/* ─── WW Archives Accordion — Classy Modern Theme ─────────────────────────── */
:root {
  --wwaa-year-bg: #2090ac;          /* rich slate — year header */
  --wwaa-year-bg-open: #2090ac;     /* deeper slate when expanded */
  --wwaa-year-bg-hover: #10809c;    /* subtle lighter slate on hover */
  --wwaa-accent: #0891b2;           /* refined teal accent */
  --wwaa-accent-hover: #0e7490;     /* deeper teal for year hover / link hover */
  --wwaa-surface: #ffffff;
  --wwaa-surface-subtle: #f8fafc;   /* near-white page background */
  --wwaa-stripe-1: #ffffff;
  --wwaa-stripe-2: #f1f5f9;         /* cool grey stripe */
  --wwaa-border: #e2e8f0;           /* clean light border */
  --wwaa-border-accent: #bae6fd;    /* accent-tinted border on hover */
  --wwaa-text: #1e293b;             /* high-contrast slate text */
  --wwaa-muted: #64748b;            /* soft grey for meta/secondary */
  --wwaa-hover-tint: #f0f9ff;       /* ice-blue hover wash */
  --wwaa-focus: rgba(8, 145, 178, 0.4);
  --wwaa-shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --wwaa-shadow-md: 0 4px 12px rgba(0,0,0,.09), 0 2px 4px rgba(0,0,0,.05);
  --wwaa-radius: 10px;
  --wwaa-radius-lg: 14px;
}

/* ── Wrapper ────────────────────────────────────────────────────────────────── */
.wwaa-wrap {
  border: 1px solid var(--wwaa-border);
  border-radius: var(--wwaa-radius-lg);
  padding: 20px;
  background: var(--wwaa-surface-subtle);
  box-shadow: var(--wwaa-shadow-sm);
  font-family: inherit;
}

/* ── Year group ─────────────────────────────────────────────────────────────── */
.wwaa-year {
  margin: 0 0 10px;
  padding: 0;
  border: none;
}
.wwaa-year:last-child { margin-bottom: 0; }

.wwaa-year-title { margin: 0; padding: 0; }

.wwaa-year-toggle {
  all: unset;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
  padding: 13px 18px;
  background: var(--wwaa-year-bg);
  border-radius: var(--wwaa-radius);
  color: #fff;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  box-shadow: var(--wwaa-shadow-sm);
  transition: background .18s ease, box-shadow .18s ease;
}
.wwaa-year-toggle:hover { background: var(--wwaa-year-bg-hover); box-shadow: var(--wwaa-shadow-md); }
.wwaa-year-toggle::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
  opacity: .8;
  transition: transform .2s ease, opacity .2s;
}
.wwaa-year-toggle[aria-expanded='true'] { background: var(--wwaa-year-bg-open); }
.wwaa-year-toggle[aria-expanded='true']::after { content: '−'; opacity: 1; }

/* ── Month list ─────────────────────────────────────────────────────────────── */
.wwaa-months {
  margin: 8px 0 0;
  padding: 0;
  display: none;
}
.wwaa-year.is-open .wwaa-months { display: block; }

.wwaa-months li {
  margin: 4px 0;
  list-style: none;
  border: 1px solid var(--wwaa-border);
  border-radius: var(--wwaa-radius);
  overflow: hidden;
  background: var(--wwaa-surface);
  transition: border-color .15s, box-shadow .15s;
}
.wwaa-months li:hover { border-color: var(--wwaa-border-accent); box-shadow: var(--wwaa-shadow-sm); }

.wwaa-month-even { background: var(--wwaa-stripe-1); }
.wwaa-month-odd  { background: var(--wwaa-stripe-2); }

.wwaa-month-rowlink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
  color: var(--wwaa-text);
  transition: background .15s, color .15s, border-left .15s;
  border-left: 3px solid transparent;
}
.wwaa-month-label { display: inline-flex; align-items: baseline; gap: 7px; }

.wwaa-month-rowlink::after {
  content: '+';
  font-size: 1rem;
  font-weight: 700;
  color: var(--wwaa-muted);
  flex-shrink: 0;
  transition: color .15s, transform .2s ease;
}
.wwaa-month-rowlink[aria-expanded='true']::after { content: '−'; color: var(--wwaa-accent); }

.wwaa-month-rowlink:hover,
.wwaa-month-rowlink:focus {
  background: var(--wwaa-hover-tint);
  color: var(--wwaa-accent-hover);
  border-left-color: var(--wwaa-accent);
  text-decoration: none;
}

/* ── Post list ──────────────────────────────────────────────────────────────── */
.wwaa-month-panel { padding: 0 0 6px; }

.wwaa-posts { margin: 6px 0 0; padding: 0 0 0 4px; }

.wwaa-posts li {
  margin: 3px 0;
  list-style: none;
  border: 1px solid var(--wwaa-border);
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
  background: var(--wwaa-surface);
  transition: border-color .15s, box-shadow .15s;
}
.wwaa-posts li:hover { border-color: var(--wwaa-border-accent); box-shadow: 0 1px 4px rgba(8,145,178,.1); }

.wwaa-row-even { background: var(--wwaa-stripe-1); }
.wwaa-row-odd  { background: var(--wwaa-stripe-2); }

.wwaa-rowlink {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  color: var(--wwaa-text);
  font-size: .88rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s, color .15s, border-left .15s;
  border-left: 3px solid transparent;
}
.wwaa-rowlink:hover,
.wwaa-rowlink:focus {
  background: var(--wwaa-hover-tint);
  color: var(--wwaa-accent-hover);
  border-left-color: var(--wwaa-accent);
  text-decoration: none;
}

/* ── Meta / state ───────────────────────────────────────────────────────────── */
.wwaa-loading { font-style: italic; font-size: .88rem; color: var(--wwaa-muted); padding: 10px 16px; }
.wwaa-error { color: #dc2626; font-size: .88rem; padding: 6px 14px; }

.wwaa-meta {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--wwaa-muted);
  letter-spacing: .03em;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Focus rings (accessibility) ────────────────────────────────────────────── */
.wwaa-year-toggle:focus-visible,
.wwaa-month-rowlink:focus-visible,
.wwaa-rowlink:focus-visible {
  outline: 3px solid var(--wwaa-focus);
  outline-offset: 2px;
}