:root {
  --ink: #173a31;
  --muted: #64776f;
  --green: #176a4f;
  --green-dark: #0f4d3b;
  --green-soft: #dcecdf;
  --cream: #f7f4ea;
  --paper: #fffef9;
  --line: #dfe5dc;
  --yellow: #f3c85b;
  --coral: #ed6a5a;
  --shadow: 0 18px 55px rgba(23, 58, 49, .11);
  --shadow-small: 0 8px 26px rgba(23, 58, 49, .08);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, textarea, select { color: inherit; font: inherit; }
button { border: 0; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
button, input, textarea, select, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid rgba(243, 200, 91, .8); outline-offset: 2px; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; clip-path: inset(50%); }

.page-width { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.narrow-page { width: min(880px, calc(100% - 48px)); margin-inline: auto; }
.site-header { position: sticky; z-index: 20; top: 0; display: flex; height: 76px; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(23,58,49,.1); padding: 0 max(24px, calc((100vw - 1180px)/2)); background: rgba(247,244,234,.92); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 11px; padding: 0; background: transparent; color: var(--ink); font-size: 21px; font-weight: 850; letter-spacing: -.04em; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 13px 13px 13px 4px; background: var(--green); }
.brand-mark svg { width: 27px; fill: none; stroke: #fff9dc; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.header-note { color: var(--muted); font-size: 12px; font-weight: 720; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.user-chip { display: flex; align-items: center; gap: 8px; margin-right: 5px; }
.user-avatar { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--green); color: white; font-size: 13px; font-weight: 850; }
.user-copy { display: grid; gap: 1px; }
.user-copy strong { max-width: 150px; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.user-copy small { color: var(--muted); font-size: 9px; }
.header-button { min-height: 37px; border: 1px solid var(--line); border-radius: 11px; padding: 0 13px; background: var(--paper); font-size: 10px; font-weight: 800; }
.header-button.admin { border-color: transparent; background: var(--green); color: white; }
.home-page, .topic-page { padding: 49px 0 100px; }
.kicker { margin: 0 0 10px; color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }

.hero { position: relative; display: grid; min-height: 390px; overflow: hidden; align-items: end; border: 1px solid rgba(23,58,49,.1); border-radius: 36px; grid-template-columns: 1.35fr .65fr; padding: 52px; background: radial-gradient(circle at 82% 0%, rgba(243,200,91,.44), transparent 22rem), radial-gradient(circle at 0 100%, rgba(115,175,187,.25), transparent 24rem), var(--paper); box-shadow: var(--shadow); }
.hero::after { position: absolute; top: -150px; right: -100px; width: 370px; height: 370px; border: 1px solid rgba(23,58,49,.08); border-radius: 50%; content: ""; }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(48px,6vw,78px); font-weight: 860; letter-spacing: -.067em; line-height: .98; }
.hero-lead { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.hero-stats { position: relative; z-index: 1; display: grid; align-self: stretch; border-left: 1px solid var(--line); margin: 0; padding-left: 38px; }
.hero-stats > div { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding-block: 18px; }
dt { color: var(--muted); font-size: 10px; font-weight: 830; letter-spacing: .08em; text-transform: uppercase; }
dd { margin: 0; font-size: 25px; font-weight: 850; letter-spacing: -.04em; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin: 55px 0 24px; }
.section-heading h2 { margin: 0; font-size: 32px; letter-spacing: -.04em; }
.section-heading > p { max-width: 380px; margin: 0; color: var(--muted); font-size: 12px; text-align: right; }
.topic-grid { display: grid; gap: 18px; grid-template-columns: repeat(3,1fr); }
.topic-card { --accent: #dcecdf; position: relative; display: flex; min-height: 410px; overflow: hidden; border: 1px solid rgba(23,58,49,.11); border-radius: 28px; align-items: flex-start; flex-direction: column; padding: 27px; background: var(--paper); box-shadow: 0 3px 0 rgba(23,58,49,.035); text-align: left; transition: transform 180ms ease, box-shadow 180ms ease; }
.topic-card:hover { box-shadow: var(--shadow-small); transform: translateY(-4px); }
.topic-card::before { position: absolute; top: -72px; right: -64px; width: 215px; height: 215px; border-radius: 50%; background: var(--accent); content: ""; opacity: .72; }
.accent-coral { --accent: #efb1a8; }
.accent-leaf { --accent: #bcd8bf; }
.accent-sun { --accent: #f4d36e; }
.accent-berry { --accent: #d9b8dc; }
.accent-ocean { --accent: #94c6ce; }
.topic-icon { position: relative; z-index: 1; display: grid; width: 64px; height: 64px; place-items: center; border-radius: 20px; background: rgba(255,255,255,.78); box-shadow: var(--shadow-small); font-size: 32px; }
.card-label { margin: 28px 0 7px; color: var(--green); font-size: 10px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.topic-card h2 { margin: 0; font-size: 29px; letter-spacing: -.045em; line-height: 1.08; }
.card-description { margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.card-stats { display: grid; width: 100%; gap: 18px; grid-template-columns: 1fr 1fr; margin: auto 0 0; padding-top: 23px; }
.card-stats > div { border-top: 1px solid var(--line); padding-top: 10px; }
.card-stats dd { margin-top: 2px; font-size: 18px; }
.card-link { margin-top: 20px; font-size: 12px; font-weight: 820; }

.topline { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 27px; color: var(--muted); font-size: 12px; font-weight: 720; }
.text-button { padding: 8px 0; background: transparent; color: var(--green); font-size: 13px; font-weight: 780; }
.topic-hero { --accent: #dcecdf; display: grid; min-height: 270px; align-items: end; gap: 30px; border: 1px solid rgba(23,58,49,.1); border-radius: 33px; grid-template-columns: auto 1fr auto; padding: 40px; background: linear-gradient(115deg, color-mix(in srgb,var(--accent) 42%,white), rgba(255,254,249,.95)); box-shadow: var(--shadow-small); }
.topic-hero-icon { display: grid; width: 98px; height: 98px; align-self: start; place-items: center; border-radius: 29px; background: rgba(255,255,255,.8); box-shadow: var(--shadow-small); font-size: 51px; }
.topic-hero h1 { margin: 0; font-size: clamp(42px,5vw,64px); font-weight: 860; letter-spacing: -.06em; line-height: 1; }
.topic-hero > div > p:last-child { max-width: 620px; margin: 18px 0 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.topic-hero-stats { display: grid; min-width: 190px; align-self: stretch; border-left: 1px solid rgba(23,58,49,.13); align-content: center; gap: 22px; grid-template-columns: 1fr 1fr; margin: 0; padding-left: 30px; }
.topic-hero-stats dd { margin-top: 5px; }
.test-heading { margin-top: 51px; }
.search-input { width: min(310px,42vw); min-height: 45px; border: 1px solid var(--line); border-radius: 14px; padding: 0 16px; background: var(--paper); font-size: 13px; }
.test-grid { display: grid; gap: 12px; grid-template-columns: repeat(2,1fr); }
.test-card { display: grid; min-height: 104px; align-items: center; gap: 17px; border: 1px solid var(--line); border-radius: 19px; grid-template-columns: auto 1fr auto; padding: 17px; background: var(--paper); text-align: left; transition: transform 160ms ease, box-shadow 160ms ease; }
.test-card:hover { border-color: #afbeb5; box-shadow: var(--shadow-small); transform: translateY(-2px); }
.test-number { display: grid; width: 49px; height: 49px; place-items: center; border-radius: 15px; background: var(--green-soft); color: var(--green-dark); font-size: 12px; font-weight: 850; }
.test-card h3 { margin: 0; font-size: 16px; line-height: 1.3; }
.test-card p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.saved-score { border-radius: 20px; padding: 7px 10px; background: #e4f1e7; color: var(--green-dark); font-size: 11px; }
.test-arrow { color: var(--green); font-size: 20px; }

.quiz-page, .result-page { padding: 47px 0 110px; }
.quiz-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; }
.quiz-heading p { margin: 0 0 8px; color: var(--muted); font-size: 13px; }
.quiz-heading strong { font-size: 23px; }
.quiz-heading > span { color: var(--green); font-size: 14px; font-weight: 850; }
.progress-track { height: 8px; overflow: hidden; border-radius: 10px; margin: 18px 0 28px; background: #dfe4dc; }
.progress-track i { display: block; height: 100%; border-radius: inherit; background: var(--green); transition: width 180ms ease; }
.question-card { border: 1px solid var(--line); border-radius: 27px; padding: 33px; background: var(--paper); box-shadow: var(--shadow-small); }
.question-number { display: inline-grid; width: 43px; height: 43px; place-items: center; border-radius: 14px; background: var(--green-soft); color: var(--green-dark); font-size: 12px; font-weight: 850; }
.self-badge { display: inline-flex; border-radius: 20px; margin-left: 9px; padding: 7px 10px; background: #fff0c8; color: #785c13; font-size: 10px; font-weight: 830; letter-spacing: .05em; text-transform: uppercase; }
.question-card h1 { margin: 24px 0 0; font-size: clamp(23px,3vw,32px); letter-spacing: -.035em; line-height: 1.35; }
.question-images { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit,minmax(min(240px,100%),1fr)); margin-top: 23px; }
.question-images img { width: 100%; height: auto; max-height: 540px; border: 1px solid var(--line); border-radius: 16px; object-fit: contain; background: white; }
.question-tables { display: grid; gap: 14px; margin: 24px 0 28px; }
.question-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: 0 8px 24px rgba(29,69,48,.06); }
.question-table { width: max-content; min-width: 100%; border-collapse: separate; border-spacing: 0; color: var(--ink); font-size: 13px; line-height: 1.48; }
.question-table th, .question-table td { min-width: 150px; max-width: 360px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 14px 16px; vertical-align: top; white-space: pre-line; overflow-wrap: anywhere; }
.question-table th { background: var(--green-soft); color: var(--green-dark); font-size: 11px; font-weight: 850; letter-spacing: .035em; text-align: left; text-transform: uppercase; }
.question-table th:last-child, .question-table td:last-child { border-right: 0; }
.question-table tr:last-child td, .question-table tr:last-child th { border-bottom: 0; }
.answer-list { display: grid; gap: 10px; border: 0; margin: 27px 0 0; padding: 0; }
.answer-hint { margin-bottom: 5px; color: var(--muted); font-size: 11px; font-weight: 700; }
.answer-list label { position: relative; display: grid; min-height: 63px; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 15px; grid-template-columns: auto 1fr auto; padding: 10px 14px; cursor: pointer; background: white; }
.answer-list label:hover, .answer-list label.selected { border-color: var(--green); background: #f0f7f2; }
.answer-list input { position: absolute; opacity: 0; pointer-events: none; }
.option-letter { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 11px; background: #eef1ec; font-size: 12px; font-weight: 850; }
.answer-list label.selected .option-letter { background: var(--green); color: white; }
.answer-list label > i { width: 18px; height: 18px; border: 2px solid #b8c2bb; border-radius: 50%; }
.answer-list.multiple label > i { border-radius: 5px; }
.answer-list label.selected > i { border: 5px solid var(--green); }
.answer-list.revealed label { cursor: default; }
.answer-list.revealed label:hover:not(.answer-correct):not(.answer-wrong) { border-color: var(--line); background: white; }
.answer-list label.answer-correct { border-color: #79ae85; background: #e7f5ea; }
.answer-list label.answer-correct .option-letter { background: var(--green); color: white; }
.answer-list label.answer-correct > i { border: 5px solid var(--green); }
.answer-list label.answer-wrong { border-color: #d99085; background: #fff0ed; }
.answer-list label.answer-wrong .option-letter { background: #a33f31; color: white; }
.answer-list label.answer-wrong > i { border: 5px solid #a33f31; }
.written-answer { display: grid; gap: 9px; margin-top: 26px; color: var(--ink); font-size: 12px; font-weight: 780; }
.written-answer input, .written-answer textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 15px; background: white; font-size: 15px; font-weight: 500; }
.written-answer input:disabled, .written-answer textarea:disabled { opacity: 1; background: #f4f6f2; color: var(--ink); }
.written-answer textarea { min-height: 155px; resize: vertical; line-height: 1.55; }
.written-answer small { color: var(--muted); font-size: 10px; font-weight: 600; }
.question-feedback { border: 1px solid #bfd9c5; border-radius: 18px; margin-top: 26px; padding: 20px; background: #f2faf4; }
.question-feedback.wrong { border-color: #ecc6c0; background: #fff6f4; }
.question-feedback.self { border-color: #e6d8ad; background: #fffdf5; }
.question-feedback-heading { display: flex; align-items: center; gap: 10px; color: var(--green-dark); }
.question-feedback.wrong .question-feedback-heading { color: #a33f31; }
.question-feedback.self .question-feedback-heading { color: #785c13; }
.question-feedback-status { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 50%; background: #d8eadc; font-size: 15px; font-weight: 850; }
.question-feedback.wrong .question-feedback-status { background: #f8d9d4; }
.question-feedback.self .question-feedback-status { background: var(--yellow); color: var(--ink); }
.question-feedback .answer-comparison { margin-top: 16px; }
.question-feedback .question-images { margin-top: 16px; }
.quiz-controls { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 20px; }
.answered-count { color: var(--muted); font-size: 11px; font-weight: 700; }
.button { display: inline-flex; min-height: 47px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 14px; padding: 0 20px; font-size: 13px; font-weight: 790; text-decoration: none; }
.button:hover:not(:disabled) { transform: translateY(-2px); }
.button.primary { background: var(--green); box-shadow: 0 8px 20px rgba(23,106,79,.2); color: white; }
.button.primary:hover:not(:disabled) { background: var(--green-dark); }
.button.secondary { border-color: var(--line); background: var(--paper); }
.button.tertiary { background: var(--green-soft); color: var(--green-dark); }
.button.danger { background: #9d4035; box-shadow: 0 8px 20px rgba(157,64,53,.16); color: white; }
.button.danger:hover:not(:disabled) { background: #81342c; }
.button.small { min-height: 38px; border-radius: 11px; padding-inline: 14px; font-size: 10px; }

.result-hero { display: grid; align-items: center; gap: 25px; border: 1px solid var(--line); border-radius: 28px; grid-template-columns: auto 1fr auto; padding: 28px; background: var(--paper); box-shadow: var(--shadow-small); }
.score-ring { --score: 0deg; position: relative; display: grid; width: 142px; height: 142px; place-items: center; border-radius: 50%; background: conic-gradient(var(--green) var(--score), #e4e9e2 0); }
.score-ring::before { position: absolute; width: 112px; height: 112px; border-radius: 50%; background: var(--paper); content: ""; }
.score-ring > div { position: relative; z-index: 1; text-align: center; }
.score-ring strong, .score-ring span { display: block; }
.score-ring strong { font-size: 28px; letter-spacing: -.04em; }
.score-ring span { margin-top: 2px; color: var(--muted); font-size: 10px; }
.result-copy h1 { margin: 0; font-size: 32px; letter-spacing: -.04em; }
.result-copy > p:not(.kicker) { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.result-copy small { display: block; margin-top: 10px; color: var(--muted); font-size: 10px; }
.result-actions { display: flex; gap: 9px; flex-direction: column; }
.review-heading { margin-top: 54px; }
.review-list { display: grid; gap: 15px; }
.review { display: grid; gap: 16px; border: 1px solid var(--line); border-radius: 20px; grid-template-columns: auto 1fr; padding: 22px; background: var(--paper); }
.review.correct { border-color: #bfd9c5; }
.review.wrong { border-color: #ecc6c0; }
.review.self { border-color: #e6d8ad; background: #fffdf5; }
.review-status { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 50%; background: #d8eadc; color: var(--green-dark); font-size: 17px; font-weight: 850; }
.review.wrong .review-status { background: #f8d9d4; color: #a33f31; }
.review.self .review-status { background: var(--yellow); color: var(--ink); }
.review-content > small { color: var(--muted); font-size: 10px; font-weight: 780; text-transform: uppercase; }
.review-content h3 { margin: 7px 0 0; font-size: 17px; line-height: 1.45; }
.answer-comparison { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; margin-top: 18px; }
.answer-comparison > div { border: 1px solid var(--line); border-radius: 13px; padding: 14px; background: white; }
.answer-comparison span, .answer-comparison strong { display: block; }
.answer-comparison span { margin-bottom: 6px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.answer-comparison strong { font-size: 12px; line-height: 1.65; white-space: pre-wrap; }
.explanation { border-radius: 14px; margin-top: 14px; padding: 15px; background: #eff5f0; }
.explanation > strong { font-size: 11px; }
.explanation p { margin: 7px 0 0; color: #4f665d; font-size: 12px; line-height: 1.65; white-space: pre-wrap; }

