@font-face { font-family: "Manrope"; src: url("../concept-01/assets/fonts/manrope-400.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("../concept-01/assets/fonts/manrope-500.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("../concept-01/assets/fonts/manrope-600.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("../concept-01/assets/fonts/manrope-700.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "DM Mono"; src: url("../concept-01/assets/fonts/dm-mono-400.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "DM Mono"; src: url("../concept-01/assets/fonts/dm-mono-500.ttf") format("truetype"); font-weight: 500; font-display: swap; }

:root { color-scheme: light; font-synthesis: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; --safe-top: env(safe-area-inset-top, 0px); --safe-bottom: env(safe-area-inset-bottom, 0px); }
* { box-sizing: border-box; }
html { background: #dfe7e9; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-width: 320px; background: #dfe7e9; color: #172025; font-family: "Manrope", sans-serif; }
button, a, input, textarea { font: inherit; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.app-shell { width: min(100%, 430px); min-height: var(--viewport-height, 100dvh); margin: 0 auto; background: #f3f6f7; overflow: hidden; position: relative; box-shadow: 0 0 70px rgba(23,32,37,.12); }
.screen { min-height: 100dvh; padding: calc(24px + var(--safe-top)) 20px calc(108px + var(--safe-bottom)); }
.topbar { display: grid; grid-template-columns: minmax(0, 1fr) min(126px, 32vw) auto; align-items: center; height: 48px; margin-bottom: 30px; position: relative; }
.dynamic-island-gap { display: block; width: 100%; height: 34px; pointer-events: none; }
.topbar-spacer { width: 44px; height: 44px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: -.03em; }
.brand > span:last-child { min-width: 0; }
.brand-mark { width: 29px; height: 29px; border-radius: 9px; display: grid; place-items: center; overflow: hidden; background: #e9eef0; }
.brand-mark img { width: 38px; max-width: none; }
.icon-button:active, .tap:active { transform: scale(.96); }
.eyebrow { display: flex; align-items: center; gap: 8px; color: #039ed7; font: 500 9px/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .14em; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 17px 0 15px; max-width: 360px; font-size: clamp(42px, 12vw, 58px); line-height: .9; letter-spacing: -.075em; font-weight: 600; }
.hero-copy { max-width: 355px; color: #6d7a80; font-size: 15px; line-height: 1.65; letter-spacing: -.015em; }
.safe-note { display: flex; gap: 11px; align-items: flex-start; margin: 25px 0 28px; padding: 15px; border: 1px solid #c9e5ef; border-radius: 13px; background: #eaf7fb; color: #25677c; font-size: 12px; line-height: 1.55; }
.safe-note b { display: block; margin-bottom: 3px; color: #174b5c; font-size: 12px; }
.safe-icon { width: 23px; height: 23px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #039ed7; font-size: 12px; }
.resume-card { padding: 19px; border-radius: 18px; background: #172025; color: #f3f6f7; box-shadow: 0 16px 35px rgba(23,32,37,.16); }
.resume-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.label { color: #9ba6ab; font: 500 9px/1 "DM Mono", monospace; text-transform: uppercase; letter-spacing: .11em; }
.resume-top .label { color: #9ba6ab; }
.resume-top span:last-child { color: #78d2ef; font: 500 9px/1 "DM Mono", monospace; }
.resume-card h2 { margin: 0 0 7px; font-size: 20px; letter-spacing: -.045em; }
.resume-card p { margin: 0 0 17px; color: #aab6bb; font-size: 12px; line-height: 1.5; }
.progress-track { height: 5px; border-radius: 5px; background: #39464c; overflow: hidden; }
.progress-track i { display: block; width: 30%; height: 100%; border-radius: inherit; background: #039ed7; }
.resume-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.resume-bottom small { color: #9ba6ab; font: 500 10px "DM Mono", monospace; }
.resume-cta { min-height: 44px; padding: 0 16px; border-radius: 10px; background: #039ed7; color: #fff; font-size: 12px; font-weight: 700; }
.section-head { display: flex; justify-content: space-between; align-items: end; margin: 32px 0 14px; }
.section-head h2 { margin: 0; font-size: 20px; letter-spacing: -.05em; }
.section-head a { color: #039ed7; font: 500 10px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.module-list { display: grid; gap: 10px; }
.module-card { min-height: 86px; padding: 13px; display: grid; grid-template-columns: 39px 1fr auto; gap: 12px; align-items: center; border: 1px solid #d9e0e3; border-radius: 14px; background: #fff; text-align: left; transition: transform .2s ease, border-color .2s ease; }
.module-card:hover { transform: translateY(-2px); border-color: #a8d9e7; }
.module-number { width: 39px; height: 39px; display: grid; place-items: center; border-radius: 11px; background: #e9eef0; color: #6d7a80; font: 500 10px "DM Mono", monospace; }
.module-card.done .module-number { color: #fff; background: #259d68; font: 700 21px/1 "Manrope", sans-serif; }
.module-card.done .module-number::first-letter { font-weight: 700; }
.module-card h3 { margin: 0 0 4px; font-size: 14px; letter-spacing: -.025em; }
.module-card p { margin: 0; color: #6d7a80; font-size: 11px; line-height: 1.4; }
.module-meta { color: #9ba6ab; font: 500 9px/1.45 "DM Mono", monospace; text-align: right; white-space: nowrap; }
.module-meta b { display: block; color: #039ed7; font-weight: 500; }
.bottom-nav { position: fixed; z-index: 20; bottom: 0; left: 50%; width: min(100%, 430px); padding: 9px 22px max(10px, calc(8px + var(--safe-bottom))); display: grid; grid-template-columns: repeat(4, 1fr); transform: translateX(-50%); border-top: 1px solid #d9e0e3; background: rgba(255,255,255,.9); backdrop-filter: blur(16px); }
.nav-item { min-height: 44px; display: grid; justify-items: center; gap: 4px; color: #9ba6ab; background: none; font: 500 10px "DM Mono", monospace; }
.nav-item span:first-child { font: 18px/1 "Manrope", sans-serif; }
.nav-item.active { color: #039ed7; }

