/* Shared visual foundation, derived from the YourBible app theme and type scale. */
:root {
  color-scheme: light;
  --background: #fff;
  --surface: #fff;
  --surface-secondary: #f2f2f7;
  --surface-elevated: #fff;
  --canvas: #f2f2f7;
  --text: #000;
  --text-secondary: #3c3c43;
  --primary: #007aff;
  /* Original brand hues remain available for icons; text and fills use AA pairings. */
  --link: #005bc4;
  --action: #0062cc;
  --on-action: #fff;
  --warning-ink: #9a5700;
  --secondary: #5856d6;
  --border: #c6c6c8;
  --success: #34c759;
  --warning: #ff9500;
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  font: 16px/1.5 var(--font-family);
  color: var(--text);
  background: var(--background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
button, input, textarea, select { font: inherit; }
button, summary { cursor: pointer; }
button:disabled { cursor: default; }
a { color: var(--link); text-underline-offset: 3px; }
button, a, summary, input, textarea, select { -webkit-tap-highlight-color: transparent; }
:is(button, a, textarea, input, select, summary):focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
::selection { background: color-mix(in srgb, var(--primary) 20%, transparent); }
svg { flex-shrink: 0; vertical-align: middle; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 20px; border: 1px solid transparent; border-radius: 12px; font-size: 16px; font-weight: 600; text-decoration: none; }
.primary { background: var(--action); color: var(--on-action); }
.secondary { background: var(--surface-secondary); color: var(--link); border-color: var(--border); }
.button:disabled { background: var(--surface-secondary); color: var(--text-secondary); }
.button:not(:disabled):hover { filter: brightness(.96); }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 10; padding: 12px 16px; border-radius: 12px; background: var(--surface); }
.skip-link:focus { top: 12px; }
.app-toolbar { background: var(--surface); border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent); }
.app-toolbar-inner { max-width: 1120px; margin: auto; min-height: 76px; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.app-wordmark { color: var(--text); font-size: 23px; font-weight: 700; letter-spacing: -.8px; text-decoration: none; white-space: nowrap; }
.app-toolbar nav { display: flex; align-items: center; gap: 4px; }
.app-toolbar nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; color: var(--text-secondary); font-size: 14px; font-weight: 600; text-decoration: none; }
.app-toolbar nav a[aria-current] { color: var(--link); background: color-mix(in srgb, var(--primary) 9%, transparent); }
.study-workspace { display: grid; grid-template-columns: 240px minmax(0, 760px); align-items: start; justify-content: center; gap: 32px; max-width: 1120px; margin: 32px auto; padding: 0 24px; }
.course-rail { position: sticky; top: 24px; max-height: calc(100dvh - 48px); overflow-y: auto; padding: 4px 8px 16px 0; }
.rail-label { margin: 0 0 8px; color: var(--link); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.course-rail h2 { font-size: 22px; line-height: 1.25; letter-spacing: -.5px; margin: 0 0 10px; }
.rail-description { margin: 0 0 20px; color: var(--text-secondary); font-size: 14px; }
.course-days { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.course-days li { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; border-radius: 14px; padding: 6px 8px; }
.course-days .current-day { background: var(--surface); box-shadow: 0 2px 8px #00000004; }
.rail-lesson { display: flex; align-items: center; gap: 10px; min-width: 0; min-height: 56px; color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600; }
.rail-number { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; color: var(--text-secondary); font-size: 12px; background: color-mix(in srgb, var(--border) 20%, transparent); }
.current-day .rail-number { color: var(--link); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.rail-lesson small { display: block; color: var(--text-secondary); font-size: 11px; font-weight: 400; }
