*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Carlito', system-ui, -apple-system, sans-serif;
  background: var(--kv-bg);
  color: var(--kv-text);
  min-height: 100vh;
  font-size: 15.5px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Header — compact single row ── */

.app-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 60px;
  border-bottom: 1px solid var(--kv-border);
}
.app-header h1 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; margin: 0; display: flex; align-items: center; }

/* ── Layout ── */

.cl-main { max-width: 860px; margin: 0 auto; padding: 0 16px; }

.cl-intro { padding: 36px 0 8px; }
.cl-eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--kv-accent); margin-bottom: 8px;
}
.cl-lead { font-size: 1.2rem; line-height: 1.5; color: var(--kv-text); max-width: 680px; }
.cl-updated { margin-top: 12px; font-size: 0.88rem; color: var(--kv-muted); }
.cl-updated a, .cl-panel-intro a { color: var(--kv-primary); text-decoration: none; font-weight: 600; }
.cl-updated a:hover { text-decoration: underline; }

.cl-section-h {
  font-size: 1.15rem; font-weight: 700; color: var(--kv-primary);
  margin: 36px 0 14px;
}

/* ── Filters ── */

.cl-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.cl-filter {
  font: inherit; font-size: 0.85rem; font-weight: 500;
  padding: 6px 14px; min-height: 36px;
  border-radius: 999px; border: 1px solid var(--kv-border);
  background: var(--kv-card); color: var(--kv-muted); cursor: pointer;
}
.cl-filter:hover { color: var(--kv-text); }
.cl-filter[aria-pressed="true"] { background: var(--kv-primary); border-color: var(--kv-primary); color: var(--kv-bg); }
.cl-filter:focus-visible { outline: 2px solid var(--kv-accent); outline-offset: 2px; }

/* ── Timeline ── */

.cl-month-h {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--kv-muted); margin: 26px 0 10px;
}

.cl-entry {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  background: var(--kv-card);
  border: 1px solid var(--kv-border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 12px;
}
.cl-entry-date { font-size: 0.85rem; font-weight: 700; color: var(--kv-primary); padding-top: 2px; white-space: nowrap; }
.cl-entry-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-bottom: 6px; }
.cl-entry h3 { font-size: 1.02rem; font-weight: 700; line-height: 1.35; color: var(--kv-text); }
.cl-entry-body > p { font-size: 0.93rem; color: var(--kv-text); line-height: 1.6; }

.cl-facts { margin-top: 10px; display: grid; gap: 6px; }
.cl-facts div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; font-size: 0.88rem; line-height: 1.55; }
.cl-facts dt { font-weight: 700; color: var(--kv-muted); }
.cl-facts dd { color: var(--kv-muted); }

.cl-where { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.cl-where li {
  font-size: 0.75rem; font-weight: 500; color: var(--kv-muted);
  background: var(--kv-card-2); border-radius: 6px; padding: 2px 8px;
}

/* Tags: brand hues only -- not the pass/fail/warn semantics. */
.cl-tag {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
  border: 1px solid currentColor;
}
.cl-tag-new-model     { color: var(--kv-primary); }
.cl-tag-new-analysis  { color: var(--kv-neutral-cyan); }
.cl-tag-refinement    { color: #a16207; }
.cl-tag-markets       { color: #6d28d9; }
.cl-tag-rates         { color: #0f766e; }
.cl-tag-screens       { color: #be185d; }
.cl-tag-consistency   { color: var(--kv-muted); }
html.dark .cl-tag-refinement { color: var(--kv-accent); }
html.dark .cl-tag-markets    { color: #c4b5fd; }
html.dark .cl-tag-rates      { color: #5eead4; }
html.dark .cl-tag-screens    { color: #f9a8d4; }

.cl-empty { color: var(--kv-muted); font-size: 0.9rem; padding: 16px 0; }

/* ── Rate tables ── */

.cl-panel-intro { font-size: 0.9rem; color: var(--kv-muted); line-height: 1.6; margin-bottom: 12px; max-width: 680px; }
.cl-table-wrap {
  overflow-x: auto;
  background: var(--kv-card);
  border: 1px solid var(--kv-border);
  border-radius: 12px;
}
.cl-table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 0.9rem; }
.cl-table th, .cl-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--kv-border); vertical-align: top; }
.cl-table thead th { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--kv-muted); background: var(--kv-card-2); }
.cl-table tbody tr:last-child th, .cl-table tbody tr:last-child td { border-bottom: none; }
.cl-table tbody th { font-weight: 600; color: var(--kv-text); }
.cl-table td { color: var(--kv-text); }
.cl-rate-note { display: block; font-size: 0.78rem; color: var(--kv-muted); }
.cl-table-history td:first-child { white-space: nowrap; font-weight: 600; color: var(--kv-primary); }
.cl-table-history td:last-child { color: var(--kv-muted); }

/* ── Tool info & FAQ ── */

.tool-info {
  max-width: 900px;
  margin: 56px auto 0;
  padding: 0 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.tool-info h2 {
  font-size: 1rem; font-weight: 600; color: var(--kv-text);
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--kv-border);
}
.tool-about p { font-size: 0.9rem; color: var(--kv-muted); line-height: 1.6; margin-bottom: 8px; }
.faq-item { border-bottom: 1px solid var(--kv-border); padding: 10px 0; }
.faq-item summary {
  font-size: 0.9rem; font-weight: 500; color: var(--kv-text);
  cursor: pointer; list-style: none; padding-right: 20px; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; position: absolute; right: 0; color: var(--kv-muted); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { font-size: 0.85rem; color: var(--kv-muted); line-height: 1.6; margin-top: 8px; }

/* ── Footer ── */

footer {
  text-align: center;
  padding: 32px 20px;
  color: var(--kv-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--kv-border);
  margin-top: 48px;
}
footer a { color: var(--kv-accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer p + p { margin-top: 8px; }

/* ── Mobile ── */

@media (max-width: 800px) {
  input, select, textarea { font-size: 16px; }
  .app-header { padding: 10px 52px; }
  .theme-toggle { width: 44px; height: 44px; }
  .app-header h1 { font-size: 1.05rem; }
}
@media (max-width: 680px) {
  .tool-info { grid-template-columns: 1fr; }
  .cl-lead { font-size: 1.05rem; }
  .cl-entry { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 16px; }
  .cl-filter { min-height: 44px; }
}