.vault-theme {
  --ink: #12181B;
  --surface: #1C2428;
  --surface-hover: #232D32;
  --brass: #B8874A;
  --brass-bright: #D4A469;
  --brass-dim: rgba(184, 135, 74, 0.15);
  --parchment: #EDE6D8;
  --parchment-ink: #3A3226;
  --text-warm: #F2ECE0;
  --text-muted: #9BA8AC;
  --verdict-true: #4C7A6B;
  --verdict-myth: #A6483C;

  background: var(--ink);
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 4rem 1.5rem 5rem;
}

.vault-theme .vault-inner { max-width: 960px; margin: 0 auto; }
.vault-theme .vault-inner-narrow { max-width: 720px; margin: 0 auto; }

.vault-theme h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--text-warm);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.vault-theme h2, .vault-theme h3, .vault-theme h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  color: var(--text-warm);
}
.vault-theme p, .vault-theme label, .vault-theme span, .vault-theme div, .vault-theme td, .vault-theme th, .vault-theme li {
  font-family: 'IBM Plex Sans', sans-serif;
}

.vault-theme p.vault-tagline {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 56ch;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.vault-theme .vault-nav-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3rem;
  font-size: 0.95rem;
}
.vault-theme .vault-nav-row a { color: var(--brass); text-decoration: none; transition: color 0.15s ease; }
.vault-theme .vault-nav-row a:hover { color: var(--brass-bright); }
.vault-theme .vault-nav-row span.vault-divider { width: 1px; height: 1em; background: rgba(184, 135, 74, 0.35); display: inline-block; }

.vault-theme .vault-wing-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--surface);
  border-left: 4px solid var(--brass);
  border-radius: 2px 10px 10px 2px;
  padding: 1.75rem 2rem;
  margin-bottom: 1rem;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
}
.vault-theme .vault-wing-row:hover { background: var(--surface-hover); border-left-color: var(--brass-bright); }
.vault-theme .vault-wing-handle { flex-shrink: 0; width: 48px; height: 48px; }
.vault-theme .vault-wing-body { flex-grow: 1; min-width: 0; }
.vault-theme .vault-wing-name { font-family: 'Fraunces', Georgia, serif; font-weight: 600; font-size: 1.4rem; color: var(--text-warm); margin-bottom: 0.35rem; }
.vault-theme .vault-wing-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; margin-bottom: 0.6rem; }
.vault-theme .vault-case-count { display: inline-block; font-size: 0.8rem; color: var(--brass-bright); background: var(--brass-dim); border-radius: 4px; padding: 0.2rem 0.6rem; }
.vault-theme .vault-enter-link { flex-shrink: 0; display: flex; align-items: center; gap: 0.4rem; font-weight: 500; font-size: 0.95rem; color: var(--brass); }
.vault-theme .vault-wing-row:hover .vault-enter-link { color: var(--brass-bright); }
.vault-theme .vault-enter-link svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.vault-theme .vault-wing-row:hover .vault-enter-link svg { transform: translateX(3px); }

.vault-theme .vault-card {
  background: var(--surface);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(184, 135, 74, 0.15);
}

.vault-theme .vault-mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 700px) { .vault-theme .vault-mode-grid { grid-template-columns: 1fr; } }
.vault-theme .vault-mode-card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.vault-theme .vault-mode-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1.25rem; }

.vault-theme label.vault-label { display: block; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.4rem; }

.vault-theme select.vault-select,
.vault-theme input.vault-input[type="number"],
.vault-theme input.vault-input[type="text"] {
  width: 100%;
  background: var(--ink);
  border: 1px solid rgba(184, 135, 74, 0.3);
  color: var(--text-warm);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  font-family: 'IBM Plex Sans', sans-serif;
  margin-bottom: 1.25rem;
}
.vault-theme select.vault-select:focus,
.vault-theme input.vault-input:focus {
  outline: none;
  border-color: var(--brass);
}

.vault-theme .vault-btn {
  display: inline-block;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.vault-theme .vault-btn-primary { background: var(--brass); color: var(--ink); }
.vault-theme .vault-btn-primary:hover { background: var(--brass-bright); color: var(--ink); }
.vault-theme .vault-btn-secondary { background: transparent; color: var(--brass); border: 1px solid var(--brass); }
.vault-theme .vault-btn-secondary:hover { background: var(--brass-dim); color: var(--brass-bright); }

.vault-theme .vault-progress-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; color: var(--text-muted); font-size: 0.95rem; }
.vault-theme .vault-progress-row .vault-score-value { color: var(--brass-bright); font-weight: 600; }

.vault-theme .vault-discipline-tag { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--brass-bright); font-size: 0.85rem; margin-bottom: 0.75rem; }

.vault-theme .vault-statement-text { font-family: 'Fraunces', Georgia, serif; font-size: 1.4rem; color: var(--text-warm); line-height: 1.4; margin-bottom: 1.5rem; }

.vault-theme .vault-verdict-buttons { display: flex; gap: 1rem; }
.vault-theme .vault-btn-truth, .vault-theme .vault-btn-myth {
  flex: 1; padding: 0.9rem 1.5rem; border-radius: 6px; border: none;
  font-family: 'IBM Plex Sans', sans-serif; font-weight: 600; font-size: 1rem;
  cursor: pointer; transition: filter 0.15s ease; color: var(--text-warm);
}
.vault-theme .vault-btn-truth { background: var(--verdict-true); }
.vault-theme .vault-btn-truth:hover { filter: brightness(1.15); }
.vault-theme .vault-btn-myth { background: var(--verdict-myth); }
.vault-theme .vault-btn-myth:hover { filter: brightness(1.15); }

.vault-theme .vault-feedback { margin-top: 1.5rem; padding: 1.25rem 1.5rem; border-radius: 6px; font-size: 0.95rem; line-height: 1.6; }
.vault-theme .vault-feedback.correct { background: rgba(76, 122, 107, 0.15); border-left: 3px solid var(--verdict-true); color: var(--text-warm); }
.vault-theme .vault-feedback.incorrect { background: rgba(166, 72, 60, 0.15); border-left: 3px solid var(--verdict-myth); color: var(--text-warm); }
.vault-theme .vault-feedback strong { color: var(--text-warm); }
.vault-theme .vault-feedback em { color: var(--brass-bright); font-style: normal; }

.vault-theme .vault-achievement-banner { margin-top: 0.75rem; padding: 0.9rem 1.25rem; border-radius: 6px; background: var(--brass-dim); border-left: 3px solid var(--brass); color: var(--text-warm); font-size: 0.9rem; }

.vault-theme .vault-evidence-card {
  background: var(--parchment);
  color: var(--parchment-ink);
  border-radius: 4px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: 1.6;
}
.vault-theme .vault-evidence-label { font-size: 0.8rem; color: #7A6B4F; margin-bottom: 0.5rem; }

.vault-theme table.vault-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.vault-theme table.vault-table th { text-align: left; color: var(--text-muted); font-weight: 500; font-size: 0.85rem; padding: 0.6rem 0.8rem; border-bottom: 1px solid rgba(184, 135, 74, 0.25); }
.vault-theme table.vault-table td { padding: 0.8rem; color: var(--text-warm); border-bottom: 1px solid rgba(255,255,255,0.05); }
.vault-theme table.vault-table tr:first-child td { color: var(--brass-bright); font-weight: 600; }

.vault-theme .vault-stats-row { display: flex; gap: 2rem; margin-bottom: 2rem; flex-wrap: wrap; }
.vault-theme .vault-stat { color: var(--text-muted); font-size: 0.9rem; }
.vault-theme .vault-stat strong { display: block; color: var(--text-warm); font-family: 'Fraunces', Georgia, serif; font-size: 1.8rem; font-weight: 600; }

.vault-theme .vault-badge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.vault-theme .vault-badge-card { background: var(--surface); border-radius: 8px; padding: 1.25rem; border: 1px solid rgba(184, 135, 74, 0.15); }
.vault-theme .vault-badge-card h5 { color: var(--text-warm); font-family: 'Fraunces', Georgia, serif; font-size: 1.1rem; margin-bottom: 0.5rem; }
.vault-theme .vault-badge-card p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.vault-theme .vault-badge-card small { color: var(--brass); font-size: 0.75rem; }

.vault-theme .vault-alert { padding: 1rem 1.25rem; border-radius: 6px; margin-bottom: 1.5rem; font-size: 0.9rem; color: var(--text-warm); }
.vault-theme .vault-alert-info { background: var(--brass-dim); border-left: 3px solid var(--brass); }
.vault-theme .vault-alert-warning { background: rgba(212, 164, 105, 0.12); border-left: 3px solid var(--brass-bright); }

.vault-theme .vault-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: color 0.15s ease;
}
.vault-theme .vault-back-link:hover { color: var(--brass-bright); }
.vault-theme .vault-back-link svg { width: 12px; height: 12px; }

.vault-theme .vault-wing-locked {
  opacity: 0.55;
  border-left-color: #6B6156;
}
.vault-theme .vault-wing-locked .vault-wing-name { color: var(--text-muted); }