:root {
  --ink: #1d1d1b;
  --paper: #f5f2eb;
  --warm: #e6b3a6;
  --red: #a85747;
  --green: #2d7857;
  --soft-green: #dcebe3;
  --line: rgba(29, 29, 27, .14);
  --muted: #77736e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, a { font: inherit; }
button { cursor: pointer; }
.app-shell { max-width: 720px; margin: 0 auto; padding: max(22px, env(safe-area-inset-top)) 20px 114px; }
.topbar, .section-heading { display: flex; align-items: center; justify-content: space-between; }
.top-actions { display: flex; align-items: center; gap: 9px; }
.star-balance { display: flex; align-items: center; gap: 4px; color: var(--ink); font-size: 13px; font-weight: 800; }
.star-balance b { color: #d19d24; font-size: 17px; }
.topbar { margin-bottom: 48px; }
.brand { color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: 22px; font-weight: 700; letter-spacing: -.04em; text-decoration: none; }
.avatar { width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--ink); color: var(--paper); font-family: Georgia, serif; }
.eyebrow { margin: 0 0 11px; color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .14em; line-height: 1.3; }
h1, h2, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.045em; }
h1 { max-width: 600px; margin-bottom: 17px; font-size: clamp(42px, 10vw, 68px); line-height: .98; }
h2 { margin-bottom: 0; font-size: 30px; line-height: 1.05; }
.lead { max-width: 470px; margin-bottom: 46px; color: #57534f; font-size: 15px; line-height: 1.48; }
.app-page[hidden] { display: none; }
.home-course-link { width: 100%; margin-top: 2px; padding: 16px 0; border: 0; border-bottom: 1px solid var(--ink); background: transparent; color: var(--ink); font-weight: 750; text-align: left; }
.home-course-link span { float: right; font-size: 19px; line-height: .75; }
.course-intro { padding: 13px 0 27px; }
.course-intro h1 { margin-bottom: 14px; font-size: clamp(43px, 10vw, 63px); }
.course-intro p:not(.eyebrow) { max-width: 490px; margin: 0; color: #57534f; font-size: 15px; line-height: 1.45; }
.value-section { margin-bottom: 48px; }
.value-section > h2 { max-width: 420px; margin-bottom: 20px; font-size: clamp(36px, 8vw, 52px); }
.value-grid { display: grid; gap: 2px; background: var(--line); }
.value-grid article { min-height: 148px; padding: 18px; background: #ebe6dc; }
.value-grid b { color: var(--red); font: 700 12px/1 Georgia, serif; }
.value-grid h3 { margin: 17px 0 7px; font: 400 23px/1 Georgia, serif; letter-spacing: -.03em; }
.value-grid p { margin: 0; color: #5e5954; font-size: 13px; line-height: 1.4; }
.featured { overflow: hidden; border-radius: 4px; background: var(--ink); color: #fffdf8; box-shadow: 0 18px 34px rgba(47, 37, 31, .12); }
.featured-image { min-height: 220px; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.42)), url("assets/renoir-moulin.jpg") center/cover; }
.featured-content { padding: 26px 24px 25px; }
.featured .eyebrow { color: var(--warm); }
.featured h2 { font-size: 42px; }
.period { margin: 8px 0 23px; color: rgba(255,255,255,.66); font-size: 13px; }
.formula { display: flex; align-items: center; gap: 9px; margin-bottom: 28px; color: var(--warm); font-size: 13px; }
.formula i { width: 3px; height: 3px; border-radius: 50%; background: var(--warm); }
.primary-button, .secondary-button { border: 0; border-radius: 2px; transition: transform .2s ease, background .2s ease; }
.primary-button { width: 100%; padding: 15px 16px; background: var(--warm); color: var(--ink); font-weight: 750; text-align: left; }
.lesson-link { display: block; text-decoration: none; }
.primary-button span, .secondary-button span { float: right; font-size: 20px; line-height: .75; }
.primary-button:hover, .secondary-button:hover { transform: translateY(-2px); }
.progress-section { padding: 49px 0 38px; }
.progress-section h2 { font-size: 35px; }
.progress-count { color: var(--muted); font-size: 12px; }
.progress-track { height: 5px; margin-top: 18px; overflow: hidden; background: #ddd8cf; border-radius: 10px; }
.progress-track span { display: block; width: 4%; height: 100%; border-radius: inherit; background: var(--green); }
.section-heading.compact { margin-bottom: 14px; }
.section-heading.compact h2 { font-size: 35px; }
.text-button { border: 0; background: transparent; color: var(--red); font-size: 13px; font-weight: 700; }
.epoch-list { border-top: 1px solid var(--line); }
.epoch-card { display: flex; width: 100%; align-items: center; gap: 15px; padding: 20px 2px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: inherit; text-align: left; }
.epoch-card:hover .epoch-copy strong { color: var(--red); }
.epoch-number { color: var(--red); font: 600 12px/1 Georgia, serif; }
.epoch-copy { flex: 1; }
.epoch-copy strong { display: block; margin-bottom: 5px; font: 400 24px/1 Georgia, serif; letter-spacing: -.03em; transition: color .2s ease; }
.epoch-copy small { color: var(--muted); font-size: 12px; }
.round-arrow { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 50%; background: var(--green); color: white; font-size: 17px; }
.lock { color: #aaa6a0; font-size: 22px; }
.daily-art { margin-top: 47px; padding: 25px 23px; background: var(--soft-green); }
.daily-art h2 { margin-bottom: 15px; font-size: 34px; }
.daily-figure { margin: 0; overflow: hidden; background: var(--ink); }
.daily-figure img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: center; }
.daily-figure figcaption { padding: 10px 12px; color: rgba(255,255,255,.7); font-size: 11px; line-height: 1.35; }
.daily-story { max-width: 390px; margin: 17px 0 0; color: #46544c; font-size: 14px; line-height: 1.45; }
.secondary-button { width: 100%; margin-top: 10px; padding: 13px 0; border-bottom: 1px solid #779283; border-radius: 0; background: transparent; color: #285d45; font-weight: 750; text-align: left; }
