/* =====================================================================
   The Mental Picture Strategy — shared styles
   Loaded by the dedicated page (#mps) AND the auto-embedded panel (.mp-embed),
   plus the Insight-Spark (.mp-spark) and coach-mark (.mp-coach).
   Tokens only — no new colors. Recolors to the active course/subject hue
   via --accent (set by a course-* class or an inline --accent override).
   ===================================================================== */

/* ── Instrument-panel accent: default to studio violet, override per subject ── */
#mps, .mp-embed { --mp-glow: color-mix(in srgb, var(--accent) 45%, transparent); }

/* =======================  DEDICATED PAGE  ======================= */
#mps { font-family: var(--font-ui, 'Outfit', system-ui, sans-serif); color: var(--ink); }

/* Hero uses the site cinematic-hero; these are supplements */
#mps .mps-hero-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem; border-radius: var(--ah-r-pill);
  background: var(--accent); color: #0A0E1F; border: 1px solid var(--accent);
  font-family: var(--font-display); font-weight: 700; text-decoration: none;
  letter-spacing: 0.02em; box-shadow: 0 8px 30px -12px var(--mp-glow);
  transition: transform var(--ah-dur-2) var(--ah-ease-spring), background var(--ah-dur-2), border-color var(--ah-dur-2);
}
#mps .mps-hero-cta:hover { transform: translateY(-2px) scale(1.02); background: var(--accent-bright); border-color: var(--accent-bright); }

#mps .mps-wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
#mps .mps-section { margin: 3.5rem auto; max-width: 1180px; padding: 0 1.5rem; }
#mps .mps-eyebrow {
  font-family: var(--font-display); font-size: var(--ah-fs-1); font-weight: 700;
  letter-spacing: var(--ah-ls-label, 0.14em); text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
#mps .mps-h2 {
  font-family: var(--font-display); font-size: var(--ah-fs-7); font-weight: 800;
  letter-spacing: -0.01em; color: var(--ink); margin: 0 0 0.6rem;
}
#mps .mps-lede { color: var(--ink-2); font-size: var(--ah-fs-4); line-height: var(--ah-lh-body); max-width: 68ch; }

/* ── The Protocol — instrument-panel card ── */
#mps .mps-protocol {
  display: grid; gap: 0.75rem; margin-top: 1.5rem;
  grid-template-columns: repeat(5, 1fr);
}
@media (max-width: 900px) { #mps .mps-protocol { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { #mps .mps-protocol { grid-template-columns: 1fr; } }
#mps .mps-step {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--ah-r-3); padding: 1rem 1rem 1.1rem; position: relative; overflow: hidden;
  transition: border-color var(--ah-dur-3), transform var(--ah-dur-3);
}
#mps .mps-step::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--accent); opacity: 0.7;
}
#mps .mps-step:hover { border-color: var(--accent); transform: translateY(-2px); }
#mps .mps-step-n {
  font-family: var(--font-mono, 'JetBrains Mono', monospace); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; color: var(--accent);
}
#mps .mps-step-name { font-family: var(--font-display); font-size: var(--ah-fs-4); font-weight: 800; color: var(--ink); margin: 0.2rem 0 0.35rem; }
#mps .mps-step-sub { font-size: var(--ah-fs-2); color: var(--ink-2); line-height: 1.5; }
#mps .mps-step[data-hinge="true"]::before { width: 100%; height: 3px; inset: auto 0 0 0; opacity: 0.9; }
#mps .mps-step[data-hinge="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--mp-glow) inset; }
#mps .mps-hinge-tag {
  display: inline-block; margin-top: 0.5rem; font-size: 0.58rem; font-weight: 800; letter-spacing: 0.12em;
  text-transform: uppercase; color: #0A0E1F; background: var(--accent); border-radius: var(--ah-r-pill); padding: 0.15rem 0.5rem;
}

