/* ---------- Phase 4: platform, courses, review, dashboard ============ */

code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------- 5-link navigation ---------- */

.site-nav a {
  padding: 7px 12px;
}

@media (max-width: 720px) {
  .site-nav a {
    padding: 7px 6px;
    font-size: 12px;
  }
}

/* ---------- Today panel ---------- */

.today-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr);
  gap: 26px;
  align-items: center;
  margin-top: 8px;
  padding: 26px;
}

.today-panel h2 {
  margin: 6px 0 4px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.today-panel__side {
  display: grid;
  gap: 10px;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.today-due {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.today-due b {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 42px;
  letter-spacing: -0.05em;
  line-height: 1;
}

.today-due span {
  color: var(--muted);
  font-size: 12px;
}

.today-tasks {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.today-task {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 13px;
}

.today-task.is-done {
  color: var(--muted);
}

.today-task__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.today-task.is-done .today-task__dot {
  background: var(--green);
}

.today-task a {
  margin-left: auto;
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

/* ---------- Dashboard stats ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.stat-tile {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.stat-tile b {
  display: block;
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: -0.04em;
}

.stat-tile span {
  color: var(--muted);
  font-size: 11px;
}

/* ---------- Home course list ---------- */

.home-course-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.home-course {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(140px, 0.8fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
}

.home-course__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 650;
}

.home-course__meta {
  color: var(--muted);
  font-size: 11.5px;
}

.home-course .progress {
  height: 6px;
  grid-column: 1 / -1;
}

.word-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.word-list .word-row {
  grid-template-columns: 22px minmax(0, 1fr) auto auto;
}

@media (max-width: 720px) {
  .word-list .word-row {
    grid-template-columns: 22px minmax(0, 1fr) auto;
  }

  .word-list .word-row .word-chapter {
    grid-column: 2;
    grid-row: 2;
  }

  .word-actions {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .word-actions .btn {
    padding-inline: 8px;
  }

  .word-actions .favorite {
    font-size: 16px;
  }
}

.home-course__link {
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

/* ---------- Favorites / mistakes ---------- */

.mini-list {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  font-size: 12.5px;
}

.mini-list b {
  font-weight: 650;
}

.mini-list span {
  color: var(--muted);
  text-align: right;
}

.mistake-correct {
  color: var(--green);
}

.quiz-option.is-choice {
  border-color: var(--brand);
}

/* ---------- Course catalog ---------- */

.catalog-stats {
  display: grid;
  gap: 4px;
}

.catalog-stats div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}

.catalog-stats b {
  font-family: var(--mono);
  font-size: 22px;
}

.catalog-stats span {
  color: var(--muted);
  font-size: 12px;
}

.category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 20px;
}

.category-chip {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

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

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.course-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
}

.course-card.is-draft {
  border-style: dashed;
}

.course-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.course-card__category {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tag--published {
  border-color: rgba(29, 122, 95, 0.35);
  color: var(--green);
}

.tag--draft {
  border-color: var(--line-strong);
  color: var(--muted);
}

.course-card h2 {
  margin-top: 2px;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.course-card__subtitle {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.65;
  min-height: 40px;
}

.course-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  color: var(--muted);
  font-size: 11px;
}

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 10px;
}

.course-card__percent {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}

/* ---------- Generic course page ---------- */

.generic-module h2 {
  margin-bottom: 6px;
  font-size: 20px;
}

.generic-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.generic-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.generic-section__head h3 {
  font-size: 15px;
  font-weight: 650;
}

.generic-section__body {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.8;
}

.generic-section__body p {
  margin: 6px 0;
}

.generic-bullets {
  margin: 6px 0;
  padding-left: 20px;
  line-height: 1.8;
}

.generic-vocab {
  display: grid;
  gap: 8px;
  margin: 8px 0;
}

.generic-vocab__row {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  font-size: 13px;
}

.generic-vocab__row b {
  margin-right: 10px;
  font-weight: 650;
}

.generic-vocab__row span {
  color: var(--muted);
}

.generic-vocab__row p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 12.5px;
}

.generic-vocab__row p.muted {
  color: var(--muted);
}

/* ---------- Review page ---------- */

.review-stats {
  display: grid;
  gap: 6px;
}

.review-stats div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 5px 0;
  border-bottom: 1px dashed var(--line);
}

.review-stats b {
  font-family: var(--mono);
  font-size: 20px;
}

.review-stats span {
  color: var(--muted);
  font-size: 11.5px;
}

.review-empty {
  text-align: center;
}

.review-empty .lead {
  margin: 8px auto 16px;
  max-width: 520px;
}

.review-card {
  max-width: 760px;
  margin-inline: auto;
}

.review-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.review-word {
  margin-top: 18px;
  padding: 34px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(500px 240px at 50% 0%, rgba(199, 137, 45, 0.12), transparent 70%),
    var(--surface-2);
  text-align: center;
  cursor: pointer;
}

.review-word__en {
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 760;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.review-word__answer {
  margin-top: 12px;
}

.review-word__zh {
  font-size: 22px;
  font-weight: 700;
}

.review-word__answer p {
  max-width: 560px;
  margin: 8px auto 0;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.review-word__answer .muted {
  color: var(--muted);
  font-size: 12.5px;
}

.review-word__hint {
  margin-top: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
}

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.review-actions .btn {
  flex: 1 1 160px;
}

/* ---------- Favorite star ---------- */

.favorite {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}

.favorite[aria-pressed="true"] {
  color: var(--accent);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .today-panel {
    grid-template-columns: 1fr;
  }

  .today-panel__side {
    padding-left: 0;
    padding-top: 18px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .home-course {
    grid-template-columns: 1fr auto;
  }

  .home-course .progress {
    grid-column: 1 / -1;
  }

  .course-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .review-actions .btn {
    flex: 1 1 100%;
  }
}