/* Prove It — component styles: tour rail, sandbox, matrix, trust anchor,
   footer, modal, responsive rules. Split from index.html <style> (part 2 of 2). */
/* ---------- modes: guided spine + sandbox ---------- */
.modes { padding: 34px 0 8px; }
.tabs { display: flex; gap: 10px; margin-bottom: 20px; }
.tab { background: transparent; color: var(--ink-1); border: 1px solid #22334f; border-radius: 999px; padding: 8px 18px; font-size: 14px; }
.tab.active { color: #062019; background: var(--accent); border-color: var(--accent); font-weight: 700; }
.mode-grid { display: grid; grid-template-columns: 300px 1fr; gap: 22px; }
.rail { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.rail li { padding: 9px 12px; border-left: 2px solid #1c2a44; color: var(--ink-2); font-size: 14px; }
.rail li.done { color: var(--ink-1); border-left-color: var(--accent); }
.rail li.done .tick { color: var(--accent); margin-right: 6px; font-family: var(--font-mono); }
.rail li.now { color: var(--ink-0); border-left-color: var(--ink-0); background: rgba(28,41,66,.5); border-radius: 0 8px 8px 0; }
.rail li.locked { opacity: .55; }
.stage .narration { font-size: 17px; color: var(--ink-0); margin: 0 0 16px; }
.stage .hint { color: var(--ink-2); font-size: 13px; margin-top: 14px; }
.step-log { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-2); margin-top: 18px; border-top: 1px dashed #22334f; padding-top: 12px; }
.step-log div { padding: 2px 0; }

/* ---------- sandbox ---------- */
.sandbox textarea {
  width: 100%; min-height: 220px; background: #070b12; color: var(--ink-1);
  border: 1px solid #22334f; border-radius: 10px; padding: 14px;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.5; resize: vertical;
}
.sandbox .row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; align-items: center; }
.drop-note { color: var(--ink-2); font-size: 13px; }
.preview { font-family: var(--font-mono); font-size: 12.5px; color: var(--info); margin-top: 8px; }
.checkline { display: flex; gap: 8px; align-items: center; color: var(--ink-1); font-size: 14px; }

/* ---------- matrix + record boxes ---------- */
table.matrix { border-collapse: collapse; width: 100%; font-family: var(--font-mono); font-size: 12.5px; margin-top: 14px; }
table.matrix td, table.matrix th { border: 1px solid #1d2c47; padding: 7px 10px; text-align: left; }
table.matrix th { color: var(--ink-2); font-weight: 600; }
.chip { display: inline-block; font-family: var(--font-mono); font-size: 11.5px; padding: 2px 8px; border-radius: 999px; }
.chip.ok { color: var(--accent); border: 1px solid var(--accent); }
.chip.missing { color: var(--fail); border: 1px solid var(--fail); }
.chip.advisory { color: var(--warn); border: 1px solid var(--warn); }
.record-box { background: #070b12; border: 1px solid #1d2c47; border-radius: 10px; padding: 14px; font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-1); white-space: pre-wrap; word-break: break-word; margin-top: 12px; }

/* ---------- trust anchor + article 12 ---------- */
.section { padding: 44px 0; border-top: 1px solid #14203a; margin-top: 30px; }
h2 { font-size: 26px; margin: 0 0 14px; }
.section p { color: var(--ink-1); max-width: 72ch; }
.chan { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.chan .panel { padding: 16px; }
.chan .n { color: var(--ink-2); font-family: var(--font-mono); font-size: 12px; }
.chan .t { font-weight: 600; margin: 6px 0 4px; }
.chan .d { color: var(--ink-2); font-size: 13px; }
details.anchor { margin-top: 16px; border: 1px solid #22334f; border-radius: 10px; padding: 12px 16px; }
details.anchor summary { cursor: pointer; color: var(--ink-1); }
.keyline { font-family: var(--font-mono); font-size: 12.5px; color: var(--warn); margin-top: 10px; word-break: break-all; }

footer.site { border-top: 1px solid #14203a; margin-top: 40px; padding: 28px 0 46px; color: var(--ink-2); font-size: 14px; }
footer.site .law { color: var(--ink-0); font-size: 15px; margin-bottom: 8px; }

/* ---------- modal ---------- */
.modal-veil { position: fixed; inset: 0; background: rgba(4, 7, 12, .72); display: flex; align-items: center; justify-content: center; z-index: 40; }
.modal-veil[hidden] { display: none; }
.modal { background: var(--bg-2); border: 1px solid #2a3d5f; border-radius: 16px; max-width: 520px; padding: 30px 32px; }
.modal h3 { margin: 0 0 10px; font-size: 22px; }
.modal p { color: var(--ink-1); font-size: 15px; }
.modal .actions { margin-top: 20px; }

.offline-state { font-family: var(--font-mono); font-size: 12.5px; color: var(--warn); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .mode-grid { grid-template-columns: 1fr; }
  .chan { grid-template-columns: 1fr; }
}

/* utility classes replacing the monolith's inline style attributes */
.hint-hero { color: var(--ink-2); font-size: 13px; margin-top: 16px; }
.hint-a12 { color: var(--ink-2); font-size: 13px; }
.sb-load-title { margin: 0 0 10px; font-weight: 600; }
.row-flush { margin-top: 0; }
.anchor-note { color: var(--ink-1); font-size: 14px; margin-bottom: 6px; }
.fine { font-size: 12px; }