:root {
  --bg: #0b0e11;
  --panel: #12161b;
  --panel-alt: #171c22;
  --border: #232a32;
  --text: #e6e8eb;
  --muted: #8a93a0;
  --amber: #e8a33d;
  --teal: #4fd1ae;
  --red: #e5484d;
  --font-ui: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  min-height: 100vh;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  display: inline-block;
}

.brand-dot.running {
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

.brand-name {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 15px;
}

.brand-sub {
  color: var(--muted);
  font-size: 12px;
}

.ticker-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
}

.ticker-label {
  letter-spacing: 0.05em;
}

.ticker-value {
  color: var(--text);
  margin-left: 6px;
  font-weight: 500;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.run-state {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.run-state.running {
  color: var(--teal);
  border-color: var(--teal);
}

.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text);
  cursor: pointer;
  transition: filter 0.15s ease;
}

.btn:hover { filter: brightness(1.2); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-start { border-color: var(--teal); color: var(--teal); }
.btn-stop { border-color: var(--red); color: var(--red); }
.btn-save {
  margin-top: 16px;
  width: 100%;
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  padding: 20px 24px;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
}

.panel-title {
  font-size: 14px;
  margin: 0 0 4px 0;
  font-weight: 600;
}

.panel-hint {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 16px 0;
  line-height: 1.5;
}

.guardrail-hint { color: var(--amber); opacity: 0.85; }

.field {
  display: block;
  margin-bottom: 14px;
}

.field-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}

.field input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 10px;
}

.field input:focus {
  outline: none;
  border-color: var(--amber);
}

.field-radio-group {
  margin-bottom: 14px;
}

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text);
  padding: 6px 0;
  cursor: pointer;
  line-height: 1.4;
}

.radio-option input {
  width: auto;
  margin-top: 2px;
}

.field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.field-checkbox input {
  width: auto;
}

.field-checkbox .field-label {
  margin-bottom: 0;
}

.divider {
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

.settings-msg {
  margin-top: 10px;
  font-size: 12px;
  min-height: 16px;
}

.settings-msg.ok { color: var(--teal); }
.settings-msg.err { color: var(--red); }

/* ---------- Main column ---------- */

.main-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cards-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .cards-row { grid-template-columns: 1fr; }
}

.card-title {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 12px 0;
  font-weight: 600;
}

.kv {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.kv:last-child { border-bottom: none; }
.kv span:first-child { color: var(--muted); }

/* ---------- Tables ---------- */

.mini-table, .data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.mini-table th, .data-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.mini-table td, .data-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table { display: block; max-height: 420px; overflow-y: auto; }
.data-table thead, .data-table tbody { display: table; width: 100%; table-layout: fixed; }

.empty-hint {
  color: var(--muted);
  font-size: 12px;
  margin: 10px 0 0 0;
}

.pos { color: var(--teal); }
.neg { color: var(--red); }
.neutral { color: var(--muted); }

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.tab {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.activity-log {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
  max-height: 420px;
  overflow-y: auto;
  margin: 0;
  line-height: 1.6;
}