/* ==========================================================================
   Birthday Twins — Who Shares Your Day
   Editorial dossier, date input, field filter chips, person cards with
   thumbnails, Pro readership ranking / events & deaths / century breakdown.
   ========================================================================== */

/* ---- Editorial ---------------------------------------------------------- */
.bt-ed { display: grid; grid-template-columns: 104px 1fr; gap: 1.5rem; align-items: start; }
.bt-ed-art { display: flex; flex-direction: column; align-items: center; color: var(--cluster-dark, #78118D); }
.bt-ed-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 0.6rem; opacity: 0.65; border: 1px solid currentColor;
  padding: 0.15rem 0.45rem; border-radius: 2px;
}
.bt-ed-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.bt-ed-head h2 { font-weight: 600; letter-spacing: -0.01em; }
.bt-ed-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 0.22rem 0.6rem; background: var(--cluster-dark, #78118D); color: #fff; border-radius: 2px;
}
.bt-ed p { margin: 0 0 0.7rem 0; }
.bt-ed-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.55rem 1.4rem; padding-top: 0.8rem; font-size: 0.78rem;
  border-top: 1px dashed color-mix(in srgb, var(--cluster-dark, #78118D) 35%, transparent);
}
.bt-ed-meta span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.6; display: block; margin-bottom: 0.1rem;
}
@media (max-width: 575.98px) {
  .bt-ed { grid-template-columns: 1fr; gap: 1rem; }
  .bt-ed-art { flex-direction: row; gap: 0.8rem; align-items: center; }
  .bt-ed-code { margin-top: 0; }
}

/* ---- Input -------------------------------------------------------------- */
.bt-input-grid { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.bt-input-grid input[type="date"] { max-width: 15rem; }
.bt-btn {
  border: 0; background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff);
  border-radius: 999px; padding: 0.5rem 1.3rem; font-size: 0.9rem; font-weight: 700; cursor: pointer;
}
.bt-btn:hover { filter: brightness(1.1); }

.bt-loading, .bt-error {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.9rem 1rem; margin-top: 1rem;
  border-radius: var(--evvy-radius-lg, 12px); background: var(--cluster-surface, #F3E6F7);
  font-size: 0.88rem;
}
[data-bs-theme="dark"] .bt-loading, [data-bs-theme="dark"] .bt-error { background: var(--evvy-gray-100, #1E1E1E); }
.bt-error { color: #C62828; }
[data-bs-theme="dark"] .bt-error { color: #FF8A80; }
.bt-danger { color: #C62828; }
[data-bs-theme="dark"] .bt-danger { color: #FF8A80; }
.bt-spinner {
  width: 1rem; height: 1rem; border-radius: 50%; flex: none; display: inline-block;
  border: 2px solid color-mix(in srgb, var(--cluster-dark, #78118D) 30%, transparent);
  border-top-color: var(--cluster-dark, #78118D); animation: bt-spin 0.8s linear infinite;
}
@keyframes bt-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .bt-spinner { animation-duration: 3s; } }

/* ---- Results shell ------------------------------------------------------ */
.bt-results { display: none; }
.bt-results.show { display: block; }
.bt-hero-sub {
  font-size: 0.88rem; line-height: 1.6; margin-top: 0.5rem;
  color: var(--evvy-text-secondary, #6C757D); max-width: 68ch; margin-inline: auto;
}
.bt-result-note {
  font-size: 0.74rem; line-height: 1.45; margin-top: 0.35rem;
  color: var(--evvy-text-secondary, #6C757D);
}
.bt-small-value { font-size: 1.2rem !important; line-height: 1.3; }
.bt-row-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 991.98px) { .bt-row-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .bt-row-4 { grid-template-columns: 1fr; } }

.bt-panel {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: var(--evvy-radius-lg, 12px);
  padding: 1.1rem 1.2rem; margin-top: 1.25rem; background: var(--bs-body-bg, #fff);
}
[data-bs-theme="dark"] .bt-panel { background: var(--evvy-gray-100, #1E1E1E); }
.bt-panel-title {
  font-weight: 700; font-size: 0.95rem; margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.45rem; color: var(--cluster-dark, #78118D);
}
.bt-muted { font-size: 0.8rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.55; }
.bt-status { font-size: 0.82rem; line-height: 1.55; margin-top: 0.6rem; display: flex; align-items: center; gap: 0.5rem; }
.bt-status:empty { display: none; }
.bt-outline-btn {
  border: 1px solid var(--cluster-dark, #78118D); background: transparent;
  color: var(--cluster-dark, #78118D); border-radius: 999px;
  padding: 0.35rem 0.95rem; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.bt-outline-btn:hover { background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff); }
.bt-outline-btn:disabled { opacity: 0.5; cursor: default; }
.bt-sub-h {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); margin-bottom: 0.45rem;
}

