/* ==========================================================================
   Can You Fake Randomness?
   Editorial dossier, flip stage, sequence comparison, test cards,
   Pro detail table / attempt history / head-to-head / digit mode.
   ========================================================================== */

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

/* ---- The flip stage ----------------------------------------------------- */
.frt-stage {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: var(--evvy-radius-lg, 12px);
  padding: 1.2rem; background: var(--bs-body-bg, #fff);
}
[data-bs-theme="dark"] .frt-stage { background: var(--evvy-gray-100, #1E1E1E); }
.frt-progress { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.frt-progress-bar {
  flex: 1; height: 0.55rem; border-radius: 999px;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 10%, transparent); overflow: hidden;
}
.frt-progress-fill {
  display: block; height: 100%; width: 0; border-radius: 999px;
  background: var(--cluster-dark, #78118D); transition: width 0.12s linear;
}
.frt-progress-text {
  font-size: 0.78rem; font-variant-numeric: tabular-nums; white-space: nowrap;
  color: var(--evvy-text-secondary, #6C757D);
}

.frt-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.frt-flip {
  border: 2px solid var(--cluster-dark, #78118D); border-radius: var(--evvy-radius-lg, 12px);
  background: transparent; cursor: pointer; padding: 1.4rem 0.8rem; text-align: center;
  color: var(--cluster-dark, #78118D); transition: background 0.12s ease, transform 0.08s ease;
}
.frt-flip:hover, .frt-flip:focus-visible {
  background: var(--cluster-surface, #F4EAF7);
}
.frt-flip:active { transform: scale(0.97); }
[data-bs-theme="dark"] .frt-flip:hover { background: rgba(255, 255, 255, 0.07); }
.frt-flip-glyph { display: block; font-size: 2.6rem; font-weight: 700; line-height: 1; }
.frt-flip-label {
  display: block; margin-top: 0.4rem; font-size: 0.74rem; line-height: 1.5;
  color: var(--evvy-text-secondary, #6C757D);
}
.frt-flip kbd {
  font-size: 0.68rem; padding: 0.05rem 0.3rem; border-radius: 3px;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 12%, transparent);
  color: inherit; border: 0;
}

.frt-tape {
  display: flex; flex-wrap: wrap; gap: 3px; margin: 1rem 0; min-height: 1.1rem;
}
.frt-pip {
  width: 7px; height: 7px; border-radius: 2px;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 30%, transparent);
}
.frt-pip-new { background: var(--cluster-dark, #78118D); }

.frt-controls { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.frt-outline-btn {
  border: 1px solid var(--cluster-dark, #78118D); background: transparent;
  color: var(--cluster-dark, #78118D); border-radius: 999px;
  padding: 0.32rem 0.9rem; font-size: 0.8rem; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.frt-outline-btn:hover { background: var(--cluster-dark, #78118D); color: var(--cluster-text, #fff); }
.frt-outline-btn:disabled { opacity: 0.45; cursor: default; }
.frt-muted { font-size: 0.8rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.55; }

/* ---- Results ------------------------------------------------------------ */
.frt-results { display: none; }
.frt-results.show { display: block; }
.frt-hero { border-left: 4px solid transparent; }
.frt-band-hi  { border-left-color: #C62828; }
.frt-band-mid { border-left-color: #EF6C00; }
.frt-band-lo  { border-left-color: #2E7D32; }
.frt-hero-sub {
  font-size: 0.9rem; line-height: 1.6; margin-top: 0.5rem;
  color: var(--evvy-text-secondary, #6C757D); max-width: 62ch; margin-inline: auto;
}
.frt-result-note {
  font-size: 0.74rem; line-height: 1.45; margin-top: 0.35rem;
  color: var(--evvy-text-secondary, #6C757D);
}
.frt-row-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 767.98px) { .frt-row-3 { grid-template-columns: 1fr; } }
.frt-off { color: #C62828 !important; }
[data-bs-theme="dark"] .frt-off { color: #FF8A80 !important; }

.frt-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"] .frt-panel { background: var(--evvy-gray-100, #1E1E1E); }
.frt-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);
}

