:root {
  --ink: #1c2434;
  --ink-soft: #5a6577;
  --paper: #f6f5f1;
  --surface: #ffffff;
  --line: #e3e2dc;
  --accent: #2f4fbd;
  --accent-dark: #24409c;
  --accent-soft: #eef1fb;
  --margin-red: #d05a5a;
  --correct: #2f8f53;
  --correct-bg: #eef8f1;
  --wrong: #c94a4a;
  --wrong-bg: #fdf0f0;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(28, 36, 52, 0.05), 0 8px 24px rgba(28, 36, 52, 0.05);
}

* {
  box-sizing: border-box;
}

/* [hidden] должен побеждать display: flex/grid, заданный классу ниже */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Golos Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(920px, 100% - 32px);
  margin: 0 auto;
}

.container--test {
  padding-bottom: 40px;
}

/* Шапка: лёгкий мотив тетрадного листа — горизонтальные линии и поле слева */

.header {
  position: relative;
  background: var(--surface);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 27px,
    #eaf0f7 27px,
    #eaf0f7 28px
  );
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

.header__inner {
  display: flex;
  align-items: center;
  min-height: 84px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(47, 79, 189, 0.28);
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.logo__title {
  font-size: 18px;
  font-weight: 600;
}

.logo__subtitle {
  color: var(--ink-soft);
  font-size: 13px;
}

/* Главная */

.hero {
  position: relative;
  padding-left: 22px;
  margin-bottom: 28px;
}

.hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 3px;
  background: var(--margin-red);
  opacity: 0.55;
}

.hero__title {
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -0.02em;
}

.hero__text {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.filter {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.filter:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.section {
  margin-bottom: 32px;
}

.section__title {
  margin: 0 0 14px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.topic-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 22px 0 12px;
  padding-left: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.topic-title:first-of-type {
  margin-top: 0;
}

.section__empty {
  margin: 0;
  color: var(--ink-soft);
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.test-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.test-card:hover {
  transform: translateY(-2px);
  border-color: #cfd7ea;
  box-shadow: var(--shadow);
}

.test-card__topic {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.test-card__title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
}

.test-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: #f0f1f4;
  color: var(--ink-soft);
  font-size: 13px;
}

.badge--level-1 { background: #eaf6ee; color: #2f8f53; }
.badge--level-2 { background: #fdf3e4; color: #a4701c; }
.badge--level-3 { background: #fbecec; color: #b34a4a; }

/* Страница теста */

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: 15px;
  text-decoration: none;
}

.back-link::before {
  content: "← ";
}

.back-link:hover {
  color: var(--accent);
}

.test-head {
  position: relative;
  padding-left: 22px;
  margin-bottom: 26px;
}

.test-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 3px;
  background: var(--margin-red);
  opacity: 0.55;
}

.test-meta {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.test-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 30px);
  letter-spacing: -0.02em;
}

.notice {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 15px;
}

.questions {
  display: grid;
  gap: 14px;
}

.question {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.15s, background 0.15s;
}

.question__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.question__number {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.question__text {
  margin: 2px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.question__body {
  margin-left: 42px;
}

.question__passage {
  margin: 12px 0 0;
  padding: 12px 16px;
  background: #fafaf7;
  border-left: 2px solid var(--line);
  border-radius: 0 8px 8px 0;
  color: #333c4a;
  white-space: pre-line;
}

.question__hint {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.correspondence {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
  margin-top: 12px;
  padding: 14px 16px;
  background: #fafaf7;
  border-left: 2px solid var(--line);
  border-radius: 0 8px 8px 0;
}

.correspondence__col {
  display: grid;
  gap: 8px;
  align-content: start;
}

.correspondence__row {
  margin: 0;
  color: #333c4a;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .correspondence {
    grid-template-columns: 1fr;
  }
}

.options {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.option {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.option:hover {
  border-color: #c5cfe8;
  background: #fbfcfe;
}

.option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option__marker {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option:has(input:checked) .option__marker {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.option:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.answer-input {
  margin-top: 14px;
  padding: 11px 16px;
  width: min(320px, 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 16px;
  background: #fbfbfa;
  transition: border-color 0.15s, background 0.15s;
}

.answer-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(47, 79, 189, 0.12);
}

.question__verdict {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.question--correct,
.question--wrong {
  border-width: 1px;
}

.question--correct {
  border-color: #bfe3cc;
  background: var(--correct-bg);
}

.question--wrong {
  border-color: #f0c9c9;
  background: var(--wrong-bg);
}

.question--correct .question__verdict,
.question--wrong .question__verdict {
  margin-top: 14px;
}

.question--correct .question__verdict {
  color: var(--correct);
}

.question--wrong .question__verdict {
  color: var(--wrong);
}

.question--correct .question__number {
  background: #d9efe1;
  color: var(--correct);
}

.question--wrong .question__number {
  background: #f7dede;
  color: var(--wrong);
}

/* Нижняя панель с прогрессом */

.actionbar {
  position: sticky;
  bottom: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.actionbar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.progress {
  flex: 1;
  min-width: 0;
}

.progress__label {
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: 14px;
}

.progress__value {
  color: var(--ink);
  font-weight: 600;
}

.progress__track {
  height: 6px;
  border-radius: 999px;
  background: #e9eaee;
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.button {
  padding: 12px 30px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.button:hover:not(:disabled) {
  background: var(--accent-dark);
}

.button:disabled {
  background: #a9b6df;
  cursor: default;
}

.button--ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 10px 24px;
}

.button--ghost:hover:not(:disabled) {
  background: var(--accent-soft);
}

/* Результат */

.result {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 22px;
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.result__ring {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: conic-gradient(
    var(--ring-color) calc(var(--percent) * 1%),
    #eceef2 0
  );
}

.result[data-tone="high"] { --ring-color: var(--correct); }
.result[data-tone="mid"] { --ring-color: #d9a13a; }
.result[data-tone="low"] { --ring-color: var(--wrong); }

.result__ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--surface);
}

.result__percent {
  grid-area: 1 / 1;
  font-size: 22px;
  font-weight: 700;
}

.result__body {
  min-width: 0;
}

.result__score {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.result__message {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

/* Подвал */

.footer {
  margin-top: 48px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.footer__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.footer__link {
  color: var(--ink-soft);
}

.footer__link:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .header { margin-bottom: 26px; }
  .logo__subtitle { display: none; }
  .question__body { margin-left: 0; }
  .question { padding: 16px 18px; }
  .actionbar__inner { flex-direction: column; align-items: stretch; gap: 12px; }
  .actionbar .button { width: 100%; }
  .result { flex-direction: column; text-align: center; gap: 16px; }
}