/* Strike Edge: mobile first, system fonts, no heavy assets. */
:root {
  --bg: #ffffff; --fg: #14161a; --muted: #5a6371; --line: #dfe3e9; --card: #f6f7f9;
  --accent: #2a5bd7; --accent-fg: #ffffff; --good: #0f7a5a; --bad: #b3261e; --warn: #8a5a00;
  --high: #0f7a5a; --med: #8a5a00; --low: #5a6371; --stale: #8b93a0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216; --fg: #e8eaee; --muted: #a0a8b5; --line: #2a2f37; --card: #181b21;
    --accent: #7aa2ff; --accent-fg: #0b0d12; --good: #4cc9a0; --bad: #ff8a80; --warn: #f0b34a;
    --high: #4cc9a0; --med: #f0b34a; --low: #a0a8b5; --stale: #6b7280;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: anywhere;
}
a { color: var(--accent); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
h1 { font-size: 1.5rem; line-height: 1.2; margin: 16px 0 8px; }
h2 { font-size: 1.2rem; margin: 20px 0 8px; }
h3 { font-size: 1.05rem; margin: 0 0 6px; }
h4 { font-size: 0.95rem; margin: 14px 0 6px; }
p { margin: 8px 0; }
.muted { color: var(--muted); }
.fine { font-size: 0.85rem; color: var(--muted); }
.lede { color: var(--muted); margin-top: 0; }
.sub { color: var(--muted); font-size: 0.92rem; }
.notice { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--warn); padding: 10px 12px; border-radius: 6px; }

/* header */
.top { border-bottom: 1px solid var(--line); background: var(--bg); }
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 8px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
nav[aria-label="Main"] { display: flex; gap: 4px; }
nav[aria-label="Main"] a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 10px; text-decoration: none; border-radius: 6px; }
nav[aria-label="Main"] a[aria-current="page"] { background: var(--card); font-weight: 600; }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0 0 10px; }
.pill { font-size: 0.82rem; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; display: inline-flex; align-items: center; gap: 6px; background: var(--card); }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }
.pill.stale { color: var(--stale); }
.pill.stale .dot { background: var(--stale); }
.pill.degraded .dot { background: var(--warn); }
.pill .ago { color: var(--muted); }

/* controls */
.controls { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 12px 0; }
.controls label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input, select, .btn, button { font: inherit; }
input[type=number], select {
  min-height: 44px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--fg); width: 100%;
}
.btn, button.btn {
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg);
  text-decoration: none; cursor: pointer; font-weight: 600;
}
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.seg-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.seg-label { font-size: 0.85rem; color: var(--muted); margin-right: 4px; }
.seg a, .tabs a {
  min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--fg); background: var(--card);
}
.seg a.on, .tabs a.on { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.tabs a { flex: 1 1 auto; }

/* badges and tags */
.badge { display: inline-block; white-space: nowrap; padding: 2px 10px; border-radius: 999px; font-size: 0.82rem; font-weight: 700; border: 1px solid currentColor; }
.conf-High { color: var(--high); } .conf-Medium { color: var(--med); } .conf-Low { color: var(--low); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.tag { font-size: 0.72rem; border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; color: var(--muted); background: var(--card); }
.tag.warn { color: var(--warn); border-color: var(--warn); }
.tag.tradfi { color: var(--accent); border-color: var(--accent); }
.tag.stale { color: var(--stale); }
.pos { color: var(--good); } .neg { color: var(--bad); }
.num { font-variant-numeric: tabular-nums; font-weight: 600; }