.exhibitions { padding: 48px 0 12px; }
.fresh-note { color: var(--muted); font-size: 11px; }
.exhibitions-lead { max-width: 480px; margin: 0 0 19px; color: #57534f; font-size: 14px; line-height: 1.45; }
.exhibition-list { border-top: 1px solid var(--line); }
.exhibition-list a { position: relative; display: block; padding: 18px 35px 18px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.exhibition-list span, .exhibition-list small { display: block; color: var(--muted); font-size: 11px; line-height: 1.35; }
.exhibition-list strong { display: block; margin: 5px 0 8px; font: 400 23px/1.05 Georgia, serif; letter-spacing: -.03em; }
.exhibition-list i { position: absolute; top: 50%; right: 3px; color: var(--red); font-size: 21px; font-style: normal; transform: translateY(-50%); }
.bottom-nav { position: fixed; z-index: 3; right: 0; bottom: 0; left: 0; display: flex; justify-content: center; gap: min(9vw, 68px); padding: 13px 16px max(16px, env(safe-area-inset-bottom)); border-top: 1px solid rgba(29,29,27,.08); background: rgba(250,248,243,.93); backdrop-filter: blur(12px); }
.nav-item { display: grid; gap: 4px; min-width: 49px; border: 0; background: transparent; color: #8b8780; font-size: 10px; place-items: center; }
.nav-item span { font-size: 20px; line-height: 1; }
.nav-item.active { color: var(--ink); font-weight: 700; }
.lesson-dialog { width: min(calc(100% - 38px), 440px); padding: 33px 26px 25px; border: 0; border-radius: 4px; background: var(--ink); color: white; box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.lesson-dialog::backdrop { background: rgba(15, 14, 13, .55); backdrop-filter: blur(3px); }
.lesson-dialog h2 { margin-bottom: 15px; font-size: 43px; }
.lesson-dialog p:not(.eyebrow) { color: rgba(255,255,255,.75); line-height: 1.45; }
.lesson-dialog .eyebrow { color: var(--warm); }
.dialog-close { position: absolute; top: 10px; right: 14px; border: 0; background: transparent; color: white; font-size: 30px; line-height: 1; }
.dialog-meta { display: flex; gap: 10px; margin: 24px 0; color: var(--warm); font-size: 12px; }
.dialog-meta span + span::before { margin-right: 10px; content: "·"; }
.profile-dialog { width: min(calc(100% - 38px), 420px); max-height: min(760px, calc(100dvh - 30px)); padding: 32px 26px 26px; overflow-y: auto; border: 0; border-radius: 4px; background: var(--paper); color: var(--ink); box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.profile-dialog::backdrop { background: rgba(15, 14, 13, .55); backdrop-filter: blur(3px); }
.profile-close { position: absolute; top: 13px; right: 15px; border: 0; background: transparent; color: var(--ink); font-size: 29px; line-height: 1; }
.profile-avatar { display: grid; width: 58px; height: 58px; margin-bottom: 24px; border-radius: 50%; place-items: center; background: var(--ink); color: white; font: 700 25px/1 Georgia, serif; }
.profile-dialog h2 { margin: 8px 0 8px; font-size: 42px; }
.profile-caption { max-width: 310px; margin: 0; color: var(--muted); line-height: 1.48; }
.profile-progress { margin: 28px 0 22px; padding: 17px; background: #ebe6dc; }
.profile-progress > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; font-size: 14px; }
.profile-progress strong { font-size: 16px; }
.profile-track { height: 5px; margin-top: 13px; overflow: hidden; background: rgba(29,29,27,.12); }
.profile-track span { display: block; width: 0; height: 100%; background: var(--green); transition: width .35s ease; }
.profile-rewards { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-bottom: 18px; background: rgba(29,29,27,.12); }
.profile-reward, .profile-level { min-height: 110px; padding: 15px; background: var(--paper); }
.profile-reward { display: flex; gap: 10px; align-items: flex-start; }
.profile-reward > span { color: #d19d24; font-size: 25px; line-height: 1; }
.profile-reward b, .profile-level strong { display: block; font-size: 15px; }
.profile-reward small, .profile-level small { display: block; margin-top: 7px; color: var(--muted); font-size: 11px; line-height: 1.32; }
.profile-level > span { display: block; margin-bottom: 8px; color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.level-road { margin: 0 0 20px; }
.level-road p { margin-bottom: 9px; font: 700 13px/1 Georgia, serif; }
.level-scale { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; }
.level-scale span { padding: 9px 2px; background: #e4dfd5; color: #77736e; font-size: 10px; font-weight: 800; text-align: center; }
.level-scale span.is-unlocked { background: var(--soft-green); color: #285d45; }
.level-scale span.is-current { background: var(--green); color: white; }
.profile-continue { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 17px 18px; border: 0; background: var(--ink); color: white; font-weight: 700; text-align: left; }
.profile-reset { display: block; width: 100%; margin-top: 13px; padding: 8px; border: 0; background: transparent; color: var(--red); font-size: 12px; text-decoration: underline; }
.toast { position: fixed; z-index: 5; left: 50%; bottom: 91px; width: max-content; max-width: calc(100% - 40px); padding: 12px 16px; border-radius: 99px; background: var(--ink); color: white; font-size: 13px; opacity: 0; pointer-events: none; transform: translate(-50%, 15px); transition: opacity .25s ease, transform .25s ease; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
@media (min-width: 620px) { .app-shell { padding-right: 34px; padding-left: 34px; } .featured { display: grid; grid-template-columns: .88fr 1fr; } .featured-image { min-height: 100%; } .featured-content { padding: 37px 34px; } }
@media (min-width: 620px) { .value-grid { grid-template-columns: repeat(3, 1fr); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }

/* Lesson route */
.lesson-body { min-height: 100vh; background: var(--ink); }
.lesson-shell { position: relative; min-height: 100svh; max-width: 720px; margin: 0 auto; background: var(--ink); }
.lesson-topbar { position: absolute; z-index: 2; top: 0; right: 0; left: 0; display: flex; align-items: center; padding: max(18px, env(safe-area-inset-top)) 20px 15px; color: white; }
.back-link, .lesson-close { display: grid; width: 36px; height: 36px; place-items: center; border: 0; border-radius: 50%; background: rgba(0,0,0,.3); color: white; font-size: 26px; text-decoration: none; }
.lesson-close { margin-left: auto; font-size: 29px; }
.lesson-top-copy { display: grid; gap: 3px; margin-left: 12px; color: white; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.lesson-top-copy small { color: rgba(255,255,255,.62); font-size: 10px; font-weight: 500; letter-spacing: .02em; }
.lesson-progress { position: absolute; z-index: 4; top: 0; right: 0; left: 0; height: 3px; background: rgba(255,255,255,.18); }
.lesson-progress span { display: block; width: 20%; height: 100%; background: var(--warm); transition: width .35s ease; }
.lesson-screen { min-height: calc(100svh - 76px); padding-bottom: 86px; }
.lesson-art { min-height: 43svh; background-position: center; background-size: cover; }
.lesson-art--hero { background-image: linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.48)), url("assets/renoir-moulin.jpg"); }
.lesson-art--bridge { min-height: 39svh; background-image: url("assets/sisley-bridge.jpg"); background-position: center; }
.lesson-content { min-height: calc(57svh - 76px); padding: 30px 20px; }
.lesson-content--dark { background: var(--ink); color: white; }
.lesson-content--paper { background: var(--paper); color: var(--ink); }
.lesson-content h1 { max-width: 610px; margin-bottom: 19px; font-size: clamp(38px, 9.5vw, 60px); }
.lesson-content--dark .lesson-lead { color: rgba(255,255,255,.7); }
.lesson-lead { max-width: 540px; margin-bottom: 22px; color: #625e59; font-size: 17px; line-height: 1.45; }
.lesson-content p:not(.eyebrow):not(.lesson-lead):not(.art-caption):not(.answer-note) { max-width: 530px; font-size: 15px; line-height: 1.5; }
.art-caption { margin: 28px 0 0; color: rgba(255,255,255,.52); font-size: 11px; line-height: 1.4; }
.art-caption--dark { color: var(--muted); }
.fact-grid { display: grid; gap: 10px; margin: 29px 0; }
.fact-grid div { padding: 15px; border-left: 3px solid var(--red); background: #ebe6de; }
.fact-grid strong { display: block; margin-bottom: 5px; font-family: Georgia, serif; font-size: 19px; }
.fact-grid span { color: #5e5954; font-size: 13px; line-height: 1.35; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; }
.timeline div { position: relative; padding: 18px 8px 0 0; border-top: 1px solid var(--ink); }
.timeline div::before { position: absolute; top: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--red); content: ""; }
.timeline b { display: block; margin-bottom: 8px; color: var(--red); font: 700 18px Georgia, serif; }
.timeline span { color: var(--muted); font-size: 10px; line-height: 1.25; }
.lesson-footer { position: fixed; z-index: 4; right: 0; bottom: 0; left: 0; display: flex; align-items: center; justify-content: space-between; max-width: 720px; min-height: 76px; margin: 0 auto; padding: 14px 20px max(14px, env(safe-area-inset-bottom)); border-top: 1px solid rgba(255,255,255,.13); background: rgba(29,29,27,.96); backdrop-filter: blur(10px); }
.screen-label { color: rgba(255,255,255,.62); font-size: 12px; }
.next-button { min-width: 158px; padding: 13px 16px; border: 0; border-radius: 2px; background: var(--warm); color: var(--ink); font-weight: 800; text-align: left; }
.next-button span { float: right; font-size: 18px; line-height: .8; }
.next-button:disabled { cursor: not-allowed; opacity: .42; }
.quiz-screen { display: flex; min-height: calc(100svh - 76px); flex-direction: column; justify-content: center; }
.answers { display: grid; gap: 10px; margin: 28px 0 16px; }
.answers button { padding: 16px; border: 1px solid rgba(255,255,255,.25); border-radius: 2px; background: transparent; color: white; font-size: 15px; line-height: 1.3; text-align: left; transition: background .2s ease, border-color .2s ease; }
.answers button:hover { border-color: var(--warm); }
.answers button.is-correct { border-color: #77c49b; background: #1d5e45; }
.answers button.is-wrong { border-color: #d0806e; background: #703e35; }
.answer-note { min-height: 45px; color: var(--warm); font-size: 14px; line-height: 1.4; }
.completion { display: flex; min-height: calc(100svh - 76px); flex-direction: column; justify-content: center; }
.completion-mark { display: grid; width: 55px; height: 55px; margin-bottom: 22px; place-items: center; border-radius: 50%; background: var(--green); color: white; font-size: 29px; }
.completion .lesson-link { margin-top: 14px; }
@media (min-width: 620px) { .lesson-content { padding: 56px 52px; } .lesson-art--hero { min-height: 53svh; } .lesson-art--bridge { min-height: 47svh; } .lesson-content h1 { font-size: 60px; } .fact-grid { grid-template-columns: 1fr 1fr; } }

