/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d1117;
  --bg2:      #161b22;
  --bg3:      #21262d;
  --border:   #30363d;
  --text:     #c9d1d9;
  --dim:      #8b949e;
  --blue:     #58a6ff;
  --green:    #3fb950;
  --red:      #f85149;
  --yellow:   #d29922;
  --orange:   #f0883e;
  --purple:   #bc8cff;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand    { font-weight: 700; color: var(--blue); font-size: 1.05em; }
.nav-links    { display: flex; gap: 4px; flex: 1; }
.nav-link     { padding: 6px 12px; border-radius: 6px; color: var(--dim); text-decoration: none; transition: background .15s, color .15s; }
.nav-link:hover, .nav-link.active { background: var(--bg3); color: var(--text); }
.nav-link.active { color: var(--blue); }
.nav-status   { margin-left: auto; }

/* ── Container ────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }

/* ── Page header ──────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-header h1 { font-size: 1.3em; font-weight: 600; }
.header-badges  { display: flex; gap: 8px; align-items: center; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: .75em;
  font-weight: 600;
  letter-spacing: .03em;
}
.badge-green  { background: rgba(63,185,80,.15);  color: var(--green);  border: 1px solid rgba(63,185,80,.4); }
.badge-red    { background: rgba(248,81,73,.15);  color: var(--red);    border: 1px solid rgba(248,81,73,.4); }
.badge-yellow { background: rgba(210,153,34,.15); color: var(--yellow); border: 1px solid rgba(210,153,34,.4); }
.badge-dim    { background: var(--bg3);           color: var(--dim);    border: 1px solid var(--border); }

/* Strategy-specific badges */
.badge-strategy-rsipullback    { background: rgba(88,166,255,.15); color: var(--blue);   border: 1px solid rgba(88,166,255,.4); }
.badge-strategy-hullsuite      { background: rgba(63,185,80,.15);  color: var(--green);  border: 1px solid rgba(63,185,80,.4); }
.badge-strategy-oversoldbounce { background: rgba(188,140,255,.15);color: var(--purple); border: 1px solid rgba(188,140,255,.4); }
.badge-strategy-test           { background: var(--bg3); color: var(--dim); border: 1px solid var(--border); }

/* ── Cards ────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.card-wide    { grid-column: span 2; }
.card-label   { font-size: .75em; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.card-value   { font-size: 1.35em; font-weight: 600; font-variant-numeric: tabular-nums; }
.card-sub     { font-size: .7em;   color: var(--dim); margin-left: 4px; }

/* ── Tables ───────────────────────────────────────────────── */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85em;
}
.table thead th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: .75em;
  letter-spacing: .04em;
}
.table tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(48,54,61,.5);
  font-variant-numeric: tabular-nums;
}
.table tbody tr:hover td { background: var(--bg2); }
.table tbody tr:last-child td { border-bottom: none; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg2);
  color: var(--text);
  font-size: .85em;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  text-decoration: none;
}
.btn:hover           { background: var(--bg3); }
.btn:disabled        { opacity: .5; cursor: not-allowed; }
.btn-primary         { background: rgba(88,166,255,.1);  border-color: rgba(88,166,255,.4);  color: var(--blue); }
.btn-primary:hover   { background: rgba(88,166,255,.2); }
.btn-success         { background: rgba(63,185,80,.1);   border-color: rgba(63,185,80,.4);   color: var(--green); }
.btn-success:hover   { background: rgba(63,185,80,.2); }
.btn-danger          { background: rgba(248,81,73,.1);   border-color: rgba(248,81,73,.4);   color: var(--red); }
.btn-danger:hover    { background: rgba(248,81,73,.2); }
.btn-default         { background: var(--bg3); }
.btn-sm              { padding: 4px 10px; font-size: .8em; }
.btn-group           { display: flex; gap: 8px; }

/* ── Sections ─────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 1em; font-weight: 600; color: var(--blue); }
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }

/* ── Signal cards ─────────────────────────────────────────── */
.signal-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 8px;
}
.signal-card.signal-buy  { border-left: 3px solid var(--green); }
.signal-card.signal-sell { border-left: 3px solid var(--red);   }
.signal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.signal-ticker  { font-weight: 700; font-size: 1.05em; }
.signal-action  { font-weight: 700; font-size: .9em; }
.signal-time    { margin-left: auto; font-size: .8em; }
.signal-body    { display: flex; flex-wrap: wrap; gap: 16px; }
.signal-stat    { display: flex; flex-direction: column; }
.stat-label     { font-size: .7em; color: var(--dim); text-transform: uppercase; letter-spacing: .04em; }
.stat-val       { font-size: .95em; font-variant-numeric: tabular-nums; font-weight: 500; }
.signal-actions { margin-top: 12px; }

/* ── Utility ──────────────────────────────────────────────── */
.green  { color: var(--green); }
.red    { color: var(--red);   }
.dim    { color: var(--dim);   }
.center { text-align: center;  }
code    { background: var(--bg3); padding: 1px 5px; border-radius: 4px; font-size: .9em; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--dim);
}
.empty-state p { margin-bottom: 8px; }

/* ── Log bar ──────────────────────────────────────────────── */
.log-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 28px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: .78em;
  font-variant-numeric: tabular-nums;
}

/* ── Hamburger ────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
}
.nav-link-mobile-only { display: none; }

/* ── Loading / skeleton ───────────────────────────────────── */
.loading-state {
  padding: 48px 24px;
  text-align: center;
}
.skeleton-card .card-value { opacity: 0.3; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 700px) {
  .nav-hamburger { display: block; }
  .nav-status    { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: 52px;
    left: 0; right: 0;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 8px 0;
    z-index: 200;
  }
  .nav-links.nav-open   { display: flex; }
  .nav-link             { padding: 10px 20px; border-radius: 0; }
  .nav-link-mobile-only { display: block; }
  .nav-link-desktop-only { display: none; }
  .cards     { grid-template-columns: 1fr 1fr; }
  .container { padding: 12px; }
  .nav { position: relative; }
}