/* ChromaJev application chrome. Preview colours live in playground.css. */
:root {
  --app-bg: #f7f5fc;
  --app-surface: #ffffff;
  --app-surface-2: #f0edf8;
  --app-text: #1d1b2e;
  --app-muted: #5d5a72;
  --app-border: #e2dcef;
  --app-primary: #5b2fd6;
  --app-primary-ink: #ffffff;
  --app-primary-soft: #ece5ff;
  --app-focus: #5b2fd6;
  --app-ok: #11734b;
  --app-ok-soft: #e1f5ea;
  --app-warn: #8f3b00;
  --app-warn-soft: #fff0e0;
  --app-error: #b0213a;
  --app-error-soft: #fde8ec;
  --app-shadow: 0 1px 2px rgb(30 20 60 / 6%), 0 8px 28px rgb(30 20 60 / 8%);
  --rainbow: linear-gradient(90deg, #ff4f7b, #ff8a3d, #ffb627, #2bb673, #1fa5c9, #3a86ff, #8b5cf6);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --app-bg: #13111c;
    --app-surface: #1c1a28;
    --app-surface-2: #252236;
    --app-text: #f1eff8;
    --app-muted: #aaa6bf;
    --app-border: #34304a;
    --app-primary: #a78bfa;
    --app-primary-ink: #160f2e;
    --app-primary-soft: #2c2448;
    --app-focus: #c4b5fd;
    --app-ok: #6ee7a8;
    --app-ok-soft: #10301f;
    --app-warn: #fdba74;
    --app-warn-soft: #3a2410;
    --app-error: #fda4af;
    --app-error-soft: #3d1520;
    --app-shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 10px 30px rgb(0 0 0 / 35%);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--app-bg);
  color: var(--app-text);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--app-primary); text-underline-offset: 3px; }
code { font: .9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--app-surface-2); padding: 1px 5px; border-radius: 5px; }
:focus-visible { outline: 3px solid var(--app-focus); outline-offset: 2px; }
h1 { font-size: clamp(26px, 3.4vw, 34px); line-height: 1.15; letter-spacing: -.025em; margin: 0 0 8px; }
h2 { letter-spacing: -.015em; }
.muted { color: var(--app-muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--app-surface); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px clamp(16px, 4vw, 40px); position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--app-bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--app-border); }
.site-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--rainbow); opacity: .55; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--app-text); text-decoration: none; font-size: 20px; letter-spacing: -.02em; }
.brand b { background: var(--rainbow); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-mark { width: 30px; height: 30px; }
.logo-mark circle { mix-blend-mode: multiply; }
.lm-a { fill: #ff4f7b; } .lm-b { fill: #ffb627; } .lm-c { fill: #3a86ff; }
@media (prefers-color-scheme: dark) { .logo-mark circle { mix-blend-mode: screen; } }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a, .link-button { color: var(--app-muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-weight: 500; font-size: 15px; }
.site-nav a:hover, .link-button:hover { color: var(--app-text); background: var(--app-surface-2); }
.site-nav a.is-active { color: var(--app-text); background: var(--app-primary-soft); }
.link-button { background: none; border: 0; cursor: pointer; font: inherit; }
.inline-form { display: inline; margin: 0; }

.container { width: min(1100px, 100% - 32px); margin: 28px auto 48px; flex: 1; }
.container.wide { width: min(1320px, 100% - 32px); }
.site-footer { text-align: center; color: var(--app-muted); font-size: 13px; padding: 24px 16px; border-top: 1px solid var(--app-border); }

