/* ==========================================================================
   Coin Flip
   Editorial dossier, flipping coin, running tally, sequence strip with the
   longest run outlined, three-test verdict, Pro streak odds / best-of series /
   detection power.
   ========================================================================== */

/* ---- Editorial ---------------------------------------------------------- */
.cf-ed { display: grid; grid-template-columns: 104px 1fr; gap: 1.5rem; align-items: start; }
.cf-ed-art { display: flex; flex-direction: column; align-items: center; color: var(--cluster-dark, #78118D); }
.cf-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;
}
.cf-ed-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.cf-ed-head h2 { font-weight: 600; letter-spacing: -0.01em; }
.cf-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;
}
.cf-ed p { margin: 0 0 0.7rem 0; }
.cf-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);
}
.cf-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) {
  .cf-ed { grid-template-columns: 1fr; gap: 1rem; }
  .cf-ed-art { flex-direction: row; gap: 0.8rem; align-items: center; }
  .cf-ed-code { margin-top: 0; }
}

/* ---- The coin ----------------------------------------------------------- */
.cf-stage {
  display: grid; grid-template-columns: 10rem 1fr; gap: 1.5rem; align-items: center;
  padding: 1.4rem 1.2rem; border-radius: var(--evvy-radius-lg, 12px);
  background: var(--cluster-surface, #F3E6F7);
}
[data-bs-theme="dark"] .cf-stage { background: var(--evvy-gray-100, #1E1E1E); }
@media (max-width: 575.98px) { .cf-stage { grid-template-columns: 1fr; text-align: center; } }
.cf-coin-wrap { display: flex; justify-content: center; perspective: 800px; }
.cf-coin {
  width: 8.5rem; height: 8.5rem; position: relative;
  transform-style: preserve-3d; transition: transform 0.4s ease;
}
.cf-face {
  position: absolute; inset: 0; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  backface-visibility: hidden; border: 4px solid rgba(0, 0, 0, 0.14);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}
.cf-face span { font-size: 3rem; font-weight: 800; line-height: 1; }
.cf-face small { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; margin-top: 0.2rem; }
.cf-heads { background: linear-gradient(145deg, #F5D480, #C9973B); color: #4A3308; }
.cf-tails { background: linear-gradient(145deg, #D8DEE6, #98A4B4); color: #2A3340; transform: rotateY(180deg); }
/* Neither face until the first flip, so the coin does not look pre-decided. */
.cf-coin:not(.cf-show-heads):not(.cf-show-tails) .cf-face { opacity: 0.28; filter: grayscale(0.7); }
.cf-show-heads { transform: rotateY(0deg); }
.cf-show-tails { transform: rotateY(180deg); }
.cf-spinning { animation: cf-spin 0.42s ease-in-out; }
@keyframes cf-spin {
  0%   { transform: rotateY(0) scale(1); }
  50%  { transform: rotateY(900deg) scale(1.12); }
  100% { transform: rotateY(1800deg) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .cf-spinning { animation: none; }
  .cf-coin { transition: none; }
}

.cf-controls { display: flex; flex-direction: column; gap: 0.7rem; align-items: flex-start; }
@media (max-width: 575.98px) { .cf-controls { align-items: center; } }
.cf-flip-btn {
  border: 0; background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff);
  border-radius: 999px; padding: 0.7rem 2.6rem; font-size: 1.05rem; font-weight: 800; cursor: pointer;
  letter-spacing: 0.02em;
}
.cf-flip-btn:hover { filter: brightness(1.12); }
.cf-flip-btn:disabled { opacity: 0.45; cursor: default; }
.cf-multi { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cf-outline-btn {
  border: 1px solid var(--cluster-dark, #78118D); background: transparent;
  color: var(--cluster-dark, #78118D); border-radius: 999px;
  padding: 0.3rem 0.85rem; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.cf-outline-btn:hover, .cf-outline-btn.cf-on {
  background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff);
}
.cf-reset { border-color: var(--evvy-text-secondary, #6C757D); color: var(--evvy-text-secondary, #6C757D); }
.cf-reset:hover { background: var(--evvy-text-secondary, #6C757D); color: #fff; }
.cf-entropy { font-size: 0.76rem; line-height: 1.5; color: var(--evvy-text-secondary, #6C757D); }
.cf-entropy code {
  font-size: 0.9em; padding: 0.05rem 0.25rem; border-radius: 3px;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 10%, transparent);
}
.cf-danger { color: #C62828; }
[data-bs-theme="dark"] .cf-danger { color: #FF8A80; }