.loading { display: grid; min-height: 55vh; place-content: center; justify-items: center; color: var(--muted); }
.loader { display: flex; gap: 5px; }
.loader i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: bounce .85s infinite alternate; }
.loader i:nth-child(2) { animation-delay: .15s; }
.loader i:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { to { opacity: .25; transform: translateY(-7px); } }
.empty-state { display: grid; min-height: 55vh; place-content: center; justify-items: center; text-align: center; }
.empty-state.compact { min-height: 260px; grid-column: 1/-1; }
.empty-icon { font-size: 44px; }
.empty-state h1, .empty-state h3 { margin: 13px 0 6px; }
.empty-state p { max-width: 560px; margin: 0; color: var(--muted); line-height: 1.6; }
.noscript { margin: 30px; text-align: center; }

/* Авторизация */
.auth-page { display: grid; min-height: calc(100vh - 76px); padding-block: 46px 70px; place-items: center; }
.auth-shell { display: grid; width: 100%; overflow: hidden; border: 1px solid rgba(23,58,49,.1); border-radius: 34px; grid-template-columns: 1.08fr .92fr; background: var(--paper); box-shadow: var(--shadow); }
.auth-intro { display: flex; min-height: 570px; justify-content: center; flex-direction: column; padding: 58px; background: radial-gradient(circle at 8% 10%, rgba(243,200,91,.45), transparent 19rem), radial-gradient(circle at 100% 100%, rgba(148,198,206,.45), transparent 24rem), #edf5ed; }
.auth-intro h1 { max-width: 620px; margin: 0; font-size: clamp(42px,5vw,68px); letter-spacing: -.06em; line-height: 1; }
.auth-intro > p:not(.kicker) { max-width: 580px; margin: 24px 0 0; color: var(--muted); line-height: 1.75; }
.auth-facts { display: grid; gap: 18px; grid-template-columns: repeat(3,1fr); margin: 54px 0 0; }
.auth-facts > div { border-top: 1px solid rgba(23,58,49,.17); padding-top: 12px; }
.auth-facts dd { margin-top: 4px; font-size: 21px; }
.auth-card { align-self: center; padding: 48px; }
.auth-card h1, .auth-card h2 { margin: 0; font-size: 30px; letter-spacing: -.04em; }
.auth-tabs { display: grid; gap: 5px; grid-template-columns: 1fr 1fr; border-radius: 13px; margin-bottom: 34px; padding: 4px; background: #edf1eb; }
.auth-tabs button { min-height: 40px; border-radius: 10px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 820; }
.auth-tabs button.active { background: white; box-shadow: 0 4px 12px rgba(23,58,49,.08); color: var(--ink); }
.auth-lead { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.auth-form { display: grid; gap: 15px; margin-top: 27px; }
.auth-form label { display: grid; gap: 7px; color: var(--ink); font-size: 11px; font-weight: 780; }
.auth-form input, .admin-field input, .admin-field textarea, .admin-field select { width: 100%; border: 1px solid var(--line); border-radius: 13px; padding: 13px 14px; background: white; font-size: 13px; font-weight: 500; }
.auth-form input { min-height: 48px; }
.auth-form label small, .form-help { color: var(--muted); font-size: 9px; font-weight: 600; line-height: 1.5; }
.auth-form .button { width: 100%; margin-top: 4px; }
.form-message { display: none; border-radius: 12px; padding: 11px 13px; font-size: 11px; line-height: 1.5; }
.form-message.error, .form-message.success { display: block; }
.form-message.error { border: 1px solid #efc5be; background: #fff0ed; color: #8b3429; }
.form-message.success { border: 1px solid #bad8c1; background: #edf8f0; color: var(--green-dark); }
.setup-header .brand { text-decoration: none; }
.setup-card { width: min(560px,100%); border: 1px solid var(--line); border-radius: 26px; background: var(--paper); box-shadow: var(--shadow); }
.setup-card .button { margin-top: 24px; }
.setup-card code { border-radius: 5px; padding: 2px 5px; background: #edf1eb; font-size: .9em; }

/* Каталог с пользовательскими тестами */
.test-title-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.custom-badge { border-radius: 20px; padding: 4px 7px; background: #fff1c7; color: #745812; font-size: 8px; font-weight: 850; letter-spacing: .03em; text-transform: uppercase; }
.custom-badge.modified { background: #e4f1e7; color: var(--green-dark); }
.score-save-status { color: var(--muted); }
.score-save-status.saved { color: var(--green); }
.score-save-status.error { color: #a33f31; }

/* Профиль и прогресс ученика */
.progress-page { padding: 45px 0 100px; }
.progress-hero { display: grid; align-items: end; gap: 38px; border: 1px solid rgba(23,58,49,.1); border-radius: 31px; grid-template-columns: minmax(0,1fr) minmax(520px,1.25fr); padding: 42px; background: radial-gradient(circle at 100% 0, rgba(148,198,206,.34), transparent 22rem), var(--paper); box-shadow: var(--shadow-small); }
.progress-hero h1 { margin: 0; font-size: clamp(42px,5vw,66px); letter-spacing: -.06em; line-height: 1; }
.progress-hero-copy > p:not(.kicker) { max-width: 560px; margin: 17px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.progress-stats { display: grid; gap: 14px; grid-template-columns: repeat(2,1fr); margin: 0; }
.progress-stats > div { min-height: 94px; border: 1px solid var(--line); border-radius: 17px; padding: 17px; background: rgba(255,255,255,.72); }
.progress-stats dd { margin-top: 8px; font-size: 23px; }
.progress-completion { border: 1px solid var(--line); border-radius: 21px; margin-top: 20px; padding: 22px 24px 14px; background: var(--paper); }
.progress-completion-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.progress-completion-heading > div { display: grid; gap: 4px; }
.progress-completion-heading > div strong { font-size: 14px; }
.progress-completion-heading span { color: var(--muted); font-size: 10px; }
.progress-completion-heading > strong { color: var(--green); font-size: 20px; }
.profile-progress-track { margin: 15px 0 0; }
.progress-heading { margin-top: 48px; }
.progress-results { display: grid; gap: 11px; }
.progress-result-card { display: grid; align-items: center; gap: 22px; border: 1px solid var(--line); border-left-width: 5px; border-radius: 18px; grid-template-columns: minmax(0,1fr) auto auto; padding: 18px 20px; background: var(--paper); box-shadow: 0 4px 18px rgba(23,58,49,.04); }
.progress-result-card.score-high { border-left-color: var(--green); }
.progress-result-card.score-medium { border-left-color: var(--yellow); }
.progress-result-card.score-low { border-left-color: var(--coral); }
.progress-result-copy { min-width: 0; }
.progress-topic { color: var(--green); font-size: 9px; font-weight: 830; letter-spacing: .07em; text-transform: uppercase; }
.progress-result-copy h3 { margin: 5px 0 0; font-size: 15px; line-height: 1.35; }
.progress-result-copy p { margin: 6px 0 0; color: var(--muted); font-size: 10px; }
.progress-date { color: var(--muted); font-size: 10px; white-space: nowrap; }
.progress-score { min-width: 62px; border-radius: 20px; padding: 9px 11px; background: var(--green-soft); color: var(--green-dark); font-size: 13px; text-align: center; }
.score-medium .progress-score { background: #fff1c7; color: #745812; }
.score-low .progress-score { background: #f8d9d4; color: #923c31; }
.progress-empty .button { margin-top: 20px; }

/* Админ-панель */
.admin-page { padding: 45px 0 100px; }
.admin-topline { margin-bottom: 24px; }
.text-button.danger, .icon-button.danger { color: #a33f31; }
.admin-hero { display: grid; align-items: end; gap: 40px; border: 1px solid rgba(23,58,49,.1); border-radius: 31px; grid-template-columns: 1fr auto; padding: 42px; background: radial-gradient(circle at 100% 0, rgba(243,200,91,.38), transparent 22rem), var(--paper); box-shadow: var(--shadow-small); }
.admin-hero h1 { margin: 0; font-size: clamp(42px,5vw,66px); letter-spacing: -.06em; line-height: 1; }
.admin-hero p:not(.kicker) { max-width: 690px; margin: 18px 0 0; color: var(--muted); line-height: 1.7; }
.admin-stats { display: grid; min-width: 355px; gap: 18px; grid-template-columns: repeat(3,1fr); margin: 0; }
.admin-stats > div { border-left: 1px solid var(--line); padding-left: 20px; }
.admin-stats dd { margin-top: 5px; }
.admin-layout { margin-top: 26px; }
.admin-panel { border: 1px solid var(--line); border-radius: 23px; padding: 27px; background: var(--paper); box-shadow: 0 7px 24px rgba(23,58,49,.055); }
.admin-panel h2 { margin: 0; font-size: 27px; letter-spacing: -.04em; }
.builder-title-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.admin-panel-lead { margin: 9px 0 20px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.admin-form { display: grid; gap: 20px; margin-top: 24px; }
.admin-form-grid { display: grid; gap: 15px; }
.admin-form-grid.two-columns { grid-template-columns: 1fr 1.35fr; }
.admin-field { display: grid; gap: 7px; color: var(--ink); font-size: 10px; font-weight: 790; }
.admin-field textarea { resize: vertical; line-height: 1.55; }
.admin-field small { color: var(--muted); font-size: 9px; font-weight: 600; line-height: 1.5; }
.builder-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 22px; font-size: 17px; font-weight: 850; }
.question-editor-list { display: grid; gap: 14px; }
.question-editor { display: grid; gap: 16px; border: 1px solid var(--line); border-radius: 18px; padding: 20px; background: #fbfcf7; }
.question-editor-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.question-editor-header h3 { margin: 0; font-size: 16px; }
.options-editor { display: grid; gap: 11px; border-radius: 15px; padding: 15px; background: #edf3eb; }
.options-label { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.options-label strong { font-size: 11px; }
.options-label small { color: var(--muted); font-size: 9px; }
.option-editor-list { display: grid; gap: 8px; }
.option-editor-row { display: grid; align-items: center; gap: 8px; grid-template-columns: auto 1fr auto; }
.option-editor-row > input[type="checkbox"], .option-editor-row > input[type="radio"] { width: 18px; height: 18px; accent-color: var(--green); }
.option-editor-row > input[type="text"] { min-width: 0; border: 1px solid var(--line); border-radius: 10px; padding: 10px 11px; background: white; font-size: 11px; }
.icon-button { padding: 7px; background: transparent; font-size: 9px; font-weight: 760; }
.question-media-editor, .question-tables-editor { display: grid; gap: 12px; border: 1px solid #dce5dc; border-radius: 15px; padding: 15px; background: #f5f8f2; }
.question-subeditor-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.question-subeditor-heading > div { display: grid; gap: 3px; }
.question-subeditor-heading strong { font-size: 11px; }
.question-subeditor-heading small { color: var(--muted); font-size: 9px; font-weight: 600; line-height: 1.45; }
.media-upload-status { display: none; border-radius: 9px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.media-upload-status:not(:empty) { display: block; }
.media-upload-status.error { color: #a33f31; }
.media-upload-status.success { color: var(--green-dark); }
.media-preview-list { display: grid; gap: 8px; }
.media-preview-card { display: grid; align-items: center; gap: 11px; border: 1px solid var(--line); border-radius: 12px; grid-template-columns: 70px minmax(0,1fr) auto; padding: 8px; background: white; }
.media-preview-image { width: 70px; height: 54px; border-radius: 8px; background: #edf1eb; object-fit: contain; }
.media-preview-copy { display: grid; min-width: 0; gap: 3px; }
.media-preview-copy strong { overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.media-preview-copy small { color: var(--muted); font-size: 9px; }
.table-editor-list { display: grid; gap: 11px; }
.table-editor-card { display: grid; gap: 10px; border: 1px solid var(--line); border-radius: 13px; padding: 12px; background: white; }
.table-editor-title { font-size: 10px; }
.table-editor-controls { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.table-editor-controls .text-button { margin-left: auto; }
.table-editor-viewport { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.table-editor-grid { width: max-content; min-width: 100%; border-collapse: collapse; }
.table-editor-grid th, .table-editor-grid td { min-width: 145px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 0; }
.table-editor-grid th { background: var(--green-soft); }
.table-editor-grid tr:last-child th, .table-editor-grid tr:last-child td { border-bottom: 0; }
.table-editor-grid th:last-child, .table-editor-grid td:last-child { border-right: 0; }
.table-editor-grid textarea { display: block; width: 100%; min-height: 58px; border: 0; border-radius: 0; padding: 10px; background: transparent; font: inherit; font-size: 10px; line-height: 1.4; resize: vertical; }
.table-editor-grid textarea:focus { position: relative; z-index: 1; outline: 2px solid var(--green); outline-offset: -2px; }
.admin-existing { margin-top: 30px; }
.admin-test-list { display: grid; gap: 10px; }
.admin-test-row { display: grid; align-items: center; gap: 16px; border: 1px solid var(--line); border-radius: 16px; grid-template-columns: 1fr auto auto; padding: 16px 18px; background: var(--paper); }
.admin-test-row.inactive { opacity: .66; }
.admin-test-row h3 { margin: 0; font-size: 14px; }
.admin-test-row p { margin: 5px 0 0; color: var(--muted); font-size: 10px; }
.admin-test-actions { display: flex; align-items: center; gap: 8px; }
.state-badge { border-radius: 20px; padding: 6px 9px; background: #eceeea; color: var(--muted); font-size: 8px; font-weight: 850; text-transform: uppercase; }
.state-badge.active { background: var(--green-soft); color: var(--green-dark); }
.state-badge.modified { background: #fff0c8; color: #785c13; }
.base-test-toolbar { display: grid; gap: 15px; grid-template-columns: minmax(230px,.8fr) minmax(260px,1.2fr); margin: 18px 0 10px; }
.base-test-toolbar .search-input { width: 100%; }
.admin-empty { border: 1px dashed #b8c4bb; border-radius: 18px; padding: 32px; text-align: center; }
.admin-empty p { margin: 6px 0 0; color: var(--muted); font-size: 11px; }
.admin-progress-section { border: 1px solid var(--line); border-radius: 25px; margin-top: 26px; padding: 28px; background: var(--paper); box-shadow: 0 7px 24px rgba(23,58,49,.055); }
.admin-progress-heading { margin: 0 0 10px; }
.admin-progress-search { width: min(360px,45vw); }
.admin-progress-note { margin: 0 0 19px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.student-progress-list { display: grid; gap: 9px; }
.student-progress-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fbfcf7; }
.student-progress-card.inactive { opacity: .72; }
.student-progress-summary { display: grid; align-items: center; gap: 18px; grid-template-columns: minmax(210px,1fr) auto minmax(145px,auto) auto; padding: 16px 18px; cursor: pointer; list-style: none; }
.student-progress-summary::-webkit-details-marker { display: none; }
.student-progress-summary:hover { background: #f3f7f1; }
.student-progress-identity { display: grid; min-width: 0; gap: 3px; }
.student-progress-identity strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.student-progress-identity span { overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.student-progress-identity small { color: #a33f31; font-size: 8px; font-weight: 750; }
.student-progress-quick-stats { display: flex; gap: 18px; }
.student-progress-quick-stats > span { display: grid; gap: 3px; text-align: right; }
.student-progress-quick-stats small { color: var(--muted); font-size: 8px; font-weight: 750; text-transform: uppercase; }
.student-progress-quick-stats strong { font-size: 12px; }
.student-progress-activity { color: var(--muted); font-size: 9px; white-space: nowrap; }
.student-progress-chevron { color: var(--green); font-size: 17px; transition: transform 160ms ease; }
.student-progress-card[open] .student-progress-chevron { transform: rotate(180deg); }
.student-progress-body { border-top: 1px solid var(--line); padding: 18px; background: white; }
.student-progress-facts { display: grid; gap: 12px; grid-template-columns: repeat(3,1fr); margin: 0 0 16px; }
.student-progress-facts > div { border-radius: 12px; padding: 12px; background: #f1f5ef; }
.student-progress-facts dd { margin-top: 5px; font-size: 11px; letter-spacing: 0; }
.student-score-list { display: grid; gap: 7px; }
.student-score-row { display: grid; align-items: center; gap: 15px; border: 1px solid var(--line); border-left-width: 4px; border-radius: 13px; grid-template-columns: minmax(0,1fr) auto auto; padding: 12px 14px; }
.student-score-row.score-high { border-left-color: var(--green); }
.student-score-row.score-medium { border-left-color: var(--yellow); }
.student-score-row.score-low { border-left-color: var(--coral); }
.student-score-row > div { display: grid; min-width: 0; gap: 3px; }
.student-score-row > div small { color: var(--green); font-size: 8px; font-weight: 800; text-transform: uppercase; }
.student-score-row > div strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.student-score-row > div span, .student-score-row time { color: var(--muted); font-size: 8px; }
.student-score-row time { white-space: nowrap; }
.student-score-badge { min-width: 52px; border-radius: 20px; padding: 7px 9px; background: var(--green-soft); color: var(--green-dark); font-size: 10px; text-align: center; }
.student-score-row.score-medium .student-score-badge { background: #fff1c7; color: #745812; }
.student-score-row.score-low .student-score-badge { background: #f8d9d4; color: #923c31; }
.student-score-empty { padding: 24px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-stats { border-top: 1px solid var(--line); border-left: 0; grid-template-columns: repeat(3,1fr); padding: 15px 0 0; }
  .hero-stats > div { display: block; border-bottom: 0; }
  .topic-grid { grid-template-columns: repeat(2,1fr); }
  .topic-hero { grid-template-columns: auto 1fr; }
  .topic-hero-stats { border-top: 1px solid rgba(23,58,49,.13); border-left: 0; grid-column: 1/-1; padding: 22px 0 0; }
  .result-hero { grid-template-columns: auto 1fr; }
  .result-actions { grid-column: 1/-1; flex-direction: row; }
  .header-note { display: none; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-intro { min-height: 420px; }
  .progress-hero { grid-template-columns: 1fr; }
  .student-progress-summary { grid-template-columns: minmax(180px,1fr) auto auto; }
  .student-progress-activity { display: none; }
}

@media (max-width: 720px) {
  .page-width, .narrow-page { width: min(100% - 30px,620px); }
  .site-header { height: 68px; padding-inline: 15px; }
  .brand { gap: 7px; font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 10px 10px 10px 3px; }
  .header-note { display: none; }
  .user-copy { display: none; }
  .header-actions { gap: 5px; }
  .header-button { padding-inline: 9px; }
  .header-button#progress-button { position: relative; max-width: 43px; overflow: hidden; color: transparent; }
  .header-button#progress-button::after { position: absolute; inset: 0; display: grid; place-items: center; color: var(--green-dark); content: "▥"; font-size: 17px; }
  .header-button.admin { max-width: 45px; overflow: hidden; color: transparent; position: relative; }
  .header-button.admin::after { position: absolute; inset: 0; display: grid; place-items: center; color: white; content: "⚙"; }
  .home-page, .topic-page, .quiz-page, .result-page { padding-top: 31px; }
  .hero, .topic-hero { min-height: 0; border-radius: 24px; padding: 28px 21px; }
  .hero h1 { font-size: clamp(42px,13vw,61px); }
  .hero-lead { font-size: 15px; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stats > div { display: flex; }
  .section-heading, .test-heading { align-items: stretch; flex-direction: column; }
  .section-heading > p { text-align: left; }
  .topic-grid, .test-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 380px; }
  .topic-hero { grid-template-columns: 1fr; }
  .topic-hero-icon { width: 76px; height: 76px; font-size: 39px; }
  .topic-hero h1 { font-size: clamp(40px,13vw,56px); }
  .topic-hero-stats { grid-column: auto; }
  .search-input { width: 100%; }
  .question-card { border-radius: 21px; padding: 24px 18px; }
  .quiz-controls { align-items: stretch; flex-wrap: wrap; }
  .answered-count { order: -1; width: 100%; text-align: center; }
  .quiz-controls .button { flex: 1; padding-inline: 10px; }
  .result-hero { justify-items: center; grid-template-columns: 1fr; padding: 25px 19px; text-align: center; }
  .result-actions { width: 100%; grid-column: auto; flex-direction: column; }
  .answer-comparison { grid-template-columns: 1fr; }
  .review { padding: 17px; }
  .auth-page { min-height: calc(100vh - 68px); padding-block: 20px 45px; }
  .auth-shell { border-radius: 24px; }
  .auth-intro { min-height: 0; padding: 32px 23px; }
  .auth-intro h1 { font-size: clamp(38px,12vw,56px); }
  .auth-facts { margin-top: 34px; }
  .auth-card { padding: 28px 22px; }
  .setup-card { padding: 28px 22px; }
  .admin-page { padding-top: 28px; }
  .progress-page { padding-top: 28px; }
  .progress-hero { border-radius: 24px; padding: 28px 22px; }
  .progress-stats { grid-template-columns: 1fr; }
  .progress-result-card { align-items: start; grid-template-columns: 1fr auto; padding: 16px; }
  .progress-date { grid-column: 1; grid-row: 2; }
  .progress-score { grid-column: 2; grid-row: 1/3; }
  .admin-hero { grid-template-columns: 1fr; padding: 28px 22px; }
  .admin-stats { min-width: 0; }
  .admin-form-grid.two-columns { grid-template-columns: 1fr; }
  .admin-panel { padding: 21px 17px; }
  .builder-title-row { align-items: stretch; flex-direction: column; }
  .builder-title-row .button { align-self: flex-start; }
  .builder-section-heading { align-items: stretch; flex-direction: column; }
  .option-editor-row { grid-template-columns: auto 1fr; }
  .option-editor-row .icon-button { grid-column: 2; justify-self: start; }
  .question-subeditor-heading { align-items: stretch; flex-direction: column; }
  .question-subeditor-heading .button { align-self: flex-start; }
  .media-preview-card { align-items: start; grid-template-columns: 64px 1fr; }
  .media-preview-image { width: 64px; height: 52px; }
  .media-preview-card .icon-button { grid-column: 2; justify-self: start; }
  .table-editor-controls .text-button { width: 100%; margin-left: 0; text-align: left; }
  .admin-test-row { align-items: start; grid-template-columns: 1fr auto; }
  .admin-test-actions { width: 100%; grid-column: 1/-1; }
  .admin-test-actions .button { flex: 1; padding-inline: 10px; }
  .base-test-toolbar { grid-template-columns: 1fr; }
  .admin-progress-section { padding: 21px 17px; }
  .admin-progress-search { width: 100%; }
  .student-progress-summary { grid-template-columns: minmax(0,1fr) auto; }
  .student-progress-quick-stats { grid-column: 1/-1; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 11px; }
  .student-progress-quick-stats > span { text-align: left; }
  .student-progress-facts { grid-template-columns: 1fr; }
  .student-score-row { align-items: start; grid-template-columns: 1fr auto; }
  .student-score-row time { grid-column: 1; grid-row: 2; }
  .student-score-badge { grid-column: 2; grid-row: 1/3; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Live counters and test retake controls (v14 update) */
.topline-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.restart-test-btn { color: var(--muted); font-size: 11px; font-weight: 600; padding: 4px 8px; border-radius: 8px; }
.restart-test-btn:hover { color: var(--coral, #a33f31); background: rgba(0,0,0,0.03); }

