:root {
  --sage: #5b7f6e;
  --sage-dark: #3d5c4e;
  --sage-light: #edf4f0;
  --page: #f7f4ef;
  --card: #ffffff;
  --border: #d4cbba;
  --border-soft: #ede8df;
  --text-main: #2c3e35;
  --text-muted: #5c6e65;
  --text-light: #8fa99d;
  --green: #4a9070;
  --green-light: #e8f5ee;
  --green-dark: #2e6b50;
  --red: #d95b5b;
  --red-light: #fdeaea;
  --red-dark: #9b3a3a;
  --gold: #c4975a;
  --gold-light: #faf0e0;
  --gold-dark: #8c6630;
  --blue: #5b7fa8;
  --blue-light: #ebf1f8;
  --blue-dark: #3a5878;
  --purple: #7040a0;
  --purple-light: #f3eaf8;
  --radius: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--page);
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--sage);
  padding: 12px 20px;
  box-shadow: 0 4px 18px rgba(61, 92, 78, 0.12);
}

.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  transition: 0.2s ease;
}

.nav-link.is-active,
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px 24px;
}

.page-back-row {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.page-back-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--sage-dark);
  font-size: 13px;
  font-weight: 500;
  transition: 0.2s ease;
}

.page-back-button:hover {
  background: var(--sage-light);
  border-color: #c8ddd5;
}

.spacer {
  height: 12px;
}

.section-label {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 0.5px;
  margin: 16px 0 8px;
  text-transform: uppercase;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.soft-card {
  background: var(--sage-light);
  border: 1px solid #c8ddd5;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--sage-dark);
  font-size: 12px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 12px;
  text-align: center;
}

.stat-number {
  font-size: 22px;
  font-weight: 500;
  color: var(--sage-dark);
}

.stat-number.success {
  color: var(--green);
}

.stat-number.error {
  color: var(--red);
}

.stat-label {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

.quick-grid,
.type-grid,
.type-rate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.quick-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mastery-card {
  padding: 16px 20px;
  margin-bottom: 4px;
}

.mastery-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mastery-label {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.mastery-number {
  font-size: 26px;
  font-weight: 600;
  color: var(--sage-dark);
  line-height: 1;
}

.mastery-total {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.mastery-hint {
  font-size: 22px;
  font-weight: 600;
  color: var(--sage);
}

.quick-card,
.type-card,
.chapter-item,
.history-item,
.wrong-item,
.option-card {
  background: var(--card);
  border: 1px solid var(--border);
  transition: 0.2s ease;
}

.quick-card:hover,
.type-card:hover,
.chapter-item:hover,
.option-card:hover {
  transform: translateY(-1px);
}

.quick-card {
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.quick-card-button {
  width: 100%;
  text-align: left;
  color: inherit;
  border-radius: var(--radius);
}

.quick-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.quick-card-title {
  font-size: 13px;
  font-weight: 500;
}

.quick-card-subtitle {
  font-size: 11px;
  margin-top: 2px;
}

.quick-card.random:hover {
  background: var(--green-light);
  border-color: #a8d9be;
}

.quick-card.category:hover {
  background: var(--blue-light);
  border-color: #b5cde8;
}

.quick-card.wrong:hover {
  background: var(--red-light);
  border-color: #f5b8b8;
}

.quick-card.random .quick-card-icon {
  background: var(--green-light);
  color: var(--green);
}

.quick-card.category .quick-card-icon {
  background: var(--blue-light);
  color: var(--blue);
}

.quick-card.wrong .quick-card-icon {
  background: var(--red-light);
  color: var(--red);
}

.quick-card.random .quick-card-title {
  color: var(--green-dark);
}

.quick-card.random .quick-card-subtitle {
  color: var(--green);
}

.quick-card.category .quick-card-title {
  color: var(--blue-dark);
}

.quick-card.category .quick-card-subtitle {
  color: var(--blue);
}

.quick-card.wrong .quick-card-title {
  color: var(--red-dark);
}

.quick-card.wrong .quick-card-subtitle {
  color: var(--red);
}

.history-item {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-title {
  font-size: 13px;
  font-weight: 500;
}

.history-meta,
.history-side-meta {
  font-size: 11px;
  color: var(--text-light);
}

.history-score {
  font-size: 14px;
  font-weight: 500;
  color: var(--sage-dark);
  text-align: right;
}

.type-card {
  border-radius: var(--radius);
  padding: 14px;
}

.type-card-shell {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.type-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.type-card-main,
.chapter-item-main-button {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  color: inherit;
  padding: 0;
}

.type-card:hover,
.chapter-item:hover {
  border-color: #c8ddd5;
}

.type-badge,
.pill,
.wrong-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}

.type-single,
.wrong-tag.type-single {
  background: #2a52cc;
  color: #ffffff;
}

.type-multi,
.wrong-tag.type-multi {
  background: #e07800;
  color: #ffffff;
}

.type-judge,
.wrong-tag.type-judge {
  background: #e8f5ee;
  color: #2e7a55;
}

.type-fill,
.wrong-tag.type-fill {
  background: var(--purple-light);
  color: var(--purple);
}

.type-total {
  font-size: 20px;
  font-weight: 500;
  margin-top: 8px;
}

.type-summary {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

.inline-action {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--sage);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
  transition: 0.2s ease;
}

.inline-action:hover {
  background: var(--sage-light);
  border-color: #c8ddd5;
}

.count-setting-card {
  padding: 14px 16px;
  margin-bottom: 16px;
}

.count-setting-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.count-setting-help {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 10px;
}

.count-setting-bar {
  margin-bottom: 0;
}

.preview-sticky-bar {
  position: sticky;
  top: 49px;
  z-index: 30;
  background: var(--page);
  border-bottom: 1px solid var(--border-soft);
  padding: 10px 16px;
}

.preview-sticky-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-sticky-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.preview-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.preview-hero-title {
  font-size: 18px;
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: 6px;
}

.preview-hero-text {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.preview-hero-stats {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.preview-mini-stat {
  min-width: 88px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--sage-light);
  border: 1px solid #d6e4dd;
  text-align: center;
}

.preview-mini-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--sage-dark);
  line-height: 1;
}

.preview-mini-label {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-light);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.preview-search-shell {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
}

.preview-search-shell:focus-within {
  border-color: #9fb3aa;
  box-shadow: inset 0 0 0 1px rgba(91, 127, 110, 0.12);
}

.preview-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-main);
  min-width: 0;
  font-size: 14px;
}

.preview-search-input::placeholder {
  color: #a6b2ab;
}

.preview-toolbar-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.preview-search-meta {
  margin: 0 0 10px;
}

.chapter-preview-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-chapter-card {
  padding: 0;
  overflow: hidden;
}

.preview-chapter-toggle {
  width: 100%;
  border: none;
  background: transparent;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: inherit;
  text-align: left;
}

.preview-chapter-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.preview-chapter-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.preview-chapter-meta {
  font-size: 12px;
  color: var(--text-light);
}

.preview-chapter-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  flex-shrink: 0;
}

.preview-chapter-right i {
  transition: transform 0.2s ease;
}

.preview-chapter-card.is-open .preview-chapter-right i {
  transform: rotate(180deg);
}

.preview-chapter-count {
  font-size: 12px;
  font-weight: 500;
}

.preview-question-list {
  display: none;
  padding: 0 16px 16px;
}

.preview-question-list.is-open {
  display: block;
}

.preview-question-card {
  border-top: 1px solid var(--border-soft);
  padding: 16px 0;
}

.preview-question-card:first-child {
  padding-top: 18px;
}

.preview-question-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.preview-question-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preview-question-id {
  font-size: 11px;
  color: var(--text-light);
}

.preview-question-text {
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 12px;
}

.preview-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.preview-option-row {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.preview-option-key {
  width: 18px;
  flex-shrink: 0;
  color: var(--sage-dark);
  font-weight: 600;
}

.preview-answer-box,
.preview-explanation {
  border-radius: var(--radius-sm);
  background: #f7faf8;
  border: 1px solid #e1ece6;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.7;
}

.preview-explanation {
  margin-top: 10px;
  background: #fcfaf6;
  border-color: #ede4d4;
}

.preview-answer-label {
  display: inline-flex;
  margin-bottom: 4px;
  font-size: 11px;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.4px;
}

.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chapter-item {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.chapter-item:hover {
  background: var(--sage-light);
}

.chapter-item-main {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.chapter-item-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-width: 0;
}

.chapter-dot {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--sage-light);
  color: var(--sage-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}

.chapter-name {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
}

.chapter-meta {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
  line-height: 1.2;
  text-align: left;
}

.chapter-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chapter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.chapter-rate {
  font-size: 12px;
  color: var(--sage);
  font-weight: 500;
}

.progress-bar,
.tiny-progress,
.result-progress {
  background: var(--border-soft);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 8px;
}

.tiny-progress {
  height: 4px;
  margin-top: 8px;
}

.result-progress {
  height: 10px;
  margin-top: 16px;
}

.progress-fill,
.tiny-progress-fill,
.result-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--sage);
}

.quiz-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}

.quiz-header-top,
.quiz-progress-row,
.quiz-footer-nav,
.action-row,
.result-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.quiz-footer-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
}

.quiz-footer-nav {
  margin-top: 18px;
}

.badge-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  background: var(--blue-light);
  color: var(--blue-dark);
}

#typeBadge {
  font-size: 14px;
  padding: 7px 16px;
  font-weight: 700;
  letter-spacing: 0.2px;
  border: 1px solid transparent;
  box-shadow: 0 6px 16px rgba(61, 92, 78, 0.08);
}

#typeBadge.type-single {
  background: #e7eefc;
  color: #244a8f;
  border-color: #c9d8f6;
}

#typeBadge.type-multi {
  background: #fff0df;
  color: #9c5a00;
  border-color: #f3cf9a;
}

#typeBadge.type-judge {
  background: #e7f4ed;
  color: #2f7254;
  border-color: #bfdccf;
}

#typeBadge.type-fill {
  background: #f0e9f8;
  color: #68408f;
  border-color: #d6c3ea;
}

.pill.chapter {
  background: var(--sage-light);
  color: var(--sage-dark);
  border: 1px solid #deebe5;
}

#chapterBadge {
  font-size: 12px;
  padding: 5px 12px;
  font-weight: 600;
  opacity: 0.9;
}

.timer {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.timer.danger {
  color: var(--red);
}

.quiz-progress-row {
  margin-top: 10px;
}

.quiz-progress-text {
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

.quiz-progress-track {
  flex: 1;
  height: 6px;
  background: var(--border-soft);
  border-radius: 999px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--sage);
}

.question-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
}

.question-number {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.question-title {
  font-size: 16px;
  line-height: 1.7;
  font-weight: 500;
  text-wrap: pretty;
}

.text-measure-probe {
  position: absolute;
  left: -9999px;
  top: -9999px;
  visibility: hidden;
  white-space: pre;
  pointer-events: none;
}

.question-title.has-inline-date-fill {
  line-height: 1.95;
}

.question-title.has-inline-text-fill {
  line-height: 1.95;
}

.question-inline-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 6px 0 8px;
  vertical-align: middle;
  white-space: nowrap;
}

.question-inline-fill-input {
  display: inline-block;
  width: min(calc(var(--blank-ch, 8) * 1ch), 42vw);
  max-width: 220px;
  min-width: 5ch;
  height: 34px;
  padding: 0 4px 2px;
  margin: 0 4px;
  border: none;
  border-bottom: 2px solid #cfd7d1;
  border-radius: 0;
  background: transparent;
  color: var(--text-main);
  font-size: 17px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  vertical-align: baseline;
  box-shadow: none;
}

.question-inline-fill-input:focus {
  outline: none;
  border-color: var(--sage);
  background: transparent;
}

.question-inline-fill-input:disabled {
  background: transparent;
  color: var(--text-muted);
  border-bottom-color: #d9dedb;
}

.question-inline-date-group {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.question-inline-date-field {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.question-inline-date-input {
  width: 64px;
  height: 34px;
  padding: 0 4px 2px;
  border: none;
  border-bottom: 2px solid #cfd7d1;
  border-radius: 0;
  background: transparent;
  font-size: 17px;
  vertical-align: middle;
  line-height: 1;
  box-shadow: none;
}

.question-inline-date-input.year {
  width: 84px;
}

.question-inline-date-input::placeholder {
  color: transparent;
}

.question-inline-date-input:focus {
  outline: none;
  border-color: var(--sage);
  background: transparent;
  box-shadow: none;
}

.question-inline-date-input:disabled {
  background: transparent;
  color: var(--text-muted);
  border-bottom-color: #d9dedb;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.option-card {
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 52px;
}

.option-card:hover {
  border-color: #c8ddd5;
  background: var(--sage-light);
}

.option-card.is-selected {
  border-color: #9fb3aa;
  background: #eef3f0;
  box-shadow: inset 0 0 0 1px rgba(91, 127, 110, 0.12);
}

.option-card.is-selected .option-mark {
  background: var(--sage);
  border-color: var(--sage);
  color: #fff;
}

.option-card.is-correct {
  border-color: var(--green);
  background: var(--green-light);
}

.option-card.is-wrong {
  border-color: var(--red);
  background: var(--red-light);
}

.option-card.is-locked {
  cursor: not-allowed;
}

.option-mark {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}

.option-card.is-correct .option-mark {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.option-card.is-wrong .option-mark {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.option-text {
  font-size: 14px;
  line-height: 1.6;
}

.status-toast {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}

.status-toast.success {
  background: var(--green-light);
  border-color: #a8d9be;
}

.status-toast.error {
  background: var(--red-light);
  border-color: #f5b8b8;
}

.status-toast.neutral {
  background: #f2f5f3;
  border-color: #d8e2dc;
}

.status-toast-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.status-toast.success .status-toast-title {
  color: var(--green-dark);
}

.status-toast.error .status-toast-title {
  color: var(--red-dark);
}

.status-toast.neutral .status-toast-title {
  color: var(--sage-dark);
}

.status-toast-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.accordion {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-button {
  width: 100%;
  border: none;
  background: transparent;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-main);
  font-size: 13px;
}

.accordion-body {
  display: none;
  padding: 0 14px 14px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}

.accordion.is-open .accordion-body {
  display: block;
}

.judge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.judge-button,
.primary-button,
.secondary-button,
.danger-button,
.ghost-button {
  border-radius: var(--radius-sm);
  min-height: 44px;
  border: none;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: 0.2s ease;
}

.primary-button {
  background: var(--sage);
  color: #fff;
}

.primary-button:hover {
  background: var(--sage-dark);
}

.secondary-button,
.judge-button,
.ghost-button {
  background: #fff;
  color: var(--sage);
  border: 1px solid #c8ddd5;
}

.secondary-button:hover,
.judge-button:hover,
.ghost-button:hover {
  background: var(--sage-light);
}

.judge-button.is-selected {
  background: #eef3f0;
  border-color: #9fb3aa;
  color: var(--sage-dark);
  box-shadow: inset 0 0 0 1px rgba(91, 127, 110, 0.12);
}

.danger-button {
  background: #fff;
  color: var(--red-dark);
  border: 1px solid var(--red);
}

.danger-button:hover {
  background: var(--red-light);
}

.fill-area {
  margin-bottom: 12px;
}

.date-fill-area {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.date-fill-field {
  display: flex;
  align-items: center;
  gap: 4px;
}

.date-fill-input {
  width: 72px;
  height: 48px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-main);
  text-align: center;
}

.date-fill-input:focus {
  outline: 2px solid rgba(91, 127, 110, 0.15);
  border-color: var(--sage);
}

.date-fill-input:disabled {
  background: #f5f5f5;
  color: var(--text-muted);
}

.date-fill-unit {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
}

.fill-input {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  font-size: 15px;
  color: var(--text-main);
}

.fill-input:focus {
  outline: 2px solid rgba(91, 127, 110, 0.15);
  border-color: var(--sage);
}

.summary-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin-bottom: 12px;
}

.site-trust-note {
  margin: 18px 0 6px;
  padding: 12px 14px;
  border: 1px dashed #ddd4c4;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.52);
}

.site-trust-note.compact {
  margin-top: 14px;
}

.site-trust-note-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 4px;
}

.site-trust-note-text {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
}

.redeem-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(232, 245, 238, 0.9), transparent 28%),
    radial-gradient(circle at bottom right, rgba(235, 241, 248, 0.8), transparent 26%),
    var(--page);
}

.redeem-topbar-inner {
  justify-content: center;
}

.redeem-page {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.redeem-shell {
  width: 100%;
}

.redeem-card {
  width: min(100%, 460px);
  margin: 0 auto;
  padding: 28px 26px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 40px rgba(61, 92, 78, 0.08);
}

.redeem-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--sage-light);
  color: var(--sage-dark);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.redeem-title {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.2;
  color: var(--sage-dark);
}

.redeem-subtitle {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.redeem-form {
  margin-bottom: 20px;
}

.redeem-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

.redeem-input-row {
  margin-bottom: 12px;
}

.redeem-input {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px;
  color: var(--text-main);
  letter-spacing: 0.4px;
}

.redeem-input:focus {
  outline: 2px solid rgba(91, 127, 110, 0.15);
  border-color: var(--sage);
}

.redeem-submit {
  width: 100%;
  min-height: 48px;
  border: none;
  border-radius: 14px;
  background: var(--sage);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  transition: 0.2s ease;
}

.redeem-submit:hover {
  background: var(--sage-dark);
}

.redeem-submit:disabled {
  opacity: 0.75;
  cursor: wait;
}

.redeem-message {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.6;
}

.redeem-message.success {
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid #a8d9be;
}

.redeem-message.error {
  background: var(--red-light);
  color: var(--red-dark);
  border: 1px solid #f3b5b5;
}

.redeem-notice {
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

.redeem-notice-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sage-dark);
  margin-bottom: 8px;
}

.redeem-notice-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.8;
}

.redeem-support {
  margin-top: 14px;
  color: var(--text-light);
  font-size: 12px;
}

@media (max-width: 768px) {
  .site-trust-note {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 58px;
    z-index: 40;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
  }

  .site-trust-note.compact {
    bottom: 10px;
  }

  .site-trust-note-title {
    display: none;
  }

  .site-trust-note-text {
    font-size: 9px;
    line-height: 1.5;
    color: var(--text-light);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .redeem-page {
    min-height: calc(100vh - 64px);
    align-items: flex-start;
    padding-top: 32px;
  }

  .redeem-card {
    padding: 22px 18px;
    border-radius: 18px;
  }

  .redeem-title {
    font-size: 22px;
  }

  .redeem-subtitle {
    font-size: 13px;
    margin-bottom: 18px;
  }

  .redeem-input {
    min-height: 48px;
    font-size: 15px;
  }
}

.score-number {
  font-size: 52px;
  line-height: 1;
  color: var(--sage-dark);
  font-weight: 500;
}

.score-subtitle {
  font-size: 16px;
  color: var(--text-light);
  margin-top: 4px;
}