/* ── Selector (subject chips + grade bands) ── */
#mps .mps-select { display: grid; gap: 1rem; }
#mps .mps-chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
#mps .mps-chip-label {
  font-family: var(--font-mono, monospace); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-2); margin-right: 0.35rem; flex: 0 0 100%;
}
#mps .mps-chip {
  display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer;
  padding: 0.5rem 0.9rem; border-radius: var(--ah-r-pill); border: 1.5px solid var(--line);
  background: var(--surface); color: var(--ink); font-weight: 700; font-size: 0.85rem;
  font-family: var(--font-ui, 'Outfit', sans-serif);
  transition: border-color var(--ah-dur-2), background var(--ah-dur-2), transform var(--ah-dur-2);
}
#mps .mps-chip:hover { border-color: var(--accent); transform: translateY(-1px); }
#mps .mps-chip[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-tint); box-shadow: 0 0 0 1px var(--accent) inset; }
#mps .mps-chip--star[aria-pressed="true"] { color: var(--ink); }
#mps .mps-band {
  display: inline-flex; align-items: center; gap: 0.35rem; cursor: pointer;
  padding: 0.4rem 0.75rem; border-radius: var(--ah-r-2); border: 1px solid var(--line);
  background: var(--surface); color: var(--ink-2); font-weight: 700; font-size: 0.78rem;
  transition: all var(--ah-dur-2);
}
#mps .mps-band[aria-pressed="true"] { color: var(--ink); border-color: var(--accent); background: var(--accent-tint); }
#mps .mps-band small { opacity: 0.6; font-weight: 600; }

/* ── Worked-example player ── */
#mps .mps-player { margin-top: 1.5rem; }
#mps .mps-scenario-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
#mps .mps-scenario-tab {
  cursor: pointer; padding: 0.4rem 0.8rem; border-radius: var(--ah-r-2); border: 1px solid var(--line);
  background: var(--surface); color: var(--ink-2); font-weight: 700; font-size: 0.8rem;
  transition: all var(--ah-dur-2);
}
#mps .mps-scenario-tab[aria-pressed="true"] { color: var(--ink); border-color: var(--accent); background: var(--accent-tint); }
#mps .mps-panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--ah-r-4);
  padding: 1.75rem; box-shadow: var(--ah-elev-2, 0 20px 60px -30px rgba(0,0,0,0.6));
  animation: mpFade var(--ah-dur-4) var(--ah-ease-out-expo);
}
@keyframes mpFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
#mps .mps-prompt {
  font-family: var(--font-display); font-size: var(--ah-fs-5); font-weight: 700; color: var(--ink);
  line-height: 1.4; margin: 0 0 0.35rem; padding-bottom: 1rem; border-bottom: 1px dashed var(--line-strong);
}
#mps .mps-prompt-badge {
  display: inline-flex; gap: 0.4rem; align-items: center; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem;
}

/* Step reveal machine */
#mps .mps-steps { margin: 1.25rem 0 0; }
#mps .mps-stepcard {
  display: grid; grid-template-columns: auto 1fr; gap: 0.9rem; align-items: start;
  padding: 0.9rem 0; border-bottom: 1px solid var(--line);
  opacity: 0; transform: translateY(6px); transition: opacity var(--ah-dur-4), transform var(--ah-dur-4);
}
#mps .mps-stepcard.is-shown { opacity: 1; transform: none; }
#mps .mps-stepcard:last-child { border-bottom: 0; }
#mps .mps-stepcard-n {
  width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent-tint); color: var(--accent); border: 1px solid var(--accent);
  font-family: var(--font-mono, monospace); font-weight: 700; font-size: 0.85rem;
}
#mps .mps-stepcard[data-hinge="true"] .mps-stepcard-n { background: var(--accent); color: #0A0E1F; }
#mps .mps-stepcard-body h4 {
  font-family: var(--font-display); font-size: var(--ah-fs-4); font-weight: 800; color: var(--ink); margin: 0 0 0.2rem;
}
#mps .mps-stepcard-body p { color: var(--ink-2); font-size: var(--ah-fs-3); line-height: 1.6; margin: 0; }