.quiz-live-counters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.live-pill { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 9999px; font-size: 11px; font-weight: 600; border: 1px solid transparent; }
.live-pill strong { font-weight: 800; }
.live-pill .pill-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-correct { background: #eef7f0; color: var(--green-dark); border-color: #cde7d3; }
.pill-partial { background: #fff9e6; color: #8a6a16; border-color: #fae4a8; }
.pill-wrong { background: #fff2f0; color: #a33f31; border-color: #f5cdc8; }
.pill-self { background: #f0f4f8; color: #3b5266; border-color: #d4e0eb; }

.question-feedback.partial { border-color: #fae4a8; background: #fffdf5; }
.question-feedback.partial .question-feedback-heading { color: #8a6a16; }
.question-feedback.partial .question-feedback-status { background: #fef0c7; color: #785c13; }
.feedback-partial-note { font-size: 11px; color: #8a6a16; margin-left: auto; font-weight: 500; }
.feedback-actions { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(0,0,0,0.06); display: flex; }
.reset-answer-btn { color: var(--muted); font-size: 11px; font-weight: 700; padding: 2px 0; }
.reset-answer-btn:hover { color: var(--ink); text-decoration: underline; }

.result-summary-pills { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.guest-result-notice { border: 1px dashed var(--line); border-radius: 14px; padding: 12px 16px; background: #fbfdfa; text-align: center; font-size: 12px; color: var(--muted); margin-top: 14px; }
.text-link-inline { background: none; border: none; padding: 0; font: inherit; color: var(--green-dark); font-weight: 700; text-decoration: underline; cursor: pointer; display: inline; }
.text-link-inline:hover { color: var(--green); }
.auth-skip-btn { margin-bottom: 12px; font-size: 12px; color: var(--muted); }
.auth-skip-btn:hover { color: var(--ink); }

.review.partial { border-left-color: #fae4a8; }
.review.partial .review-status { background: #fef0c7; color: #785c13; }