:root {
  --navy: #132B54;
  --navy-dark: #0c1d3a;
  --navy-soft: #e8edf5;
  --green: #1a8f4c;
  --red: #c0392b;
  --gray: #6b7280;
  --border: #e2e5eb;
  --bg: #f6f7fa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: #1c2433;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--navy);
  color: #fff;
  padding: 16px 24px;
}

.brand { display: flex; align-items: center; gap: 14px; }
.logo { width: 44px; height: 44px; border-radius: 10px; }
.brand h1 { font-size: 1.15rem; margin: 0; }
.subtitle { margin: 2px 0 0; font-size: 0.8rem; color: #c7d2e8; }

.status-block { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pill { padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.pill-loading { background: #3a4d70; color: #dbe4f5; }
.pill-live { background: #1a8f4c; color: #fff; }
.pill-file { background: #b7791f; color: #fff; }
.pill-error { background: var(--red); color: #fff; }
.last-updated { font-size: 0.75rem; color: #c7d2e8; }

.btn {
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 600;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-outline { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.file-btn { display: inline-flex; align-items: center; }

.banner {
  background: #fff4e0;
  border-bottom: 1px solid #f0d59a;
  color: #7a4d00;
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.banner p { margin: 0; font-size: 0.85rem; }
.banner a { color: #7a4d00; }
.hidden { display: none !important; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: transparent;
  border: none;
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  border-bottom: 3px solid transparent;
}
.tab-btn.active { color: var(--navy); border-bottom-color: var(--navy); }

main { padding: 20px 24px 40px; max-width: 1200px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.combo { display: flex; gap: 8px; flex-wrap: wrap; }
.combo input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  min-width: 140px;
}

.table-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { padding: 10px 14px; text-align: right; white-space: nowrap; }
th:first-child, td:first-child, th:nth-child(2), td:nth-child(2) { text-align: left; }
thead th { background: var(--navy-soft); color: var(--navy); font-weight: 700; position: sticky; top: 0; }
tbody tr { border-top: 1px solid var(--border); }
tbody tr:hover { background: #fafbfd; }
tfoot td { font-weight: 700; border-top: 2px solid var(--border); }

.positive { color: var(--green); font-weight: 600; }
.negative { color: var(--red); font-weight: 600; }
.neutral { color: var(--gray); }

.remove-btn {
  background: none; border: none; color: var(--red); cursor: pointer; font-size: 0.9rem;
}

.empty-hint { padding: 24px; text-align: center; color: var(--gray); font-size: 0.85rem; }

.monitor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 480px;
}
.monitor-top { display: flex; justify-content: space-between; align-items: flex-start; }
.monitor-ticker { font-size: 1.4rem; font-weight: 800; color: var(--navy); }
.monitor-issuer { color: var(--gray); font-size: 0.85rem; }
.monitor-price { font-size: 2.4rem; font-weight: 800; margin-top: 12px; }
.monitor-change { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.monitor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  font-size: 0.8rem;
  margin-bottom: 16px;
}
.monitor-grid span { display: block; color: var(--gray); }
.monitor-grid strong { display: block; font-size: 0.95rem; }
.sparkline { width: 100%; height: 60px; }
.monitor-hint { font-size: 0.72rem; color: var(--gray); margin-top: 8px; }

.app-footer {
  text-align: center;
  padding: 20px;
  color: var(--gray);
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  .app-header { padding: 14px 16px; }
  main { padding: 16px; }
  th, td { padding: 8px 10px; }
}