/* MQL Trader — Centro de Control (Stage 10A). Mobile-first, dark by default, light via prefers-color-scheme. No inline styles (CSP). */
:root {
  --bg: #0b1220; --surface: #121a2b; --surface-2: #182238; --border: #24314d; --text: #e6ecf7; --muted: #9aa8c4;
  --accent: #4cc9f0; --ok: #3ddc97; --warn: #ffb020; --crit: #ff5d6c; --info: #7aa2ff; --neutral: #8794ad;
  --ok-bg: rgba(61, 220, 151, .13); --warn-bg: rgba(255, 176, 32, .13); --crit-bg: rgba(255, 93, 108, .14); --info-bg: rgba(122, 162, 255, .14); --neutral-bg: rgba(135, 148, 173, .16);
  --radius: 14px; --gap: 12px; --nav-h: 64px; --top-h: 96px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5fa; --surface: #ffffff; --surface-2: #eef2f9; --border: #d9e0ee; --text: #0f1a2e; --muted: #55627d;
    --accent: #0a7ea4; --ok: #0f7f59; --warn: #9a5b00; --crit: #c0263a; --info: #2f5bd0; --neutral: #5d6a85;
    --ok-bg: rgba(15, 127, 89, .11); --warn-bg: rgba(154, 91, 0, .12); --crit-bg: rgba(192, 38, 58, .1); --info-bg: rgba(47, 91, 208, .1); --neutral-bg: rgba(93, 106, 133, .12);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 var(--sans); -webkit-font-smoothing: antialiased; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #001018; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border); padding: max(8px, env(safe-area-inset-top)) 14px 8px; }
.topbar__row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand__mark { width: 30px; height: 30px; color: var(--accent); flex: none; }
.brand__name { font-weight: 800; letter-spacing: .2px; line-height: 1.1; }
.brand__sub { font-size: 12px; color: var(--muted); line-height: 1.1; }
.topbar__tools { display: flex; align-items: center; gap: 8px; }
.lang select, .iconbtn { height: 36px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 0 10px; font: inherit; font-size: 14px; }
.iconbtn { width: 38px; padding: 0; display: grid; place-items: center; cursor: pointer; }
.iconbtn svg { width: 20px; height: 20px; }
.iconbtn.is-loading svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.topbar__chips { display: flex; gap: 6px; overflow-x: auto; padding-top: 8px; scrollbar-width: none; }
.topbar__chips::-webkit-scrollbar { display: none; }

/* ---------- chips / badges ---------- */
.chip { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; font-size: 12px; font-weight: 700; letter-spacing: .3px; padding: 4px 9px; border-radius: 999px;
  border: 1px solid transparent; background: var(--neutral-bg); color: var(--neutral); }
.chip svg { width: 13px; height: 13px; }
.chip--ok { background: var(--ok-bg); color: var(--ok); } .chip--warn { background: var(--warn-bg); color: var(--warn); }
.chip--crit { background: var(--crit-bg); color: var(--crit); } .chip--info { background: var(--info-bg); color: var(--info); }
.chip--outline { background: transparent; border-color: currentColor; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; }

/* ---------- shell / nav ---------- */
.shell { display: block; }
.main { padding: 14px 14px calc(var(--nav-h) + 26px + env(safe-area-inset-bottom)); max-width: 1180px; margin: 0 auto; outline: none; min-width: 0; }
.nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: grid; grid-template-columns: repeat(6, 1fr); background: var(--surface);
  border-top: 1px solid var(--border); padding: 4px 4px max(4px, env(safe-area-inset-bottom)); }
.nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 2px; color: var(--muted); text-decoration: none; font-size: 11px; font-weight: 600; border-radius: 10px; min-height: 52px; justify-content: center; }
.nav a svg { width: 22px; height: 22px; }
.nav a[aria-current="page"] { color: var(--accent); background: var(--surface-2); }
@media (min-width: 960px) {
  .shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); max-width: 1440px; margin: 0 auto; }
  .nav { position: sticky; top: var(--top-h); align-self: start; height: calc(100vh - var(--top-h)); grid-template-columns: 1fr; grid-auto-rows: max-content; gap: 4px; padding: 16px 10px; border-top: 0; border-right: 1px solid var(--border); background: transparent; }
  .nav a { flex-direction: row; gap: 12px; font-size: 15px; padding: 10px 12px; min-height: 0; justify-content: flex-start; }
  .nav a svg { width: 20px; height: 20px; }
  .main { padding: 22px 26px 40px; width: 100%; }
}

