/* Signal Deck — painel escuro estilo terminal de mesa de operações */
:root {
  --bg: #0a1016;
  --panel: #0f1821;
  --panel-2: #142231;
  --line: #1f3242;
  --fg: #d6e2ea;
  --muted: #7d94a6;
  --accent: #23c4dc;
  --ok: #34d08a;
  --bad: #ff5d6c;
  --warn: #f0b545;
  --mono: "Cascadia Mono", "JetBrains Mono", Consolas, ui-monospace, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/1.5 var(--sans); }
a { color: var(--accent); text-decoration: none; }
small { color: var(--muted); font-size: .85em; }
h1, h2, h3 { font-family: var(--mono); font-weight: 600; letter-spacing: .04em; margin: 0 0 12px; }
h2 { font-size: 13px; text-transform: uppercase; color: var(--accent); display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; }
h3 { font-size: 12px; text-transform: uppercase; color: var(--muted); margin-top: 16px; }
.label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
.pos { color: var(--ok); }
.neg, .bad { color: var(--bad); }
.warn { color: var(--warn); }
.r { text-align: right; font-variant-numeric: tabular-nums; }
.note { color: var(--muted); font-size: 12px; margin-top: 10px; }

.top { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; padding: 14px max(16px, 3vw);
       border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { font-family: var(--mono); font-weight: 700; color: var(--accent); letter-spacing: .14em; }
.brand span { color: var(--muted); font-weight: 400; letter-spacing: .06em; margin-left: 8px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
        padding: 6px 12px; border-radius: 6px; }
nav a.on { color: var(--accent); background: var(--panel-2); box-shadow: inset 0 -2px 0 var(--accent); }
nav a:hover, nav a:focus-visible { color: var(--fg); outline: none; }
.status { margin-left: auto; display: flex; gap: 10px; align-items: center; font-size: 12px; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot.bad { background: var(--bad); }
.inline { display: inline; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }

main { padding: 20px max(16px, 3vw) 40px; display: grid; gap: 16px; max-width: 1400px; margin: 0 auto; }
.foot { text-align: center; color: var(--muted); font-size: 11px; padding: 0 16px 24px; }

.hero { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; }
.price, .gatebox, .card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; min-width: 0; }
.big { font-family: var(--mono); font-size: clamp(28px, 5vw, 44px); font-weight: 600; font-variant-numeric: tabular-nums; }
.sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.gatebox.ok { border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.gatebox.warn { border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }
.gatebox strong { display: block; font-family: var(--mono); font-size: 18px; margin: 6px 0; }
.gatebox.ok strong { color: var(--ok); }
.gatebox.warn strong { color: var(--warn); }
.gatebox ul { margin: 0; padding-left: 18px; color: var(--fg); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 16px; }
.val { font-family: var(--mono); font-size: 24px; font-weight: 600; margin-top: 6px; font-variant-numeric: tabular-nums; }
.val.small { font-size: 18px; }
.meter { height: 6px; background: var(--panel-2); border-radius: 3px; margin-top: 10px; overflow: hidden; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--ok), var(--warn) 60%, var(--bad)); }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
     color: var(--muted); border-bottom: 1px solid var(--line); padding: 6px 8px; }
td { padding: 7px 8px; border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); vertical-align: top; }
td:first-child, th:first-child { padding-left: 0; }
.panel { overflow-x: auto; }
.levels td:nth-child(2) { font-family: var(--mono); }

.pill { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; padding: 1px 8px; border-radius: 999px;
        border: 1px solid currentColor; white-space: nowrap; }
.pill.ok { color: var(--ok); }
.pill.bad { color: var(--bad); }
.pill.warn { color: var(--warn); }
.pill.muted { color: var(--muted); }

.events { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13px; }
.events li.ok { color: var(--ok); }
.headlines { margin: 10px 0 0; padding-left: 18px; color: var(--fg); }

details.signal { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; background: var(--panel-2); }
details.signal summary { cursor: pointer; list-style: none; padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
details.signal summary::-webkit-details-marker { display: none; }
details.signal summary:focus-visible { outline: 1px solid var(--accent); border-radius: 8px; }
details.signal .t { font-family: var(--mono); color: var(--muted); }
details.signal .trig { color: var(--fg); min-width: 0; }
details.signal .body { padding: 0 12px 12px; border-top: 1px solid var(--line); }
.plan { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin: 12px 0; font-family: var(--mono); }
.plan .label { display: block; }
.steps td:first-child { white-space: nowrap; color: var(--muted); }
.reasons { color: var(--warn); }
.meta { color: var(--muted); font-size: 12px; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; text-transform: none; letter-spacing: 0; }
.filters a { color: var(--muted); padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px; }
.filters a.on { color: var(--accent); border-color: var(--accent); }

.curve { width: 100%; height: 160px; display: block; }
.curve .zero { stroke: var(--line); stroke-width: 1; stroke-dasharray: 4 4; vector-effect: non-scaling-stroke; }
.curve polyline { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
.curve polyline.up { stroke: var(--ok); }
.curve polyline.down { stroke: var(--bad); }

.empty { text-align: center; padding: 60px 16px; color: var(--muted); }

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: min(360px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: grid; gap: 8px; }
.login .brand { margin-bottom: 14px; }
.login label { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.login input { background: var(--bg); border: 1px solid var(--line); color: var(--fg); border-radius: 6px; padding: 10px 12px; font: inherit; }
.login input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }
.login button { margin-top: 14px; background: var(--accent); color: #031317; border: 0; border-radius: 6px; padding: 11px; font-family: var(--mono);
                font-weight: 700; letter-spacing: .12em; cursor: pointer; }
.login .err { color: var(--bad); margin: 0; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .status { margin-left: 0; }
}
@media (prefers-reduced-motion: no-preference) {
  .dot.ok { animation: pulse 2s ease-in-out infinite; }
  @keyframes pulse { 50% { opacity: .45; } }
}