/* ---- Filters ------------------------------------------------------------ */
.bt-filters { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.9rem; }
.bt-chip {
  border: 1px solid var(--evvy-border-color, #DEE2E6); background: transparent; color: inherit;
  border-radius: 999px; padding: 0.2rem 0.7rem; font-size: 0.78rem; cursor: pointer;
}
.bt-chip:hover { border-color: var(--cluster-dark, #78118D); }
.bt-chip-on {
  background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff);
  border-color: var(--cluster-dark, #78118D); font-weight: 700;
}

/* ---- People ------------------------------------------------------------- */
.bt-people { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.5rem; }
.bt-person {
  display: flex; gap: 0.7rem; align-items: flex-start; text-decoration: none; color: inherit;
  padding: 0.55rem 0.7rem; border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 4%, transparent);
  border-left: 3px solid transparent;
}
.bt-person:hover {
  border-left-color: var(--cluster-dark, #78118D);
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 9%, transparent);
}
.bt-avatar {
  width: 56px; height: 56px; flex: none; border-radius: 8px; object-fit: cover;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 12%, transparent);
}
.bt-avatar-blank {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: var(--cluster-dark, #78118D);
}
.bt-person-body { min-width: 0; display: block; }
.bt-person-name { display: block; font-weight: 700; font-size: 0.88rem; line-height: 1.25; }
.bt-person-meta { display: block; font-size: 0.72rem; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.1rem; }
.bt-person-desc {
  display: block; font-size: 0.76rem; line-height: 1.4; margin-top: 0.2rem;
  color: var(--evvy-text-secondary, #6C757D);
}
.bt-more-wrap { text-align: center; margin-top: 0.9rem; }

/* ---- Shared bars -------------------------------------------------------- */
.bt-bar-track {
  height: 0.7rem; border-radius: 999px; display: block;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 8%, transparent);
}
.bt-bar-fill {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, #C77DDA, var(--cluster-dark, #78118D));
}

/* ---- Pro: readership ---------------------------------------------------- */
.bt-views-lead {
  font-size: 0.86rem; line-height: 1.6; margin: 0.9rem 0;
  padding: 0.7rem 0.9rem; border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 7%, transparent);
  border-left: 3px solid var(--cluster-dark, #78118D);
}
.bt-views { display: grid; gap: 0.3rem; }
.bt-view-row {
  display: grid; grid-template-columns: 1.8rem 12rem 4rem 1fr 5rem; gap: 0.6rem;
  align-items: center; font-size: 0.83rem;
}
.bt-view-rank { color: var(--evvy-text-secondary, #6C757D); font-variant-numeric: tabular-nums; text-align: right; }
.bt-view-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bt-view-year { font-size: 0.75rem; color: var(--evvy-text-secondary, #6C757D); font-variant-numeric: tabular-nums; }
.bt-view-n { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }
@media (max-width: 767.98px) {
  .bt-view-row { grid-template-columns: 1.8rem 1fr 5rem; row-gap: 0.1rem; }
  .bt-view-year { grid-column: 2; font-size: 0.7rem; }
  .bt-bar-track { grid-column: 1 / -1; }
}

/* ---- Pro: events & deaths ----------------------------------------------- */
.bt-events { display: grid; gap: 0.35rem; }
.bt-event {
  display: grid; grid-template-columns: 4.2rem 1fr; gap: 0.7rem; align-items: baseline;
  padding: 0.35rem 0.6rem; border-radius: 6px; font-size: 0.84rem;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 3%, transparent);
}
.bt-event-year { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--cluster-dark, #78118D); }
.bt-event-text { line-height: 1.5; }
.bt-deaths { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.35rem; }
.bt-death {
  display: block; text-decoration: none; color: inherit;
  padding: 0.4rem 0.6rem; border-radius: 6px; font-size: 0.83rem;
  background: color-mix(in srgb, var(--evvy-text-secondary, #6C757D) 8%, transparent);
}
.bt-death:hover { background: color-mix(in srgb, var(--cluster-dark, #78118D) 10%, transparent); }
.bt-death span { display: block; font-size: 0.74rem; color: var(--evvy-text-secondary, #6C757D); }

/* ---- Pro: centuries ----------------------------------------------------- */
.bt-cent { display: grid; gap: 0.3rem; }
.bt-cent-row { display: grid; grid-template-columns: 9rem 1fr 3rem; gap: 0.7rem; align-items: center; font-size: 0.83rem; }
.bt-cent-label { color: var(--evvy-text-secondary, #6C757D); }
.bt-cent-n { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
@media (max-width: 575.98px) {
  .bt-cent-row { grid-template-columns: 7rem 1fr 2.6rem; font-size: 0.78rem; }
}