/* ---- Sequence comparison ------------------------------------------------ */
.frt-compare { display: grid; gap: 0.7rem; }
.frt-seq-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.7rem; align-items: start; }
.frt-seq-label {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); padding-top: 0.2rem;
}
.frt-seq { display: flex; flex-wrap: wrap; gap: 2px; }
.frt-cell {
  width: 1.15rem; height: 1.15rem; border-radius: 3px; font-size: 0.62rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.frt-h { background: color-mix(in srgb, var(--cluster-dark, #78118D) 80%, transparent); color: #fff; }
.frt-t { background: color-mix(in srgb, var(--cluster-dark, #78118D) 14%, transparent); color: var(--evvy-text-primary, #212529); }
[data-bs-theme="dark"] .frt-t { color: var(--evvy-text-primary, #E9ECEF); }
.frt-runstart { box-shadow: inset 2px 0 0 rgba(0, 0, 0, 0.35); }
@media (max-width: 575.98px) {
  .frt-seq-row { grid-template-columns: 1fr; gap: 0.25rem; }
  .frt-cell { width: 1rem; height: 1rem; font-size: 0.55rem; }
}

/* ---- Test cards --------------------------------------------------------- */
.frt-test {
  display: grid; grid-template-columns: 1.4rem 1fr; gap: 0.7rem; align-items: start;
  padding: 0.7rem 0.8rem; border-radius: 10px; margin-bottom: 0.5rem;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 3%, transparent);
  border-left: 3px solid #2E7D32;
}
.frt-test:last-child { margin-bottom: 0; }
.frt-test i { font-size: 1.05rem; line-height: 1.35; color: #2E7D32; }
.frt-test-bad { border-left-color: #C62828; }
.frt-test-bad i { color: #C62828; }
.frt-test-combined { border-left-color: var(--cluster-dark, #78118D); }
.frt-test-combined i { color: var(--cluster-dark, #78118D); }
[data-bs-theme="dark"] .frt-test i { color: #81C784; }
[data-bs-theme="dark"] .frt-test-bad i { color: #FF8A80; }
.frt-test-head { display: flex; gap: 0.6rem; align-items: baseline; flex-wrap: wrap; }
.frt-test-verdict {
  font-size: 0.72rem; font-weight: 600; color: var(--evvy-text-secondary, #6C757D);
}
.frt-test-detail { font-size: 0.82rem; line-height: 1.55; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.2rem; }

/* ---- Tables ------------------------------------------------------------- */
.frt-scroll { overflow-x: auto; }
.frt-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 420px; }
.frt-table th {
  text-align: left; font-size: 0.66rem; letter-spacing: 0.09em; 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);
}
.frt-table td {
  padding: 0.45rem 0.7rem 0.45rem 0; vertical-align: top;
  border-bottom: 1px solid color-mix(in srgb, var(--evvy-border-color, #DEE2E6) 50%, transparent);
}
.frt-table tr:last-child td { border-bottom: 0; }
.frt-num { white-space: nowrap; font-variant-numeric: tabular-nums; }
.frt-note-cell { font-size: 0.78rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.45; }
.frt-cmp-key {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D);
}
.frt-best {
  font-size: 0.88rem; padding: 0.6rem 0.8rem; border-radius: 10px; margin-bottom: 0.8rem;
  background: color-mix(in srgb, var(--cluster-dark, #78118D) 6%, transparent);
}
.frt-h2h-verdict {
  font-size: 1.1rem; font-weight: 700; margin: 0.9rem 0 0.6rem;
  color: var(--cluster-dark, #78118D);
}

/* ---- Digit mode --------------------------------------------------------- */
.frt-digits { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.5rem; }
@media (min-width: 576px) { .frt-digits { grid-template-columns: repeat(10, 1fr); } }
.frt-digit {
  border: 1px solid var(--cluster-dark, #78118D); border-radius: 10px; background: transparent;
  color: var(--cluster-dark, #78118D); font-size: 1.3rem; font-weight: 700;
  padding: 0.6rem 0; cursor: pointer;
}
.frt-digit:hover { background: var(--cluster-surface, #F4EAF7); }
[data-bs-theme="dark"] .frt-digit:hover { background: rgba(255, 255, 255, 0.07); }
.frt-digit:active { transform: scale(0.95); }

.frt-digit-bars {
  display: grid; grid-template-columns: repeat(10, 1fr); gap: 0.3rem;
  align-items: end; height: 8rem; margin: 1rem 0;
}
.frt-digit-bar {
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center;
  height: 100%; position: relative;
}
.frt-digit-fill {
  width: 100%; border-radius: 4px 4px 0 0; min-height: 2px;
  background: var(--cluster-dark, #78118D);
}
.frt-digit-num { font-size: 0.7rem; font-weight: 700; margin-top: 0.2rem; }
.frt-digit-count { font-size: 0.62rem; color: var(--evvy-text-secondary, #6C757D); }