/* ОЛИМП. Общие компоненты, интерфейс участника и рабочее пространство. */
@font-face { font-family: Inter; src: url('../fonts/InterVariable.woff2') format('woff2'); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
:root {
    --olimp-bg: #f6f8fb;
    --olimp-surface: #fff;
    --olimp-border: #dfe5ee;
    --olimp-primary: #2458d3;
    --olimp-ink: #172033;
    --olimp-muted: #526077;
    --olimp-success: #146545;
    --olimp-warning: #875500;
    --olimp-danger: #b32936;
    --olimp-radius: 12px;
    --bs-body-font-family: Inter, system-ui, sans-serif;
    --bs-body-color: var(--olimp-ink);
    --bs-secondary-color: var(--olimp-muted);
    --bs-link-color: var(--olimp-primary);
    --bs-link-hover-color: #173e9b;
    --bs-border-color: var(--olimp-border);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body.olimp-body { min-height: 100vh; display: flex; flex-direction: column; background: var(--olimp-bg); color: var(--olimp-ink); font-family: Inter, system-ui, sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { color: var(--olimp-ink); font-weight: 650; line-height: 1.25; letter-spacing: -.025em; }
h1 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }
a { text-underline-offset: .2em; }
a, button, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #2458d3; outline-offset: 4px; }
[tabindex='-1']:focus:not(:focus-visible) { outline: none; }
.icon { width: 20px; height: 20px; flex: 0 0 20px; vertical-align: middle; }
.small, small { font-size: .875rem; }
.site-container { max-width: 1200px; padding-left: 28px; padding-right: 28px; }
.page-content { padding-top: 36px; padding-bottom: 64px; }
.olimp-main { flex: 1 0 auto; min-width: 0; }
.skip-link { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { position: fixed; width: auto; height: auto; top: 12px; left: 20px; padding: 12px 20px; clip-path: none; white-space: normal; background: #fff; z-index: 2000; border: 2px solid var(--olimp-primary); border-radius: 8px; }
.site-header { background: #fff; border-bottom: 1px solid var(--olimp-border); }
.olimp-navbar { min-height: 84px; padding: 14px 0; }
.navbar-brand { display: inline-flex; align-items: center; gap: 12px; margin-right: 36px; padding: 0; color: var(--olimp-ink); }
.brand-symbol { flex: 0 0 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { letter-spacing: .12em; font-size: 1.15rem; font-weight: 800; }
.brand-text small { font-size: .7rem; color: var(--olimp-muted); margin-top: 3px; white-space: normal; max-width: 230px; }
.main-links { gap: 6px; }
.olimp-navbar .nav-link { padding: 10px 14px !important; font-size: .875rem; font-weight: 550; border-radius: 7px; color: var(--olimp-muted); }
.olimp-navbar .nav-link:hover { color: var(--olimp-primary); background: #f6f8fb; }
.olimp-navbar .nav-link.active { color: #1e4bb7; background: #edf2fe; }
.account-navigation { display: flex; align-items: center; gap: 22px; margin-left: 28px; }
.login-link { color: var(--olimp-ink); font-size: .875rem; font-weight: 550; text-decoration: none; }
.account-button { display: flex; align-items: center; gap: 10px; border: 0; background: transparent; padding: 5px; border-radius: 8px; color: var(--olimp-ink); font-size: .875rem; }
.account-name { max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.avatar { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: #edf2fe; color: #1e4bb7; font-weight: 650; flex-shrink: 0; }
.dropdown-menu { padding: 8px; border-color: var(--olimp-border); border-radius: 10px; box-shadow: 0 12px 36px #17203314; min-width: 240px; }
.dropdown-item { padding: 9px 12px; font-size: .875rem; border-radius: 5px; }
.navbar-toggler { min-width: 44px; min-height: 44px; border-color: var(--olimp-border); }
.olimp-footer { border-top: 1px solid var(--olimp-border); background: #fff; color: var(--olimp-muted); font-size: .8rem; }
