:root {
  --ink: #1d1d1f;
  --ink-soft: #6e6e73;
  --muted: #6e6e73;
  --accent: #0071e3;
  --surface: #f5f5f7;
  --surface-elevated: #ffffff;
  --section-alt: #eef1f6;
  --border: rgba(0, 0, 0, 0.08);
  --max-width: 720px;
  --page-gutter: 24px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;
  --radius-md: 12px;
  --radius-pill: 980px;
  --success: #0d7a3e;
  --success-bg: #ecfdf5;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --warn: #92400e;
  --warn-bg: #fffbeb;
  --on-accent: #ffffff;
  --header-bg: rgba(245, 245, 247, 0.72);
  --frost-bg: rgba(255, 255, 255, 0.92);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f5f5f7;
  --ink-soft: #a1a1a6;
  --muted: var(--ink-soft);
  --accent: #0a84ff;
  --surface: #1c1c1e;
  --surface-elevated: #2c2c2e;
  --section-alt: #000000;
  --border: rgba(255, 255, 255, 0.12);
  --success: #30d158;
  --success-bg: color-mix(in srgb, var(--success) 16%, var(--surface-elevated));
  --danger: #ff453a;
  --danger-bg: color-mix(in srgb, var(--danger) 16%, var(--surface-elevated));
  --warn: #ffd60a;
  --warn-bg: color-mix(in srgb, var(--warn) 16%, var(--surface-elevated));
  --on-accent: #ffffff;
  --header-bg: rgba(28, 28, 30, 0.82);
  --frost-bg: rgba(44, 44, 46, 0.92);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Instrument Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.55;
}

.site-header,
.site-footer {
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-footer {
  border-bottom: 0;
  border-top: 1px solid var(--border);
  margin-top: var(--space-8);
}

.site-header .inner,
.site-footer .inner,
.page-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4) var(--page-gutter);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.lang-select-wrap {
  display: flex;
  align-items: center;
}

.lang-select {
  min-width: 7.5rem;
  max-width: 11rem;
  min-height: 2rem;
  padding: 0.375rem 1.75rem 0.375rem 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background-color: var(--surface-elevated);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.625rem center;
  background-size: 12px 12px;
  color: var(--ink);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.25;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.lang-select:hover:not(:disabled) {
  border-color: var(--border-strong);
}

.lang-select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

html[data-theme="dark"] .lang-select {
  background-color: var(--surface-elevated);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a1a1a6' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
}

.lf-hero-compact {
  padding: var(--space-6) 0 var(--space-5);
}

.lf-hero-title-sm {
  margin: 0;
  font-family: Newsreader, Georgia, serif;
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.lf-hero-lead {
  margin: var(--space-3) 0 0;
  color: var(--muted);
  max-width: 40rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.badge-muted {
  background: var(--section-alt);
  color: var(--muted);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.lf-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.meta {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
}

.meta div {
  display: grid;
  gap: 2px;
}

.meta dt {
  font-size: 0.75rem;
  color: var(--muted);
}

.meta dd {
  margin: 0;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

h2 {
  margin: var(--space-5) 0 var(--space-3);
  font-size: 1.05rem;
}

.lines {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.lines th,
.lines td {
  text-align: left;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}

.lines th:last-child,
.lines td:last-child {
  text-align: right;
}

.tax-totals {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: var(--space-5);
  font-size: 1.1rem;
}

.note {
  margin: var(--space-5) 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer {
  color: var(--muted);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  :root {
    --page-gutter: 16px;
  }
}