { .calc-body { grid-template-columns: minmax(0, 1fr); } }

.calc-left, .calc-right { display: flex; flex-direction: column; gap: .35rem; min-width: 0; }
.calc-right {
  padding-left: 1.4rem;
  border-left: 1px solid var(--line);
}
@media (max-width: 820px) {
  .calc-right { padding-left: 0; padding-top: 1.2rem; border-left: 0; border-top: 1px solid var(--line); }
}

.calc-label {
  text-transform: uppercase;
  letter-spacing: .075em;
  font-weight: 620;
  font-size: .72rem;
}

.calc-rub {
  font-size: clamp(1.9rem, 4.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.1;
}

/* Quick-pick buttons for the amounts that actually unlock tiers. */
.calc-presets { display: flex; flex-wrap: wrap; gap: .35rem; margin: .5rem 0 .2rem; }
.calc-preset {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 620;
  padding: .26rem .58rem;
  border-radius: 999px;
  cursor: pointer;
  color: var(--fg-dim);
  background: var(--panel-2);
  border: 1px solid var(--line);
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.calc-preset:hover { color: var(--fg); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.calc-preset.active {
  color: var(--btn-fg);
  background: var(--accent-grad);
  border-color: transparent;
}

/* Range input, restyled in both engines. */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 26px;
  margin: .3rem 0 0;
  background: transparent;
  cursor: pointer;
}
.calc-slider::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), var(--cyan)) 0 / var(--fill, 40%) 100% no-repeat, var(--panel-3);
  border: 1px solid var(--line);
}
.calc-slider::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: var(--panel-3);
  border: 1px solid var(--line);
}
.calc-slider::-moz-range-progress {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -7px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--accent) 50%, transparent);
  transition: transform .15s var(--ease-out);
}
.calc-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--accent) 50%, transparent);
}
.calc-slider:hover::-webkit-slider-thumb { transform: scale(1.12); }
.calc-slider:focus-visible { outline: none; }
.calc-slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 32%, transparent); }
.calc-slider:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 32%, transparent); }

.calc-range { display: flex; justify-content: space-between; font-family: var(--mono); }

/* ---- Discount ladder ---- */

.calc-tiers {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin-top: .9rem;
  padding-top: .9rem;
  border-top: 1px solid var(--line-soft);
}
.calc-tier {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .05rem;
  flex: 1 1 auto;
  min-width: 62px;
  padding: .32rem .3rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 70%, transparent);
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease-out);
}
.calc-tier .ct-rub { font-family: var(--mono); font-size: .74rem; color: var(--fg-faint); }
.calc-tier .ct-pct { font-family: var(--mono); font-size: .88rem; font-weight: 700; color: var(--fg-dim); }
/* Tiers already unlocked by the current amount. */
.calc-tier.reached {
  border-color: color-mix(in srgb, var(--good) 34%, var(--line));
  background: color-mix(in srgb, var(--good) 9%, transparent);
}
.calc-tier.reached .ct-pct { color: var(--good); }
/* The tier in force right now. */
.calc-tier.active {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 58%, transparent);
  background: var(--accent-grad-soft);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent), 0 6px 18px var(--glow-violet);
}
.calc-tier.active .ct-pct { color: var(--accent); }
.calc-tier.active .ct-rub { color: var(--fg-dim); }

.calc-tokens {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 4.4vw, 2.6rem);
  font-weight: 720;
  letter-spacing: -.04em;
  line-height: 1.1;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.calc-tokens-sub { margin-top: -.15rem; }

/* Discount headline + breakdown on the results side. */
.calc-discount {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  align-self: flex-start;
  margin: .5rem 0 .1rem;
  padding: .26rem .6rem;
  border-radius: 999px;
  font-weight: 660;
  font-size: .82rem;
  color: var(--good);
  border: 1px solid color-mix(in srgb, var(--good) 40%, var(--line));
  background: color-mix(in srgb, var(--good) 11%, transparent);
}
.calc-discount .cd-pct { font-family: var(--mono); font-size: .95rem; font-weight: 740; }
.calc-discount.none { color: var(--fg-faint); border-color: var(--line); background: var(--panel-2); }
.calc-discount:empty,
.calc-discount.none:empty { display: none !important; }