.footer-inner { display: flex; align-items: center; gap: 24px; padding-top: 24px; padding-bottom: 24px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--olimp-ink); text-decoration: none; letter-spacing: .07em; }
.footer-copyright { margin-left: auto; }

/* Тексты, заголовки и общие компоненты. */
.eyebrow { display: block; font-size: .75rem; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; color: var(--olimp-primary); margin-bottom: 14px; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.page-heading h1 { margin-bottom: 10px; }
.page-heading p { margin: 0; color: var(--olimp-muted); max-width: 68ch; }
.page-heading .btn { flex-shrink: 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 24px; }
.section-heading h2 { margin: 0; }
.section-heading p { max-width: 48ch; color: var(--olimp-muted); margin: 0; font-size: .9rem; }
.section-block { margin-top: 64px; }
.breadcrumb-line { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; font-size: .8rem; color: var(--olimp-muted); margin-bottom: 24px; }
.breadcrumb-line a { color: var(--olimp-muted); text-decoration: none; }
.breadcrumb-line a:hover { color: var(--olimp-primary); }
.breadcrumb-line .icon { width: 15px; height: 15px; flex-basis: 15px; }
.olimp-card { background: #fff; border: 1px solid var(--olimp-border); border-radius: var(--olimp-radius); overflow: hidden; }
.olimp-card .card-body { padding: 24px; }
.olimp-card .card-header { padding: 18px 24px; background: #fff; border-bottom: 1px solid var(--olimp-border); font-weight: 600; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 10px 18px; border-radius: 7px; font-size: .875rem; font-weight: 550; line-height: 1.4; transition: background-color .15s, border-color .15s, box-shadow .15s; }
.btn-primary { --bs-btn-bg: #2458d3; --bs-btn-border-color: #2458d3; --bs-btn-hover-bg: #1c46ab; --bs-btn-hover-border-color: #1c46ab; --bs-btn-active-bg: #173e9b; --bs-btn-disabled-bg: #6a7fba; --bs-btn-disabled-border-color: #6a7fba; color: #fff; }
.btn-outline-primary { --bs-btn-color: #2458d3; --bs-btn-border-color: #b9c9ef; --bs-btn-hover-color: #173e9b; --bs-btn-hover-bg: #edf2fe; --bs-btn-hover-border-color: #2458d3; }
.btn-outline-secondary { --bs-btn-color: #36445c; --bs-btn-border-color: #d1d9e5; --bs-btn-hover-bg: #edf1f7; --bs-btn-hover-color: #172033; --bs-btn-hover-border-color: #a4b1c5; }
.btn-secondary { --bs-btn-bg: #526077; --bs-btn-border-color: #526077; }
.btn-sm { min-height: 36px; padding: 7px 12px; font-size: .8rem; }
.btn-lg { min-height: 50px; padding: 13px 22px; font-size: .95rem; }
.btn:focus-visible { outline: 3px solid #2458d3; outline-offset: 3px; box-shadow: none; }
.badge-soft { font-size: .75rem; font-weight: 550; line-height: 1.5; background: #f0f3f8; color: #43516a; padding: 5px 9px; border-radius: 5px; white-space: normal; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; font-weight: 600; padding: 5px 10px; border-radius: 5px; line-height: 1.5; white-space: nowrap; }
.status-pill::before { content: ''; width: 6px; height: 6px; background: currentColor; border-radius: 50%; flex-shrink: 0; }
.status-pill.available { color: #2458b5; background: #edf2fe; }
.status-pill.in_progress { color: #875500; background: #fff4d8; }
.status-pill.completed, .status-pill.passed { color: #146545; background: #e8f5ee; }
.status-pill.locked { color: #526077; background: #edf0f5; }
.alert { padding: 16px 20px; border-radius: 8px; font-size: .875rem; line-height: 1.6; }
.alert-info { --bs-alert-color: #244b91; --bs-alert-bg: #edf3ff; --bs-alert-border-color: #d7e4ff; }
.alert-warning { --bs-alert-color: #784c00; --bs-alert-bg: #fff7e3; --bs-alert-border-color: #f3dfae; }
.alert-success { --bs-alert-color: #146545; --bs-alert-bg: #edf8f1; --bs-alert-border-color: #cfe8da; }
.alert-danger { --bs-alert-color: #9b2430; --bs-alert-bg: #fff0f1; --bs-alert-border-color: #f1d0d5; }
