/* =====================================================================
   SR Markets Desk — base.css
   Tokens, reset, typography, shared primitives (tables, tags, panels).
   Light is the default; html[data-theme="dark"] overrides the palette.
   Variable names are the v1 contract — do NOT rename.
   ===================================================================== */

:root, [data-theme="light"] {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel2: #f6f6f6;
  --border: #e6e6e6;
  --hairline: #efefef;
  --text: #0d0d0d;
  --muted: #5f5f5f;
  --faint: #767676;        /* AA on white (was #9a9a9a, failed) */
  --green: #097a42;
  --red: #c92a26;
  --gold: #9a5500;         /* AA on white at small sizes (was #c76e00) */
  --amber: #0d0d0d;        /* numeric ink */
  --zebra: #fafafa;
  --hover: #f5f1e8;
  --topbar-bg: rgba(255,255,255,.9);
  --sidebar-bg: #fbfbfb;
  --shadow: 0 2px 10px rgba(0,0,0,.06);
  --line: var(--border);   /* alias used by ARCHITECTURE.md */
  --mono: Menlo, "SF Mono", Consolas, "Lucida Console", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color-scheme: light;
}
html[data-theme="dark"] {
  --bg: #0a0a0b;
  --panel: #141416;
  --panel2: #1b1b1e;
  --border: #2a2a30;
  --hairline: #1f1f23;
  --text: #f3f3f1;
  --muted: #9a9aa0;
  --faint: #66666c;
  --green: #00d977;
  --red: #ff4d4f;
  --gold: #fb8b1e;
  --amber: #ffd9a3;
  --zebra: #161619;
  --hover: #20201a;
  --topbar-bg: rgba(10,10,11,.9);
  --sidebar-bg: #0d0d0e;
  --shadow: 0 2px 12px rgba(0,0,0,.5);
  color-scheme: dark;
}

/* ---------------- reset ---------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); -webkit-text-size-adjust: 100%; }
@media (max-width: 920px) { html { scroll-behavior: auto; } }   /* smooth scrolling fights touch scrolling on iOS */
body {
  background: var(--bg); color: var(--text);
  font: 13px/1.45 var(--sans);
  min-height: 100vh;
}
::selection { background: var(--gold); color: #fff; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold); }
button { font-family: inherit; color: inherit; }
button, [role="button"] { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
.mono { font-family: var(--mono); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
html.modal-open, html.modal-open body { overflow: hidden; }

/* direction colours (numbers) */
.up { color: var(--green); } .down { color: var(--red); } .flat { color: var(--muted); }

/* ---------------- typography ---------------- */
h1 { font-size: 18px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
h2 { display: flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--gold);
  margin: 26px 0 11px; border-left: 3px solid var(--gold); padding-left: 9px; scroll-margin-top: 80px; }
h2::after { content: ""; flex: 1; height: 1px; background: var(--border); min-width: 30px; }
h2 small { text-transform: none; letter-spacing: .2px; font-weight: 400; color: var(--faint); font-size: 10.5px; }
kbd { font: 600 10px/1 var(--mono); color: var(--muted); background: var(--panel2);
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 3px; padding: 2px 5px; }

/* ---------------- view wrapper ---------------- */
/* padding + cap; the shell adds margin-left for the rail, so no explicit width here (it would overflow) */
.view { padding: 0 26px 70px; max-width: 1440px; min-width: 0; }
.view-missing { margin: 40px auto; max-width: 480px; text-align: center; color: var(--muted); }
.view-missing b { display: block; color: var(--text); font-size: 15px; margin-bottom: 6px; }
.view-missing code { font-family: var(--mono); color: var(--gold); font-size: 11.5px; }

/* ---------------- panels & tables (shared) ---------------- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 14px 16px; }
.panel h3 { font-size: 13px; font-weight: 700; letter-spacing: .3px; }
.panel .sub { color: var(--faint); font-size: 11px; margin: 4px 0 10px; }
.panel select { background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 7px; font-size: 12px; float: right; cursor: pointer; }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th { text-align: left; color: var(--faint); font-weight: 600; font-size: 10px;
  text-transform: uppercase; letter-spacing: 1px; padding: 4px 8px 7px; border-bottom: 1px solid var(--border); }
td { padding: 6.5px 8px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) td { background: var(--zebra); }
tbody tr:hover td { background: var(--hover); }
td.num, th.num { text-align: right; font-family: var(--mono); font-size: 11.5px; }
.tag { display: inline-block; font-size: 10px; font-weight: 700; border-radius: 3px;
  padding: 1px 6px; letter-spacing: .5px; }
.tag.call, .tag.buy { background: rgba(10,138,74,.14); color: var(--green); }
.tag.put, .tag.sell { background: rgba(209,48,44,.12); color: var(--red); }
.trader { color: var(--muted); font-size: 11.5px; }
.sub-name { color: var(--muted); font-size: 10px; font-weight: 400; letter-spacing: .2px; }
.rk { display: inline-block; min-width: 16px; color: var(--faint); font-family: var(--mono);
  font-size: 11px; font-weight: 700; }
.empty { color: var(--muted); padding: 16px 4px; font-size: 13px; }
.err-inline { color: var(--red); font-size: 12.5px; padding: 12px 4px; display: flex; gap: 10px; align-items: center; }
.err-inline button { background: var(--panel2); border: 1px solid var(--border); border-radius: 4px;
  padding: 4px 9px; cursor: pointer; font: 600 11px/1 var(--sans); }
.err-inline button:hover { border-color: var(--gold); color: var(--gold); }

footer { margin-top: 32px; color: var(--faint); font-size: 11px; line-height: 1.6;
  border-top: 1px solid var(--border); padding-top: 12px; }

/* ---------------- skeleton shimmer ---------------- */
.skel { display: block; height: 12px; border-radius: 3px; margin: 9px 0;
  background: linear-gradient(90deg, var(--panel2) 25%, var(--hairline) 50%, var(--panel2) 75%);
  background-size: 200% 100%; animation: shimmer 1.2s linear infinite; }
.skel:nth-child(2n) { width: 82%; } .skel:nth-child(3n) { width: 64%; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

@media (max-width: 640px) {
  .view { padding: 0 14px 60px; }
  h2 { margin: 16px 0 8px; }
  h2 small { display: none; }
}