.rail-devotional { display: inline-flex; align-items: center; min-height: 44px; padding: 4px; color: var(--text-secondary); font-size: 11px; text-decoration: none; }
.course-days a[aria-current] { color: var(--link); }
.rail-note { color: var(--text-secondary); margin: 20px 8px 0; font-size: 12px; line-height: 1.5; }
.lesson-page, .devotional-page { background: var(--canvas); color: var(--text); font-family: var(--font-family); }
.lesson-page .lesson-shell { min-width: 0; padding: 0; }
.lesson-page .player { height: auto; display: flex; flex-direction: column; overflow: hidden; background: var(--surface); border: 1px solid color-mix(in srgb, var(--border) 55%, transparent); border-radius: 20px; box-shadow: 0 8px 32px #00000004; }
.lesson-page .lesson-header { display: flex; align-items: center; gap: 8px; padding: 18px 20px; }
.lesson-page .lesson-header-center { flex: 1; min-width: 0; text-align: center; }
.lesson-page h1 { font: 600 16px/1.4 var(--font-family); letter-spacing: -.2px; margin: 0 0 4px; }
.lesson-page #step-counter { color: var(--text-secondary); font-size: 12px; font-variant-numeric: tabular-nums; }
.lesson-page .lesson-back, .lesson-page .lesson-exit { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; flex: 0 0 44px; color: var(--primary); background: none; border: 0; border-radius: 12px; text-decoration: none; }
.lesson-page .lesson-back:disabled { opacity: .4; }
.lesson-page progress { width: 100%; display: block; height: 4px; flex: 0 0 4px; border: 0; overflow: hidden; background: var(--surface-secondary); accent-color: var(--primary); }
.lesson-page progress::-webkit-progress-bar { background: var(--surface-secondary); }
.lesson-page progress::-webkit-progress-value { background: var(--primary); }
.lesson-page progress::-moz-progress-bar { background: var(--primary); }
.lesson-page .step-content { padding: 28px 32px 12px; min-height: 0; overflow-y: auto; overflow-wrap: anywhere; }
.lesson-page #step-content { max-width: 64ch; margin: auto; }
.lesson-page .stage-badge { display: block; width: fit-content; padding: 5px 10px; border-radius: 8px; background: color-mix(in srgb, var(--primary) 8%, transparent); color: var(--link); margin-bottom: 20px; font-size: 12px; font-weight: 600; }
.lesson-page .step-prompt, .lesson-page .intro-prompt { font: 400 16px/1.5 var(--font-family); color: var(--text); margin: 0 0 24px; }
.prose { white-space: normal; }
.prose p { margin: 0 0 8px; line-height: 1.5; white-space: pre-wrap; }
.prose p:last-child { margin-bottom: 0; }
.lesson-page .scripture, .lesson-page .preview-card, .lesson-page .selah-panel { margin: 0 0 20px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.lesson-page .scripture { display: flex; gap: 12px; background: color-mix(in srgb, var(--primary) 3%, var(--surface)); }
.lesson-page .quote-mark { color: var(--primary); }
.lesson-page .scripture p, .lesson-page .selah-scripture p { margin: 0; font: italic 16px/1.6 var(--font-family); white-space: pre-wrap; }
.lesson-page .preview-card .step-prompt { margin: 0; }
.lesson-page .question-hint { font-size: 14px; color: var(--text-secondary); margin: 0 0 16px; }
.lesson-page .options { display: grid; gap: 12px; margin: 0 0 20px; }
.lesson-page .option { display: flex; align-items: center; width: 100%; text-align: left; padding: 16px; min-height: 52px; border: 2px solid var(--border); border-radius: 12px; color: var(--text); background: var(--surface); font-size: 16px; line-height: 1.5; }
.lesson-page .option-letter { display: none; }
.lesson-page .option:not(:disabled):hover { border-color: var(--primary); background: var(--surface-secondary); }
.lesson-page .option.correct { border-color: var(--success); background: color-mix(in srgb, var(--success) 6%, var(--surface)); }
.lesson-page .option.incorrect { border-color: var(--warning); background: color-mix(in srgb, var(--warning) 6%, var(--surface)); }