/* Complete impressionism course */
.course-body { background: var(--paper); color: var(--ink); }
.course-header { position: sticky; z-index: 10; top: 0; display: flex; align-items: center; max-width: 960px; margin: 0 auto; padding: 10px 18px; border-bottom: 1px solid var(--line); background: rgba(245,242,235,.93); backdrop-filter: blur(12px); }
.course-header .back-link { width: 34px; height: 34px; background: var(--ink); font-size: 21px; }
.course-brand { display: grid; margin-left: 11px; color: var(--ink); font: 700 17px/1 Georgia, serif; text-decoration: none; }
.course-brand span { margin-top: 4px; color: var(--muted); font: 10px/1.1 Inter, sans-serif; }
.course-progress { width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--muted); font-size: 11px; }
.course-progress b { color: var(--green); }
.course { max-width: 960px; margin: 0 auto; }
.course-hero { overflow: hidden; background: var(--ink); color: white; }
.course-hero-image { min-height: 360px; background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.45)), url("assets/renoir-moulin.jpg") center/cover; }
.course-hero-copy { padding: 34px 21px 39px; }
.course-hero-copy h1 { margin-bottom: 14px; font-size: clamp(49px, 12vw, 85px); }
.course-hero-copy > p:not(.eyebrow) { max-width: 500px; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.48; }
.course-hero-copy .primary-button { max-width: 330px; margin-top: 25px; }
.course-map { display: flex; overflow-x: auto; gap: 21px; padding: 20px; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.course-map a { display: grid; min-width: max-content; gap: 4px; color: var(--ink); font: 16px/1 Georgia, serif; text-decoration: none; }
.course-map b { color: var(--red); font: 700 10px/1 Inter, sans-serif; letter-spacing: .12em; }
.course-chapter { padding: 58px 20px; scroll-margin-top: 65px; }
.course-chapter > h2 { margin-bottom: 14px; font-size: clamp(42px, 10vw, 64px); }
.chapter-intro { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; max-width: 650px; margin-bottom: 29px; color: #5e5954; font-size: 17px; line-height: 1.45; }
.chapter-intro p { margin: 0; }
.chapter-intro span { min-width: max-content; color: var(--red); font-size: 11px; font-weight: 700; }
.story-card { margin-top: 14px; padding: 25px 20px; }
.story-card h3, .quiz h3, .final-test h3 { margin: 0 0 12px; font: 400 clamp(28px, 7vw, 42px)/1.05 Georgia, serif; letter-spacing: -.04em; }
.story-card p { max-width: 650px; margin-bottom: 0; font-size: 15px; line-height: 1.55; }
.story-card--paper { background: #e8e2d9; }
.story-card--dark { background: var(--ink); color: white; }
.story-card--dark p:not(.eyebrow) { color: rgba(255,255,255,.74); }
.story-card img { display: block; width: 100%; max-width: 570px; margin-top: 24px; }
.story-card small { display: block; margin-top: 9px; color: rgba(255,255,255,.55); font-size: 10px; }
.course-chapter--dark { background: var(--ink); color: white; }
.course-chapter--dark .chapter-intro { color: rgba(255,255,255,.7); }
.formula-lesson { display: grid; gap: 2px; }
.formula-lesson > div { padding: 19px; background: #2a2a28; }
.formula-lesson b { color: var(--warm); font: 400 44px/1 Georgia, serif; }
.formula-lesson h3 { margin: -35px 0 10px 55px; font: 400 25px/1 Georgia, serif; }
.formula-lesson p { margin: 0; color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.45; }
.featured-art { margin: 25px 0 0; }
.featured-art img { display: block; width: 100%; max-height: 610px; object-fit: cover; }
