/* Dark trading dashboard — calm, readable, no neon. */
:root {
  --bg: #0b0d12;
  --surface: #151821;
  --surface-2: #1c2030;
  --border: #262b3d;
  --text: #e6e9f0;
  --muted: #8b91a7;
  --dim: #5a6175;
  --accent: #4ea1ff;
  --positive: #3ddc84;
  --positive-bg: rgba(61, 220, 132, 0.08);
  --negative: #ff6b6b;
  --negative-bg: rgba(255, 107, 107, 0.08);
  --warning: #f5b947;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Cascadia Mono", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── layout ─────────────────────────────────────────────── */

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 56px;
  position: sticky; top: 0; z-index: 10;
}
.topbar .brand {
  font-weight: 600;
  font-size: 15px;
  margin-right: 32px;
  letter-spacing: 0.3px;
}
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  padding: 8px 14px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}
.topbar nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.topbar nav a.active { background: var(--surface-2); color: var(--text); }
.topbar .status {
  display: flex; gap: 12px; align-items: center;
  color: var(--muted); font-size: 12px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dim); }
.status-dot.ok { background: var(--positive); box-shadow: 0 0 8px rgba(61, 220, 132, 0.4); }
.status-dot.err { background: var(--negative); }

main { max-width: 1400px; margin: 0 auto; padding: 24px; }
h1 { font-size: 20px; font-weight: 600; margin: 0 0 16px; }
h2 { font-size: 15px; font-weight: 600; margin: 28px 0 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }

/* ── cards / grid ───────────────────────────────────────── */

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-4, .grid.cols-6 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid.cols-2, .grid.cols-3, .grid.cols-4, .grid.cols-6 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.metric {
  font-size: 26px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  margin: 0;
}
.metric .sub { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.metric.positive { color: var(--positive); }
.metric.negative { color: var(--negative); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; font-family: var(--mono); font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; }

/* ── tables ─────────────────────────────────────────────── */

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  background: var(--surface-2);
  padding: 10px 14px;
  text-align: left;
  font-weight: 500;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
td.num { text-align: right; }
td.pos { color: var(--positive); }
td.neg { color: var(--negative); }
.no-data { padding: 40px; text-align: center; color: var(--muted); }

/* ── badges ─────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge.crypto { background: #2d2748; color: #c7a8ff; }
.badge.stocks { background: #1f3558; color: #8ecbff; }
.badge.news   { background: #1d3d2d; color: #8be0a7; }
.badge.tweet  { background: #3b2b1d; color: #f5c88a; }
.badge.ok     { background: var(--positive-bg); color: var(--positive); }
.badge.fail   { background: var(--negative-bg); color: var(--negative); }
.badge.warn   { background: rgba(245, 185, 71, 0.12); color: var(--warning); }
.badge.dim    { background: var(--surface-2); color: var(--muted); }

/* ── buttons / actions ──────────────────────────────────── */

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: #252a3e; }
.btn.danger { background: rgba(255, 107, 107, 0.12); border-color: var(--negative); color: var(--negative); }
.btn.danger:hover { background: rgba(255, 107, 107, 0.22); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #051229; }
.btn.primary:hover { background: #6bb2ff; }
.actions { display: flex; gap: 8px; margin: 16px 0; flex-wrap: wrap; }

/* ── misc ───────────────────────────────────────────────── */

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.break { word-break: break-word; }
.truncate { display: inline-block; max-width: 380px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }
.spacer { flex: 1; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.tabs a { padding: 6px 12px; border-radius: 6px; color: var(--muted); font-size: 13px; }
.tabs a.active, .tabs a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }

.strip { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.strip .pill { background: var(--surface-2); padding: 4px 10px; border-radius: 10px; }
.strip .pill b { color: var(--text); font-family: var(--mono); }

/* ── login page ─────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0b0d12 0%, #151821 100%);
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}
.login-brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.login-card h1 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 24px;
}
.login-card form label {
  display: block;
  margin-bottom: 14px;
}
.login-card form label span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.login-card form input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  box-sizing: border-box;
}
.login-card form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(78, 161, 255, 0.2);
}
.login-error {
  background: var(--negative-bg);
  border: 1px solid var(--negative);
  color: var(--negative);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* Form inputs on the normal pages match the login style */
form label { display: block; margin-bottom: 10px; }
form label > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.4px; }
form input[type="text"], form input[type="email"], form input[type="password"], form input[type="number"] {
  padding: 8px 12px; font-size: 14px; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; font-family: inherit;
  width: 100%; box-sizing: border-box;
}
form input:focus { outline: none; border-color: var(--accent); }