.score-grade {
  display: inline-flex;
  margin-top: 12px;
  padding: 6px 18px;
  border-radius: 999px;
  background: var(--sage-light);
  color: var(--sage-dark);
  font-size: 13px;
  font-weight: 500;
}

.type-rate-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.type-rate-label {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.type-rate-value {
  font-size: 14px;
  font-weight: 500;
}

.wrong-overview {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}

.wrong-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.wrong-overview-number {
  font-size: 20px;
  font-weight: 500;
}

.wrong-overview-label {
  font-size: 11px;
  color: var(--text-light);
}

.chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 12px;
  scrollbar-width: none;
}

.chips::-webkit-scrollbar {
  display: none;
}

.chip {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.chip.is-active {
  background: var(--sage);
  color: #fff;
  border-color: var(--sage);
}

.wrong-item {
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
}

.wrong-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.wrong-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.wrong-tag.count {
  background: var(--red-light);
  color: var(--red-dark);
}

.wrong-tag.mastered {
  background: var(--green-light);
  color: var(--green-dark);
}

.wrong-question {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 6px;
}

.wrong-answer {
  font-size: 12px;
  color: var(--green-dark);
  background: var(--green-light);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  margin-bottom: 8px;
  display: inline-block;
}

.wrong-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wrong-rate {
  font-size: 11px;
  color: var(--text-light);
}

.wrong-actions,
.modal-actions {
  display: flex;
  gap: 8px;
}

.empty-state {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 18px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.bottom-nav {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 8px 0;
}

.bottom-nav-link {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-light);
  font-size: 10px;
}

.bottom-nav-link i {
  font-size: 20px;
}

.bottom-nav-link.is-active {
  color: var(--sage);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 60;
}

.modal-overlay.is-open {
  display: flex;
}

.modal-panel {
  width: min(100%, 280px);
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
}

.home-category-panel {
  width: min(100%, 680px);
  padding: 24px;
  max-height: 90vh;
  overflow-y: auto;
}

@media (max-width: 560px) {
  .home-category-panel {
    padding: 16px;
    max-height: 85vh;
  }
}

.home-category-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.home-modal-label {
  margin-bottom: 10px;
}

.home-count-card {
  margin-bottom: 18px;
}

.modal-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.modal-option {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  background: #fff;
  text-align: left;
}

.modal-option.is-active,
.modal-option:hover {
  border-color: var(--sage);
  background: var(--sage-light);
}

.modal-option-title {
  font-size: 13px;
  font-weight: 500;
}

.modal-option-subtitle {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .page {
    padding-bottom: 84px;
  }

  .bottom-nav {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .preview-hero {
    flex-direction: column;
  }

  .preview-sticky-inner {
    flex-wrap: wrap;
  }

  .preview-sticky-inner .preview-search-shell {
    flex: 1 1 100%;
  }

  .preview-sticky-actions {
    flex: 1 1 100%;
  }

  .preview-sticky-actions .secondary-button {
    flex: 1;
  }
}

@media (max-width: 560px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .quick-grid,
  .type-grid,
  .type-rate-grid,
  .judge-grid {
    grid-template-columns: 1fr;
  }

  .wrong-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .wrong-item-top,
  .action-row,
  .result-action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .quiz-footer-nav {
    align-items: stretch;
  }

  #prevButton {
    width: calc(50% - 4px);
  }

  .quiz-footer-actions {
    align-items: stretch;
    width: calc(50% - 4px);
  }

  .question-inline-date {
    gap: 6px;
    margin-left: 6px;
  }

  .question-inline-date-input {
    width: 52px;
    height: 30px;
    padding: 0 4px 2px;
    font-size: 16px;
  }

  .question-inline-fill-input {
    height: 30px;
    font-size: 16px;
  }

  .question-inline-date-input.year {
    width: 72px;
  }

  .date-fill-unit {
    font-size: 14px;
  }
}