.alert-dismissible { padding-right: 52px; }
.announcement { display: flex; align-items: flex-start; gap: 14px; padding: 20px 24px; border: 1px solid var(--olimp-border); border-left: 3px solid var(--olimp-primary); border-radius: 8px; background: #fff; margin-bottom: 20px; font-size: .9rem; }
.announcement > .icon { margin-top: 3px; color: var(--olimp-primary); }
.announcement p:last-child { margin-bottom: 0; }
.footer-note { font-size: .8rem; color: var(--olimp-muted); line-height: 1.7; }
.empty-state { padding: 48px 24px; text-align: center; color: var(--olimp-muted); }
.empty-state .icon { width: 32px; height: 32px; margin-bottom: 14px; color: #77849b; }
.empty-state h2, .empty-state h3 { font-size: 1rem; color: var(--olimp-ink); }
.stat-tile, .kpi { background: #fff; border: 1px solid var(--olimp-border); border-radius: 10px; padding: 22px; height: 100%; }
.stat-tile .value { font-size: 1.6rem; font-weight: 650; letter-spacing: -.04em; }
.stat-tile .label { color: var(--olimp-muted); font-size: .85rem; }

/* Главная: иерархия вместо декоративной статистики. */
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .8fr); align-items: center; gap: 72px; padding: 42px 0 52px; }
.hero-title { font-size: clamp(2.4rem, 4.8vw, 3.8rem); font-weight: 650; line-height: 1.12; letter-spacing: -.055em; max-width: 15ch; margin: 0 0 24px; }
.hero-title span { color: var(--olimp-primary); }
.hero-sub { max-width: 52ch; color: var(--olimp-muted); line-height: 1.8; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-caption { display: flex; align-items: center; gap: 8px; margin-top: 20px; font-size: .8rem; color: var(--olimp-muted); }
.hero-caption .icon { color: #146545; width: 17px; height: 17px; flex-basis: 17px; }
.competition-brief { background: #fff; border: 1px solid var(--olimp-border); border-radius: 14px; padding: 28px; }
.brief-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--olimp-border); padding-bottom: 20px; margin-bottom: 22px; gap: 12px; }
.brief-header strong { font-size: .95rem; }
.brief-step { display: flex; gap: 14px; margin-bottom: 24px; }
.brief-step:last-of-type { margin-bottom: 0; }
.step-number { flex: 0 0 32px; width: 32px; height: 32px; display: grid; place-items: center; background: #edf2fe; color: #2458d3; border-radius: 7px; font-size: .8rem; font-weight: 650; }
.brief-step strong { display: block; font-size: .95rem; }
.brief-step p { font-size: .8rem; color: var(--olimp-muted); margin: 3px 0 0; }
.brief-footnote { border-top: 1px solid var(--olimp-border); margin-top: 24px; padding-top: 18px; font-size: .8rem; color: var(--olimp-muted); }
.track-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.track-card { background: #fff; border: 1px solid var(--olimp-border); border-radius: 12px; padding: 30px; display: flex; flex-direction: column; }
.track-card:hover { border-color: #b1c3ea; }
.track-card-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.track-icon { display: grid; place-items: center; width: 44px; height: 44px; background: #edf2fe; color: #2458d3; border-radius: 10px; }
.track-icon .icon { width: 24px; height: 24px; }
.track-card h3 { font-size: 1.5rem; margin-bottom: 12px; }
.track-card > p { color: var(--olimp-muted); font-size: .9rem; max-width: 48ch; }
.track-features { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 28px; }
.track-card .btn { align-self: flex-start; margin-top: auto; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--olimp-border); }
.process-item { padding: 26px 28px 0 0; }
.process-item .process-number { display: block; font-size: .8rem; color: var(--olimp-primary); margin-bottom: 16px; font-weight: 600; }
.process-item h3 { font-size: 1rem; }
.process-item p { font-size: .875rem; color: var(--olimp-muted); max-width: 34ch; }
.rules-panel { background: #edf2fb; padding: 28px 32px; border-radius: 10px; }
.rules-panel h2 { font-size: 1.15rem; margin-bottom: 14px; }