.featured-art figcaption { margin-top: 9px; color: var(--muted); font-size: 11px; line-height: 1.35; }
.course-chapter--dark .featured-art figcaption { color: rgba(255,255,255,.53); }
.cheatsheet { margin-top: 22px; border-top: 1px solid rgba(255,255,255,.24); border-bottom: 1px solid rgba(255,255,255,.24); }
.cheatsheet summary { padding: 18px 0; cursor: pointer; font: 400 24px/1 Georgia, serif; list-style: none; }
.cheatsheet summary::-webkit-details-marker { display: none; }
.cheatsheet summary span { float: right; color: var(--warm); }
.cheatsheet div { padding: 0 0 14px; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.4; }
.cheatsheet p { margin: 10px 0; }
.quiz { margin-top: 30px; padding: 25px 20px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.course-chapter--dark .quiz { border: 0; background: #f1eee7; }
.quiz .answers, .final-test .answers { margin: 22px 0 12px; }
.quiz .answers button, .final-test .answers button { border-color: var(--line); color: var(--ink); }
.quiz .answers button.is-correct, .final-test .answers button.is-correct { border-color: #77c49b; background: #d7f0e1; color: #15432e; }
.quiz .answers button.is-wrong, .final-test .answers button.is-wrong { border-color: #cf978a; background: #f5dcd5; color: #68362c; }
.quiz .answer-note { min-height: 22px; color: var(--green); }
.artist-grid { display: grid; gap: 12px; }
.artist-card { display: grid; grid-template-columns: 39% 1fr; min-height: 170px; overflow: hidden; background: #e8e2d9; }
.artist-card img { width: 100%; height: 100%; min-height: 170px; object-fit: cover; }
.artist-card div { padding: 17px 15px; }
.artist-card .eyebrow { margin-bottom: 7px; font-size: 9px; }
.artist-card h3 { margin: 0 0 9px; font: 400 24px/1 Georgia, serif; letter-spacing: -.03em; }
.artist-card p:not(.eyebrow) { margin: 0; color: #615c55; font-size: 12px; line-height: 1.35; }
.notice { margin-top: 18px; padding: 18px; border-left: 3px solid var(--red); background: #ebe6de; font-size: 14px; line-height: 1.45; }
.notice b { display: block; margin-bottom: 4px; font-family: Georgia, serif; font-size: 18px; }
.memory-grid { display: grid; gap: 2px; }
.memory-grid article { display: grid; gap: 9px; padding: 19px; background: #2a2a28; }
.memory-grid b { color: var(--warm); font: 400 24px/1 Georgia, serif; }
.memory-grid span { font: 15px/1.4 Georgia, serif; }
.memory-grid small { color: rgba(255,255,255,.58); font-size: 11px; line-height: 1.35; }
.final-test { max-width: 620px; padding: 24px 20px; background: #e8e2d9; }
.final-test article > span { display: block; margin-bottom: 20px; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.final-result { padding: 10px 0; }
.final-result p:not(.eyebrow) { color: #5e5954; font-size: 15px; line-height: 1.45; }
.source-note { padding: 25px 20px 50px; background: #ddd8cf; color: #6b655d; font-size: 11px; line-height: 1.45; }
.source-note p { max-width: 670px; margin: 0; }
@media (min-width: 720px) { .course-hero { display: grid; grid-template-columns: 1.03fr .97fr; } .course-hero-image { min-height: 520px; } .course-hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 54px; } .course-chapter { padding: 78px 60px; } .course-map { padding: 23px 60px; } .story-card { padding: 33px; } .formula-lesson { grid-template-columns: repeat(3, 1fr); } .artist-grid { grid-template-columns: repeat(2, 1fr); } .artist-card { grid-template-columns: 44% 1fr; } .memory-grid { grid-template-columns: repeat(2, 1fr); } .course-header { padding-right: 35px; padding-left: 35px; } }