/* Learn catalogue */
.page-title { margin: 0 0 8px; font-size: 32px; line-height: 1; letter-spacing: -.065em; }
.page-description { margin: 0 0 22px; color: #6d7a80; font-size: 14px; line-height: 1.65; }
.filter-row { display: flex; gap: 7px; overflow-x: auto; margin: 0 -20px 20px; padding: 0 20px 2px; scrollbar-width: none; }
.filter-row::-webkit-scrollbar { display: none; }
.filter { min-height: 36px; padding: 0 12px; border: 1px solid #d9e0e3; border-radius: 999px; color: #6d7a80; background: #fff; font: 500 10px "DM Mono", monospace; white-space: nowrap; }
.filter.active { color: #fff; border-color: #039ed7; background: #039ed7; }
.catalog-list { display: grid; gap: 10px; }
.catalog-card { padding: 16px; border: 1px solid #d9e0e3; border-radius: 15px; background: #fff; }
.catalog-card-top { display: flex; justify-content: space-between; gap: 10px; }
.catalog-card h2 { margin: 0 0 7px; font-size: 16px; letter-spacing: -.04em; }
.catalog-card p { margin: 0; color: #6d7a80; font-size: 12px; line-height: 1.5; }
.catalog-num { color: #039ed7; font: 500 9px "DM Mono", monospace; }
.catalog-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 11px; border-top: 1px solid #e9eef0; color: #9ba6ab; font: 500 10px "DM Mono", monospace; }
.catalog-bottom b { color: #259d68; font-weight: 500; }
.start-link { color: #039ed7; font-weight: 500; }