.lesson-page .answer-status { display: block; font-size: 12px; margin-bottom: 4px; color: var(--text-secondary); }
.lesson-page .option.selected .answer-status { font-weight: 600; color: var(--text); }
.lesson-page .feedback { padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.lesson-page .feedback h3 { display: flex; align-items: center; gap: 8px; color: var(--link); font-size: 14px; margin: 0 0 12px; }
.lesson-page .feedback p { color: var(--text); font-size: 16px; line-height: 1.5; }
.lesson-page .feedback .follow-up { margin-top: 16px; padding-top: 16px; color: var(--text-secondary); font-size: 14px; border-top: 1px solid var(--border); }
.lesson-page .selah-header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.lesson-page .selah-symbol { display: inline-flex; color: var(--warning-ink); }
.lesson-page .selah-panel h2 { flex: 1; margin: 0; font-size: 14px; letter-spacing: .7px; color: var(--warning-ink); }
.lesson-page .selah-info-button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: none; color: var(--warning-ink); }
.lesson-page .selah-scripture { margin: 0 0 12px; }
.lesson-page .selah-comment { padding-top: 12px; margin: 0; border-top: 1px solid var(--border); font-size: 14px; line-height: 1.5; color: var(--text-secondary); white-space: pre-wrap; }
.lesson-page .reflection-label { display: block; margin: 24px 0 8px; font-size: 14px; font-weight: 600; }
.lesson-page textarea { display: block; width: 100%; resize: vertical; min-height: 112px; padding: 16px; font: 16px/1.5 var(--font-family); border: 1px solid var(--border); border-radius: 12px; background: var(--surface-secondary); color: var(--text); }
textarea::placeholder { color: var(--text-secondary); opacity: .8; }
.lesson-page .reflection-counter { text-align: right; margin-top: 6px; }
.lesson-page .reflection-counter, .lesson-page .reflection-note, .lesson-page .completion-note { font-size: 12px; color: var(--text-secondary); }
.lesson-page .summary-heading { font: 600 20px/1.4 var(--font-family); margin: 0 0 20px; }
.lesson-page .summary-stack { display: grid; gap: 16px; }
.lesson-page .key-learning, .lesson-page .one-sentence { padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--primary) 6%, var(--surface)); }
.lesson-page .eyebrow { font-size: 14px; font-weight: 600; text-transform: uppercase; color: var(--link); margin: 0 0 12px; }
.lesson-page .key-learning p:last-child, .lesson-page .one-sentence blockquote { font: 400 16px/1.5 var(--font-family); margin: 0; }
.lesson-page .one-sentence { background: color-mix(in srgb, var(--success) 6%, var(--surface)); }
.lesson-page .one-sentence .eyebrow { color: var(--text); }
.lesson-page .one-sentence blockquote { font-style: italic; }
.lesson-page .life-changes { display: grid; grid-template-columns: 1fr; gap: 12px; }
.lesson-page .life-change { display: grid; grid-template-columns: 24px 1fr; gap: 0 8px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.lesson-page .life-change .change-icon { color: var(--primary); }
.lesson-page .life-change h3 { font-size: 14px; line-height: 24px; margin: 0 0 8px; color: var(--link); }
.lesson-page .life-change.reframe h3, .lesson-page .reframe .change-icon { color: var(--warning-ink); }
.lesson-page .life-change.do h3, .lesson-page .do .change-icon { color: var(--text); }
.lesson-page .life-change p { grid-column: 1 / -1; font-size: 16px; line-height: 1.5; margin: 0; }
.lesson-page .navigation { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 20px 32px; border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent); background: var(--surface); }
.lesson-page .navigation-hint { font-size: 12px; color: var(--text-secondary); flex: 1; }
.lesson-page .navigation .primary { min-width: 180px; }
.lesson-page .below-player { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 6px 4px; font-size: 12px; }
.lesson-page .below-player a, .lesson-page .text-button { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-secondary); font-size: 12px; background: none; border: 0; padding: 0; }