/* Full-slide presentation viewer. Every screen is the original presentation slide. */
.deck-body { min-height: 100vh; background: #171716; color: #fff; }
.deck-app { display: grid; min-height: 100svh; grid-template-rows: auto 1fr auto; max-width: 1280px; margin: 0 auto; }
.deck-header { position: relative; z-index: 4; display: flex; align-items: center; min-height: 61px; padding: max(12px, env(safe-area-inset-top)) 16px 12px; border-bottom: 1px solid rgba(255,255,255,.12); background: #171716; }
.deck-header .back-link { width: 34px; height: 34px; background: #2a2a28; font-size: 21px; }
.deck-heading { display: grid; gap: 3px; margin-left: 11px; }
.deck-heading strong { font: 700 17px/1 Georgia, serif; }
.deck-heading span { color: rgba(255,255,255,.53); font-size: 10px; }
.deck-menu-button { margin-left: auto; padding: 9px 11px; border: 1px solid rgba(255,255,255,.22); border-radius: 2px; background: transparent; color: white; font-size: 12px; }
.deck-stage { display: grid; min-height: 0; place-items: center; padding: 10px 0; }
.deck-image-wrap { position: relative; display: grid; width: 100%; height: 100%; min-height: 0; place-items: center; touch-action: pan-y; }
.deck-image { display: block; width: 100%; max-height: calc(100svh - 132px); object-fit: contain; user-select: none; -webkit-user-drag: none; }
.deck-tap { position: absolute; top: 0; bottom: 0; width: 25%; border: 0; background: transparent; }
.deck-tap--previous { left: 0; cursor: w-resize; }
.deck-tap--next { right: 0; cursor: e-resize; }
.deck-footer { display: flex; align-items: center; gap: 14px; padding: 10px 17px max(14px, env(safe-area-inset-bottom)); border-top: 1px solid rgba(255,255,255,.12); background: #171716; }
.deck-arrow { display: grid; width: 40px; height: 36px; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 2px; background: transparent; color: white; font-size: 21px; }
.deck-status { flex: 1; color: rgba(255,255,255,.72); font-size: 11px; text-align: center; }
.deck-track { height: 3px; margin-top: 8px; overflow: hidden; background: rgba(255,255,255,.18); }
.deck-track span { display: block; width: 0; height: 100%; background: var(--warm); transition: width .2s ease; }
.deck-menu { position: fixed; z-index: 20; top: 0; right: 0; bottom: 0; left: 0; padding: max(20px, env(safe-area-inset-top)) 20px; background: rgba(0,0,0,.56); backdrop-filter: blur(5px); }
.deck-menu::before { position: absolute; top: 0; right: 0; bottom: 0; width: min(100%, 410px); background: #f5f2eb; content: ""; }
.deck-menu > * { position: relative; z-index: 1; display: flex; width: min(100%, 410px); margin-left: auto; }
.deck-menu-title { align-items: center; justify-content: space-between; padding: 8px 0 18px 20px; color: var(--ink); font: 400 31px/1 Georgia, serif; }
.deck-menu-title button { width: 40px; height: 40px; border: 0; background: transparent; color: var(--ink); font-size: 29px; }
.deck-menu > button { align-items: center; gap: 12px; padding: 16px 20px; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--ink); text-align: left; }
.deck-menu > button b { color: var(--red); font-size: 11px; }
.deck-menu > button small { margin-left: auto; color: var(--muted); font-size: 11px; }
@media (min-width: 720px) { .deck-header { padding-right: 30px; padding-left: 30px; } .deck-stage { padding: 20px; } .deck-image { max-height: calc(100svh - 155px); border-radius: 2px; box-shadow: 0 18px 42px rgba(0,0,0,.32); } .deck-footer { padding-right: 30px; padding-left: 30px; } }