/* Lesson */
.lesson-screen { padding-bottom: calc(30px + var(--safe-bottom)); }
.lesson-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.back-button { display: flex; align-items: center; gap: 8px; color: #6d7a80; background: none; font-size: 12px; }
.back-button span { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid #d9e0e3; border-radius: 50%; }
.bookmark { color: #039ed7; background: none; font-size: 20px; }
.lesson-kicker { color: #039ed7; font: 500 9px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .12em; }
.lesson-screen h1 { margin: 12px 0 13px; font-size: 34px; line-height: .98; letter-spacing: -.065em; }
.lesson-intro { margin-bottom: 21px; color: #6d7a80; font-size: 15px; line-height: 1.65; }
.lesson-visual { min-height: 153px; margin-bottom: 20px; padding: 19px; display: flex; align-items: center; gap: 16px; border-radius: 17px; background: #172025; color: #f3f6f7; overflow: hidden; position: relative; }
.lesson-visual::after { content: "01"; position: absolute; right: -5px; bottom: -19px; color: rgba(255,255,255,.06); font: 500 120px/1 "DM Mono", monospace; }
.visual-badge { width: 51px; height: 51px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid #4c5c63; border-radius: 50%; color: #78d2ef; font: 500 13px "DM Mono", monospace; }
.lesson-visual h2 { margin: 0 0 5px; font-size: 16px; letter-spacing: -.04em; }
.lesson-visual p { max-width: 220px; margin: 0; color: #aab6bb; font-size: 12px; line-height: 1.5; }
.content-label { margin: 25px 0 10px; color: #6d7a80; font: 500 9px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .11em; }
.lesson-text { color: #334047; font-size: 15px; line-height: 1.72; }
.lesson-text strong { color: #172025; }
.definition { display: inline; padding: 1px 4px; border-bottom: 1px dashed #039ed7; color: #039ed7; cursor: pointer; }
.definition-pop { display: none; margin: 10px 0; padding: 11px 13px; border-left: 3px solid #039ed7; background: #eaf7fb; color: #25677c; font-size: 11px; line-height: 1.5; }
.definition-pop.show { display: block; }
.steps { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.steps li { display: grid; grid-template-columns: 29px 1fr; gap: 11px; align-items: start; color: #334047; font-size: 13px; line-height: 1.6; }
.steps li::before { counter-increment: steps; content: counter(steps); width: 27px; height: 27px; display: grid; place-items: center; border-radius: 50%; color: #039ed7; background: #eaf7fb; font: 500 10px "DM Mono", monospace; }
.note-card { margin-top: 25px; padding: 14px; border: 1px solid #d9e0e3; border-radius: 14px; background: #fff; }
.note-head, .note-bottom { display: flex; justify-content: space-between; align-items: center; }
.note-head .content-label { margin: 0; }
.note-head span:last-child, .note-bottom small { color: #9ba6ab; font: 500 8px "DM Mono", monospace; }
.note-card textarea { width: 100%; min-height: 68px; margin: 10px 0 8px; padding: 10px; resize: vertical; border: 1px solid #d9e0e3; border-radius: 9px; outline: 0; color: #334047; background: #f3f6f7; font-size: 11px; line-height: 1.45; }
.note-card textarea:focus { border-color: #039ed7; box-shadow: 0 0 0 3px rgba(3,158,215,.12); }
.note-save { min-height: 29px; padding: 0 10px; border-radius: 7px; color: #039ed7; background: #eaf7fb; font: 500 9px "DM Mono", monospace; }
.quiz-card { margin-top: 28px; padding: 17px; border: 1px solid #c9e5ef; border-radius: 16px; background: #eaf7fb; }
.quiz-card .content-label { margin: 0 0 10px; color: #25677c; }
.quiz-card h2 { margin: 0 0 15px; font-size: 17px; line-height: 1.3; letter-spacing: -.035em; }
.answers { display: grid; gap: 8px; }
.answer { min-height: 48px; padding: 0 12px; display: flex; align-items: center; gap: 9px; border: 1px solid #c6dde5; border-radius: 10px; color: #334047; background: #fff; font-size: 13px; line-height: 1.35; text-align: left; }
.answer em { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #6d7a80; background: #e9eef0; font: 500 9px "DM Mono", monospace; font-style: normal; }
.answer.correct { border-color: #77c89f; background: #effaf4; color: #1f6b46; }
.answer.correct em { color: #fff; background: #259d68; }
.answer.wrong { border-color: #e6aaa3; background: #fff5f3; color: #9b4038; }
.answer.wrong em { color: #fff; background: #d9584e; }
.feedback { display: none; margin-top: 12px; padding: 11px 12px; border-radius: 9px; background: rgba(37,157,104,.1); color: #28734f; font-size: 12px; line-height: 1.5; }
.feedback.show { display: block; }
.next-button { width: 100%; min-height: 50px; margin-top: 17px; border-radius: 11px; color: #fff; background: #039ed7; font-size: 13px; font-weight: 700; }
.next-button:disabled { opacity: .38; }

/* Saved/profile */
.empty-state { padding: 40px 20px; border: 1px dashed #c5d0d4; border-radius: 16px; color: #6d7a80; text-align: center; }
.empty-state strong { display: block; margin-bottom: 8px; color: #172025; font-size: 15px; }
.profile-card { padding: 21px; border-radius: 17px; background: #172025; color: #fff; }
.profile-head { display: flex; align-items: center; gap: 13px; margin-bottom: 20px; }
.profile-avatar { width: 48px; height: 48px; border-radius: 50%; background: #39464c; overflow: hidden; }
.profile-avatar img { width: 65px; max-width: none; }
.profile-card h2 { margin: 0 0 3px; font-size: 18px; }
.profile-card p { margin: 0; color: #9ba6ab; font-size: 11px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { padding: 11px 9px; border: 1px solid #3b494f; border-radius: 10px; }
.stat b { display: block; color: #78d2ef; font: 500 19px "DM Mono", monospace; }
.stat span { color: #9ba6ab; font: 500 8px "DM Mono", monospace; text-transform: uppercase; }
.disclaimer { margin-top: 24px; padding: 14px; border: 1px solid #d9e0e3; border-radius: 13px; color: #6d7a80; background: #fff; font-size: 12px; line-height: 1.6; }
.disclaimer strong { color: #172025; }

@media (min-width: 431px) { .bottom-nav { width: 430px; } }
@media (max-width: 350px) {
  .screen { padding-inline: 16px; }
  .topbar { grid-template-columns: minmax(0, 1fr) min(104px, 27vw) auto; }
  .brand { font-size: 15px; }
  .hero h1 { font-size: 40px; }
  .resume-card { padding: 16px; }
  .resume-bottom { align-items: flex-end; }
  .resume-cta { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }

/* Complete course application */
:root {
  color-scheme: light;
  --learn-outer: #dfe7e9;
  --learn-bg: #f3f6f7;
  --learn-surface: #fff;
  --learn-surface-soft: #e9eef0;
  --learn-ink: #172025;
  --learn-copy: #334047;
  --learn-muted: #6d7a80;
  --learn-faint: #9ba6ab;
  --learn-line: #d9e0e3;
  --learn-accent: #039ed7;
  --learn-accent-soft: #eaf7fb;
  --learn-accent-copy: #25677c;
  --learn-dark: #172025;
  --learn-dark-copy: #f3f6f7;
  --learn-nav: rgba(255,255,255,.91);
  --learn-shadow: 0 18px 45px rgba(23,32,37,.13);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --learn-outer: #090d0f;
  --learn-bg: #11191d;
  --learn-surface: #182227;
  --learn-surface-soft: #233037;
  --learn-ink: #f1f6f7;
  --learn-copy: #d0dadd;
  --learn-muted: #a0aeb3;
  --learn-faint: #819097;
  --learn-line: #2b3a41;
  --learn-accent: #41bde9;
  --learn-accent-soft: #153440;
  --learn-accent-copy: #a9e5f8;
  --learn-dark: #080d0f;
  --learn-dark-copy: #f1f6f7;
  --learn-nav: rgba(17,25,29,.92);
  --learn-shadow: 0 18px 45px rgba(0,0,0,.32);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] {
    color-scheme: dark;
    --learn-outer: #090d0f;
    --learn-bg: #11191d;
    --learn-surface: #182227;
    --learn-surface-soft: #233037;
    --learn-ink: #f1f6f7;
    --learn-copy: #d0dadd;
    --learn-muted: #a0aeb3;
    --learn-faint: #819097;
    --learn-line: #2b3a41;
    --learn-accent: #41bde9;
    --learn-accent-soft: #153440;
    --learn-accent-copy: #a9e5f8;
    --learn-dark: #080d0f;
    --learn-dark-copy: #f1f6f7;
    --learn-nav: rgba(17,25,29,.92);
    --learn-shadow: 0 18px 45px rgba(0,0,0,.32);
  }
}

html, body { background: var(--learn-outer); }
body { color: var(--learn-ink); transition: background-color .3s ease, color .3s ease; }
.app-shell, .screen { background: var(--learn-bg); color: var(--learn-ink); }
.app-shell { transition: background-color .3s ease; }
.screen-stage { min-height: var(--viewport-height, 100dvh); animation: screen-in .42s cubic-bezier(.22,.72,.18,1) both; }
.top-settings { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--learn-line); border-radius: 50%; color: var(--learn-muted); background: var(--learn-surface); font-size: 17px; transition: transform .2s ease, color .2s ease, border-color .2s ease; }
.top-settings:hover { color: var(--learn-accent); border-color: var(--learn-accent); transform: rotate(18deg); }
.brand-mark, .module-number, .answer em { background: var(--learn-surface-soft); }
.hero-copy, .page-description, .module-card p, .catalog-card p, .lesson-intro, .back-button, .lesson-text, .steps li, .empty-state, .disclaimer, .module-description { color: var(--learn-muted); }
.lesson-text, .steps li { color: var(--learn-copy); }
.module-card, .catalog-card, .filter, .note-card, .answer, .disclaimer, .empty-state, .profile-action, .saved-lesson, .module-progress-card, .objectives-card, .course-search, .profile-progress { border-color: var(--learn-line); background: var(--learn-surface); }
.module-card h3, .catalog-card h2, .empty-state strong, .disclaimer strong, .lesson-text strong { color: var(--learn-ink); }
.bottom-nav { border-color: var(--learn-line); background: var(--learn-nav); }
.nav-item, .label, .module-meta, .catalog-bottom, .note-head span:last-child, .note-bottom small { color: var(--learn-faint); }
.nav-item.active, .section-head a, .catalog-num, .start-link, .lesson-kicker, .bookmark, .eyebrow { color: var(--learn-accent); }
.progress-track i, .mini-progress i { background: var(--learn-accent); transition: width .8s cubic-bezier(.2,.76,.2,1); }
.filter.active { border-color: var(--learn-accent); background: var(--learn-accent); color: #fff; }
.catalog-bottom { border-color: var(--learn-line); }
.note-card textarea { border-color: var(--learn-line); background: var(--learn-bg); color: var(--learn-copy); }
.note-save { color: var(--learn-accent); background: var(--learn-accent-soft); }

