/* ============================================================
   solver.css — Crossword Solver page styles
   Depends on site.css for base variables, reset, and layout.
   ============================================================ */

/* ── Hero ─────────────────────────────────────────────────── */
.solver-hero {
  background: linear-gradient(135deg, var(--accent) 0%, #1e40af 100%);
  color: #fff;
  padding: 48px 0 72px;   /* extra bottom padding so card overlaps */
  text-align: center;
}

.solver-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 10px;
  font-weight: 900;
}

.solver-hero__subtitle {
  font-size: 1.05rem;
  opacity: .88;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Solver section + card ────────────────────────────────── */
.solver-section {
  margin-top: -40px;       /* pull up over hero */
  padding-bottom: 40px;
}

.solver-card {
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
  padding: 32px;
  margin-bottom: 24px;
}

/* ── Inputs ───────────────────────────────────────────────── */
.solver-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.solver-input-group:last-child { margin-bottom: 0; }

.solver-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.solver-label__hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: .8rem;
  color: #9ca3af;
}

.solver-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}

.solver-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, .12);
}

.solver-input--clue {
  font-size: 1.15rem;
}

.solver-input--pattern {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.1rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.solver-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.solver-input-group--pattern { flex: 1; }
.solver-input-group--length  { width: 100px; flex-shrink: 0; }
.solver-input--length {
  text-align: center;
  font-size: 1.05rem;
  -moz-appearance: textfield;
}
.solver-input--length::-webkit-outer-spin-button,
.solver-input--length::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ── Pattern preview boxes ────────────────────────────────── */
.pattern-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 0;
  margin-top: 8px;
  transition: min-height .15s;
}

.pattern-preview:not(:empty) {
  min-height: 40px;
  margin-bottom: 4px;
}

.pattern-box {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  border-radius: 5px;
  font-weight: 700;
  font-size: .95rem;
  color: var(--muted);
  background: #f9fafb;
  font-family: 'Courier New', Courier, monospace;
  letter-spacing: 0;
  transition: border-color .1s, background .1s, color .1s;
}

.pattern-box--known {
  border-color: var(--accent);
  background: var(--accent-lt);
  color: var(--accent);
}

/* ── Status bar ───────────────────────────────────────────── */
.solver-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  min-height: 20px;
}

.solver-status {
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
}

.solver-loading {
  font-size: .82rem;
  color: var(--muted);
  font-style: italic;
}

/* ── Results list ─────────────────────────────────────────── */
.solver-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.solver-empty {
  text-align: center;
  color: var(--muted);
  padding: 32px 0;
  font-size: .95rem;
}

/* ── Individual result card ───────────────────────────────── */
.solver-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(6px);
  animation: result-in .2s ease forwards;
  transition: box-shadow .15s, transform .15s;
}

.solver-result:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

@keyframes result-in {
  to { opacity: 1; transform: translateY(0); }
}

.solver-result__top {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.result-answer-link {
  display: block;
  text-decoration: none;
}

.result-answer-link:hover { text-decoration: none; }

/* Answer letter boxes */
.result-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.result-box {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f3f4f6;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  font-weight: 800;
  font-size: .95rem;
  color: var(--text);
  font-family: var(--font-display);
  letter-spacing: 0;
  transition: background .1s, border-color .1s, color .1s;
}

.result-answer-link:hover .result-box {
  background: var(--accent-lt);
  border-color: var(--accent);
  color: var(--accent);
}

/* Known-letter boxes (pattern matched) */
.result-box--matched {
  background: var(--correct);
  border-color: #6ee7b7;
  color: #065f46;
}

/* Meta row (length + badge) */
.result-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
}

.result-length {
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.result-badge {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 3px 9px;
  border-radius: 50px;
  white-space: nowrap;
}

.result-badge--best { background: #d1fae5; color: #065f46; }
.result-badge--good { background: #fef3c7; color: #92400e; }
.result-badge--weak { background: #f3f4f6; color: var(--muted); }

/* Clue row */
.solver-result__clue {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.5;
}

.solver-result__clue a {
  color: var(--muted);
  transition: color .15s;
}

.solver-result__clue a:hover {
  color: var(--accent);
  text-decoration: none;
}

.solver-result__clue mark {
  background: #fef9c3;
  color: #78350f;
  border-radius: 2px;
  padding: 0 1px;
}

/* ── SEO content section ──────────────────────────────────── */
.solver-seo {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

/* ── FAQ accordion ────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 32px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  display: block;
  padding: 16px 20px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  position: relative;
  padding-right: 44px;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--muted);
  transition: transform .2s;
}

details[open] .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  padding: 0 20px 16px;
  font-size: .9rem;
  color: #374151;
  line-height: 1.65;
}

.faq-answer p, .faq-answer ul { margin-bottom: 10px; }
.faq-answer ul { padding-left: 20px; }
.faq-answer li { margin-bottom: 4px; }
.faq-answer code {
  font-family: 'Courier New', Courier, monospace;
  background: #f3f4f6;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: .88em;
  color: var(--accent);
}

/* ── Mobile ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .solver-hero { padding: 36px 0 60px; }

  .solver-section { margin-top: -32px; }

  .solver-card { padding: 20px; border-radius: 10px; }

  .solver-input--clue { font-size: 1rem; }

  .solver-row { flex-direction: column; gap: 0; }
  .solver-input-group--length { width: 100%; }

  .result-box { width: 28px; height: 28px; font-size: .8rem; }

  .solver-result { padding: 14px 16px; }

  .result-meta { margin-left: 0; }
}