/* Interactive learning route */
.artist-player { max-width: 610px; margin: 0 auto; }.artist-player-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 11px; }.artist-player-top span { color: var(--muted); font-size: 12px; }.artist-progress { height: 3px; margin-bottom: 20px; background: #ded8ce; }.artist-progress i { display: block; height: 100%; background: var(--red); transition: width .3s ease; }.artist-art { margin: 0 0 25px; overflow: hidden; background: var(--ink); }.artist-art img { display: block; width: 100%; min-height: 300px; max-height: 470px; object-fit: cover; }.artist-art figcaption { padding: 10px 12px; color: rgba(255,255,255,.68); font-size: 11px; line-height: 1.35; }.artist-player h2 { margin-bottom: 17px; }.artist-text { color: #514d47; font-size: 17px; line-height: 1.55; }.artist-cue { margin: 22px 0; padding: 16px; border-left: 3px solid var(--red); background: #eee7dd; color: #514d47; font-size: 14px; line-height: 1.45; }.artist-cue b { display: block; margin-bottom: 5px; color: var(--ink); font-family: Georgia, serif; font-size: 18px; }.artist-controls { display: flex; gap: 10px; margin-top: 28px; }.artist-controls > button { min-width: 50px; padding: 15px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font-weight: 700; }.artist-controls > button:disabled { border-color: var(--line); color: var(--muted); }.artist-controls .artist-next { flex: 1; border-color: var(--ink); background: var(--ink); color: white; text-align: left; }
.theory-player-copy { display: grid; gap: 14px; }.theory-player-copy p { margin: 0; }.theory-player .theory-art img { min-height: 0; max-height: none; object-fit: contain; }
.theory-text-card { padding: 28px 22px; border-top: 3px solid var(--red); background: #fffdf8; box-shadow: 0 8px 22px rgba(29,29,27,.08); }
.theory-text-card h3 { margin: 0 0 17px; color: var(--ink); font: 400 clamp(28px, 7.5vw, 46px)/1.08 Georgia, serif; letter-spacing: -.04em; }
.theory-text-card p { margin: 0 0 14px; color: #514d47; font-size: 16px; line-height: 1.55; }
.theory-text-card p:last-child { margin-bottom: 0; }
.learning-body { min-height: 100vh; background: var(--paper); color: var(--ink); }.learning-app { min-height: 100svh; max-width: 760px; margin: 0 auto; }.learning-header { position: sticky; z-index: 5; top: 0; display: flex; align-items: center; gap: 12px; padding: max(12px, env(safe-area-inset-top)) 20px 12px; border-bottom: 1px solid var(--line); background: rgba(245,242,235,.94); backdrop-filter: blur(12px); }.learning-header .back-link { width: 34px; height: 34px; background: var(--ink); font-size: 21px; }.learning-header div { display: grid; gap: 2px; }.learning-header strong { font: 700 19px/1 Georgia, serif; }.learning-header span { color: var(--muted); font-size: 11px; }.learning-home, .learning-view { padding: 42px 20px 64px; }.learning-home h1, .learning-view h2 { max-width: 620px; font-size: clamp(42px, 11vw, 66px); }.learning-lead { max-width: 580px; color: #5e5954; font-size: 16px; line-height: 1.5; }.module-list { display: grid; gap: 10px; margin-top: 30px; }.module-card { display: grid; grid-template-columns: 36px 1fr auto; gap: 4px 12px; width: 100%; padding: 19px 17px; border: 1px solid var(--line); background: transparent; color: inherit; text-align: left; }.module-card:hover { border-color: var(--red); }.module-card span { grid-row: span 2; color: var(--red); font: 700 13px/1 Georgia, serif; }.module-card strong { font: 400 24px/1 Georgia, serif; }.module-card small { grid-column: 2 / 4; color: var(--muted); font-size: 12px; line-height: 1.35; }.module-card i { color: var(--green); font-size: 11px; font-style: normal; white-space: nowrap; }.text-back { padding: 0; border: 0; background: transparent; color: var(--red); font-weight: 700; }.theory-stack { display: grid; gap: 23px; margin-top: 30px; }.theory-card { margin: 0; background: white; box-shadow: 0 9px 24px rgba(29,29,27,.09); }.theory-card img { display: block; width: 100%; }.theory-card figcaption { padding: 10px 12px; color: var(--muted); font-size: 10px; }.start-test, .next-question, .reveal-answer { width: 100%; margin-top: 28px; padding: 16px; border: 0; background: var(--warm); color: var(--ink); font-weight: 800; text-align: left; }.quiz-app-card { margin-top: 25px; padding: 20px; background: var(--ink); color: white; }.quiz-app-card h2 { margin: 20px 0; font-size: clamp(30px, 8vw, 46px); }.quiz-art { display: grid; min-height: 230px; margin: 0 0 18px; padding: 10px; place-items: center; overflow: hidden; background: #11110f; }.quiz-art img { display: block; width: 100%; height: auto; max-height: 430px; object-fit: contain; object-position: center; transform: none; }.native-answers { display: grid; gap: 9px; }.native-answers button { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid rgba(255,255,255,.32); background: transparent; color: white; text-align: left; }.native-answers button b { display: grid; width: 24px; height: 24px; flex: 0 0 24px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.13); font-size: 11px; }.native-answers button.is-correct { border-color: #77c49b; background: #205b45; }.native-answers button.is-wrong { border-color: #d0806e; background: #703e35; }.quiz-feedback { margin-top: 17px; padding: 15px; border-left: 3px solid var(--warm); background: rgba(255,255,255,.09); color: rgba(255,255,255,.83); font-size: 14px; line-height: 1.45; }.quiz-feedback strong { color: var(--warm); }.quiz-feedback p { margin: 9px 0 0; }.next-question { background: var(--warm); }.reveal-answer { margin-top: 0; }
/* НОВОЕ ОФОРМЛЕНИЕ ТЕОРИИ */