.course-summary { margin-top: 16px; padding: 14px 5px; display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--learn-line); border-radius: 14px; background: var(--learn-surface); }
.course-summary > span { display: grid; justify-items: center; gap: 3px; border-right: 1px solid var(--learn-line); }
.course-summary > span:last-child { border: 0; }
.course-summary strong { color: var(--learn-accent); font: 500 17px "DM Mono", monospace; }
.course-summary small { color: var(--learn-faint); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }

.course-search { height: 48px; margin-bottom: 13px; padding: 0 13px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--learn-line); border-radius: 13px; color: var(--learn-faint); transition: border-color .2s ease, box-shadow .2s ease; }
.course-search:focus-within { border-color: var(--learn-accent); box-shadow: 0 0 0 3px color-mix(in srgb,var(--learn-accent) 14%,transparent); }
.course-search input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--learn-ink); background: transparent; font-size: 13px; }
.course-search input::placeholder { color: var(--learn-faint); }
.course-search button { width: 28px; height: 28px; border-radius: 50%; color: var(--learn-muted); background: var(--learn-surface-soft); }
.module-category { display: inline-flex; margin-bottom: 8px; color: var(--learn-accent); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.catalog-card { width: 100%; color: var(--learn-ink); text-align: left; box-shadow: 0 0 0 rgba(0,0,0,0); transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease; }
.catalog-card:hover { border-color: color-mix(in srgb,var(--learn-accent) 48%,var(--learn-line)); box-shadow: 0 12px 24px rgba(23,32,37,.07); transform: translateY(-2px); }
.catalog-card .mini-progress { margin-top: 16px; }
.complete-link { color: #259d68; }
.mini-progress { height: 4px; grid-column: 1 / -1; overflow: hidden; border-radius: 5px; background: var(--learn-surface-soft); }
.mini-progress i { display: block; height: 100%; border-radius: inherit; }

.module-screen h1 { margin: 11px 0 13px; max-width: 370px; font-size: 39px; line-height: .96; letter-spacing: -.065em; }
.module-position { color: var(--learn-faint); font: 500 9px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .09em; }
.module-description { margin-bottom: 22px; font-size: 14px; line-height: 1.6; }
.module-progress-card { padding: 16px; display: grid; grid-template-columns: 1fr auto; gap: 13px; align-items: center; border: 1px solid var(--learn-line); border-radius: 15px; }
.module-progress-card > span { display: grid; gap: 3px; }
.module-progress-card small { color: var(--learn-faint); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.module-progress-card strong { font-size: 13px; }
.module-progress-card b { color: var(--learn-accent); font: 500 18px "DM Mono", monospace; }
.objectives-card { margin-top: 12px; padding: 16px; border: 1px solid var(--learn-line); border-radius: 15px; }
.objectives-card .content-label { margin: 0; }
.objectives-card ul { margin: 12px 0 0; padding: 0; display: grid; gap: 8px; list-style: none; }
.objectives-card li { padding-left: 20px; position: relative; color: var(--learn-copy); font-size: 12px; line-height: 1.5; }
.objectives-card li::before { content: "✓"; position: absolute; left: 0; color: #259d68; font-weight: 700; }
.module-lessons-heading { margin: 25px 0 11px; display: flex; align-items: end; justify-content: space-between; }
.module-lessons-heading h2 { margin: 0; font-size: 20px; letter-spacing: -.045em; }
.module-lessons-heading span { color: var(--learn-faint); font: 500 9px "DM Mono", monospace; }
.lesson-list, .saved-list { display: grid; gap: 8px; }
.lesson-row, .saved-lesson { width: 100%; min-height: 68px; padding: 11px 12px; display: grid; grid-template-columns: 36px 1fr auto; gap: 11px; align-items: center; border: 1px solid var(--learn-line); border-radius: 13px; color: var(--learn-ink); background: var(--learn-surface); text-align: left; transition: transform .2s ease, border-color .2s ease; }
.lesson-row:hover, .saved-lesson:hover { border-color: color-mix(in srgb,var(--learn-accent) 48%,var(--learn-line)); transform: translateX(2px); }
.lesson-row-number { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: var(--learn-muted); background: var(--learn-surface-soft); font: 500 9px "DM Mono", monospace; }
.lesson-row.done .lesson-row-number { color: #fff; background: #259d68; }
.lesson-row > span:nth-child(2), .saved-lesson > span:nth-child(2) { display: grid; gap: 4px; }
.lesson-row strong, .saved-lesson strong { font-size: 12px; line-height: 1.35; }
.lesson-row small, .saved-lesson small, .saved-lesson em { color: var(--learn-faint); font: 500 8px "DM Mono", monospace; font-style: normal; }
.lesson-row > i, .saved-lesson > i { color: var(--learn-faint); font-style: normal; }
.module-start { width: 100%; min-height: 50px; margin-top: 15px; padding: 0 17px; display: flex; align-items: center; justify-content: space-between; border-radius: 12px; color: #fff; background: var(--learn-accent); font-size: 13px; font-weight: 700; box-shadow: 0 10px 24px color-mix(in srgb,var(--learn-accent) 22%,transparent); }