.calc-breakdown {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .18rem .8rem;
  margin: .5rem 0 0;
  font-size: .855rem;
}
.calc-breakdown dt { color: var(--fg-dim); }
.calc-breakdown dd { margin: 0; font-family: var(--mono); font-weight: 620; text-align: right; }
.calc-breakdown dd.bonus { color: var(--good); }

.calc-next {
  margin-top: .6rem;
  padding: .5rem .7rem;
  border-radius: var(--radius-sm);
  border: 1px dashed color-mix(in srgb, var(--accent) 40%, var(--line));
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  color: var(--fg-dim);
  font-size: .82rem;
  line-height: 1.45;
}
.calc-next strong { color: var(--accent); font-weight: 660; }
.calc-next.maxed { border-style: solid; border-color: color-mix(in srgb, var(--gold) 44%, var(--line)); background: color-mix(in srgb, var(--gold) 9%, transparent); }
.calc-next.maxed strong { color: var(--gold); }

.calc-examples { display: flex; flex-direction: column; gap: .28rem; }
.calc-example {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .6rem;
  padding: .3rem .55rem;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel-2) 72%, transparent);
  border: 1px solid var(--line-soft);
}
.calc-footnote { margin: 1.1rem 0 0; padding-top: .8rem; border-top: 1px solid var(--line-soft); }
.calc-toggle { margin: .2rem 0 1rem; }

/* ==================== 13. Landing: cache explainer, spotlight, FAQ ==================== */

.cache-explainer { position: relative; overflow: hidden; }
.cache-explainer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 90% at 100% 0%, color-mix(in srgb, var(--cache) 11%, transparent), transparent 68%);
  pointer-events: none;
}
.cache-explainer > * { position: relative; }
.cache-explainer p { margin: 0 0 .6rem; line-height: 1.6; }

.cache-demo {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 78%, transparent);
}
.cache-demo-row { display: grid; grid-template-columns: 8.5rem 1fr 3.2rem; gap: .6rem; align-items: center; }
@media (max-width: 560px) { .cache-demo-row { grid-template-columns: 6rem 1fr 3rem; } }
.cache-demo-bar {
  height: 12px;
  border-radius: 999px;
  min-width: 8px;
  /* Bars animate out from the left so the 10x gap lands as a visual beat. */
  transform-origin: left center;
  animation: bar-grow .8s var(--ease-out) both;
}
.cache-demo-bar.t-in { background: linear-gradient(90deg, var(--violet), var(--pink)); }
.cache-demo-bar.t-cr { background: linear-gradient(90deg, var(--cache), color-mix(in srgb, var(--cache) 55%, var(--cyan))); }
@keyframes bar-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.cache-demo-row .mono { text-align: right; }
.cache-demo-note { margin-top: .2rem; }

/* Spotlight cards reuse .modelcard and add the role heading. */
.spotlight-role {
  margin: .3rem 0 0;
  font-size: .95rem;
  letter-spacing: -.012em;
  color: var(--accent);
}
.spotlight.tone-gold .spotlight-role { color: var(--gold); }
.spotlight.tone-silver .spotlight-role { color: var(--silver); }
.spotlight.tone-bronze .spotlight-role { color: var(--bronze); }
.spotlight.tone-gold { border-color: color-mix(in srgb, var(--gold) 34%, var(--line)); }
.spotlight.tone-gold::before { background: linear-gradient(90deg, #f6c14b, #ffe9a8, #f6c14b); }
.spotlight.tone-silver::before { background: linear-gradient(90deg, #9aa4bd, #d6dcea, #9aa4bd); }
.spotlight.tone-bronze::before { background: linear-gradient(90deg, #c1743a, #e6a874, #c1743a); }