.rules-panel ul { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; padding: 0; list-style: none; margin: 0; font-size: .875rem; color: #43516a; }
.rules-panel li { display: flex; align-items: flex-start; gap: 9px; }
.rules-panel .icon { color: var(--olimp-primary); margin-top: 2px; width: 17px; height: 17px; flex-basis: 17px; }

/* Кабинет и этапы. */
.stage-card { display: flex; flex-direction: column; background: #fff; padding: 26px; border: 1px solid var(--olimp-border); border-radius: 12px; color: inherit; text-decoration: none; height: 100%; }
.stage-card:hover { border-color: #b1c3ea; color: inherit; }
.stage-card.in_progress { border-color: #c4a65b; }
.stage-card.completed { border-top: 3px solid #328268; }
.stage-card.locked { background: #f9fafc; }
.stage-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; }
.stage-index { font-size: .75rem; color: var(--olimp-muted); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.stage-card h2 { font-size: 1.4rem; margin-bottom: 10px; }
.stage-card-description { color: var(--olimp-muted); font-size: .875rem; min-height: 3.2em; }
.stage-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 10px 0 24px; font-size: .8rem; color: var(--olimp-muted); }
.stage-meta span { display: inline-flex; gap: 7px; align-items: center; }
.stage-meta .icon { width: 17px; height: 17px; flex-basis: 17px; }
.stage-card-bottom { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--olimp-border); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.score-summary { font-size: .8rem; color: var(--olimp-muted); }
.score-summary strong { color: var(--olimp-ink); font-size: 1.1rem; }
.stage-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 28px; border: 1px solid var(--olimp-border); border-radius: 9px; overflow: hidden; }
.stage-facts > div { padding: 20px 24px; background: #fff; border-right: 1px solid var(--olimp-border); }
.stage-facts > div:last-child { border-right: 0; }
.stage-facts span { display: block; color: var(--olimp-muted); font-size: .8rem; margin-bottom: 5px; }
.stage-facts strong { font-size: 1rem; font-weight: 600; }
.task-list-card { display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 24px; height: auto; margin-bottom: 12px; }
.task-list-card h3 { margin-bottom: 5px; font-size: 1rem; }
.task-list-card span { color: var(--olimp-muted); font-size: .8rem; }
.news-section { margin-top: 44px; }

/* Формы. */
.form-control, .form-select { min-height: 46px; border-radius: 7px; border-color: #c6d0df; background-color: #fff; color: var(--olimp-ink); font-size: .9rem; padding: 10px 12px; }
.form-control:focus, .form-select:focus { border-color: #2458d3; box-shadow: 0 0 0 3px #2458d31a; background: #fff; color: var(--olimp-ink); }
.form-control::placeholder { color: #738098; }
.form-select { padding-right: 36px; }
.form-label { font-size: .85rem; font-weight: 550; margin-bottom: 7px; }
.form-text { color: var(--olimp-muted); font-size: .8rem; }
.field-error { color: var(--olimp-danger); font-size: .8rem; margin-top: 5px; }
.password-field { position: relative; }
.password-field input { padding-right: 92px; }
.password-toggle { position: absolute; right: 4px; top: 4px; bottom: 4px; border: 0; background: transparent; color: var(--olimp-primary); font-size: .75rem; padding: 0 10px; border-radius: 4px; }
.auth-shell { max-width: 520px; margin: 24px auto; }
.auth-card .card-body { padding: 36px; }
.auth-heading { margin-bottom: 28px; }
.auth-heading h1 { font-size: 1.7rem; margin-bottom: 9px; }
.auth-heading p { color: var(--olimp-muted); font-size: .875rem; margin: 0; }
.auth-brand { display: block; margin-bottom: 24px; }
.auth-footnote { padding-top: 20px; border-top: 1px solid var(--olimp-border); margin-top: 24px; color: var(--olimp-muted); font-size: .8rem; }
.form-check-input:checked { background-color: #2458d3; border-color: #2458d3; }

