* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0a0f;
  --panel: #111118;
  --border: #1e1e2e;
  --border-soft: #2a2a3a;
  --text: #e0e0e0;
  --text-dim: #888;
  --text-faint: #555;
  --accent: #4a9eff;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f59e0b;
  --purple: #a855f7;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  min-height: 100vh;
}

.header {
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.header h1 { font-size: 17px; color: #fff; font-weight: 600; }

.header-controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.header-controls label {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--text-dim);
  font-size: 12px;
}

#token-input {
  background: #1a1a24;
  color: var(--text);
  border: 1px solid #333;
  border-radius: 6px;
  padding: 6px 10px;
  width: 280px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.5px;
}
#token-input:focus { outline: none; border-color: var(--accent); }
#token-input::placeholder { color: var(--text-faint); font-family: inherit; }

select, button, input {
  font-family: inherit;
  font-size: 13px;
}

select {
  background: #1a1a24;
  color: var(--text);
  border: 1px solid #333;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  min-width: 240px;
}
select:hover { border-color: #555; }
select:focus { outline: none; border-color: var(--accent); }

button {
  background: #1a1a24;
  color: var(--text);
  border: 1px solid #333;
  border-radius: 6px;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.15s;
}
button:hover { background: #2a2a3a; border-color: #555; }
button.primary {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(74, 158, 255, 0.1);
  font-weight: 600;
}
button.primary:hover { background: rgba(74, 158, 255, 0.2); }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

.status { font-size: 12px; color: var(--text-dim); min-width: 200px; }
.status.error { color: var(--red); }
.status.cached { color: var(--green); }

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  min-height: calc(100vh - 56px);
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border-soft);
  padding: 18px;
  overflow-y: auto;
  max-height: calc(100vh - 56px);
}
.sidebar h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 14px;
}

#params-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.param-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.param-row label {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 500;
}
.param-row .description {
  font-size: 10px;
  color: var(--text-faint);
  line-height: 1.4;
}
.param-row input[type="number"],
.param-row input[type="text"],
.param-row input[type="date"],
.param-row select {
  background: #1a1a24;
  border: 1px solid #333;
  color: var(--text);
  border-radius: 5px;
  padding: 5px 8px;
  width: 100%;
  font-size: 12px;
  min-width: unset;
}
.param-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
.param-row input:focus,
.param-row select:focus { outline: none; border-color: var(--accent); }

.param-row .row-inline {
  display: flex;
  gap: 8px;
  align-items: center;
}
.param-row .row-inline input { flex: 1; }

.param-group {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.param-group:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.param-group-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.sidebar-actions {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.sidebar-actions button { width: 100%; }

.main {
  padding: 18px 22px 24px;
  overflow-y: auto;
  max-height: calc(100vh - 56px);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.metric .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.metric .value { font-size: 18px; font-weight: 600; color: #fff; }
.metric .value.green { color: var(--green); }
.metric .value.red { color: var(--red); }
.metric .sub { font-size: 11px; color: var(--text-dim); margin-top: 2px; }

.placeholder {
  grid-column: 1 / -1;
  padding: 40px;
  text-align: center;
  color: var(--text-faint);
  border: 1px dashed var(--border-soft);
  border-radius: 8px;
  font-style: italic;
}

.chart-container {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  background: var(--panel);
}
.chart-label {
  position: absolute;
  top: 8px;
  left: 12px;
  z-index: 10;
  font-size: 11px;
  color: var(--text-dim);
  background: rgba(10, 10, 15, 0.8);
  padding: 2px 8px;
  border-radius: 4px;
  pointer-events: none;
}
.chart { height: 280px; }
.chart.small { height: 140px; }

.trades {
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.trades summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  list-style: none;
}
.trades summary::-webkit-details-marker { display: none; }
.trades summary::before {
  content: "▶";
  margin-right: 6px;
  font-size: 9px;
  color: var(--text-dim);
}
.trades[open] summary::before { content: "▼"; }

#trade-log-container {
  margin-top: 12px;
  max-height: 400px;
  overflow-y: auto;
}
.trades table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.trades th {
  text-align: left;
  padding: 6px 8px;
  background: #1a1a24;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-weight: 600;
  position: sticky;
  top: 0;
}
.trades td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.trades tr:hover td { background: rgba(74, 158, 255, 0.05); }
.trades .buy { color: var(--green); }
.trades .sell { color: var(--red); }

.tooltip {
  position: fixed;
  z-index: 1000;
  background: #1a1a28;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 11px;
  pointer-events: none;
  max-width: 320px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}
.tooltip .tt-header { font-weight: 600; color: #fff; margin-bottom: 6px; font-size: 12px; }
.tooltip .tt-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
}
.tooltip .tt-label { color: var(--text-dim); }
.tooltip .tt-value { color: var(--text); font-weight: 500; }

.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--text-faint);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }