/* ============================================================
   Exchange Monitor Dashboard — Dark Theme
   ============================================================ */

:root {
  --bg: #0d1117;
  --card: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --blue: #58a6ff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

#app { max-width: 1440px; margin: 0 auto; padding: 16px; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
}

header h1 { font-size: 18px; font-weight: 600; }
.header-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); }
.sep { color: var(--border); }
.status-offline { color: var(--red); }
.status-online { color: var(--green); }

/* Grid layout */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.card-wide { grid-column: 1 / -1; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.card h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* Stats row */
.stats-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}
.stat label { font-size: 11px; color: var(--text-dim); margin-bottom: 2px; }
.stat span { font-size: 20px; font-weight: 700; }
.pct-green { color: var(--green); }
.pct-red { color: var(--red); }
.pct-gray { color: var(--text-dim); }
.pct-yellow { color: var(--yellow); }
.pct-blue { color: var(--blue); }

/* Connection status dots */
#conn-details { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
#conn-detail { font-size: 11px; white-space: nowrap; }
#conn-detail span { margin-right: 4px; font-size: 10px; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  max-height: 320px;
  overflow-y: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  padding: 6px 8px;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 5px 8px;
  border-bottom: 1px solid rgba(48, 54, 61, 0.5);
  white-space: nowrap;
}
tr:hover td { background: rgba(88, 166, 255, 0.05); }
.trade-row { cursor: pointer; }
.loading { text-align: center; color: var(--text-dim); padding: 20px !important; }

.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-yellow { color: var(--yellow); }
.text-dim { color: var(--text-dim); }
.text-right { text-align: right; }

/* Chart controls */
.chart-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.chart-controls select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 13px;
  cursor: pointer;
}
.chart-container {
  position: relative;
  height: 300px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #484f58; }

/* Responsive */
@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
  header { flex-direction: column; gap: 8px; }
  .stats-row { justify-content: center; }
}

/* Trade Detail Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
}
.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 700px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; margin: 0; padding: 0; border: none; color: var(--text); }
.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: var(--text); }
#trade-detail-body { padding: 0; }
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.detail-section {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(48,54,61,0.4);
}
.detail-section:last-child { border-bottom: none; }
.detail-section-full { grid-column: 1 / -1; }
.detail-section h3 {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 13px;
}
.detail-row .label { color: var(--text-dim); }
.detail-row .value { font-weight: 500; }
.detail-orders { width: 100%; font-size: 12px; }
.detail-orders th { background: var(--bg); font-size: 10px; }
.detail-orders td { padding: 4px 6px; }