/* Тестирование. Важные действия всегда отделены от навигации. */
.quiz-toolbar { position: sticky; top: 0; z-index: 20; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--olimp-border); border-radius: 9px; background: #fff; padding: 14px 20px; margin-bottom: 24px; box-shadow: 0 4px 12px #17203306; }
.quiz-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 28px; align-items: start; }
.quiz-navigation { position: sticky; top: 100px; background: #fff; border: 1px solid var(--olimp-border); border-radius: 10px; padding: 18px; }
.quiz-navigation h2 { font-size: .85rem; margin-bottom: 14px; }
.question-map { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.question-map a { display: grid; place-items: center; min-height: 36px; border: 1px solid var(--olimp-border); border-radius: 5px; text-decoration: none; color: var(--olimp-muted); font-size: .8rem; }
.question-map a.answered { color: #146545; background: #e8f5ee; border-color: #a8d4bf; }
.quiz-navigation p { margin: 14px 0 0; font-size: .75rem; color: var(--olimp-muted); }
.quiz-question { border: 1px solid var(--olimp-border); border-radius: 10px; background: #fff; padding: 24px; margin: 0 0 16px; scroll-margin-top: 110px; min-width: 0; }
.question-fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.quiz-question legend { float: none; width: auto; max-width: 100%; margin: 0 0 16px; padding: 0; font-size: 1rem; line-height: 1.7; }
.question-points { white-space: nowrap; font-size: .75rem; color: var(--olimp-muted); margin-left: 6px; font-weight: 450; }
.quiz-option { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; border-radius: 7px; border: 1px solid var(--olimp-border); margin-top: 9px; cursor: pointer; font-size: .9rem; }
.quiz-option:hover { background: #f7f9fe; border-color: #adc0e9; }
.quiz-option:has(input:checked) { background: #edf2fe; border-color: #2458d3; }
.quiz-option:has(input:focus-visible) { outline: 3px solid #2458d3; outline-offset: 2px; }
.quiz-option input { margin-top: 5px; accent-color: #2458d3; flex-shrink: 0; }
.timer-badge { display: inline-flex; align-items: center; padding: 8px 12px; border: 1px solid #cfdcf8; border-radius: 6px; background: #edf2fe; color: #234da8; font-size: .9rem; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.timer-badge.danger { color: #9b2430; border-color: #e2b2b8; background: #fff0f1; }
.quiz-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding: 20px 0; }
.quiz-actions p { color: var(--olimp-muted); font-size: .8rem; margin: 0; }

/* Кодирование. Тёмная IDE остаётся отдельным рабочим инструментом. */
.workspace-page .site-container { max-width: 1560px; }
.coding-page, .coding-problem, .coding-editor, .coding-preview, .coding-results { min-width: 0; }
.workspace-heading { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.workspace-heading h1 { font-size: 1.8rem; margin-bottom: 0; }
.workspace-heading .eyebrow { margin-bottom: 8px; }
.coding-task-list { display: flex; flex-wrap: wrap; gap: 8px; }
.coding-task-link { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 10px 14px; border-radius: 6px; border: 1px solid var(--olimp-border); text-decoration: none; color: #43516a; font-size: .85rem; }
.coding-task-link:hover { background: #f4f7fc; color: #2458d3; }
.coding-task-link.active { color: #1e4bb7; background: #edf2fe; border-color: #aebfe8; }
.task-draft-indicator { color: #146545; font-size: .75rem; }
.task-statement { overflow-wrap: anywhere; max-width: 105ch; font-size: .95rem; line-height: 1.85; }
.task-statement img { max-width: 100%; height: auto; }
.task-statement h2, .task-statement h3 { font-size: 1.1rem; margin-top: 24px; }
.coding-workspace { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-items: stretch; }
.coding-workspace.with-preview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.coding-examples { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.coding-preview { display: flex; flex-direction: column; }
.coding-preview .card-header { min-height: 54px; display: flex; align-items: center; margin-bottom: 0; }
.coding-preview .card-body { flex: 0 0 auto; }
.html-preview { display: block; flex: 1 1 0; width: 100%; min-height: 400px; border: 0; background: #fff; }
.ide-shell { border: 1px solid #263248; border-radius: 10px; overflow: hidden; background: #101827; color: #dfe7f5; }
.ide-shell:focus-within { outline: 2px solid #2458d3; outline-offset: 2px; }
.ide-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 14px; min-height: 54px; background: #172235; border-bottom: 1px solid #2a374e; font-size: .8rem; }
.ide-toolbar .lang-label { color: #e4ebf6; font-family: 'JetBrains Mono', monospace; font-size: .8rem; font-weight: 400; }
.ide-toolbar .text-body-secondary, .ide-toolbar [data-draft-status], .ide-toolbar [data-code-status] { color: #b4c1d5 !important; font-size: .75rem; }
.ide-toolbar .btn-outline-secondary { --bs-btn-color: #d3ddec; --bs-btn-border-color: #52637d; --bs-btn-hover-bg: #26354d; --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: #8ea3c3; }
.ide-toolbar .form-select { min-height: 34px; width: auto; padding: 4px 28px 4px 8px; font-size: .75rem; background-color: #172235; color: #e4ebf6; border-color: #52637d; }
.ide-shell textarea.form-control { border: 0; border-radius: 0; min-height: 460px; background: #101827; color: #e6edf7; font-family: 'JetBrains Mono', monospace; resize: vertical; line-height: 1.7; }
.CodeMirror { height: 460px; background: #101827; color: #e6edf7; font-family: 'JetBrains Mono', Menlo, Consolas, monospace; font-size: 14px; line-height: 1.7; }
.CodeMirror-gutters { background: #101827; border-right: 1px solid #263248; }
.CodeMirror-linenumber { color: #899bb6; }
.cm-s-olimp .CodeMirror-cursor { border-left: 2px solid #b6d8ff; border-right: 0; }
.cm-s-olimp .CodeMirror-secondarycursor { border-left-color: #fef08a; }
.cm-s-olimp .CodeMirror-lines { padding: 14px 0; cursor: text; }
.cm-s-olimp .CodeMirror-selected { background: #294665; }
.cm-s-olimp.CodeMirror-focused .CodeMirror-selected { background: #345a83; }
.cm-s-olimp .ide-active-line { background: #1a293e; }
.cm-s-olimp .CodeMirror-activeline-gutter, .cm-s-olimp .CodeMirror-activeline-gutter .CodeMirror-linenumber { color: #e0f2fe; background: #1a293e; }
.cm-s-olimp .cm-keyword, .cm-s-olimp .cm-tag { color: #c4b5fd; }
.cm-s-olimp .cm-atom, .cm-s-olimp .cm-number { color: #fdba74; }
.cm-s-olimp .cm-def, .cm-s-olimp .cm-variable-2 { color: #93c5fd; }
.cm-s-olimp .cm-variable, .cm-s-olimp .cm-variable-3 { color: #e2e8f0; }
.cm-s-olimp .cm-string, .cm-s-olimp .cm-string-2 { color: #86efac; }
.cm-s-olimp .cm-comment { color: #9caec7; }
.cm-s-olimp .cm-attribute, .cm-s-olimp .cm-property { color: #67e8f9; }
.cm-s-olimp .cm-operator, .cm-s-olimp .cm-bracket { color: #f1f5f9; }
.cm-s-olimp .cm-meta, .cm-s-olimp .cm-builtin, .cm-s-olimp .cm-qualifier { color: #f9a8d4; }
.cm-s-olimp .cm-error { color: #fecaca; text-decoration: underline wavy #f87171; }
[data-code-language] { caret-color: #b6d8ff; }
[data-code-language]::selection { color: #fff; background: #345a83; }
.ide-editor-position { color: #b4c1d5; font-size: .75rem; font-variant-numeric: tabular-nums; }
.ide-shell:fullscreen { display: flex; flex-direction: column; border: 0; border-radius: 0; padding: 12px; overflow: auto; }
.ide-shell:fullscreen .CodeMirror { height: auto; flex: 1; min-height: 200px; }
.ide-shell:fullscreen textarea { flex: 1; }
.final-submit-area { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0 4px; }
.final-submit-area p { color: var(--olimp-muted); font-size: .8rem; margin: 0; }
.test-row { border: 1px solid var(--olimp-border); border-left-width: 3px; border-radius: 6px; padding: 12px 16px; margin-bottom: 10px; font-size: .85rem; }