/* opportunity rows: cards on mobile, grid on wide screens */
.rows { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.thead { display: none; }
.row { border: 1px solid var(--line); border-radius: 10px; background: var(--card); padding: 12px; }
.row.is-stale { opacity: 0.55; }
.cells {
  display: grid; gap: 8px 12px; align-items: center;
  grid-template-columns: 1fr auto;
  grid-template-areas: "market conf" "strat strat" "per per" "be be" "trade trade";
}
.c-market { grid-area: market; } .c-conf { grid-area: conf; text-align: right; }
.c-strat { grid-area: strat; } .c-per { grid-area: per; } .c-trade { grid-area: trade; }
.c-per { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.c-per > div { display: flex; flex-direction: column; }
.lbl { display: block; font-size: 0.75rem; color: var(--muted); }
.hide-sm { display: none; }
.c-trade .btn { width: 100%; }
details.more { margin-top: 8px; }
details > summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; gap: 8px; }
details > summary h2 { margin: 0; display: inline; }
.detail { padding: 4px 0 4px; }
.why { background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-size: 0.92rem; }
.why-not { font-size: 0.85rem; color: var(--muted); margin: 6px 2px -4px; }
.kv { display: grid; grid-template-columns: 1fr; gap: 2px 12px; margin: 8px 0; }
.kv dt { color: var(--muted); font-size: 0.85rem; margin-top: 6px; } .kv dd { margin: 0; }
.more-all { margin: 16px 0; border-top: 1px solid var(--line); padding-top: 4px; }
.more-all > summary { font-weight: 600; }

/* tables: real tables on wide screens, labelled cards on narrow */
.tbl { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 0.92rem; }
.tbl th { text-align: left; font-size: 0.78rem; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr.total td, .tbl tr.best td { font-weight: 700; }
.tbl tr.flagged { background: color-mix(in srgb, var(--warn) 8%, transparent); }
.apr { font-size: 0.8rem; color: var(--muted); }
@media (max-width: 639.98px) {
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl thead { display: none; }
  .tbl tr { border: 1px solid var(--line); border-radius: 8px; margin: 8px 0; padding: 6px 10px; background: var(--bg); }
  .tbl td { border: 0; padding: 4px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; text-align: right; }
  .tbl td::before { content: attr(data-label); color: var(--muted); font-size: 0.8rem; text-align: left; flex: 0 0 42%; }
}

/* intro, findings, report */
.headline { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 10px 12px; border-radius: 6px; }
.finding { border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: 12px; margin: 10px 0; background: var(--card); }
.finding.above_index { border-left-color: var(--warn); }
.finding.balanced, .finding.none { border-left-color: var(--muted); }
.summary { padding-left: 20px; }
.mkt { border: 1px solid var(--line); border-radius: 8px; padding: 0 12px; margin: 8px 0; background: var(--card); }
.mkt .mname { font-weight: 700; }
.charts figure { margin: 16px 0; }
.charts figcaption { font-weight: 600; margin-bottom: 6px; }
.chartbox { position: relative; height: 280px; width: 100%; }
.msel { display: flex; flex-direction: column; gap: 4px; max-width: 320px; font-size: 0.85rem; color: var(--muted); }
.how details details { margin: 0 0 4px 12px; }
.how > details { border-top: 1px solid var(--line); }

/* footer */
.foot { margin-top: 32px; border-top: 1px solid var(--line); padding: 16px 0 32px; font-size: 0.88rem; color: var(--muted); }
.foot .links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.foot .links a { min-height: 44px; display: inline-flex; align-items: center; }