/* Predict-the-trap interaction */
#mps .mps-trap-box {
  margin-top: 0.6rem; background: var(--recessed); border: 1px solid var(--line-strong);
  border-radius: var(--ah-r-3); padding: 1rem;
}
#mps .mps-trap-q { font-weight: 700; color: var(--ink); font-size: 0.95rem; margin-bottom: 0.6rem; }
#mps .mps-trap-choices { display: grid; gap: 0.5rem; }
#mps .mps-trap-choice {
  text-align: left; cursor: pointer; padding: 0.6rem 0.8rem; border-radius: var(--ah-r-2);
  border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font-size: 0.9rem; font-weight: 600;
  transition: all var(--ah-dur-2);
}
#mps .mps-trap-choice:hover:not(:disabled) { border-color: var(--accent); }
#mps .mps-trap-choice.is-gut { border-color: #E3654C; background: rgba(227,101,76,0.10); }
#mps .mps-trap-choice.is-truth { border-color: #4FD8B0; background: rgba(79,216,176,0.12); }
#mps .mps-trap-verdict { margin-top: 0.8rem; display: none; }
#mps .mps-trap-verdict.is-shown { display: block; animation: mpFade var(--ah-dur-4) var(--ah-ease-out-expo); }
#mps .mps-verdict-row { display: grid; gap: 0.5rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { #mps .mps-verdict-row { grid-template-columns: 1fr; } }
#mps .mps-verdict-cell { border-radius: var(--ah-r-2); padding: 0.7rem 0.85rem; font-size: 0.85rem; line-height: 1.5; }
#mps .mps-verdict-gut { background: rgba(227,101,76,0.10); border: 1px solid rgba(227,101,76,0.4); color: var(--ink); }
#mps .mps-verdict-truth { background: rgba(79,216,176,0.10); border: 1px solid rgba(79,216,176,0.45); color: var(--ink); }
#mps .mps-verdict-cell strong { display: block; font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.3rem; }
#mps .mps-verdict-gut strong { color: #E3654C; }
#mps .mps-verdict-truth strong { color: #2FBF95; }

/* Explore-further */
#mps .mps-explore {
  margin-top: 1.25rem; padding: 1rem 1.1rem; border-radius: var(--ah-r-3);
  background: var(--accent-tint); border: 1px solid var(--accent);
}
#mps .mps-explore-label { font-size: 0.62rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.3rem; }
#mps .mps-explore p { margin: 0; color: var(--ink); font-size: 0.92rem; line-height: 1.55; }
#mps .mps-explore a { color: var(--accent); font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--accent); }

/* Player controls */
#mps .mps-controls { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem; align-items: center; }
#mps .mps-btn {
  cursor: pointer; padding: 0.7rem 1.2rem; border-radius: var(--ah-r-pill); font-weight: 700;
  font-family: var(--font-display); font-size: 0.9rem; border: 1px solid var(--accent);
  background: var(--accent); color: #0A0E1F; transition: transform var(--ah-dur-2) var(--ah-ease-spring), background var(--ah-dur-2);
}
#mps .mps-btn:hover { transform: translateY(-2px); background: var(--accent-bright); }
#mps .mps-btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
#mps .mps-btn--ghost:hover { background: var(--surface); border-color: var(--accent); }
#mps .mps-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
#mps .mps-progress-dots { display: inline-flex; gap: 0.3rem; margin-left: auto; }
#mps .mps-progress-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); transition: background var(--ah-dur-2); }
#mps .mps-progress-dots i.on { background: var(--accent); }