.lesson-progress { margin-bottom: 20px; display: grid; grid-template-columns: 1fr auto; gap: 9px; color: var(--learn-faint); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.lesson-visual::after { content: var(--lesson-number,"01"); }
.key-idea { margin: 19px 0 24px; padding: 14px 15px; border-left: 3px solid var(--learn-accent); border-radius: 0 12px 12px 0; background: var(--learn-accent-soft); }
.key-idea span { color: var(--learn-accent); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.key-idea p { margin: 6px 0 0; color: var(--learn-accent-copy); font-size: 12px; line-height: 1.55; }
.saved-star { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: #e2a82d; background: #fff7df; }

.profile-progress { margin: 12px 0; padding: 15px; display: grid; grid-template-columns: auto 1fr; gap: 17px; align-items: center; border: 1px solid var(--learn-line); border-radius: 14px; }
.profile-progress > span { display: flex; align-items: baseline; gap: 6px; }
.profile-progress strong { color: var(--learn-accent); font: 500 20px "DM Mono", monospace; }
.profile-progress small { color: var(--learn-faint); font-size: 9px; }
.profile-action { width: 100%; min-height: 68px; padding: 12px; display: grid; grid-template-columns: 36px 1fr auto; gap: 11px; align-items: center; border: 1px solid var(--learn-line); border-radius: 14px; color: var(--learn-ink); text-align: left; }
.profile-action > span:first-child { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: var(--learn-accent); background: var(--learn-accent-soft); }
.profile-action > span:nth-child(2) { display: grid; gap: 3px; }
.profile-action strong { font-size: 12px; }
.profile-action small { color: var(--learn-faint); font-size: 9px; }
.profile-action > i { color: var(--learn-faint); font-style: normal; }
.offline-card { margin-top: 12px; padding: 15px; display: flex; gap: 12px; border: 1px solid #bfe4d0; border-radius: 14px; background: #eef9f3; color: #236947; }
.offline-card > span { width: 28px; height: 28px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #259d68; font-weight: 700; }
.offline-card strong { font-size: 12px; }
.offline-card p { margin: 4px 0 0; font-size: 10px; line-height: 1.5; }

.sheet-backdrop, .completion-backdrop { position: fixed; z-index: 60; inset: 0; display: flex; justify-content: center; background: rgba(5,10,12,.55); backdrop-filter: blur(8px); animation: fade-in .24s ease both; }
.sheet-backdrop { align-items: flex-end; }
.settings-sheet { width: min(100%,430px); max-height: min(760px,calc(100dvh - 24px)); overflow-y: auto; padding: 21px 20px calc(24px + var(--safe-bottom)); border-radius: 23px 23px 0 0; background: var(--learn-surface); color: var(--learn-ink); box-shadow: 0 -24px 70px rgba(0,0,0,.25); animation: sheet-up .42s cubic-bezier(.16,.8,.2,1) both; }
.settings-sheet header { margin-bottom: 22px; display: flex; align-items: flex-start; justify-content: space-between; }
.settings-sheet header small { color: var(--learn-accent); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.settings-sheet header h2 { margin: 5px 0 0; font-size: 25px; letter-spacing: -.055em; }
.settings-sheet header button { width: 36px; height: 36px; border-radius: 50%; color: var(--learn-muted); background: var(--learn-surface-soft); font-size: 21px; }
.setting-group { margin-bottom: 12px; padding-bottom: 17px; border-bottom: 1px solid var(--learn-line); }
.setting-group > span { display: block; margin-bottom: 10px; color: var(--learn-faint); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.segmented { padding: 4px; display: grid; grid-template-columns: repeat(3,1fr); border-radius: 11px; background: var(--learn-surface-soft); }
.segmented button { min-height: 36px; border-radius: 8px; color: var(--learn-muted); background: transparent; font-size: 10px; font-weight: 600; }
.segmented button.active { color: var(--learn-ink); background: var(--learn-surface); box-shadow: 0 3px 10px rgba(23,32,37,.1); }
.setting-row { min-height: 68px; display: flex; gap: 18px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--learn-line); }
.setting-row > span { display: grid; gap: 3px; }
.setting-row strong, .setting-status strong { font-size: 12px; }
.setting-row small, .setting-status small { color: var(--learn-faint); font-size: 9px; line-height: 1.45; }
.switch { flex: 0 0 auto; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch i { width: 44px; height: 25px; display: block; padding: 3px; border-radius: 20px; background: var(--learn-surface-soft); transition: background-color .22s ease; }
.switch i::after { content: ""; width: 19px; height: 19px; display: block; border-radius: 50%; background: var(--learn-surface); box-shadow: 0 2px 6px rgba(0,0,0,.2); transition: transform .22s ease; }
.switch input:checked + i { background: var(--learn-accent); }
.switch input:checked + i::after { transform: translateX(19px); }
.switch input:focus-visible + i { outline: 3px solid color-mix(in srgb,var(--learn-accent) 22%,transparent); }
.setting-status { margin: 16px 0; padding: 13px; display: flex; gap: 10px; align-items: center; border-radius: 11px; color: #236947; background: #eef9f3; }
.setting-status > i { width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%; background: #259d68; box-shadow: 0 0 0 5px rgba(37,157,104,.12); }
.setting-status > span { display: grid; gap: 2px; }
.reset-progress { width: 100%; min-height: 43px; border: 1px solid #efc1bc; border-radius: 10px; color: #b6493f; background: #fff5f3; font-size: 11px; font-weight: 600; }
.settings-footnote { margin: 9px 8px 0; color: var(--learn-faint); font-size: 8px; line-height: 1.5; text-align: center; }
.reset-confirm { padding: 14px; border: 1px solid #efc1bc; border-radius: 12px; color: #8f3f37; background: #fff5f3; animation: reset-in .24s ease both; }
.reset-confirm strong { font-size: 12px; }
.reset-confirm p { margin: 4px 0 12px; font-size: 9px; line-height: 1.45; }
.reset-confirm > span { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.reset-confirm button { min-height: 36px; border: 1px solid #efc1bc; border-radius: 8px; color: #8f3f37; background: #fff; font-size: 10px; font-weight: 600; }
.reset-confirm button:last-child { border-color: #bd5047; color: #fff; background: #bd5047; }

