/**
 * Shared artefact styles — imported by every artefact HTML file.
 * Keeps palette, typography, structural layout, and controls consistent.
 */

/* ==== PALETTE ==== */
:root {
  --bg: #faf7f0;
  --ink: #1a1a1d;
  --ink-soft: #4a4a52;
  --muted: #8c8c93;
  --line: #e4dfd2;
  --accent: #d94b2f;
  --gold: #e0a526;
  --green: #3a9f5e;
  --paper: #fff;
}

/* ==== RESET ==== */
* { box-sizing: border-box; }
html, body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Iowan Old Style", "Palatino", ui-serif, Georgia, serif;
  -webkit-font-smoothing: antialiased;
}

/* ==== STRUCTURAL ==== */
.wrap { max-width: 1040px; margin: 0 auto; padding: 24px 24px 28px; }
.stage {
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 28px 22px; box-shadow: 0 2px 0 rgba(0,0,0,0.03);
}

/* ==== BUTTONS ==== */
.btn {
  font-family: "Inter", sans-serif;
  font-size: 12px; font-weight: 700;
  padding: 10px 16px; border-radius: 8px;
  border: 1px solid var(--ink);
  background: var(--paper); color: var(--ink);
  cursor: pointer; letter-spacing: 0.3px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost {
  border-color: transparent; color: var(--muted);
  background: transparent; padding-left: 4px;
}
.btn.ghost:hover { color: var(--ink); background: transparent; }
.btn:disabled { opacity: 0.25; cursor: not-allowed; }
.btn:disabled:hover { background: var(--paper); color: var(--ink); }

/* ==== PHASE NAV ==== */
.phase-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.phase-step {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.3px;
}
.phase-nav .btn-group { display: flex; gap: 8px; }

/* ==== PROMPT LINE ==== */
.prompt {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
  letter-spacing: 0.2px;
  transition: opacity 0.3s;
}

/* ==== INLINE CODE IN PROSE ==== */
code {
  font-family: "SF Mono", "Menlo", ui-monospace, monospace;
  font-size: 0.88em;
  background: rgba(0,0,0,0.045);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ==== MOBILE BASELINE ==== */
@media (max-width: 768px) {
  .wrap  { padding: 12px 12px 18px; }
  .stage { padding: 18px 14px; border-radius: 10px; }
  .btn   { font-size: 13px; padding: 12px 16px; min-height: 40px; }
}