/* ---------- generic building blocks ---------- */
h1 { font-size: 22px; margin: 4px 0 2px; } h2 { font-size: 15px; margin: 0 0 10px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .6px; }
.lead { color: var(--muted); margin: 0 0 14px; font-size: 14px; }
.grid { display: grid; gap: var(--gap); }
.grid--cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; min-width: 0; }
.card--hero { padding: 18px; }
.card__label { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card__value { font-size: 24px; font-weight: 800; line-height: 1.15; }
.card__hint { color: var(--muted); font-size: 13px; margin-top: 6px; }
.stack > * + * { margin-top: var(--gap); }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.muted { color: var(--muted); }
.tone-ok { color: var(--ok); } .tone-warn { color: var(--warn); } .tone-crit { color: var(--crit); } .tone-info { color: var(--info); }
.banner { border-radius: var(--radius); padding: 12px 14px; margin-bottom: 12px; border: 1px solid; font-size: 14px; }
.banner--crit { background: var(--crit-bg); color: var(--crit); border-color: var(--crit); } .banner--warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.banner--info { background: var(--info-bg); color: var(--info); border-color: var(--info); }
.empty { text-align: center; padding: 30px 16px; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }
.empty strong { display: block; color: var(--text); font-size: 17px; margin-bottom: 4px; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin .9s linear infinite; display: inline-block; vertical-align: -3px; margin-right: 8px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; text-align: right; }
.list { list-style: none; margin: 0; padding: 0; } .list li { padding: 8px 0; border-top: 1px solid var(--border); } .list li:first-child { border-top: 0; }
.code { font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.rc { display: inline-flex; align-items: center; gap: 6px; flex-wrap: nowrap; max-width: 100%; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; padding: 3px 8px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
.tag--muted { color: var(--muted); }
.seg { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 3px; gap: 2px; margin-bottom: 12px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 7px 12px; border-radius: 9px; font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--surface-2); color: var(--text); }
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 10px; padding: 9px 14px; font: inherit; font-weight: 600; cursor: pointer; }

/* ---------- market ---------- */
.quote { display: grid; gap: 10px; }
.quote__name { font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.quote__prices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.px { background: var(--surface-2); border-radius: 12px; padding: 10px 12px; }
.px__label { font-size: 11px; color: var(--muted); font-weight: 700; letter-spacing: .5px; }
.px__value { font-size: 26px; font-weight: 800; line-height: 1.1; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.px--bid .px__value { color: var(--crit); } .px--ask .px__value { color: var(--ok); }
.quote__meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }

/* ---------- signals (responsive grid table) ---------- */
.sigsum { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin-bottom: 12px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; }
.stat__n { font-size: 24px; font-weight: 800; font-family: var(--mono); } .stat__l { font-size: 12px; color: var(--muted); }
.sig { background: var(--surface); border: 1px solid var(--border); border-left-width: 4px; border-radius: var(--radius); padding: 12px; display: grid; gap: 10px;
  grid-template-columns: 1fr auto; grid-template-areas: "id decision" "dir dir" "metrics metrics" "levels levels" "why why"; }
.sig--no { border-left-color: var(--neutral); } .sig--ok { border-left-color: var(--ok); } .sig--warn { border-left-color: var(--warn); }
.sig__id { grid-area: id; } .sig__decision { grid-area: decision; justify-self: end; } .sig__dir { grid-area: dir; } .sig__metrics { grid-area: metrics; } .sig__levels { grid-area: levels; } .sig__why { grid-area: why; }
.sig__title { font-weight: 800; font-size: 17px; } .sig__title small { color: var(--muted); font-weight: 600; margin-left: 6px; }
.decision { font-weight: 900; letter-spacing: .6px; padding: 6px 12px; border-radius: 10px; font-size: 14px; white-space: nowrap; }
.decision--no { background: var(--crit-bg); color: var(--crit); border: 1.5px solid var(--crit); }
.decision--ok { background: var(--ok-bg); color: var(--ok); border: 1.5px solid var(--ok); }
.decision--warn { background: var(--warn-bg); color: var(--warn); border: 1.5px solid var(--warn); }
.metrics { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; } .metrics b { font-family: var(--mono); font-size: 15px; }
.metrics span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.lv { background: var(--surface-2); border-radius: 10px; padding: 8px 10px; } .lv span { display: block; font-size: 11px; color: var(--muted); font-weight: 700; } .lv b { font-family: var(--mono); font-size: 14px; }
.lv--muted b { color: var(--muted); }
.why { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.reason { font-size: 12.5px; padding: 4px 9px; border-radius: 8px; background: var(--crit-bg); color: var(--crit); font-weight: 600; }
.reason--ctx { background: var(--surface-2); color: var(--muted); font-weight: 500; }
.reason--gate { background: var(--warn-bg); color: var(--warn); }
.more { border: 0; background: transparent; color: var(--accent); font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; padding: 2px 0; }
.detail { grid-column: 1 / -1; border-top: 1px solid var(--border); padding-top: 10px; font-size: 13px; display: grid; gap: 8px; }
.siglist { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(min(100%, 430px), 1fr)); }

/* ---------- opportunities (Stage 10B.2) ---------- */
.opp { border-left-width: 4px; }
.opp--warn { border-left-color: var(--warn); } .opp--ok { border-left-color: var(--ok); } .opp--crit { border-left-color: var(--crit); } .opp--neutral { border-left-color: var(--neutral); }
.opp__actions { gap: 10px; margin-top: 4px; }
.opp-approve, .opp-reject { flex: 1; font-weight: 800; letter-spacing: .4px; padding: 12px 14px; font-size: 15px; }
.opp-approve { background: var(--ok-bg); border-color: var(--ok); color: var(--ok); }
.opp-reject { background: var(--crit-bg); border-color: var(--crit); color: var(--crit); }
.opp-approve:disabled, .opp-reject:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- trades / activity ---------- */
.trade { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; display: grid; gap: 8px; }
.trade__head { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-weight: 800; }
.trade__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 8px; }
.pos { color: var(--ok); } .neg { color: var(--crit); }
.timeline { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--border); }
.tl { position: relative; padding: 0 0 14px 16px; }
.tl::before { content: ""; position: absolute; left: -22px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--neutral); border: 2px solid var(--bg); }
.tl--ok::before { background: var(--ok); } .tl--warn::before { background: var(--warn); } .tl--crit::before { background: var(--crit); } .tl--info::before { background: var(--info); }
.tl__time { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.tl__title { font-weight: 700; font-size: 15px; } .tl__body { font-size: 13.5px; color: var(--muted); margin-top: 2px; }

/* ---------- risk meters ---------- */
.meter { display: grid; gap: 6px; } .meter__top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.meter__name { font-weight: 700; } .meter__val { font-family: var(--mono); font-weight: 800; }
.bar { height: 10px; border-radius: 999px; background: var(--surface-2); overflow: hidden; border: 1px solid var(--border); }
.bar > i { display: block; height: 100%; width: calc(var(--pct, 0) * 1%); background: var(--ok); border-radius: 999px; transition: width .4s ease; }
.bar--warn > i { background: var(--warn); } .bar--crit > i { background: var(--crit); }
.foot { margin-top: 26px; color: var(--muted); font-size: 12px; text-align: center; }
.livelock { display: inline-flex; align-items: center; gap: 6px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }