:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2330;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #4ade80;
  --accent-2: #58a6ff;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.3px;
}
.brand-logo { height: 26px; width: auto; display: block; }
.brand span { color: var(--accent); }

.status-badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.status-badge.live { color: var(--accent); border-color: var(--accent); }

main { max-width: 1280px; margin: 0 auto; padding: 28px 24px 80px; }

/* ── home ─────────────────────────────────────────── */
.home h1 { font-size: 22px; margin: 8px 0 20px; }
.home-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.home-head h1 { margin: 8px 0; }
#dash-search {
  flex: 1;
  max-width: 340px;
  min-width: 200px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
#dash-search:focus { outline: none; border-color: var(--accent); }
.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.dash-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s;
}
.dash-card:hover { border-color: var(--accent); }
.dash-card h3 { margin: 0 0 6px; font-size: 16px; }
.dash-card p { margin: 0; color: var(--muted); font-size: 13px; }
.dash-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px !important;
  font-size: 12px !important;
}
.dash-card-by { color: var(--muted); }
.empty { color: var(--muted); padding: 40px 0; text-align: center; }

/* ── dashboard view ───────────────────────────────── */
.dash-head { margin-bottom: 20px; }
.back-link {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}
.back-link:hover { color: var(--accent); }
.dash-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.dash-title-row h1 { margin: 0; font-size: 24px; }
.dash-byline { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.dash-byline:empty { display: none; }
.dash-head > p:not(.dash-byline) { margin: 4px 0 0; color: var(--muted); }

.dash-actions { display: flex; align-items: center; gap: 8px; }
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.action-btn:hover { border-color: var(--accent); color: var(--text); }
.action-btn:disabled { opacity: 0.6; cursor: default; }
.like-btn .heart-path { fill: none; stroke: currentColor; stroke-width: 1.6; }
.like-btn.liked { color: #fb7185; border-color: #fb7185; }
.like-btn.liked .heart-path { fill: #fb7185; stroke: #fb7185; }

.export-wrap { position: relative; }
.export-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 160px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 20;
}
.export-menu button {
  text-align: left;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}
.export-menu button:hover { background: var(--surface-2); }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .chart-grid { grid-template-columns: 1fr; } }

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  min-width: 0;
}
.chart-card.full { grid-column: 1 / -1; }
.chart-card h2 { margin: 0 0 10px; font-size: 15px; font-weight: 600; color: var(--muted); }
.plot { width: 100%; }

/* KPI cards */
.kpi-row { display: flex; align-items: baseline; gap: 10px; }
.kpi-value { font-size: 40px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.kpi-unit { font-size: 16px; color: var(--muted); }
.kpi-delta { font-size: 14px; font-weight: 600; }
.kpi-delta.up { color: var(--accent); }
.kpi-delta.down { color: var(--danger); }
.kpi-label { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--muted); font-weight: 600; cursor: pointer; user-select: none; }
.data-table tr:hover td { background: var(--surface-2); }

/* ── tweak panel ──────────────────────────────────── */
#tweak-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 360px;
  max-width: calc(100vw - 40px);
  z-index: 50;
}
#tweak-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--surface);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.tweak-logo { height: 22px; width: auto; display: block; }
#tweak-toggle:hover { background: var(--surface-2); }
#tweak-body {
  margin-top: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
#tweak-log {
  max-height: 260px;
  overflow-y: auto;
  font-size: 13px;
  margin-bottom: 10px;
}
.tweak-msg { margin-bottom: 10px; padding: 8px 10px; border-radius: 8px; }
.tweak-msg.user { background: var(--surface-2); }
.tweak-msg.agent { background: rgba(88, 166, 255, 0.08); border: 1px solid rgba(88, 166, 255, 0.25); }
.tweak-msg.error { color: var(--danger); }
.tweak-msg .who { font-size: 11px; color: var(--muted); display: block; margin-bottom: 3px; }
.tweak-input-row { display: flex; gap: 8px; }
#tweak-input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}
#tweak-send {
  background: var(--accent);
  color: #052e13;
  border: none;
  border-radius: 8px;
  padding: 0 14px;
  font-weight: 700;
  cursor: pointer;
}
#tweak-send:disabled { opacity: 0.5; cursor: wait; }

/* ── print / PDF export ───────────────────────────── */
@media print {
  .topbar, #tweak-panel, .dash-actions, .back-link { display: none !important; }
  body { background: #fff; color: #111; }
  main { max-width: none; padding: 0; }
  .dash-head h1 { color: #111; }
  .dash-byline, .dash-head > p:not(.dash-byline) { color: #555; }
  .chart-grid { display: block; }
  .chart-card {
    background: #fff;
    border: 1px solid #ccc;
    break-inside: avoid;
    margin-bottom: 14px;
  }
  .chart-card h2 { color: #444; }
  .data-table tr:hover td { background: transparent; }
  .data-table th, .data-table td { border-bottom-color: #ddd; color: #111; }
  .kpi-value { color: #15803d; }
}