:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e38;
  --text: #e6e8eb;
  --muted: #8b909c;
  --green-bg: #113322;
  --green-text: #4ade80;
  --red-bg: #3a1414;
  --red-text: #f87171;
  --accent: #3b82f6;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f7;
    --panel: #ffffff;
    --border: #e2e4e9;
    --text: #1a1d23;
    --muted: #6b7280;
    --green-bg: #e7f8ee;
    --green-text: #16a34a;
    --red-bg: #fdecec;
    --red-text: #dc2626;
    --accent: #2563eb;
  }
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 14px 60px;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

h1 {
  font-size: 1.3rem;
  margin: 0;
}

.tabs {
  display: flex;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 7px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 12px;
}

.month-nav button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
}

#monthLabel {
  font-weight: 700;
  min-width: 160px;
  text-align: center;
}

.summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 0.85rem;
  color: var(--muted);
}

.summary-bar b {
  color: var(--text);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.dow {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  padding-bottom: 4px;
}

.day-cell {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.72rem;
  min-height: 68px;
}

.day-cell.empty {
  border: none;
  background: transparent;
}

.day-cell.profit {
  background: var(--green-bg);
  border-color: var(--green-text);
}

.day-cell.loss {
  background: var(--red-bg);
  border-color: var(--red-text);
}

.day-num {
  font-weight: 700;
  opacity: 0.8;
}

.day-pct {
  font-weight: 800;
  font-size: 0.95rem;
}

.day-cell.profit .day-pct { color: var(--green-text); }
.day-cell.loss .day-pct { color: var(--red-text); }

.day-tpsl {
  font-size: 0.65rem;
  color: var(--muted);
}

.inactive-notice {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .day-cell { font-size: 0.62rem; min-height: 54px; padding: 4px; }
  .day-pct { font-size: 0.8rem; }
}

.day-cell.has-data {
  cursor: pointer;
}

.day-cell.has-data:hover {
  filter: brightness(1.15);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-overlay:not([hidden]) {
  display: flex;
}

.modal-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 560px;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.05rem;
}

#modalClose {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.modal-summary {
  padding: 10px 18px;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.modal-summary b {
  color: var(--text);
}

.modal-txns {
  overflow-y: auto;
  padding: 8px 10px;
}

.txn-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 6px 0;
  font-size: 0.82rem;
}

.txn-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.txn-instrument {
  font-weight: 700;
}

.txn-badge {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.72rem;
}

.txn-badge.win { background: var(--green-bg); color: var(--green-text); }
.txn-badge.loss { background: var(--red-bg); color: var(--red-text); }
.txn-badge.neutral { background: var(--border); color: var(--muted); }

.txn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 10px;
  color: var(--muted);
  font-size: 0.78rem;
}

.txn-grid b {
  color: var(--text);
  font-weight: 600;
}