/* Buttons & form controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; font-size: 15px; padding: 9px 16px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: transform .08s ease, background-color .15s, box-shadow .15s; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-primary { background: var(--app-primary); color: var(--app-primary-ink); box-shadow: 0 4px 14px color-mix(in srgb, var(--app-primary) 30%, transparent); }
.btn-primary:hover { background: color-mix(in srgb, var(--app-primary) 88%, var(--app-text)); }
.btn-secondary { background: var(--app-surface); color: var(--app-text); border-color: var(--app-border); }
.btn-secondary:hover { background: var(--app-surface-2); }
.btn-ghost { background: transparent; color: var(--app-text); border-color: var(--app-border); }
.btn-ghost:hover { background: var(--app-surface-2); }
.btn-danger { background: var(--app-error-soft); color: var(--app-error); border-color: color-mix(in srgb, var(--app-error) 35%, transparent); }
.btn-sm { padding: 4px 10px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 12px 22px; font-size: 17px; }
input, select, textarea { font: inherit; color: var(--app-text); background: var(--app-surface); border: 1px solid color-mix(in srgb, var(--app-muted) 55%, var(--app-border)); border-radius: 10px; padding: 9px 12px; width: 100%; }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--app-primary); }
label { display: grid; gap: 4px; font-weight: 600; font-size: 14px; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.stack { display: grid; gap: 14px; }
.stack.narrow { max-width: 520px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.wrap { align-items: flex-end; }
.grow { flex: 1 1 220px; }
fieldset.scopes { border: 1px solid var(--app-border); border-radius: 10px; display: flex; gap: 12px; flex-wrap: wrap; padding: 6px 12px 10px; margin: 0; }
fieldset.scopes legend { font-size: 13px; color: var(--app-muted); }

/* Flash, badges, chips */
.flash { padding: 12px 14px; border-radius: 12px; margin: 0 0 16px; border: 1px solid; }
.flash-success { background: var(--app-ok-soft); color: var(--app-ok); border-color: color-mix(in srgb, var(--app-ok) 30%, transparent); }
.flash-error { background: var(--app-error-soft); color: var(--app-error); border-color: color-mix(in srgb, var(--app-error) 30%, transparent); }
.flash-info { background: var(--app-primary-soft); color: var(--app-text); border-color: var(--app-border); }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--app-surface-2); color: var(--app-muted); vertical-align: middle; }
.badge-ok, .badge-accepted { background: var(--app-ok-soft); color: var(--app-ok); }
.badge-warn, .badge-expired, .badge-revoked { background: var(--app-warn-soft); color: var(--app-warn); }
.badge-pending { background: var(--app-primary-soft); color: var(--app-primary); }
.badge-cache { background: var(--app-ok-soft); color: var(--app-ok); }
.badge-fresh { background: var(--app-primary-soft); color: var(--app-primary); }
.error-text { color: var(--app-error); }
.chip { font: inherit; font-size: 14px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--app-border); background: var(--app-surface); color: var(--app-text); cursor: pointer; transition: transform .1s, border-color .15s, background-color .15s; }
.chip:hover { transform: translateY(-1px); border-color: var(--app-primary); }
.chip.is-active { background: var(--app-primary-soft); border-color: var(--app-primary); }
.chip-static { cursor: default; }
.chip-static:hover { transform: none; border-color: var(--app-border); }

/* Hero & generator */
.hero { text-align: center; padding: clamp(24px, 6vw, 64px) 0 24px; }
.hero-compact { padding-top: 12px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 700; color: var(--app-muted); margin: 0 0 6px; }
.hero-title { font-size: clamp(32px, 5.5vw, 58px); line-height: 1.04; letter-spacing: -.035em; margin: 0 auto 14px; max-width: 16ch; }
.rainbow { background: var(--rainbow); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { color: var(--app-muted); font-size: 18px; max-width: 62ch; margin: 0 auto 22px; }
.hero-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.concept-form { display: flex; gap: 10px; max-width: 640px; margin: 0 auto 16px; padding: 8px; background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 16px; box-shadow: var(--app-shadow); }
.concept-form input { border: 0; font-size: 19px; background: transparent; padding: 10px 12px; }
.concept-form input:focus-visible { outline: none; }
.concept-form:focus-within { outline: 3px solid var(--app-focus); outline-offset: 2px; }
.examples { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 820px; margin: 0 auto; }
.recent { margin-top: 14px; }
.status-line { min-height: 24px; margin-top: 14px; color: var(--app-muted); }
.status-line.is-busy::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 8px; border-radius: 50%; background: var(--rainbow); animation: spin 0.9s linear infinite; vertical-align: -1px; }
.status-line.is-error { color: var(--app-error); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .status-line.is-busy::before { animation: none; } * { transition: none !important; } }