@media (min-width: 640px) {
  h1 { font-size: 1.9rem; }
  .controls { grid-template-columns: repeat(3, 1fr) auto; align-items: end; }
  .seg-row { flex-direction: row; justify-content: space-between; flex-wrap: wrap; }
  .tabs a { flex: 0 0 auto; }
  .chartbox { height: 340px; }
  .kv { grid-template-columns: max-content 1fr; }
  .kv dt { margin-top: 0; }
  .hide-sm { display: block; }
  .thead { display: block; padding: 0 12px; font-size: 0.75rem; color: var(--muted); }
  .rows { gap: 8px; }
  .cells {
    grid-template-columns: minmax(64px, 0.7fr) minmax(130px, 1.5fr) minmax(76px, 0.8fr) minmax(230px, 2.3fr) minmax(64px, 0.7fr) minmax(70px, 0.7fr) minmax(84px, 0.7fr) minmax(120px, 1.1fr);
    grid-template-areas: "market strat net per be basis conf trade";
  }
  .rows.hold .cells { grid-template-columns: minmax(64px, 0.8fr) minmax(130px, 1.3fr) minmax(130px, 1.3fr) minmax(90px, 1fr) minmax(230px, 2.2fr) minmax(84px, 0.7fr) minmax(120px, 1.1fr); grid-template-areas: "market strat w gap per conf trade"; }
  .rows.only .cells { grid-template-columns: minmax(64px, 0.8fr) minmax(180px, 2.4fr) minmax(200px, 1.8fr) minmax(90px, 0.9fr) minmax(120px, 1.1fr); grid-template-areas: "market strat per conf trade"; }
  .cells .lbl { display: none; }       /* the header row labels the columns on wide screens */
  .c-per .lbl { display: block; }
  .c-per .lbl .pre { display: none; }  /* header says "Est. net"; cells show 1d, 1w, 1m */
  .num { white-space: nowrap; }
  .c-trade .btn { white-space: nowrap; padding: 0 8px; }
  .c-net { grid-area: net; } .c-be { grid-area: be; } .c-basis { grid-area: basis; }
  .c-w { grid-area: w; } .c-gap { grid-area: gap; }
  .c-conf { text-align: left; }
  .c-per > div { flex-direction: column; }
}

.morelinks { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }

/* disclosure chevrons (summary is flex, which removes the default marker) */
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "\25B8"; display: inline-block; width: 1em; color: var(--muted); flex: 0 0 auto;
  transition: transform 0.12s;
}
details[open] > summary::before { transform: rotate(90deg); }

.vname { white-space: nowrap; }

.how-line { margin: 8px 0 0; font-size: 0.92rem; color: var(--muted); }
.c-be { grid-area: be; }

.tagline { order: 3; width: 100%; color: var(--muted); font-size: 0.85rem; padding-bottom: 2px; }
@media (min-width: 860px) {
  .brand-row { flex-wrap: nowrap; }
  .tagline { order: 0; width: auto; margin-right: auto; padding: 0 0 0 12px; font-size: 0.9rem; }
}

/* Move to Strike? tab */
.switch-card { border: 1px solid var(--line); border-radius: 10px; background: var(--card); padding: 14px; margin: 12px 0; display: grid; gap: 14px; }
.switch-card.is-stale { opacity: 0.7; }
.sw-main .lbl { margin: 0 0 4px; font-size: 0.85rem; color: var(--muted); }
.sw-big { margin: 0; font-size: 2.1rem; line-height: 1.15; font-weight: 700; font-variant-numeric: tabular-nums; }
.sw-msg { margin: 6px 0 0; }
.sw-up { margin: 10px 0 0; color: var(--muted); font-size: 0.92rem; }
.sw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin: 0; }
.sw-grid div { min-width: 0; }
.sw-grid dt { color: var(--muted); font-size: 0.8rem; }
.sw-grid dd { margin: 2px 0 0; overflow-wrap: anywhere; }
.sw-trade .btn { width: 100%; }
@media (min-width: 640px) {
  .controls.four { grid-template-columns: repeat(4, 1fr) auto; }
  .switch-card { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .switch-card .sw-trade, .switch-card details { grid-column: 1 / -1; }
  .sw-trade .btn { width: auto; min-width: 200px; }
}
.btn.outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.sw-note { margin: 8px 0; font-size: 0.9rem; color: var(--muted); }
.sw-top-title { margin: 20px 0 4px; font-size: 1.05rem; }
.sw-top { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.sw-top a {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center; min-height: 44px;
  padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card);
  color: var(--fg); text-decoration: none;
}
.sw-top a:hover { border-color: var(--accent); }
.sw-top-pos { grid-column: 1; overflow-wrap: anywhere; }
.sw-top-save { grid-column: 2; text-align: right; }
.sw-top-meta { grid-column: 1; font-size: 0.85rem; }
.sw-top a .badge { grid-column: 2; justify-self: end; }
@media (min-width: 640px) {
  .sw-top a { grid-template-columns: minmax(180px, 2fr) 1fr 1.6fr auto; }
  .sw-top-pos, .sw-top-save, .sw-top-meta, .sw-top a .badge { grid-column: auto; }
  .sw-top-save { text-align: left; }
}