.all-models-grid { margin-top: .2rem; }

/* ---- FAQ accordion ---- */

.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item:last-child { border-bottom: 0; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: .95rem .2rem;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--fg);
  font: inherit;
  font-size: .98rem;
  font-weight: 580;
  transition: color .18s var(--ease);
}
.faq-q:hover { color: var(--accent); }
.faq-q.open { color: var(--accent); }
.faq-chevron {
  flex: 0 0 auto;
  color: var(--fg-faint);
  transition: transform .24s var(--ease-out), color .18s var(--ease);
}
.faq-q.open .faq-chevron { transform: rotate(180deg); color: var(--accent); }
.faq-body { padding: 0 2rem .95rem .2rem; animation: faq-in .25s var(--ease-out) both; }
.faq-body p { margin: 0; line-height: 1.62; }
@keyframes faq-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ==================== 15. Motion, accessibility, print ==================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .modelcard:hover, .coding-card:hover, .advantage:hover, .use-case:hover { transform: none; }
}

@media print {
  body::before, body::after, .bg-noise, #topbar, #toasts { display: none !important; }
  body { background: #fff; color: #000; }
  .panel, .modelcard, .coding-card { break-inside: avoid; box-shadow: none; border-color: #ccc; }
  a[data-link] { text-decoration: underline; }
}

/* ==================== 16. Dashboard chrome ==================== */

.dash-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: .4rem 0 1.1rem;
}
.dash-greet h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  letter-spacing: -.03em;
  background: linear-gradient(118deg, var(--fg) 34%, var(--accent) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dash-greet p { margin: .2rem 0 0; font-size: .9rem; }
.dash-actions { display: flex; gap: .4rem; flex-wrap: wrap; }

/* Balance warning: loud enough to act on, quiet enough not to shout twice. */
.balance-warn {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin: 0 0 1.1rem;
  padding: .8rem 1rem;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--warn) 42%, var(--line));
  background: color-mix(in srgb, var(--warn) 10%, transparent);
}
.balance-warn strong { color: var(--warn); }
.balance-warn.empty {
  border-color: color-mix(in srgb, var(--bad) 46%, var(--line));
  background: color-mix(in srgb, var(--bad) 10%, transparent);
}
.balance-warn.empty strong { color: var(--bad); }
.balance-warn .bw-icon { font-size: 1.15rem; line-height: 1.3; flex: 0 0 auto; }

/* Top-up ladder, one card per rung. */
.topup-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .6rem;
  margin: .8rem 0;
}
@media (max-width: 1080px) { .topup-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 620px)  { .topup-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.topup-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
  padding: .75rem .5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2) 76%, transparent);
  text-align: center;
  cursor: pointer;
  user-select: none;
  transition: transform .22s var(--ease-out), border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}
.topup-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 46%, var(--line));
  box-shadow: 0 8px 22px var(--glow-violet);
}
.topup-card.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-2));
  box-shadow: 0 0 16px var(--glow-violet);
  transform: translateY(-2px);
}
.topup-card .tc-rub { font-size: 1.02rem; font-weight: 680; letter-spacing: -.02em; }
.topup-card .tc-pct {
  font-family: var(--mono);
  font-size: .86rem;
  font-weight: 720;
  color: var(--good);
}
.topup-card .tc-tokens { color: var(--fg-dim); }

/* Top-up calculator section inside dashboard */
.topup-calc {
  background: color-mix(in srgb, var(--panel-2) 65%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-top: 1rem;
}
.topup-calc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}
.topup-calc-side {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 0;
}
.topup-calc-side.to {
  text-align: right;
  align-items: flex-end;
}
.topup-calc-divider {
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--fg-faint);
  user-select: none;
}
@media (max-width: 680px) {
  .topup-calc-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: .8rem;
  }
  .topup-calc-divider { display: none; }
  .topup-calc-side.to {
    text-align: left;
    align-items: flex-start;
  }
}
.topup-tokens-row {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  flex-wrap: wrap;
}
.topup-slider-wrap {
  margin-top: 1rem;
}
.topup-actions {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.topup-buttons {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
}
.topup-note {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--fg-dim);
  font-size: .84rem;
}
.topup-note-icon {
  color: var(--gold);
}

/* ==================== Docs / installers ==================== */

.docs-h2 {
  margin: 2.2rem 0 .6rem;
  font-size: 1.25rem;
  letter-spacing: -.01em;
}
.docs-faq {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: .55rem;
}
.docs-faq li { color: var(--fg-dim); }
.docs-faq strong { color: var(--fg); }
.panel .copybox { margin-top: .35rem; }
/* ==================== Footer ==================== */

#site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 1.6rem clamp(.9rem, 3vw, 1.6rem) 1.2rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 3rem;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; align-items: center; gap: .7rem; }
.footer-brand .brand-mark { width: 34px; height: 34px; }
.footer-name { font-weight: 800; letter-spacing: .04em; }
.footer-tagline { font-size: .8rem; color: var(--fg-dim); }
.footer-nav { display: flex; flex-wrap: wrap; gap: .4rem 1.3rem; }
.footer-nav a {
  color: var(--fg-dim);
  font-size: .92rem;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.footer-nav a:hover { color: var(--accent); }
.footer-copy {
  max-width: 1280px;
  margin: 1rem auto 0;
  font-size: .78rem;
  color: var(--fg-faint);
}
.footer-copy a { color: var(--fg-dim); text-decoration: none; }
.footer-copy a:hover { color: var(--accent); }

/* ==================== Legal pages ==================== */

.legal { max-width: 780px; }
.legal-head { margin-bottom: 1.6rem; }
.legal-head h1 { margin: 0 0 .3rem; }
.legal-lang-note {
  margin-top: .5rem;
  font-size: .85rem;
  color: var(--fg-faint);
  font-style: italic;
}
.legal-lead { color: var(--fg-dim); }
.legal-section { margin: 0 0 1.5rem; }
.legal-section h2 {
  font-size: 1.06rem;
  letter-spacing: -.01em;
  margin: 0 0 .55rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--line);
}
.legal-section p { color: var(--fg-dim); line-height: 1.62; margin: .45rem 0; }
.legal-list {
  margin: .5rem 0;
  padding-left: 1.15rem;
  display: grid;
  gap: .4rem;
  color: var(--fg-dim);
}
.legal-contacts a { color: var(--accent); }
.legal-contacts li { line-height: 1.5; }

/* ==================== Support / tickets ==================== */

.support-hero { margin-bottom: 1.4rem; }
.support-hero h1 { margin: 0 0 .35rem; }
.support-cards { margin-bottom: 1.4rem; }
.support-cards .panel {
  display: flex;
  flex-direction: column;
}
.support-cards .panel > p.muted {
  flex: 1;
}
.support-cards .panel .btn {
  margin-top: auto;
  align-self: flex-start;
}
.support-auth-row { display: flex; gap: .6rem; margin-top: .8rem; }
.support-form .field { margin-bottom: .8rem; }
.support-form textarea.input {
  width: 100%;
  resize: vertical;
  font-family: inherit;
  padding: .6rem .75rem;
  border-radius: var(--radius);
}
.ticket-table { width: 100%; border-collapse: collapse; }
.ticket-row { cursor: pointer; transition: background .15s var(--ease); }
.ticket-row:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.ticket-table th {
  text-align: left;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg-faint);
  padding: .45rem .6rem;
  border-bottom: 1px solid var(--line);
}
.ticket-table td { padding: .55rem .6rem; border-bottom: 1px solid var(--line); }
.ticket-filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.ticket-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin: .9rem 0 1rem;
}
.ticket-detail-subj { margin: 0 0 .25rem; font-size: 1.08rem; }
.ticket-thread {
  display: grid;
  gap: .7rem;
  margin: .8rem 0 1.1rem;
  max-height: 30rem;
  overflow-y: auto;
  padding: .2rem .2rem .4rem;
}
.ticket-msg {
  max-width: 88%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .6rem .8rem;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}
.ticket-msg.from-admin {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.ticket-msg.from-user { margin-left: auto; }
.ticket-msg-meta { margin-bottom: .3rem; font-size: .82rem; }
.ticket-msg-meta strong { letter-spacing: .01em; }
.ticket-msg-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.55;
  color: var(--fg-dim);
}
.ticket-actions { display: flex; gap: .6rem; }
.ticket-reply-form { margin-top: .4rem; }

@media (max-width: 640px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .ticket-msg { max-width: 100%; }
}

/* ==== Model health badge (dashboard model cards) ==== */

.health-badge {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .13rem .6rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 620;
  letter-spacing: .03em;
  line-height: 1.5;
  border: 1px solid;
  user-select: none;
  white-space: nowrap;
}
.health-badge .dot {
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  position: relative;
  flex: none;
}
.health-badge .txt { opacity: .92; }

.health-badge.online {
  color: #34d399;
  border-color: rgba(52, 211, 153, .32);
  background: rgba(52, 211, 153, .09);
}
.health-badge.online .dot {
  background: #34d399;
  box-shadow: 0 0 7px rgba(52, 211, 153, .85);
  animation: hb-pulse 2.4s ease-in-out infinite;
}

.health-badge.offline {
  color: #f87171;
  border-color: rgba(248, 113, 113, .34);
  background: rgba(248, 113, 113, .09);
}
.health-badge.offline .dot {
  background: #f87171;
  box-shadow: 0 0 6px rgba(248, 113, 113, .75);
}
.health-badge.offline .dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid rgba(248, 113, 113, .55);
  animation: hb-ring 1.9s ease-out infinite;
}

@keyframes hb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}
@keyframes hb-ring {
  0% { transform: scale(.55); opacity: .95; }
  100% { transform: scale(1.65); opacity: 0; }
}

.modelcard.offline { opacity: .6; }
.modelcard.offline .mc-coeffs { opacity: .65; }


/* ==================== 17. Catalog Filter & UI Polish ==================== */



/* Copyable model slug */
.mc-id-copyable {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  width: fit-content;
  border-radius: var(--radius-xs);
  padding: .1rem .35rem;
  margin-left: -.35rem;
  transition: background-color .15s var(--ease), color .15s var(--ease), transform .15s var(--ease);
}
.mc-id-copyable:hover {
  background: var(--panel-2);
  color: var(--accent-2);
  transform: translateX(2px);
}
.mc-id-copyable.copied {
  color: var(--good) !important;
  background: color-mix(in srgb, var(--good) 14%, transparent);
}

/* Responsive top navigation on mobile */
@media (max-width: 820px) {
  #topbar {
    padding: .45rem .8rem .35rem;
    gap: .4rem .6rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "brand spacer user"
      "nav   nav    nav";
    min-height: auto;
  }
  .brand {
    grid-area: brand;
    margin-right: 0;
  }
  .spacer {
    grid-area: spacer;
    display: none;
  }
  #balance-chip {
    grid-area: spacer;
    display: inline-flex;
    align-items: center;
    justify-self: end;
    margin-right: .3rem;
  }
  #userbox {
    grid-area: user;
    justify-content: flex-end;
    gap: .3rem;
    flex-wrap: nowrap;
  }
  #mainnav {
    grid-area: nav;
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100%;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: .2rem 0 .15rem;
    margin: 0 -.4rem;
    padding-left: .4rem;
  }
  #mainnav::-webkit-scrollbar {
    display: none;
  }
}