/* ── Graded quiz ── */
#mps .mps-quiz-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--ah-r-4); padding: 1.75rem;
}
#mps .mps-quiz-stem { font-family: var(--font-display); font-size: var(--ah-fs-5); font-weight: 700; color: var(--ink); line-height: 1.4; margin-bottom: 1rem; }
#mps .mps-quiz-choices { display: grid; gap: 0.55rem; }
#mps .mps-quiz-choice {
  text-align: left; cursor: pointer; padding: 0.7rem 0.9rem; border-radius: var(--ah-r-2);
  border: 1.5px solid var(--line); background: var(--recessed); color: var(--ink); font-weight: 600; font-size: 0.92rem;
  transition: all var(--ah-dur-2);
}
#mps .mps-quiz-choice:hover:not(:disabled) { border-color: var(--accent); transform: translateX(2px); }
#mps .mps-quiz-choice.correct { border-color: #4FD8B0; background: rgba(79,216,176,0.14); }
#mps .mps-quiz-choice.wrong { border-color: #E3654C; background: rgba(227,101,76,0.12); }
#mps .mps-quiz-why { margin-top: 0.85rem; font-size: 0.88rem; color: var(--ink-2); line-height: 1.55; display: none; }
#mps .mps-quiz-why.is-shown { display: block; }
#mps .mps-quiz-meta { display: flex; gap: 1rem; align-items: center; margin-bottom: 1rem; font-size: 0.8rem; color: var(--ink-2); font-family: var(--font-mono, monospace); }
#mps .mps-quiz-score { color: var(--accent); font-weight: 700; }

/* Login-required notice (mirrors the practice gym) */
#mps .mps-login {
  background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--ah-r-4);
  padding: 2rem 1.5rem; text-align: center;
}
#mps .mps-login h3 { font-family: var(--font-display); color: var(--ink); font-size: var(--ah-fs-5); margin: 0 0 0.4rem; }
#mps .mps-login p { color: var(--ink-2); font-size: 0.92rem; margin: 0 auto 1rem; max-width: 44ch; }

/* Progress badge */
#mps .mps-badge {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem;
  border-radius: var(--ah-r-pill); background: var(--accent-tint); border: 1px solid var(--accent);
  color: var(--ink); font-weight: 700; font-size: 0.85rem;
}
#mps .mps-badge b { color: var(--accent); font-family: var(--font-mono, monospace); }

/* =======================  COMPACT EMBED PANEL  ======================= */
/* Injected on module + foundations pages by mental-picture.js */
.mp-embed {
  margin: 2.5rem 0; padding: 1.4rem 1.5rem; border-radius: var(--ah-r-4);
  background: var(--surface); border: 1px solid var(--line); position: relative; overflow: hidden;
  font-family: var(--font-ui, 'Outfit', system-ui, sans-serif);
}
.mp-embed::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--accent); opacity: 0.85; }
.mp-embed-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.mp-embed-icon { font-size: 1.4rem; line-height: 1; }
.mp-embed-eyebrow { font-family: var(--font-mono, monospace); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.mp-embed-title { font-family: var(--font-display); font-size: var(--ah-fs-5); font-weight: 800; color: var(--ink); margin: 0.1rem 0 0.5rem; }
.mp-embed-trap {
  display: grid; gap: 0.5rem; grid-template-columns: 1fr 1fr; margin: 0.75rem 0;
}
@media (max-width: 640px) { .mp-embed-trap { grid-template-columns: 1fr; } }
.mp-embed-cell { border-radius: var(--ah-r-2); padding: 0.65rem 0.8rem; font-size: 0.85rem; line-height: 1.5; color: var(--ink); }
.mp-embed-gut { background: rgba(227,101,76,0.10); border: 1px solid rgba(227,101,76,0.4); }
.mp-embed-truth { background: rgba(79,216,176,0.10); border: 1px solid rgba(79,216,176,0.45); }
.mp-embed-cell strong { display: block; font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.25rem; }
.mp-embed-gut strong { color: #E3654C; }
.mp-embed-truth strong { color: #2FBF95; }
.mp-embed-steps { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0.5rem 0 0.85rem; }
.mp-embed-steps span {
  font-size: 0.66rem; font-weight: 700; color: var(--ink-2); background: var(--recessed);
  border: 1px solid var(--line); border-radius: var(--ah-r-pill); padding: 0.2rem 0.6rem;
}
.mp-embed-steps span b { color: var(--accent); }
.mp-embed-cta {
  display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.6rem 1.1rem; border-radius: var(--ah-r-pill);
  background: var(--accent); color: #0A0E1F; border: 1px solid var(--accent); font-family: var(--font-display);
  font-weight: 700; font-size: 0.85rem; text-decoration: none;
  transition: transform var(--ah-dur-2) var(--ah-ease-spring), background var(--ah-dur-2);
}
.mp-embed-cta:hover { transform: translateY(-2px); background: var(--accent-bright); }

