:root {
  --bg: #0e1014;
  --bg-2: #16191f;
  --bg-3: #1d2128;
  --fg: #e6e6e6;
  --fg-muted: #8b93a1;
  --accent: #66c0f4;
  --accent-2: #4a90c0;
  --positive: #5cb85c;
  --negative: #d9534f;
  --border: #262a32;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
  --bg: #f5f6fa;
  --bg-2: #ffffff;
  --bg-3: #eef0f5;
  --fg: #1a1d23;
  --fg-muted: #6b7280;
  --accent: #2563eb;
  --accent-2: #1e40af;
  --border: #d1d5db;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button { cursor: pointer; font: inherit; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.1rem; }
.nav { display: flex; gap: 1rem; flex: 1; }
.nav a { color: var(--fg-muted); padding: 0.25rem 0; }
.nav a.active { color: var(--accent); border-bottom: 2px solid var(--accent); }
.user { display: flex; gap: 0.75rem; align-items: center; }
.persona { color: var(--fg-muted); font-size: 0.9rem; }

.container { max-width: 1200px; margin: 1.5rem auto; padding: 0 1.5rem; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.page-head h1 { margin: 0; font-size: 1.5rem; }
.actions { display: flex; gap: 0.5rem; align-items: center; }

.banner {
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
}
.banner-error { background: var(--negative); color: #fff; }
.banner-info { background: var(--accent-2); color: #fff; }
.hidden { display: none; }

.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }
.card.centered { text-align: center; max-width: 480px; margin: 4rem auto; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.kpi-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}
.kpi-card h3 { margin: 0 0 0.5rem; font-size: 0.8rem; color: var(--fg-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 1.6rem; font-weight: 700; margin: 0 0 0.25rem; }
.kpi-sub { font-size: 0.8rem; color: var(--fg-muted); margin: 0; }

.positive { color: var(--positive); }
.negative { color: var(--negative); }
.muted { color: var(--fg-muted); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.data-table th, .data-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
.data-table th {
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tbody tr:hover { background: var(--bg-3); }

.pagination {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.btn {
  background: var(--accent-2);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
}
.btn:hover { background: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-link {
  background: transparent;
  color: var(--accent);
  border: none;
  padding: 0;
  font-size: inherit;
}
.btn-link:hover { text-decoration: underline; }
.btn-link.danger { color: var(--negative); }

.btn-steam img { display: block; margin: 1rem auto 0; }
.inline { display: inline; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.form-grid input, .form-grid select {
  padding: 0.5rem 0.6rem;
  background: var(--bg-3);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}
.form-grid label.checkbox {
  flex-direction: row;
  align-items: center;
  color: var(--fg);
}
.form-grid label.checkbox input { width: auto; }
.form-grid .span-2 { grid-column: span 2; }
.form-actions { display: flex; gap: 0.5rem; }

.status-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1rem;
  margin: 0;
}
.status-list dt { color: var(--fg-muted); }
.status-list dd { margin: 0; }

.result-box {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem;
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.8rem;
  margin-top: 0.75rem;
  overflow-x: auto;
  white-space: pre-wrap;
}

code {
  background: var(--bg-3);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.85em;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.card-head h2 { margin: 0; }
.card-actions { display: flex; gap: 0.5rem; }
.card-actions input,
.card-actions select {
  padding: 0.4rem 0.6rem;
  background: var(--bg-3);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
}

.item-icon {
  width: 40px;
  height: 30px;
  object-fit: contain;
  background: var(--bg-3);
  border-radius: 3px;
}
.item-row { cursor: pointer; }
.item-name { display: flex; flex-direction: column; }
.item-name small { color: var(--fg-muted); font-size: 0.75rem; }

.cost-source {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border-radius: 3px;
  font-size: 0.75rem;
  background: var(--bg-3);
  color: var(--fg-muted);
  margin-left: 0.4rem;
}
.cost-source.manual { color: #f0ad4e; }
.cost-source.first_seen { color: var(--accent); }
.cost-source.unknown { color: var(--negative); }

.trade-status {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border-radius: 3px;
  font-size: 0.75rem;
  background: var(--bg-3);
}
.trade-status.tradable   { color: var(--positive); }
.trade-status.locked     { color: #f0ad4e; }
.trade-status.untradable { color: var(--fg-muted); }

.data-table.sortable th[data-sort] { cursor: pointer; user-select: none; }
.data-table.sortable th[data-sort]:hover { color: var(--fg); }
.data-table.sortable th[data-sort].sorted-asc::after { content: ' ▲'; color: var(--accent); }
.data-table.sortable th[data-sort].sorted-desc::after { content: ' ▼'; color: var(--accent); }

.chart-host {
  width: 100%;
  min-height: 220px;
  position: relative;
}
.chart-host svg { width: 100%; height: 220px; display: block; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart-area { fill: var(--accent); opacity: 0.12; }
.chart-axis { stroke: var(--border); stroke-width: 1; }
.chart-tick { fill: var(--fg-muted); font-size: 10px; }
.chart-dot { fill: var(--accent); }
.chart-cursor-line { stroke: var(--fg-muted); stroke-dasharray: 2 3; stroke-width: 1; }
.chart-tooltip {
  position: absolute;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  pointer-events: none;
  white-space: nowrap;
}

.drawer { position: fixed; inset: 0; z-index: 50; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.drawer-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(560px, 95vw);
  background: var(--bg-2);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  box-shadow: -4px 0 16px rgba(0,0,0,0.3);
  overflow: hidden;
}
.drawer-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.drawer-title { display: flex; gap: 0.75rem; align-items: center; min-width: 0; }
.drawer-title img { width: 60px; height: 45px; object-fit: contain; background: var(--bg-3); border-radius: 3px; }
.drawer-title h2 { margin: 0; font-size: 1rem; overflow: hidden; text-overflow: ellipsis; }
.drawer-body { padding: 1rem; overflow-y: auto; flex: 1; }
.drawer-body h3 { font-size: 0.95rem; margin: 1.25rem 0 0.5rem; }
.drawer-body h4 { font-size: 0.75rem; margin: 0 0 0.25rem; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }
.drawer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}
.drawer-grid .kpi-value { font-size: 1.2rem; }