.learning-body .theory-text-card {
    background: #252320 !important;
    color: #ffffff !important;
    padding: 40px !important;
    margin-bottom: 25px;
    border-left: 5px solid #e6b3a6;
    border-radius: 6px;
}

.learning-body .theory-text-card h3 {
    font-family: "Cormorant Garamond", Georgia, serif !important;
    font-size: 42px !important;
    color: #e6b3a6 !important;
}

.learning-body .theory-text-card p {
    font-family: "Manrope", Arial, sans-serif !important;
    font-size: 17px !important;
    line-height: 1.8 !important;
    color: #f5f2eb !important;
}

/* Картины в заданиях на узнавание автора */
.native-answers--visual {
  max-width: 520px;
  margin: 0 auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.native-answers--visual button {
  display: block;
  min-width: 0;
  padding: 0;
  overflow: hidden;
}

.native-answers--visual button img {
  display: block;
  width: 100%;
  height: 230px;
  background: #11110f;
  object-fit: cover;
  object-position: center;
  cursor: zoom-in;
}

.native-answers--visual button > span {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px;
}

.native-answers--visual button b {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .13);
  font-size: 11px;
}

@media (max-width: 430px) {
  .native-answers--visual button img { height: 170px; }
}

.quiz-art img { cursor: zoom-in; }
.artwork-lightbox { position: fixed; z-index: 50; inset: 0; display: grid; padding: 24px; place-items: center; background: rgba(0, 0, 0, .9); }.artwork-lightbox img { display: block; width: min(94vw, 1500px); height: min(86svh, 1120px); max-width: none; max-height: none; object-fit: contain; box-shadow: 0 20px 55px rgba(0, 0, 0, .45); }.artwork-lightbox button { position: fixed; top: max(18px, env(safe-area-inset-top)); right: 22px; width: 46px; height: 46px; border: 0; border-radius: 50%; background: white; color: #181816; font-size: 34px; line-height: 1; }.artwork-lightbox p { position: fixed; bottom: 18px; margin: 0; color: rgba(255, 255, 255, .7); font-size: 12px; }
/* =========================================
   ARTFOR EVERYONE — EDITORIAL DESIGN
   ========================================= */

/* Общий фон страницы */

.learning-body {
    background: #f5f2eb !important;
    color: #252320;
}

/* Убираем вид карточек */

.learning-body .theory-stack {
    gap: 0 !important;
}

.learning-body .theory-stack > .theory-text-card,
.learning-body .theory-stack > .theory-text-card:nth-child(even) {
    background: transparent !important;
    color: #252320 !important;

    box-shadow: none !important;
    border: none !important;
    border-bottom: 1px solid #d7cfc4 !important;
    border-radius: 0 !important;

    padding: 35px 5px 45px !important;
    margin: 0 !important;
}

/* Убираем декоративную полосу слева */

.learning-body .theory-text-card::before {
    display: none !important;
}

/* Скрываем надписи "Материал 3", "Материал 4" */

.learning-body .theory-text-card > span:first-child {
    display: none !important;
}

/* Маленькие заголовки разделов */

.learning-body .theory-text-card > h3,
.learning-body .theory-text-card:nth-child(even) > h3 {
    font-family: "Manrope", sans-serif !important;
    font-size: 12px !important;
    font-weight: 700 !important;

    letter-spacing: 0.15em !important;
    text-transform: uppercase;

    color: #a85747 !important;

    margin: 0 0 20px !important;
}

/* Основные заголовки материалов */

.learning-body .theory-text-card > p:first-of-type,
.learning-body .theory-text-card:nth-child(even) > p:first-of-type {
    font-family: "Cormorant Garamond", Georgia, serif !important;

    font-size: clamp(36px, 6vw, 54px) !important;
    font-weight: 600 !important;
    line-height: 1.08 !important;

    letter-spacing: -0.025em;

    color: #252320 !important;

    margin: 0 0 25px !important;
}

/* Основной текст */

.learning-body .theory-text-card > p,
.learning-body .theory-text-card:nth-child(even) > p {
    font-family: "Manrope", sans-serif !important;

    font-size: 16px !important;
    font-weight: 400 !important;
    line-height: 1.85 !important;

    color: #514b44 !important;

    margin-bottom: 20px !important;
}

/* Сохраняем крупный стиль заголовка */

.learning-body .theory-text-card > p:first-of-type,
.learning-body .theory-text-card:nth-child(even) > p:first-of-type {
    font-family: "Cormorant Garamond", Georgia, serif !important;
    font-size: clamp(36px, 6vw, 54px) !important;
    font-weight: 600 !important;
    line-height: 1.08 !important;
    color: #252320 !important;
}

/* Адаптация для телефонов */

@media (max-width: 600px) {
    .learning-body .theory-stack > .theory-text-card {
        padding: 28px 0 36px !important;
    }

    .learning-body .theory-text-card > p {
        font-size: 15px !important;
        line-height: 1.75 !important;
    }
}