/* fcc-paths — Field Bulletin curated-journey layer.
 *
 * Per-site accent: curriculum indigo — the same #818cf8 used as the
 * Information-Travels path color, the natural "guided journey" hue
 * threading museum exhibits. Distinct from cipher phosphor-green
 * (#7dd3a4) and numbering ribbon-indigo (#818cf8 itself, deliberately
 * shared — the paths hub IS the index of journeys).
 */

/* !important required because /shared/fcc-theme-boot.js writes --accent
   as inline-style on <html>, beating stylesheet specificity. */
:root, html[data-mode="dark"] {
  --accent:      #818cf8 !important;
  --accent-2:    #a5b4fc !important;
  --accent-wash: color-mix(in srgb, #818cf8 12%, transparent) !important;
  --accent-ink:  #0a0b0d !important;
}
html[data-mode="light"] {
  --accent:      #4338ca !important;
  --accent-2:    #6366f1 !important;
  --accent-wash: color-mix(in srgb, #4338ca 8%, transparent) !important;
  --accent-ink:  #ffffff !important;
}

/* ── Masthead — Intro stat strip (matches /museum/) ────────── */
.masthead-stats {
  margin: 1.1rem 0 0;
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.4rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-feature-settings: "tnum" 1, "zero" 1;
  color: var(--ink-2, var(--dim));
  letter-spacing: 0.04em;
}
.masthead-stat-num {
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0;
  margin-right: 0.25rem;
}
.masthead-stat-sep {
  color: var(--rule-strong, var(--border));
}

.intro-loading {
  margin: 1rem 0 0;
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-3, var(--dim));
  text-transform: uppercase;
}

/* ── Paths section header (whisker pattern) ────────────────── */
.paths-section { padding: 0 0 2rem; }
.paths-section-header {
  margin-bottom: 1.5rem;
  padding-left: 12px;
  border-left: 56px solid transparent;
  background:
    linear-gradient(var(--signal, var(--accent)), var(--signal, var(--accent))) left top / 56px 4px no-repeat;
  padding-top: 0.65rem;
}
.paths-section-header .eyebrow { margin-bottom: 0.5rem; }
.paths-section-header .section-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.75rem);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 0.4rem;
  line-height: 1.15;
}
.paths-section-header .section-desc {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.94rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.55;
  max-width: 60ch;
  margin: 0;
}

/* ── HUB VIEW — Path cards (Field Bulletin plates) ─────────── */
.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0;
}
.path-card {
  display: block;
  background: var(--panel-2, var(--panel));
  border: 0;
  border-top: 3px solid var(--path-color, var(--accent));
  border-radius: 0;
  padding: 1.1rem 1.2rem 1.2rem;
  cursor: pointer;
  transition:
    border-top-color var(--dur-1) var(--ease-in-out),
    transform var(--dur-2) var(--ease-out),
    background var(--dur-1) var(--ease-in-out);
}
.path-card:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--path-color, var(--accent)) 4%, var(--panel-2, var(--panel)));
}
.path-card:focus-visible {
  outline: 2px solid var(--path-color, var(--accent));
  outline-offset: -2px;
}

.path-card-header {
  display: flex; gap: 0.85rem; align-items: flex-start;
  margin-bottom: 0.75rem;
}
.path-card-badge { flex-shrink: 0; }
.path-card-info { flex: 1; min-width: 0; }
.path-card-title {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.25rem;
  line-height: 1.2;
}
.path-card-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.5;
}
.path-card-stats {
  font: 500 0.72rem/1.3 var(--mono);
  letter-spacing: 0.04em;
  color: var(--path-color, var(--accent));
  font-feature-settings: "tnum" 1;
  margin: 0 0 0.6rem;
}

.progress-bar {
  height: 3px;
  background: var(--rule-2, var(--border));
  border-radius: 0;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--path-color, var(--accent));
  border-radius: 0;
  transition: width 0.4s var(--ease-out);
}

.paths-footer {
  text-align: center;
  padding: 1.5rem 0 2.5rem;
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-3, var(--dim));
}
.paths-footer a { color: var(--accent); }
.paths-footer a:hover { color: var(--accent-2, var(--accent)); text-decoration: underline; text-underline-offset: 3px; }

/* ── DETAIL VIEW — Header + journey timeline ───────────────── */
.detail-nav {
  padding: 1.5rem 0 0.85rem;
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.04em;
}
.detail-nav a {
  color: var(--ink-3, var(--dim));
  transition: color var(--dur-1) var(--ease-in-out);
}
.detail-nav a:hover { color: var(--accent); }

.detail-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: flex-start;
  padding: 1rem 0 2rem;
  padding-left: 12px;
  border-left: 56px solid transparent;
  background:
    linear-gradient(var(--path-color, var(--signal, var(--accent))), var(--path-color, var(--signal, var(--accent)))) left top / 56px 4px no-repeat;
  margin-bottom: 1.5rem;
}
.detail-header-info { min-width: 0; }
.detail-header-info .eyebrow {
  color: var(--path-color, var(--accent));
  margin-bottom: 0.45rem;
}
.detail-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  letter-spacing: -0.015em;
  color: var(--text);
  line-height: 1.1;
  margin: 0 0 0.7rem;
}
.detail-desc {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.6;
  max-width: 62ch;
  margin: 0 0 0.85rem;
}
.detail-progress-text {
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.04em;
  color: var(--path-color, var(--accent));
  font-feature-settings: "tnum" 1;
  margin: 0;
}
.detail-header-ring { flex-shrink: 0; }

.progress-ring-bg {
  fill: none;
  stroke: var(--rule-2, var(--border));
  stroke-width: 6;
}
.progress-ring-fill {
  fill: none;
  stroke: var(--path-color, var(--accent));
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s var(--ease-out);
}
.progress-ring-text {
  font-family: var(--mono);
  font-size: 14px;
  fill: var(--text);
  font-weight: 600;
  font-feature-settings: "tnum" 1;
}

/* ── Journey section header ────────────────────────────────── */
.journey-section { padding-bottom: 1.5rem; }
.journey-header {
  margin: 0 0 1.25rem;
  padding-left: 12px;
}
.journey-header .eyebrow { margin-bottom: 0.5rem; }
.journey-header .section-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.25rem, 2.1vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
  line-height: 1.15;
}

/* ── Journey timeline ──────────────────────────────────────── */
.journey { padding: 0; }

.step {
  display: flex; gap: 1rem;
  padding: 0.85rem 0;
  position: relative;
}

.step-line {
  position: absolute;
  left: 15px; top: 0; bottom: 0;
  width: 2px;
  background: var(--rule-2, var(--border));
}
.step:first-child .step-line { top: 50%; }
.step:last-child .step-line { bottom: 50%; }

.step-marker {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  border: 2px solid var(--rule-2, var(--border));
  border-radius: 50%;
  z-index: 1;
  font-size: 0.9rem;
  position: relative;
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
}

.step--completed .step-marker {
  border-color: #7dd3a4;
  color: #7dd3a4;
  background: var(--bg);
}
.step--visited .step-marker {
  border-color: var(--path-color, var(--accent));
  color: var(--path-color, var(--accent));
}
.step--current .step-marker {
  border-color: var(--path-color, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--path-color, var(--accent)) 25%, transparent);
}
.step--future .step-marker {
  border-color: var(--line, var(--border));
  color: var(--ink-3, var(--dim));
  opacity: 0.55;
}

.step-icon { font-size: 0.85rem; line-height: 1; }

.step-body {
  flex: 1; min-width: 0;
  padding-top: 0.25rem;
}
.step-header {
  display: flex; align-items: center;
  gap: 0.5rem; flex-wrap: wrap;
}
.step-number {
  font: 500 0.66rem/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-feature-settings: "tnum" 1;
}
.step-number::before { content: "Stop "; }
.step-title {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--dur-1) var(--ease-in-out);
}
a.step-title:hover { color: var(--path-color, var(--accent)); }
.step-title.dim {
  color: var(--ink-3, var(--dim));
  font-weight: 400;
  font-style: italic;
}

