/* Shared design system (Phase 2 Task A). Light is the default; dark is
   an explicit opt-in via [data-theme="dark"] on <html>, not a
   prefers-color-scheme media query -- the toggle in nav.js is the only
   thing that sets it, persisted to localStorage (a UI preference, not
   the passphrase, so localStorage is fine here). */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2563eb;
  --positive: #16a34a;
  --negative: #dc2626;
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --surface: #171a21;
  --text: #e6e8ec;
  --text-muted: #9aa1ac;
  --border: #2a2e38;
  --accent: #5b9dff;
  --positive: #3fb950;
  --negative: #f0616d;
}

* {
  box-sizing: border-box;
}

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

main {
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

h1 {
  font-size: 1.25rem;
  margin: 0 0 1rem;
}

.status-line {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.error-line {
  color: var(--negative);
  margin-bottom: 1rem;
  display: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td {
  border-bottom: none;
}

td.num {
  text-align: right;
}

.pos {
  color: var(--positive);
}

.neg {
  color: var(--negative);
}

.muted {
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.pending {
  background: color-mix(in srgb, #d9a441 25%, transparent);
  color: #d9a441;
}

.badge.confirmed {
  background: color-mix(in srgb, var(--positive) 25%, transparent);
  color: var(--positive);
}

.badge.declined {
  background: color-mix(in srgb, var(--negative) 25%, transparent);
  color: var(--negative);
}

.badge.none {
  background: color-mix(in srgb, var(--text-muted) 25%, transparent);
  color: var(--text-muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
}

.card .label {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card .value {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.empty-state {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}

button {
  font-family: inherit;
}

/* Nav bar injected by nav.js */
.ht-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.ht-nav-links {
  display: flex;
  gap: 1.25rem;
}

.ht-nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

.ht-nav-links a:hover {
  color: var(--text);
}

.ht-nav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.ht-nav-toggle {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.ht-nav-toggle:hover {
  border-color: var(--accent);
}
