:root {
  --bg: #0d1117;
  --panel: #161b22;
  --line: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --green: #2ea043;
  --green-bg: rgba(46, 160, 67, 0.14);
  --red: #f85149;
  --red-bg: rgba(248, 81, 73, 0.14);
  --yellow: #d29922;
  --yellow-bg: rgba(210, 153, 34, 0.14);
  --blue: #58a6ff;
  --blue-bg: rgba(88, 166, 255, 0.16);
}

* {
  box-sizing: border-box;
}

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

header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
}

p,
span,
td,
th {
  color: var(--muted);
}

main {
  padding: 24px;
}

.layout {
  display: grid;
  gap: 18px;
}

form {
  display: flex;
  gap: 8px;
}

input,
button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--panel);
  color: var(--text);
}

button {
  cursor: pointer;
  background: #1f6feb;
  border-color: #1f6feb;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.summary-cards {
  grid-template-columns: repeat(6, minmax(150px, 1fr));
}

.status-cards {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card,
.panel,
.signal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.card {
  padding: 16px;
}

.primary-card {
  min-height: 96px;
}

.card span {
  display: block;
  margin-bottom: 8px;
}

.card strong {
  font-size: 22px;
  overflow-wrap: anywhere;
}

.highlight-card {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.08), 0 0 20px rgba(88, 166, 255, 0.08);
}

.panel {
  padding: 18px;
}

.analysis-panel {
  min-height: 220px;
}

.orders-panel {
  min-height: 320px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

#last-error {
  color: var(--red);
}

.signals {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.signal {
  padding: 14px;
}

.selected-signal {
  margin-top: 12px;
}

.signal.selected {
  border-width: 2px;
  box-shadow: 0 0 24px rgba(88, 166, 255, 0.12);
}

.session-allowed {
  outline: 1px solid rgba(46, 160, 67, 0.45);
}

.session-blocked {
  outline: 1px solid rgba(248, 81, 73, 0.45);
}

.signal-long {
  background: linear-gradient(135deg, var(--green-bg), var(--panel) 58%);
  border-color: rgba(46, 160, 67, 0.65);
}

.signal-short {
  background: linear-gradient(135deg, var(--red-bg), var(--panel) 58%);
  border-color: rgba(248, 81, 73, 0.65);
}

.signal-wait {
  background: linear-gradient(135deg, var(--yellow-bg), var(--panel) 58%);
  border-color: rgba(210, 153, 34, 0.55);
}

.signal-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.signal strong {
  display: inline-block;
  margin-right: 8px;
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.metrics span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(13, 17, 23, 0.45);
  font-size: 12px;
}

.long {
  color: var(--green);
}

.short {
  color: var(--red);
}

.wait {
  color: var(--yellow);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  white-space: nowrap;
}

td.reason {
  white-space: normal;
  min-width: 260px;
}

.row-open {
  background: var(--blue-bg);
}

.row-win {
  background: var(--green-bg);
}

.row-loss {
  background: var(--red-bg);
}

@media (max-width: 1000px) {
  header {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-cards,
  .status-cards,
  .signals {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
}

@media (max-width: 640px) {
  main {
    padding: 14px;
  }

  .summary-cards,
  .status-cards,
  .signals {
    grid-template-columns: 1fr;
  }

  .card strong {
    font-size: 18px;
  }
}