.settings-contact { margin: 22px 0 18px; padding-top: 17px; border-top: 1px solid var(--learn-line); }
.settings-section-label { display: block; margin-bottom: 9px; color: var(--learn-faint); font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.settings-contact > a { min-height: 52px; padding: 8px 0; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 12px; align-items: center; border-bottom: 1px solid var(--learn-line); color: var(--learn-ink); }
.settings-contact > a strong { font-size: 12px; }
.settings-contact > a small { color: var(--learn-faint); font-size: 9px; line-height: 1.4; }
.settings-contact > a i { grid-column: 2; grid-row: 1 / span 2; color: var(--learn-accent); font-style: normal; }
.company-details { margin-top: 14px; display: grid; gap: 3px; color: var(--learn-faint); font-size: 9px; line-height: 1.45; }
.company-details strong { color: var(--learn-muted); font-size: 10px; }
.company-details a { color: var(--learn-accent); text-decoration: none; }

.failure-screen { min-height: 100dvh; padding: calc(70px + var(--safe-top)) 24px calc(48px + var(--safe-bottom)); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; background: var(--learn-bg); color: var(--learn-ink); }
.failure-mark { width: 56px; height: 56px; margin-bottom: 24px; display: grid; place-items: center; border-radius: 18px; color: #fff; background: #bd5047; font: 700 25px "DM Mono", monospace; box-shadow: 0 12px 25px rgba(189,80,71,.2); }
.failure-screen .eyebrow { margin-bottom: 16px; }
.failure-screen h1 { max-width: 340px; margin: 0 0 14px; font-size: clamp(34px, 10vw, 48px); line-height: .98; letter-spacing: -.07em; }
.failure-screen p { max-width: 350px; margin: 0; color: var(--learn-muted); font-size: 14px; line-height: 1.65; }
.failure-actions { width: 100%; max-width: 350px; margin-top: 26px; display: grid; gap: 10px; }
.failure-actions button, .failure-actions a { min-height: 48px; padding: 0 16px; display: flex; align-items: center; justify-content: center; border-radius: 11px; font-size: 12px; font-weight: 700; }
.failure-retry { color: #fff; background: var(--learn-accent); }
.failure-actions a { border: 1px solid var(--learn-line); color: var(--learn-ink); background: var(--learn-surface); }
.failure-links { margin-top: 24px; display: flex; gap: 18px; font: 500 10px "DM Mono", monospace; }
.failure-links a { color: var(--learn-accent); }
.failure-screen small { margin-top: 24px; color: var(--learn-faint); font-size: 9px; }

.completion-backdrop { align-items: center; padding: 20px; }
.completion-card { width: min(100%,350px); padding: 29px 24px 23px; border-radius: 22px; background: var(--learn-surface); color: var(--learn-ink); box-shadow: var(--learn-shadow); text-align: center; animation: completion-in .5s cubic-bezier(.16,.8,.2,1) both; }
.completion-card > small { color: #259d68; font: 500 8px "DM Mono", monospace; text-transform: uppercase; letter-spacing: .12em; }
.completion-card h2 { margin: 8px 0 9px; font-size: 25px; line-height: 1.08; letter-spacing: -.055em; }
.completion-card p { margin: 0 0 19px; color: var(--learn-muted); font-size: 11px; line-height: 1.55; }
.completion-card > button { width: 100%; min-height: 47px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; border-radius: 11px; color: #fff; background: var(--learn-accent); font-size: 12px; font-weight: 700; }
.completion-orbits { width: 92px; height: 92px; margin: 0 auto 15px; display: grid; place-items: center; position: relative; }
.completion-orbits span { width: 49px; height: 49px; display: grid; place-items: center; z-index: 1; border-radius: 50%; color: #fff; background: #259d68; font-size: 23px; box-shadow: 0 9px 24px rgba(37,157,104,.24); animation: check-pop .58s .15s cubic-bezier(.16,.8,.2,1.35) both; }
.completion-orbits i { position: absolute; inset: 8px; border: 1px solid rgba(37,157,104,.34); border-radius: 50%; animation: orbit-pulse 2.2s ease-in-out infinite; }
.completion-orbits i:nth-child(2) { inset: 0; animation-delay: .5s; }

html[data-theme="dark"] .safe-note,
html[data-theme="dark"] .quiz-card { border-color: #225163; background: #153440; color: #a9e5f8; }
html[data-theme="dark"] .safe-note b,
html[data-theme="dark"] .quiz-card .content-label { color: #d2f3fc; }
html[data-theme="dark"] .answer.correct { border-color: #356d50; background: #173427; color: #9de1bc; }
html[data-theme="dark"] .answer.wrong { border-color: #74443e; background: #3b211f; color: #f0aaa2; }
html[data-theme="dark"] .offline-card,
html[data-theme="dark"] .setting-status { border-color: #28553d; background: #173427; color: #9de1bc; }
html[data-theme="dark"] .saved-star { background: #3a321c; }
html[data-theme="dark"] .reset-progress { border-color: #6b3f3a; background: #38211f; color: #f0aaa2; }
html[data-theme="dark"] .reset-confirm { border-color: #6b3f3a; background: #38211f; color: #f0aaa2; }
html[data-theme="dark"] .reset-confirm button { border-color: #6b3f3a; background: #182227; color: #f0aaa2; }
html[data-theme="dark"] .reset-confirm button:last-child { background: #bd5047; color: #fff; }

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] .safe-note,
  html[data-theme="system"] .quiz-card { border-color: #225163; background: #153440; color: #a9e5f8; }
  html[data-theme="system"] .safe-note b,
  html[data-theme="system"] .quiz-card .content-label { color: #d2f3fc; }
  html[data-theme="system"] .offline-card,
  html[data-theme="system"] .setting-status { border-color: #28553d; background: #173427; color: #9de1bc; }
  html[data-theme="system"] .saved-star { background: #3a321c; }
  html[data-theme="system"] .answer.correct { border-color: #356d50; background: #173427; color: #9de1bc; }
  html[data-theme="system"] .answer.wrong { border-color: #74443e; background: #3b211f; color: #f0aaa2; }
  html[data-theme="system"] .reset-progress,
  html[data-theme="system"] .reset-confirm { border-color: #6b3f3a; background: #38211f; color: #f0aaa2; }
  html[data-theme="system"] .reset-confirm button { border-color: #6b3f3a; background: #182227; color: #f0aaa2; }
  html[data-theme="system"] .reset-confirm button:last-child { background: #bd5047; color: #fff; }
}

html[data-text-size="large"] .lesson-text { font-size: 17px; line-height: 1.78; }
html[data-text-size="large"] .lesson-intro { font-size: 16px; }
html[data-text-size="large"] .steps li { font-size: 15px; }
html[data-text-size="large"] .key-idea p { font-size: 14px; }
html[data-text-size="large"] .answer { font-size: 14px; }
html[data-motion="off"] *,
html[data-motion="off"] *::before,
html[data-motion="off"] *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }

@keyframes screen-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes sheet-up { from { opacity: .5; transform: translateY(70px); } }
@keyframes completion-in { from { opacity: 0; transform: translateY(15px) scale(.94); } }
@keyframes check-pop { from { opacity: 0; transform: scale(.3) rotate(-24deg); } }
@keyframes orbit-pulse { 0%,100% { opacity: .35; transform: scale(.9); } 50% { opacity: .75; transform: scale(1.08); } }
@keyframes reset-in { from { opacity: 0; transform: translateY(4px); } }

@media (max-width: 350px) {
  .module-screen h1 { font-size: 34px; }
  .course-summary { padding-inline: 2px; }
  .lesson-row, .saved-lesson { grid-template-columns: 34px 1fr auto; padding-inline: 9px; }
}