/* Rhythm Desk. Two themes, one set of variables, no framework.
   theme.js stamps data-theme on <html> before first paint. */

:root[data-theme="dark"] {
  --bg: #0b1016; --panel: #121a24; --panel2: #0f1720; --line: #23303e;
  --ink: #e6edf5; --dim: #93a4b8; --accent: #f472b6; --accent2: #7dd3fc;
  --ok: #34d399; --warn: #fbbf24; --err: #f87171; --shadow: 0 1px 2px rgba(0,0,0,.4);
}
:root[data-theme="light"] {
  --bg: #f7f9fc; --panel: #ffffff; --panel2: #f1f5f9; --line: #d9e2ec;
  --ink: #101822; --dim: #55657a; --accent: #be185d; --accent2: #0369a1;
  --ok: #047857; --warn: #b45309; --err: #b91c1c; --shadow: 0 1px 2px rgba(16,24,34,.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent2); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.hidden { display: none !important; }
.muted { color: var(--dim); }
.small { font-size: .875rem; }

/* --- header ------------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel2);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.backlink { text-decoration: none; font-size: .875rem; color: var(--dim); }
.backlink:hover { color: var(--ink); }
.sep { color: var(--line); }
.topactions { display: flex; align-items: center; gap: 8px; }
.credits { font-size: .875rem; color: var(--dim); white-space: nowrap; }
.credits strong, #creditsValue { color: var(--ink); }

/* --- buttons ------------------------------------------------------------ */
button { font: inherit; cursor: pointer; }
.ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 12px; text-decoration: none; display: inline-block;
}
.ghost:hover { border-color: var(--accent2); color: var(--accent2); }
.ghost.small { padding: 4px 9px; font-size: .8125rem; }
.primary {
  background: var(--accent); color: #fff; border: 1px solid transparent;
  border-radius: 10px; padding: 10px 18px; font-weight: 600;
}
.primary:hover:not(:disabled) { filter: brightness(1.08); }
.primary:disabled { opacity: .45; cursor: not-allowed; }

/* --- layout ------------------------------------------------------------- */
.wrap { max-width: 900px; margin: 0 auto; padding: 24px 16px 64px; }
.hero { margin: 8px 0 22px; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); line-height: 1.2; margin: 0 0 10px; }
.lede { font-size: 1.05rem; margin: 0 0 10px; }
.disclaimer {
  margin: 0 0 14px; padding: 10px 12px; border-left: 3px solid var(--warn);
  background: var(--panel2); border-radius: 0 8px 8px 0; font-size: .9rem; color: var(--dim);
}
.herobtns { display: flex; flex-wrap: wrap; gap: 8px; }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin: 0 0 16px; box-shadow: var(--shadow);
}
.card h2 { font-size: 1.05rem; margin: 0 0 8px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.tabs { display: flex; gap: 6px; margin: 0 0 16px; flex-wrap: wrap; }
.tab {
  background: var(--panel); color: var(--dim); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px;
}
.tab.active { color: var(--ink); border-color: var(--accent); background: var(--panel2); font-weight: 600; }

/* --- forms -------------------------------------------------------------- */
.field { display: block; margin: 0 0 12px; }
.field.inline { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.label { display: block; font-size: .8125rem; color: var(--dim); margin: 0 0 4px; }
.field.inline .label { margin: 0; }
textarea, input[type="text"], input[type="number"], select {
  width: 100%; background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; font: inherit;
}
textarea { resize: vertical; min-height: 150px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .875rem; }
select, input[type="number"] { max-width: 100%; }
.field.inline select { width: auto; padding: 4px 8px; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent2); outline-offset: 1px; }

.row { display: grid; gap: 12px; }
.row.three { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

.dropzone {
  border: 1px dashed var(--line); border-radius: 10px; padding: 14px;
  margin: 0 0 14px; text-align: center; background: var(--panel2);
}
.dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--panel2)); }
.dropzone p { margin: 0 0 6px; }

.pill {
  font-size: .75rem; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--dim);
}
.pill.free { color: var(--ok); border-color: var(--ok); }
.btnrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* --- run, progress ------------------------------------------------------ */
.runcard { position: sticky; bottom: 0; z-index: 10; }
.runrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.estimate { font-size: .875rem; color: var(--dim); }
.estimate strong { color: var(--ink); }
.progress .progresshead { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.step { display: flex; align-items: center; gap: 8px; color: var(--dim); font-size: .9rem; }
.step-ic {
  width: 10px; height: 10px; border-radius: 50%; flex: 0 0 10px;
  border: 1px solid var(--line); background: transparent;
}
.step.live { color: var(--ink); }
.step.live .step-ic { border-color: var(--accent); background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
.step.done { color: var(--ink); }
.step.done .step-ic { border-color: var(--ok); background: var(--ok); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .step.live .step-ic { animation: none; } }

/* --- result ------------------------------------------------------------- */
.resulthead { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.badge {
  font-size: .75rem; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink); background: var(--panel2);
}
.badge.muted { color: var(--dim); }
.warnline {
  margin: 0 0 10px; padding: 8px 10px; border-left: 3px solid var(--warn);
  background: var(--panel2); border-radius: 0 8px 8px 0; font-size: .9rem;
}
.block { margin: 0 0 14px; }
.block h3 { font-size: .95rem; margin: 0 0 6px; }
.plainlist, .flaglist, .covlist, .fix-list { margin: 0; padding-left: 18px; }
.plainlist li, .flaglist li, .covlist li, .fix-list li { margin: 0 0 4px; }
.raw { white-space: pre-wrap; word-break: break-word; background: var(--panel2);
       border: 1px solid var(--line); border-radius: 8px; padding: 10px; font-size: .85rem;
       font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-weight: 600; white-space: nowrap; }

.findings { display: grid; gap: 10px; }
.findhead { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.findtitle { font-weight: 600; }
.fid, .flagid, .rowid { font-family: ui-monospace, Menlo, monospace; font-size: .78rem; color: var(--dim); }
.why { margin: 4px 0 0; }
.fix { margin: 4px 0 0; }
.focusitem { border-left: 3px solid var(--accent); padding-left: 10px; }
.covmark { font-weight: 600; }
.covnote { color: var(--dim); }
.sev-high { color: var(--err); }
.sev-medium { color: var(--warn); }
.sev-low { color: var(--dim); }
.warn { color: var(--warn); }

/* --- handoff, history --------------------------------------------------- */
.handoff { border-style: dashed; }
.histhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.histhead h2 { margin: 0; }
.histctl { display: flex; align-items: center; gap: 8px; }
.histrow { border-top: 1px solid var(--line); padding: 10px 0; }
.histrow:first-child { border-top: 0; }
.histtitle { font-weight: 600; }
.histmeta { color: var(--dim); font-size: .8125rem; }

/* --- footer, toasts ----------------------------------------------------- */
.foot { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--dim); font-size: .875rem; }
.foot p { margin: 0 0 6px; }
.toasts { position: fixed; right: 14px; bottom: 14px; display: grid; gap: 8px; z-index: 40; max-width: min(420px, calc(100vw - 28px)); }
.toast {
  background: var(--panel); border: 1px solid var(--line); border-left-width: 3px;
  border-radius: 8px; padding: 9px 12px; box-shadow: var(--shadow); font-size: .9rem;
  transition: opacity .5s ease;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }
.toast.gone { opacity: 0; }
.toast a { margin-left: 6px; }

/* --- documentation pages (api.html, tokens.html) --------------------------- */
.doc { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }
.doc h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); line-height: 1.25; margin: 8px 0 16px; }
.doc h2 { font-size: 1.25rem; margin: 32px 0 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 1.02rem; margin: 22px 0 8px; }
.doc p { margin: 0 0 12px; }
.doc ol, .doc ul { padding-left: 20px; }
.doc ol.spaced > li { margin: 0 0 14px; }
.doc code { background: var(--panel2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
.doc pre code, pre code { background: none; border: 0; padding: 0; }

.callout {
  border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0; background: var(--panel); padding: 14px 16px; margin: 0 0 18px;
}
.callout p { margin: 8px 0 0; }

.deftable { margin: 0 0 16px; display: block; overflow-x: auto; }
.deftable th { vertical-align: top; }
.deftable tbody th { text-align: left; white-space: nowrap; padding-right: 16px; }

.doc pre.raw { margin: 0 0 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; line-height: 1.5; }
.codegroup { margin: 0 0 18px; }
.codegroup .tabs { margin: 0 0 8px; }
.codegroup .tab { padding: 4px 11px; font-size: .8125rem; }
.codegroup pre[hidden] { display: none; }

.statebox { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 12px 14px; margin: 0 0 18px; }
.statebox p { margin: 6px 0 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }
.tokenrow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 12px; }
.tokenbox {
  flex: 1 1 320px; min-width: 0; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; font-family: ui-monospace, Menlo, monospace;
  font-size: .85rem; word-break: break-all;
}
.mini {
  background: transparent; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 11px; font-size: .8125rem;
}
.mini:hover:not(:disabled) { border-color: var(--accent2); color: var(--accent2); }
.mini:disabled { opacity: .45; cursor: not-allowed; }
.doc + .foot, main + .foot { max-width: 860px; margin: 0 auto 40px; padding: 14px 16px 0; }