.test-row.pass { border-left-color: #328268; background: #f5fbf7; }
.test-row.fail { border-left-color: #bb4452; background: #fff8f8; }
.verdict-OK { color: #146545; }
.verdict-PARTIAL, .verdict-TLE, .verdict-ERROR { color: #875500; }
.verdict-WA, .verdict-RE, .verdict-CE { color: #b32936; }
.submission-summary { max-width: 100%; width: 540px; border: 0; border-radius: 12px; padding: 0; color: var(--olimp-ink); box-shadow: 0 24px 80px #17203330; }
.submission-summary::backdrop { background: #17203380; }
.submission-summary-inner { padding: 28px; }
.submission-summary h2 { font-size: 1.35rem; margin-bottom: 12px; }
.submission-task-list { list-style: none; padding: 0; margin: 20px 0; }
.submission-task-list li { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--olimp-border); font-size: .85rem; }

/* Таблицы и управление. */
pre { white-space: pre-wrap; overflow-wrap: anywhere; padding: 16px; border: 1px solid var(--olimp-border); border-radius: 7px; background: #f5f7fa; color: #33415a; font-family: 'JetBrains Mono', monospace; font-size: .8rem; line-height: 1.7; }
td { overflow-wrap: anywhere; max-width: 32rem; }
.table { --bs-table-bg: transparent; --bs-table-color: #172033; --bs-table-border-color: #e5eaf1; --bs-table-striped-bg: #f9fafc; margin-bottom: 0; font-size: .85rem; }
.table-responsive .table { min-width: 680px; }
.table td:first-child { white-space: nowrap; }
.table > :not(caption) > * > * { padding: 16px 20px; }
.table thead th { color: #526077; background: #f9fafc; font-size: .75rem; font-weight: 550; white-space: nowrap; border-bottom-width: 1px; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #f7f9fd; }
.table td.text-end { font-variant-numeric: tabular-nums; }
.table .table-primary, .table tr.table-primary > td { background: #edf2fe; box-shadow: none; }
.place-number { display: inline-grid; place-items: center; min-width: 30px; height: 30px; color: #526077; border-radius: 6px; font-weight: 650; }
.place-number.gold { color: #775400; background: #fff1c7; }
.place-number.silver { color: #46556d; background: #eaf0f7; }
.place-number.bronze { color: #814d24; background: #f9ebdf; }
.winner-list { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.winner-list li { display: flex; align-items: center; gap: 14px; }
.winner-list strong { font-size: .9rem; }
.winner-list small { display: block; color: var(--olimp-muted); font-size: .8rem; }
.admin-page .site-container { max-width: 1440px; }
.admin-layout { display: grid; grid-template-columns: 205px minmax(0, 1fr); gap: 32px; align-items: start; }
.admin-sidebar { position: sticky; top: 24px; background: #fff; border: 1px solid var(--olimp-border); border-radius: 10px; padding: 18px 10px; }
.admin-sidebar .eyebrow { color: var(--olimp-muted); padding: 0 12px; margin-bottom: 12px; font-size: .65rem; }
.admin-sidebar a { display: block; padding: 10px 12px; margin: 2px 0; border-radius: 6px; color: #526077; font-size: .85rem; text-decoration: none; }
.admin-sidebar a:hover { background: #f6f8fb; }
.admin-sidebar a.active { background: #edf2fe; color: #2458d3; font-weight: 600; }
.admin-content { min-width: 0; }
.admin-content .page-heading h1 { font-size: 1.9rem; }
.track-switch { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.track-switch .form-select { width: auto; min-height: 44px; }
.table-tools { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; padding: 20px; border-bottom: 1px solid var(--olimp-border); }
.table-tools > div:first-of-type { flex: 1 1 220px; }
.table-tools .form-label { font-size: .75rem; }
.table-pagination { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; border-top: 1px solid var(--olimp-border); font-size: .8rem; color: var(--olimp-muted); }
.danger-zone { border-color: #e8bfc5; margin-top: 32px; }
.danger-zone .card-body { background: #fffafb; }