.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
.how-step { background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 16px; padding: 20px; }
.how-step h3 { margin: 8px 0 6px; }
.how-step p { margin: 0; color: var(--app-muted); }
.how-num { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--rainbow); color: #fff; font-weight: 800; }

/* Results */
.result-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin: 12px 0 16px; }
.result-title { margin: 0; font-size: clamp(28px, 4vw, 40px); }
.panel { background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 16px; padding: clamp(14px, 2.5vw, 22px); margin: 0 0 18px; }
.panel-title { font-size: 18px; margin: 0 0 8px; display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; }
details.panel > summary { cursor: pointer; list-style: none; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::before { content: "▸"; display: inline-block; margin-right: 8px; transition: transform .15s; color: var(--app-muted); }
details.panel[open] > summary::before { transform: rotate(90deg); }
details.panel > summary .panel-title { margin: 0; }
.save-form { display: grid; gap: 12px; max-width: 560px; margin-left: auto; }
.notes { white-space: pre-wrap; background: var(--app-surface); border-left: 4px solid var(--app-primary); padding: 10px 14px; border-radius: 8px; }

.ws-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; position: sticky; top: 66px; z-index: 4; padding: 8px 0; background: var(--app-bg); }
.mode-toggle { display: inline-flex; background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 999px; padding: 4px; box-shadow: var(--app-shadow); }
.mode-toggle button { font: inherit; font-weight: 600; border: 0; background: transparent; color: var(--app-muted); padding: 7px 16px; border-radius: 999px; cursor: pointer; }
.mode-toggle button[aria-checked="true"] { background: var(--app-text); color: var(--app-bg); }
.ws-meta { display: inline-flex; gap: 8px; align-items: center; }
.semantic-strip { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.semantic-chip { display: inline-flex; gap: 10px; align-items: center; background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 999px; padding: 5px 8px 5px 5px; }
.semantic-dot { width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgb(0 0 0 / 10%); }
.lock-btn { border: 0; background: transparent; cursor: pointer; font-size: 14px; opacity: .55; padding: 2px 4px; border-radius: 6px; }
.lock-btn.is-locked, .lock-btn:hover { opacity: 1; background: var(--app-surface-2); }

.swatch-groups { display: grid; gap: 18px; margin-bottom: 20px; }
.swatch-group-title { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--app-muted); margin: 0 0 8px; }
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.swatch-grid-small { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.swatch { background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 14px; overflow: hidden; transition: transform .12s; }
.swatch:hover { transform: translateY(-2px); }
.swatch-big { grid-column: span 2; }
.swatch-colour { height: 64px; display: flex; align-items: flex-end; justify-content: space-between; padding: 8px 10px; border-bottom: 1px solid var(--app-border); transition: background-color .18s ease; }
.swatch-big .swatch-colour { height: 104px; }
.swatch-sample { font-size: 28px; font-weight: 800; letter-spacing: -.03em; }
.swatch-flag { font-size: 11px; font-weight: 700; background: rgb(255 255 255 / 85%); color: #222; padding: 1px 6px; border-radius: 999px; }
.swatch-meta { padding: 8px 10px; display: grid; gap: 2px; }
.swatch-role { font-weight: 700; font-size: 13px; }
.swatch-name { font-size: 12px; color: var(--app-muted); }
.copy-hex { justify-self: start; font: 12px ui-monospace, Menlo, monospace; border: 1px dashed var(--app-border); background: transparent; color: var(--app-text); padding: 2px 6px; border-radius: 6px; cursor: copy; }
.copy-hex:hover, .copy-hex.is-copied { border-style: solid; border-color: var(--app-primary); }
@media (max-width: 520px) { .swatch-big { grid-column: auto; } }

.scene-tab { font: inherit; font-size: 14px; font-weight: 600; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--app-border); background: var(--app-surface); color: var(--app-muted); cursor: pointer; }
.scene-tab.is-active { color: var(--app-text); background: var(--app-primary-soft); border-color: var(--app-primary); }

.export-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.export-pre { background: var(--app-surface-2); border: 1px solid var(--app-border); border-radius: 12px; padding: 14px; max-height: 340px; overflow: auto; font: 13px/1.5 ui-monospace, Menlo, monospace; white-space: pre; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--app-muted); padding: 8px; border-bottom: 1px solid var(--app-border); white-space: nowrap; }
.table td { padding: 8px; border-bottom: 1px solid var(--app-border); vertical-align: middle; }
.table td.actions { white-space: nowrap; }
.contrast-sample { display: inline-grid; place-items: center; width: 40px; height: 26px; border-radius: 6px; font-weight: 800; border: 1px solid; }
.mini { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: -2px; box-shadow: inset 0 0 0 1px rgb(0 0 0 / 15%); }
.adjust-list { padding-left: 18px; font-size: 14px; }
.bar { display: inline-block; width: 90px; height: 8px; background: var(--app-surface-2); border-radius: 999px; overflow: hidden; vertical-align: middle; }
.bar > span { display: block; height: 100%; background: var(--rainbow); }

/* Jev view */
.jev-h { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--app-muted); margin: 18px 0 8px; }
.jev-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.dist-row { display: grid; grid-template-columns: 1fr 90px 40px; gap: 8px; align-items: center; font-size: 14px; }
.scale { position: relative; height: 10px; border-radius: 999px; background: linear-gradient(90deg, var(--app-surface-2), var(--app-primary-soft)); border: 1px solid var(--app-border); }
.scale-marker { position: absolute; top: -5px; width: 18px; height: 18px; margin-left: -9px; border-radius: 50%; background: var(--app-primary); border: 3px solid var(--app-surface); box-shadow: var(--app-shadow); }
.scale-ends { display: flex; justify-content: space-between; margin-top: 4px; }

/* Library */
.library-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.lib-card { display: block; background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 18px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .12s, box-shadow .15s; }
.lib-card:hover { transform: translateY(-3px); box-shadow: var(--app-shadow); }
.lib-preview { display: grid; grid-template-columns: 1fr 1fr; }
.lib-mode { height: 96px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.lib-mode span { width: 26px; height: 26px; border-radius: 50%; box-shadow: 0 2px 6px rgb(0 0 0 / 15%); }
.lib-body { padding: 12px 14px; }
.lib-body h2 { margin: 0 0 2px; font-size: 18px; }
.lib-body p { margin: 4px 0 0; }
.empty { text-align: center; padding: 60px 0; }

/* Auth */
.auth-card { max-width: 440px; margin: 20px auto; background: var(--app-surface); border: 1px solid var(--app-border); border-radius: 20px; padding: clamp(20px, 4vw, 32px); box-shadow: var(--app-shadow); }
.auth-card h1 { font-size: 26px; }
.auth-logo .logo-mark { width: 44px; height: 44px; }
.auth-links { font-size: 14px; margin-top: 16px; }
.scope-list { padding-left: 18px; }
.scope-list li { margin: 6px 0; }

/* Account/admin */
.cards-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.cards-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; }
.dl dt { color: var(--app-muted); }
.dl dd { margin: 0; }
.secret { word-break: break-all; font-size: 14px; }
.prose { max-width: 860px; }
.prose pre { white-space: pre-wrap; }

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ws-toolbar { top: 0; position: static; }
  .concept-form { flex-direction: column; }
}