:root {
  --bg: #121212;
  --surface: #1a1a1a;
  --surface-elev: #202020;
  --text: #f2f2f0;
  --muted: #b2b2ab;
  --accent: #9dc88d;
  --accent-soft: rgba(157, 200, 141, 0.14);
  --danger: #de8a8a;
  --line: rgba(242, 242, 240, 0.12);
  --bg-overlay-one: rgba(157, 200, 141, 0.11);
  --bg-overlay-two: rgba(255, 255, 255, 0.04);
  --hero-grad-start: rgba(35, 35, 35, 0.96);
  --hero-grad-end: rgba(26, 26, 26, 0.9);
  --hero-subtle: #cccac2;
  --card-shadow: rgba(0, 0, 0, 0.18);
  --mobile-row: #1b1b1b;
}

:root[data-theme="light"] {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-elev: #fbfaf7;
  --text: #1f241f;
  --muted: #6f746a;
  --accent: #5e7e4f;
  --accent-soft: rgba(94, 126, 79, 0.12);
  --danger: #b85d5d;
  --line: rgba(31, 36, 31, 0.14);
  --bg-overlay-one: rgba(94, 126, 79, 0.12);
  --bg-overlay-two: rgba(31, 36, 31, 0.03);
  --hero-grad-start: rgba(255, 255, 255, 0.96);
  --hero-grad-end: rgba(249, 247, 241, 0.92);
  --hero-subtle: #666b63;
  --card-shadow: rgba(27, 36, 31, 0.08);
  --mobile-row: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% -20%, var(--bg-overlay-one), transparent 44%),
    radial-gradient(circle at 0% 100%, var(--bg-overlay-two), transparent 36%),
    var(--bg);
  color: var(--text);
  font-family: "Montserrat", sans-serif;
}

.ambient-glow {
  position: fixed;
  width: 460px;
  height: 460px;
  right: -120px;
  top: -160px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(157, 200, 141, 0.11), rgba(157, 200, 141, 0));
  pointer-events: none;
  filter: blur(24px);
}

.layout {
  width: min(1120px, 92vw);
  margin: 28px auto 48px;
  display: grid;
  gap: 16px;
}

.hero {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--hero-grad-start), var(--hero-grad-end));
  border-radius: 16px;
  box-shadow: 0 10px 26px var(--card-shadow);
}

.hero-kicker {
  margin: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 11px;
}

.hero-title {
  margin: 10px 0 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.8rem, 3.1vw, 2.6rem);
  letter-spacing: 0.01em;
  font-weight: 800;
}

.hero-subtitle {
  margin: 10px 0 0;
  color: var(--hero-subtle);
  max-width: 66ch;
}

.hero-meta {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.refresh-btn {
  border: 1px solid rgba(157, 200, 141, 0.55);
  background: var(--accent-soft);
  color: var(--text);
  padding: 10px 15px;
  font-family: "Montserrat", sans-serif;
  border-radius: 10px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.refresh-btn:hover {
  transform: translateY(-1px);
  background: rgba(157, 200, 141, 0.22);
  border-color: rgba(157, 200, 141, 0.75);
}

.theme-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 10px 12px;
  font-family: "Montserrat", sans-serif;
  border-radius: 10px;
  font-weight: 800;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.link-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-btn:hover {
  border-color: rgba(157, 200, 141, 0.5);
  color: var(--text);
  background: rgba(157, 200, 141, 0.08);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 8px 18px var(--card-shadow);
}

.metric-card h2 {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric-value {
  margin: 12px 0 0;
  font-family: "Montserrat", sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.metric-small {
  font-size: 1.05rem;
  line-height: 1.35;
  word-break: break-word;
}

.metric-muted {
  color: var(--muted);
  font-weight: 600;
}

.accent-open {
  color: var(--accent);
}

.table-wrap {
  border: 1px solid var(--line);
  background: var(--surface-elev);
  border-radius: 14px;
  overflow: hidden;
}

.table-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 16px 8px;
}

.table-head h2 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  letter-spacing: 0.01em;
  font-weight: 800;
}

.status-label {
  font-size: 0.82rem;
  color: var(--muted);
}

.table-scroll {
  overflow-x: auto;
  padding: 0 10px 10px;
}

.log-wrap {
  padding: 0 12px 12px;
}

.control-wrap {
  padding: 0 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.control-wrap input {
  max-width: 360px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-family: "Montserrat", sans-serif;
  font-size: 0.9rem;
  padding: 10px 12px;
}

.control-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.danger-btn {
  border-color: rgba(222, 138, 138, 0.55);
  color: var(--danger);
}

.danger-btn:hover {
  border-color: rgba(222, 138, 138, 0.8);
  background: rgba(222, 138, 138, 0.08);
}

.control-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.control-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
  padding: 0 12px 12px;
}

.details-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 10px;
}

.details-card h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.details-pre {
  min-height: 130px;
  max-height: 260px;
  font-size: 0.75rem;
}

.chart-wrap {
  padding: 0 12px 12px;
  height: 340px;
}

#pairChart {
  width: 100%;
  height: 100%;
}

.logs-console {
  margin: 0;
  min-height: 180px;
  max-height: 320px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 12px;
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, "Courier New", monospace;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  border-top: 1px solid var(--line);
  text-align: left;
  padding: 11px 10px;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.tag-open {
  border-color: rgba(157, 200, 141, 0.45);
  color: var(--accent);
}

.tag-closed {
  border-color: rgba(149, 163, 189, 0.4);
  color: var(--muted);
}

.pnl-positive {
  color: var(--accent);
}

.pnl-negative {
  color: var(--danger);
}

.empty-row {
  text-align: center;
  color: var(--muted);
  padding: 22px 10px;
}

.filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 16px 10px;
}

.filters-row label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.filters-row select,
.filters-row input {
  min-width: 190px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-family: "Montserrat", sans-serif;
  font-size: 0.88rem;
  padding: 9px 10px;
}

.filters-row input::placeholder {
  color: var(--muted);
}

.simulation-grid {
  padding: 0 12px 12px;
}

.simulation-chart-wrap {
  height: 300px;
}

#runSimulationBtn {
  min-width: 190px;
}

@media (max-width: 900px) {
  .layout {
    width: min(1120px, 94vw);
    margin: 16px auto 32px;
    gap: 12px;
  }

  .hero {
    padding: 18px;
  }

  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
  }

  .theme-btn,
  .refresh-btn {
    width: 100%;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .ambient-glow {
    display: none;
  }

  .hero-title {
    font-size: 1.55rem;
  }

  .hero-subtitle {
    font-size: 0.92rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .table-head {
    padding: 14px;
  }

  .table-scroll {
    padding: 0 8px 8px;
  }

  .filters-row {
    padding: 0 14px 10px;
  }

  .filters-row select,
  .filters-row input {
    width: 100%;
    min-width: 0;
  }

  .log-wrap {
    padding: 0 8px 8px;
  }

  .details-grid {
    padding: 0 8px 8px;
  }

  .chart-wrap {
    padding: 0 8px 8px;
    height: 260px;
  }

  .simulation-chart-wrap {
    height: 240px;
  }

  .control-wrap {
    padding: 0 14px 14px;
  }

  .control-actions {
    flex-direction: column;
  }

  .control-actions .refresh-btn,
  .control-actions .theme-btn {
    width: 100%;
  }

  #runSimulationBtn {
    width: 100%;
    min-width: 0;
  }

  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  thead {
    display: none;
  }

  tbody tr {
    background: var(--mobile-row);
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-bottom: 8px;
    padding: 8px;
  }

  tbody td {
    border-top: 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 7px 4px;
    font-size: 0.84rem;
  }

  tbody td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
  }

  .empty-row {
    display: block;
    text-align: center;
  }
}