/* ---- Results shell ------------------------------------------------------ */
.cf-results { display: none; }
.cf-results.show { display: block; }
.cf-hero-sub {
  font-size: 0.88rem; line-height: 1.6; margin-top: 0.5rem;
  color: var(--evvy-text-secondary, #6C757D); max-width: 66ch; margin-inline: auto;
}
.cf-result-note {
  font-size: 0.74rem; line-height: 1.45; margin-top: 0.35rem;
  color: var(--evvy-text-secondary, #6C757D);
}
.cf-row-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 991.98px) { .cf-row-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .cf-row-4 { grid-template-columns: 1fr; } }
.cf-band-h .evvy-result-value { color: #B8860B; }
.cf-band-t .evvy-result-value { color: #566577; }
.cf-band-even .evvy-result-value { color: var(--cluster-dark, #78118D); }
[data-bs-theme="dark"] .cf-band-h .evvy-result-value { color: #E8C05A; }
[data-bs-theme="dark"] .cf-band-t .evvy-result-value { color: #B0BEC5; }

.cf-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"] .cf-panel { background: var(--evvy-gray-100, #1E1E1E); }
.cf-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);
}
.cf-muted { font-size: 0.8rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.55; }

/* ---- The sequence strip ------------------------------------------------- */
.cf-seq { display: flex; flex-wrap: wrap; gap: 2px; }
.cf-bit {
  width: 1.35rem; height: 1.35rem; border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.66rem; font-weight: 700; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.cf-bit-h { background: #E8C05A; color: #4A3308; }
.cf-bit-t { background: #B0BEC5; color: #2A3340; }
.cf-bit-long { outline: 2px solid var(--cluster-dark, #78118D); outline-offset: -2px; }

/* ---- The three tests ---------------------------------------------------- */
.cf-test {
  padding: 0.7rem 0.9rem; margin-bottom: 0.55rem; border-radius: var(--evvy-radius-lg, 12px);
  border-left: 4px solid var(--evvy-border-color, #DEE2E6);
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 3%, transparent);
}
.cf-test-strong { border-left-color: #C62828; background: color-mix(in srgb, #C62828 5%, transparent); }
.cf-test-weak   { border-left-color: #EF6C00; background: color-mix(in srgb, #EF6C00 5%, transparent); }
.cf-test-none   { border-left-color: #2E7D32; }
.cf-test-head { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
.cf-test-name { font-weight: 700; font-size: 0.92rem; }
.cf-test-p {
  margin-left: auto; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem; font-weight: 700;
}
.cf-test-what { font-size: 0.8rem; line-height: 1.55; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.25rem; }
.cf-test-detail { font-size: 0.85rem; line-height: 1.55; margin-top: 0.35rem; }
.cf-caveat {
  font-size: 0.83rem; line-height: 1.6; padding: 0.7rem 0.9rem;
  border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, var(--evvy-text-secondary, #6C757D) 10%, transparent);
}
@media (max-width: 575.98px) { .cf-test-p { margin-left: 0; } }

/* ---- Tables ------------------------------------------------------------- */
.cf-scroll { overflow-x: auto; }
.cf-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; min-width: 420px; }
.cf-table th {
  text-align: left; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); font-weight: 700; white-space: nowrap;
  padding: 0.4rem 0.7rem 0.4rem 0; border-bottom: 1px solid var(--evvy-border-color, #DEE2E6);
}
.cf-table td {
  padding: 0.4rem 0.7rem 0.4rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--evvy-border-color, #DEE2E6) 50%, transparent);
}
.cf-table tr:last-child td { border-bottom: 0; }
.cf-num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cf-row-mine td {
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 10%, transparent); font-weight: 700;
}

/* ---- Best-of series ----------------------------------------------------- */
.cf-series-picker { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }
.cf-series {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center;
  padding: 0.9rem 1rem; border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 5%, transparent);
}
.cf-series-score { text-align: center; }
.cf-series-score span {
  display: block; font-size: 0.65rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D);
}
.cf-series-score strong { font-size: 2.2rem; line-height: 1.1; }
.cf-series-mid {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--evvy-text-secondary, #6C757D); text-align: center;
}