/* Inline author slot (data-mp-trap) — lighter callout */
.mp-slot { margin: 1.25rem 0; }

/* =======================  INSIGHT-SPARK  ======================= */
/* Code-drawn SVG/canvas spark; a future video can swap in via config. */
.mp-spark-layer { position: fixed; inset: 0; pointer-events: none; z-index: 9998; overflow: hidden; }
.mp-spark {
  position: absolute; width: 0; height: 0;
}
.mp-spark i {
  position: absolute; left: 0; top: 0; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent, #8B87F4); box-shadow: 0 0 8px 1px var(--accent, #8B87F4);
  opacity: 0; will-change: transform, opacity;
}
@keyframes mpSparkFly { 0% { opacity: 1; transform: translate(0,0) scale(1); } 100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.3); } }
.mp-spark.go i { animation: mpSparkFly var(--mp-spark-dur, 620ms) cubic-bezier(0.16,1,0.3,1) forwards; }
.mp-spark-core {
  position: absolute; left: 0; top: 0; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent,#8B87F4) 0%, transparent 70%); opacity: 0; transform: scale(0.4);
}
.mp-spark.go .mp-spark-core { animation: mpSparkCore 520ms ease-out forwards; }
@keyframes mpSparkCore { 0% { opacity: 0.9; transform: scale(0.4); } 100% { opacity: 0; transform: scale(2.2); } }
/* Reduced-motion → static glyph, no particle flight */
@media (prefers-reduced-motion: reduce) {
  .mp-spark.go i { animation: none; opacity: 0; }
  .mp-spark.go .mp-spark-core { animation: none; opacity: 0; }
}

/* =======================  COACH-MARK (corner nudge)  ======================= */
.mp-coach {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 9990; max-width: 300px;
  background: var(--surface); border: 1px solid var(--accent); border-radius: var(--ah-r-3);
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6), 0 0 0 1px var(--mp-glow, rgba(139,135,244,0.4));
  padding: 0.9rem 1rem 0.95rem; font-family: var(--font-ui, 'Outfit', sans-serif);
  transform: translateY(140%); opacity: 0; transition: transform var(--ah-dur-5) var(--ah-ease-out-expo), opacity var(--ah-dur-4);
}
.mp-coach.is-in { transform: none; opacity: 1; }
.mp-coach-head { display: flex; align-items: center; gap: 0.45rem; margin-bottom: 0.35rem; }
.mp-coach-icon { font-size: 1.2rem; }
.mp-coach-title { font-family: var(--font-display); font-weight: 800; color: var(--ink); font-size: 0.95rem; }
.mp-coach-body { color: var(--ink-2); font-size: 0.82rem; line-height: 1.5; margin: 0 0 0.7rem; }
.mp-coach-actions { display: flex; gap: 0.5rem; align-items: center; }
.mp-coach-cta {
  padding: 0.4rem 0.85rem; border-radius: var(--ah-r-pill); background: var(--accent); color: #0A0E1F;
  border: 1px solid var(--accent); font-weight: 700; font-size: 0.8rem; text-decoration: none;
}
.mp-coach-dismiss {
  background: transparent; border: 0; color: var(--ink-2); cursor: pointer; font-size: 0.8rem; font-weight: 600;
  padding: 0.4rem 0.5rem;
}
.mp-coach-dismiss:hover { color: var(--ink); }
@media (max-width: 560px) { .mp-coach { left: 1rem; right: 1rem; max-width: none; } }
@media (prefers-reduced-motion: reduce) { .mp-coach { transition: opacity var(--ah-dur-3); transform: none; } }

/* Respect a global "reduce sparks" preference set on <html> */
html[data-mp-quiet] .mp-spark.go i, html[data-mp-quiet] .mp-spark.go .mp-spark-core { animation: none; opacity: 0; }
html[data-mp-quiet] .mp-coach { display: none; }