.lesson-page .lesson-about { margin-top: 24px; color: var(--text-secondary); font-size: 12px; }
.lesson-page .lesson-about summary { display: flex; align-items: center; min-height: 44px; }
.lesson-page .metadata { display: flex; flex-wrap: wrap; gap: 12px; }
.lesson-page .completion { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; }
.lesson-page .completion-heading { text-align: center; margin-bottom: 28px; }
.lesson-page .completion h2 { font-size: 24px; line-height: 1.3; }
.lesson-page .completion-icon { display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto 20px; border-radius: 16px; background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); }
.lesson-page .completion-intro { font-size: 16px; color: var(--text-secondary); }
.lesson-page .reflection-saved, .lesson-page .community-card { margin: 20px 0; padding: 16px; background: var(--surface-secondary); border-radius: 12px; overflow-wrap: anywhere; }
.lesson-page .community-card { display: flex; gap: 12px; }
.lesson-page .reflection-saved h3, .lesson-page .community-card h3 { font-size: 16px; margin: 0 0 8px; }
.lesson-page .reflection-saved p, .lesson-page .community-card p { font: 16px/1.5 var(--font-family); margin: 0; white-space: pre-wrap; }
.lesson-page .community-icon { color: var(--primary); }
.lesson-page .notice { padding: 16px; border: 1px solid var(--border); border-radius: 12px; }
.lesson-page dialog { width: calc(100% - 40px); max-width: 440px; max-height: calc(100dvh - 40px); overflow-y: auto; padding: 24px; border: 0; border-radius: 20px; background: var(--surface); color: var(--text); box-shadow: 0 24px 80px #0003; }
.lesson-page dialog h2 { font-size: 20px; line-height: 1.4; margin-top: 0; }
.lesson-page dialog::backdrop { background: #0006; backdrop-filter: blur(4px); }
.lesson-page :is(.step-prompt, .summary-heading, .selah-panel h2, #completion-title):focus { outline: none; }
.lesson-page .feedback:focus { outline: 2px solid var(--primary); outline-offset: 3px; }
@media (max-width: 1000px) {
  .study-workspace { grid-template-columns: 200px minmax(0, 1fr); gap: 24px; }
  .lesson-page .step-content { padding: 24px 24px 12px; }
  .lesson-page .navigation { padding: 20px 24px; }
}
@media (max-width: 700px) {
  .app-toolbar-inner { min-height: 60px; padding: 8px 20px; }
  .app-wordmark { font-size: 21px; }
  .app-toolbar nav a { padding: 10px 12px; font-size: 13px; }
  .study-workspace { display: block; padding: 0; margin: 0; }
  .course-rail { display: none; }
  .lesson-page { background: var(--background); }
  .lesson-page .player { height: calc(100dvh - 108px); min-height: 320px; border: 0; border-radius: 0; box-shadow: none; }
  .lesson-page .lesson-header { padding: 12px; }
  .lesson-page .step-content { padding: 20px 20px 8px; flex: 1; }
  .lesson-page .navigation { flex: 0 0 auto; flex-direction: column; align-items: stretch; gap: 8px; padding: 12px 20px max(16px, env(safe-area-inset-bottom)); }
  .lesson-page .navigation-hint { text-align: center; }
  .lesson-page .navigation .primary { width: 100%; }
  .lesson-page .below-player { min-height: 48px; padding: 0 20px; }
  .lesson-page .completion { padding: 24px 20px; border: 0; border-radius: 0; }
}
@media (max-width: 360px) {
  .app-toolbar-inner { padding-inline: 16px; gap: 8px; }
  .app-wordmark { font-size: 20px; }
  .app-toolbar nav a { padding-inline: 8px; }
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --background: #000; --canvas: #000; --surface: #1c1c1e; --surface-secondary: #1c1c1e; --surface-elevated: #2c2c2e; --text: #ffffffcc; --text-secondary: #ebebf5; --primary: #0a84ff; --link: #69aeff; --action: #0a84ff; --on-action: #000; --warning-ink: #ffb340; --secondary: #5e5ce6; --border: #38383a; --success: #30d158; --warning: #ff9f0a; }
  .course-days .current-day { background: var(--surface-elevated); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}