:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #262b35;
  --text: #e6e9ef;
  --sub: #8b92a3;
  --accent: #4f8cff;
  --up: #ff5c5c;
  --down: #3d8bff;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* App layout */
header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
header h1 { margin: 0; font-size: 20px; }

#app-screen { max-width: 900px; margin: 0 auto; padding-bottom: 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 20px 24px;
  padding: 20px;
}
.card h2 { margin: 0 0 16px; font-size: 16px; color: var(--sub); font-weight: 600; }

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
}
button:hover { opacity: 0.9; }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
button.danger { background: var(--up); }
button.small { padding: 6px 10px; font-size: 12px; }

/* Summary */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat {
  background: #0f1115;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat .label { color: var(--sub); font-size: 12px; }
.stat .value { font-size: 18px; font-weight: 700; }
.value.pos { color: var(--up); }
.value.neg { color: var(--down); }

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--sub);
  gap: 6px;
  position: relative;
}
.form-grid label.wide { grid-column: span 3; }
.form-grid input, .form-grid select {
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0f1115;
  color: var(--text);
  font-size: 14px;
}
.form-actions { margin-top: 16px; display: flex; gap: 10px; }

/* Ticker autocomplete */
.autocomplete-wrap { position: relative; }
.suggestions {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  z-index: 20;
  background: #0f1115;
  border: 1px solid var(--border);
  border-radius: 8px;
  list-style: none;
  margin: 0;
  padding: 4px;
  max-height: 240px;
  overflow-y: auto;
}
.suggestions li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}
.suggestions li:hover { background: rgba(79,140,255,0.15); }
.suggestions .muted { color: var(--sub); font-size: 12px; }

/* Chart */
#pnl-chart { width: 100%; }
.empty-hint { color: var(--sub); text-align: center; padding: 30px 0; margin: 0; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 4px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--sub); font-weight: 600; font-size: 12px; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.list-header h2 { margin: 0; }
.filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.filters select, .filters input[type="date"] {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0f1115;
  color: var(--text);
  font-size: 13px;
}
.filters .tilde { color: var(--sub); }
.filtered-summary { color: var(--sub); font-size: 13px; margin: 0 0 12px; min-height: 18px; }

.badge { padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.badge.buy { background: rgba(61,139,255,0.15); color: var(--down); }
.badge.sell { background: rgba(255,92,92,0.15); color: var(--up); }

#empty-msg { color: var(--sub); text-align: center; padding: 20px 0; }

@media (max-width: 640px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid label.wide { grid-column: span 1; }
  .card { margin: 12px; padding: 14px; }
  .list-header { flex-direction: column; align-items: flex-start; }
}