.step-current-tag {
  font: 500 0.68rem var(--mono);
  letter-spacing: 0.06em;
  color: var(--path-color, var(--accent));
  background: color-mix(in srgb, var(--path-color, var(--accent)) 12%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: 0;
  border-top: 1px solid var(--path-color, var(--accent));
  text-transform: uppercase;
}

.step-actions {
  display: flex; align-items: center;
  gap: 0.6rem; flex-wrap: wrap;
  margin-top: 0.55rem;
}

.btn-visit {
  font: 500 0.74rem/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--ink-3, var(--dim));
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--r-1, 0);
  background: transparent;
  transition:
    color var(--dur-1) var(--ease-in-out),
    border-color var(--dur-1) var(--ease-in-out);
}
.btn-visit:hover {
  color: var(--path-color, var(--accent));
  border-color: var(--path-color, var(--accent));
}

.btn-quiz {
  font: 500 0.74rem/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--accent-ink, #0a0b0d);
  background: var(--path-color, var(--accent));
  border: 0;
  padding: 0.5rem 0.95rem;
  border-radius: var(--r-1, 0);
  cursor: pointer;
  transition: opacity var(--dur-1) var(--ease-in-out);
}
.btn-quiz:hover { opacity: 0.85; }

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font: 500 0.74rem var(--mono);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
  letter-spacing: 0.04em;
}
.btn-link:hover { color: var(--text); }

.step-quiz-info {
  font: 500 0.74rem var(--mono);
  letter-spacing: 0.04em;
  color: var(--ink-3, var(--dim));
  font-feature-settings: "tnum" 1;
}
.step-quiz-info.dim { color: var(--ink-3, var(--dim)); opacity: 0.7; }
.quiz-score { color: #7dd3a4; font-weight: 600; }

.step-connective {
  padding: 0.6rem 0 0.3rem 3rem;
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink-2, var(--dim));
  font-style: italic;
  line-height: 1.6;
  max-width: 60ch;
}

/* ── Badge section ─────────────────────────────────────────── */
.detail-badge {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
  display: flex; flex-direction: column; align-items: center;
  gap: 0.85rem;
}
.detail-badge .eyebrow { margin-bottom: 0; }
.detail-badge-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}
.badge-svg { display: block; }
.badge-ring {
  fill: none;
  stroke: var(--badge-color, var(--accent));
  stroke-width: 2;
}
.badge-fill { fill: var(--panel-2, var(--panel)); }
.badge-icon { color: var(--badge-color, var(--accent)); }
.badge-label {
  font: 500 0.7rem var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-2, var(--dim));
  text-align: center;
  text-transform: uppercase;
}

.badge--locked {
  opacity: 0.4;
  filter: grayscale(1);
}
.badge--locked .badge-ring { stroke-dasharray: 4 4; }

.badge--earned { opacity: 1; filter: none; }
.badge--earned .badge-ring {
  filter: drop-shadow(0 0 8px var(--badge-color));
}
.badge--earned .badge-label {
  color: var(--text);
  font-weight: 600;
}

.confetti {
  position: relative;
  height: 36px;
  pointer-events: none;
}
.confetti::before,
.confetti::after {
  content: "★";
  position: absolute;
  top: -12px;
  font-size: 1.2rem;
  color: var(--badge-color, var(--accent));
  animation: confetti-bounce 1.2s var(--ease-out);
}
.confetti::before { left: calc(50% - 36px); }
.confetti::after { right: calc(50% - 36px); animation-delay: 0.15s; }

@keyframes confetti-bounce {
  0% { opacity: 0; transform: translateY(16px) scale(0.5); }
  40% { opacity: 1; transform: translateY(-10px) scale(1.1); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Quiz modal (Field Bulletin plate, square corners) ─────── */
body.quiz-open { overflow: hidden; }

.quiz-overlay {
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(6, 7, 9, 0.82);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.quiz-panel {
  background: var(--panel-2, var(--panel));
  border: 0;
  border-top: 3px solid var(--accent);
  border-radius: 0;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.quiz-header {
  display: flex; align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.25rem 0.85rem;
  border-bottom: 1px solid var(--border);
}
.quiz-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--text);
  flex: 1;
  margin: 0;
  letter-spacing: -0.01em;
}
.quiz-counter {
  font: 500 0.74rem var(--mono);
  letter-spacing: 0.06em;
  color: var(--ink-3, var(--dim));
  font-feature-settings: "tnum" 1;
}
.quiz-close {
  background: none;
  border: none;
  color: var(--ink-3, var(--dim));
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--dur-1) var(--ease-in-out);
}
.quiz-close:hover { color: var(--text); }

.quiz-body { padding: 1.25rem; }
.quiz-question {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 1.25rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

.quiz-options {
  display: flex; flex-direction: column;
  gap: 0;
}
.quiz-option {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--bg);
  border: 0;
  border-top: 1px solid var(--border);
  color: var(--text);
  padding: 0.95rem 1.1rem;
  border-radius: 0;
  font-family: var(--sans);
  font-size: 0.94rem;
  cursor: pointer;
  transition:
    border-top-color var(--dur-1) var(--ease-in-out),
    background var(--dur-1) var(--ease-in-out);
  line-height: 1.45;
}
.quiz-options .quiz-option:last-child {
  border-bottom: 1px solid var(--border);
}
.quiz-option:hover:not(:disabled) {
  border-top-color: var(--accent);
  background: var(--panel-2, var(--panel));
}
.quiz-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.quiz-option--correct {
  border-top-color: #7dd3a4 !important;
  background: color-mix(in srgb, #7dd3a4 10%, var(--panel-2, var(--panel))) !important;
}
.quiz-option--wrong {
  border-top-color: #fb7185 !important;
  background: color-mix(in srgb, #fb7185 10%, var(--panel-2, var(--panel))) !important;
}

.quiz-feedback { margin-top: 1rem; }
.quiz-fb-correct {
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.06em;
  color: #7dd3a4;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.quiz-fb-wrong {
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.06em;
  color: #fb7185;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.quiz-fb-explain {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.6;
  margin: 0;
}

.quiz-footer {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}
.quiz-next, .quiz-done {
  background: var(--accent);
  color: var(--accent-ink, #0a0b0d);
  border: 0;
  padding: 0.55rem 1.2rem;
  border-radius: var(--r-1, 0);
  font: 500 0.8rem var(--mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity var(--dur-1) var(--ease-in-out);
}
.quiz-next:hover, .quiz-done:hover { opacity: 0.85; }

.results-body {
  text-align: center;
  padding: 2rem 1rem;
}
.results-score {
  font: 500 2.6rem/1 var(--mono);
  color: var(--accent);
  margin: 0 0 0.85rem;
  font-feature-settings: "tnum" 1, "zero" 1;
  letter-spacing: -0.02em;
}
.results-message {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.55;
  margin: 0;
  max-width: 40ch;
  margin-inline: auto;
}

.hidden { display: none !important; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 720px) {
  .paths-grid { grid-template-columns: 1fr; }
  .paths-section-header,
  .detail-header { border-left-width: 40px; background-size: 40px 4px; }
  .detail-header { grid-template-columns: 1fr; gap: 1rem; }
  .detail-header-ring { justify-self: center; }
  .step-connective { padding-left: 2.5rem; }
  .masthead-stats { font-size: 0.72rem; gap: 0.3rem 0.55rem; }
}

/* ── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .path-card, .progress-bar-fill, .progress-ring-fill { transition: none; }
  .path-card:hover { transform: none; }
  .confetti::before, .confetti::after { animation: none; }
}