details > summary { cursor: pointer; font-size: .9rem; }
summary:focus-visible { border-radius: 4px; }
.report-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 20px; font-size: .875rem; }

@media (min-width: 992px) { .navbar-expand-lg .navbar-nav .nav-link { white-space: nowrap; } }
@media (max-width: 1199px) { .brand-text small { max-width: 180px; } .account-name { max-width: 135px; } .account-navigation { margin-left: 16px; gap: 14px; } .hero { gap: 40px; } }
@media (max-width: 991px) {
    .olimp-navbar { min-height: 76px; }
    .navbar-collapse { padding-top: 18px; }
    .account-navigation { margin: 16px 0 0; padding: 16px 0 4px; border-top: 1px solid var(--olimp-border); }
    .account-name { max-width: 240px; }
    .hero { gap: 28px; grid-template-columns: minmax(0, 1.2fr) minmax(260px, 1fr); }
    .hero-title { font-size: 2.6rem; }
    .competition-brief { padding: 22px; }
    .coding-workspace.with-preview { grid-template-columns: minmax(0, 1fr); }
    .html-preview { min-height: 380px; }
    .admin-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .admin-sidebar { position: static; display: flex; flex-wrap: wrap; gap: 3px; padding: 10px; }
    .admin-sidebar .eyebrow { display: none; }
    .admin-sidebar nav { display: flex; flex-wrap: wrap; gap: 3px; }
    .admin-sidebar a { padding: 8px 12px; }
}
@media (max-width: 767px) {
    .site-container { padding-left: 20px; padding-right: 20px; }
    .page-content { padding-top: 28px; padding-bottom: 44px; }
    .hero { grid-template-columns: minmax(0, 1fr); padding: 20px 0 28px; }
    .hero-title { font-size: 2.65rem; max-width: 18ch; }
    .hero-sub { font-size: .95rem; }
    .competition-brief { margin-top: 4px; }
    .section-block { margin-top: 40px; }
    .track-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .track-card { padding: 24px; }
    .section-heading, .page-heading { flex-direction: column; align-items: flex-start; gap: 14px; }
    .process-grid { grid-template-columns: minmax(0, 1fr); }
    .process-item { padding: 20px 0; border-bottom: 1px solid var(--olimp-border); }
    .process-item .process-number { margin-bottom: 8px; }
    .process-item p { max-width: none; margin-bottom: 0; }
    .rules-panel { padding: 24px; }
    .rules-panel ul { grid-template-columns: minmax(0, 1fr); }
    .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; }
    .footer-copyright { margin-left: 0; }
    .stage-facts { grid-template-columns: minmax(0, 1fr); }
    .stage-facts > div { border-right: 0; border-bottom: 1px solid var(--olimp-border); padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .stage-facts > div:last-child { border-bottom: 0; }
    .stage-facts span { margin: 0; }
    .quiz-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .quiz-navigation { position: static; padding: 16px; }
    .question-map { grid-template-columns: repeat(auto-fit, minmax(36px, 1fr)); }
    .quiz-question { padding: 20px; }
    .quiz-toolbar { padding: 12px; }
    .table > :not(caption) > * > * { padding: 14px; }
}
@media (max-width: 575px) {
    .brand-text small { display: none; }
    .brand-symbol { width: 34px; height: 34px; flex-basis: 34px; }
    .navbar-brand { gap: 9px; margin-right: 8px; }
    .brand-text strong { font-size: 1rem; }
    .hero-title { font-size: 2.25rem; }
    .hero-actions .btn { width: 100%; }
    .auth-card .card-body { padding: 24px; }
    .auth-shell { margin: 0 auto; }
    .olimp-card .card-body, .olimp-card .card-header { padding: 20px; }
    .coding-examples { grid-template-columns: minmax(0, 1fr); }
    .CodeMirror { font-size: 16px; }
    .stage-card-bottom .btn { width: 100%; }
    .table-pagination { align-items: flex-start; flex-direction: column; }
    .table-tools > div:first-of-type { flex-basis: 100%; }
    .submission-summary-inner { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }