/* Wave Rules — dark by design: this is read at night, next to a broker app.
   Colours: slate ground, amber for the impulse, violet for the correction,
   teal/red for candles. The red/green pair is backed up by hollow vs filled
   bodies, so direction never rests on colour alone. */

:root {
  --bg: #0d1117;
  --panel: #151b24;
  --panel-2: #1b222c;
  --line: #262e3a;
  --line-soft: #1e2530;
  --ink: #e8eaed;
  --ink-2: #a3acba;
  --ink-3: #6f7987;
  --accent: #e0a62e;
  --accent-soft: rgba(224, 166, 46, .14);
  --corr: #9476e8;
  --bull: #1fa98c;
  --bear: #e05a45;
  --ok: #1fa98c;
  --warn: #e0a62e;
  --bad: #e05a45;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* A display rule on .view would otherwise beat the browser's own [hidden],
   and every screen would render stacked on top of the last. */
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 15px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* ---- top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; padding-top: calc(12px + env(safe-area-inset-top, 0px));
  background: rgba(13, 17, 23, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 600; letter-spacing: .06em; font-size: .95rem; }
.brand b { color: var(--accent); }
.brand .mark { color: var(--accent); margin-right: 4px; }
.pill {
  font-family: var(--mono); font-size: .72rem; padding: 6px 11px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--ink-2); cursor: pointer;
}
.pill.on { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); }
.pill.demo { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }

/* ---- layout */
main { max-width: 980px; margin: 0 auto; padding: 16px; display: grid; gap: 14px; }
.view { display: grid; gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px; min-width: 0;
}
h1 { font-size: clamp(1.35rem, 5vw, 1.9rem); line-height: 1.15; margin: 2px 0 8px; letter-spacing: -.02em; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
p { margin: 0 0 10px; }
.accent { color: var(--accent); }
.muted { color: var(--ink-2); font-size: .92rem; }
.tiny { color: var(--ink-3); font-size: .78rem; font-family: var(--mono); }
.dim { color: var(--ink-3); }
.eyebrow {
  font-family: var(--mono); font-size: .67rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px;
}

/* ---- form */
.field { display: grid; gap: 5px; margin-bottom: 12px; min-width: 0; }
.field > span { font-size: .78rem; color: var(--ink-2); font-weight: 500; }
.field small { color: var(--ink-3); font-weight: 400; }
input, textarea, select {
  width: 100%; font: inherit; font-size: .95rem;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
textarea { font-family: var(--mono); font-size: .8rem; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.rowspread { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 10px; }

button { font: inherit; cursor: pointer; border-radius: 9px; }
.primary {
  width: 100%; padding: 13px 16px; font-weight: 600; font-size: 1rem;
  background: var(--accent); color: #1a1205; border: none; margin-top: 4px;
}
.primary:disabled { opacity: .5; cursor: not-allowed; }
.ghost {
  width: 100%; padding: 11px 16px; margin-top: 8px;
  background: transparent; color: var(--ink-2); border: 1px solid var(--line);
}
.ghost.small { width: auto; padding: 7px 13px; font-size: .82rem; margin-top: 0; }
.ghost:hover { border-color: var(--ink-3); color: var(--ink); }
.search { margin-bottom: 10px; }
.help { margin: 4px 0 12px; }
.help summary { cursor: pointer; color: var(--accent); font-size: .85rem; }
.help p { font-size: .85rem; color: var(--ink-2); margin-top: 8px; }

.msg { font-size: .85rem; min-height: 1.2em; margin: 10px 0 0; }
.msg.err { color: var(--bad); }
.msg.ok { color: var(--ok); }

/* ---- progress */
.prog { height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; margin-top: 12px; }
.prog > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }

/* ---- stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.stats > div { background: var(--panel); padding: 11px 13px; }
.stats dt { font-family: var(--mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.stats dd { margin: 3px 0 0; font-family: var(--mono); font-size: 1.15rem; font-weight: 600; }

/* ---- tables */
.tablewrap { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .85rem; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
thead th {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 500; white-space: nowrap; position: sticky; top: 0; background: var(--panel);
}
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child td { border-bottom: none; }
td.n, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.sym { font-weight: 600; }
.sub { display: block; color: var(--ink-3); font-size: .72rem; font-weight: 400; }

.tag { font-family: var(--mono); font-size: .68rem; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; }
.tag.WATCH { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.tag.TRIGGER { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.tag.INVALIDATED { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); }
.tag.NO { color: var(--ink-3); }

/* ---- chart */
.chartcard { padding: 0; overflow: hidden; }
.toolbar { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 12px; background: var(--panel-2); border-bottom: 1px solid var(--line-soft); }
.tg { font-family: var(--mono); font-size: .7rem; padding: 5px 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink-2); }
.tg[aria-pressed="true"] { background: var(--accent); color: #1a1205; border-color: var(--accent); }
.scroller { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
.scroller svg { display: block; min-width: 860px; width: 100%; height: auto; }
.hint { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-top: 1px solid var(--line-soft); font-family: var(--mono); font-size: .68rem; color: var(--ink-3); }

/* ---- score breakdown */
.chk { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.chk:last-child { border-bottom: none; }
.chk .k { font-weight: 500; font-size: .88rem; }
.chk .v { font-family: var(--mono); font-size: .85rem; white-space: nowrap; }
.chk .n { grid-column: 1 / -1; color: var(--ink-3); font-size: .76rem; font-family: var(--mono); }
.bar { grid-column: 1 / -1; height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; margin-top: 3px; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.total { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.total b { font-family: var(--mono); font-size: 1.9rem; }
.flag { color: var(--warn); font-size: .84rem; margin-top: 10px; }
.inval { display: grid; gap: 3px; padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.inval:last-child { border-bottom: none; }
.inval b { font-family: var(--mono); }
.alt { padding: 10px 0; border-bottom: 1px solid var(--line-soft); font-size: .85rem; }
.alt:last-child { border-bottom: none; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }