/* 复习中心（doc/18 §2.9） */

.app--shell .app-main.review-page {
  max-width: 40rem;
  padding-bottom: 2rem;
}

.review-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.review-stat {
  background: var(--surface, #fff);
  border-radius: 16px;
  padding: 16px 8px;
  text-align: center;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.review-stat__n {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
}
.review-stat__n.is-due { color: #6366f1; }
.review-stat__n.is-done { color: #0ea5e9; }
.review-stat__n.is-ok { color: #16a34a; }
.review-stat__l {
  font-size: 12px;
  color: var(--text-3, #94a3b8);
  margin-top: 4px;
}

.review-note {
  background: var(--surface, #fff);
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.review-note i { color: #6366f1; margin-top: 2px; }
.review-note h3 { font-size: 14px; font-weight: 700; margin: 0 0 2px; }
.review-note p { font-size: 12px; color: var(--text-3, #64748b); margin: 0; }

.review-panel {
  background: var(--surface, #fff);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.review-panel i { font-size: 36px; color: #cbd5e1; margin-bottom: 12px; }

.review-empty__emoji { font-size: 48px; margin-bottom: 8px; }
.review-empty h3 { font-size: 20px; font-weight: 800; margin: 0 0 8px; }
.review-empty p { color: var(--text-3, #64748b); margin: 0 0 16px; }
.review-empty a {
  display: inline-block;
  background: #6366f1;
  color: #fff;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 650;
  text-decoration: none;
}

.review-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-progress__bar {
  flex: 1;
  height: 6px;
  background: #e2e8f0;
  border-radius: 99px;
  overflow: hidden;
}
.review-progress__bar > span {
  display: block;
  height: 100%;
  width: 0;
  background: #6366f1;
  border-radius: 99px;
  transition: width 0.25s ease;
}
.review-progress__txt {
  font-size: 13px;
  font-weight: 650;
  color: var(--text-3, #64748b);
  min-width: 3.5rem;
  text-align: right;
}

.review-card {
  background: var(--surface, #fff);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  overflow: hidden;
}
.review-card.is-ok { animation: review-pop 0.35s ease; }
.review-card.is-bad { animation: review-shake 0.3s ease; }

@keyframes review-pop {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.015); }
}
@keyframes review-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.review-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid #f1f5f9;
}
.review-card__head-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.review-replay,
.review-hint-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #475569;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}
.review-replay:hover,
.review-hint-btn:hover { background: #eef2ff; border-color: #c7d2fe; color: #4f46e5; }
.review-replay.is-pulse { animation: review-pulse 0.8s ease 2; }
@keyframes review-pulse {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25); }
}

.review-master {
  border: 0;
  background: transparent;
  color: #7c3aed;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 4px;
}
.review-master:hover { text-decoration: underline; }

.review-sentence {
  padding: 22px 20px 8px;
}
.review-sentence__row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.review-sentence__play {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: #eef2ff;
  color: #4f46e5;
  cursor: pointer;
}
.review-sentence__play:hover { background: #e0e7ff; }
.review-sentence__en {
  font-size: 20px;
  line-height: 1.55;
  color: #0f172a;
  margin: 0;
  font-weight: 600;
}
.review-blank-wrap { display: inline; }
.review-blank {
  display: inline-block;
  min-width: 5.5em;
  min-height: 1.15em;
  padding: 0 6px;
  border-bottom: 2px solid #6366f1;
  color: #6366f1;
  font-weight: 800;
  letter-spacing: 0;
  vertical-align: baseline;
}
.review-blank.is-phrase { min-width: 9em; }
.review-blank.is-ok,
.review-blank.is-bad {
  min-width: 0;
  padding: 0;
  letter-spacing: 0;
}
.review-blank.is-ok { color: #16a34a; border-color: #16a34a; }
.review-blank.is-bad { color: #dc2626; border-color: #dc2626; }
.review-blank-suffix { font-weight: 800; color: #0f172a; }
.review-blank-wrap.is-ok .review-blank-suffix { color: #16a34a; }
.review-blank-wrap.is-bad .review-blank-suffix { color: #dc2626; }

.review-clue {
  margin: 10px 0 0 52px;
  font-size: 14px;
  color: #64748b;
  min-height: 1.4em;
}
.review-clue.is-off { visibility: hidden; }
.review-first-letter {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 6px;
  background: #eef2ff;
  color: #4f46e5;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.review-phon {
  display: none;
  margin: 8px 0 0 52px;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: #475569;
  font-family: "Times New Roman", serif;
}
.review-phon.is-on { display: flex; }
.review-mini-spk {
  border: 0;
  background: #eef2ff;
  color: #4f46e5;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  margin-left: 4px;
}

.review-input-wrap { padding: 12px 20px 8px; }
.review-input {
  width: 100%;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  padding: 12px 14px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  outline: none;
  letter-spacing: 0.04em;
}
.review-input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.review-input.is-ok { border-color: #22c55e; background: #f0fdf4; color: #16a34a; }
.review-input.is-bad { border-color: #ef4444; background: #fef2f2; color: #dc2626; }

.review-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px 16px;
  gap: 10px;
}
.review-actions__hint { font-size: 12px; color: #94a3b8; }
.review-peek {
  border: 0;
  background: #f1f5f9;
  color: #475569;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
}
.review-peek:hover { background: #e2e8f0; }

.review-analysis {
  display: none;
  padding: 0 20px 18px;
  border-top: 1px solid #f1f5f9;
}
.review-analysis.is-open {
  display: block;
  animation: review-down 0.22s ease;
}
@keyframes review-down {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.review-analysis__word {
  text-align: center;
  padding: 16px 0 8px;
}
.review-compare {
  text-align: center;
  max-width: 36em;
  margin: 0 auto 4px;
}
.review-compare__lab {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.review-compare__val {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 14px;
  line-height: 1.4;
  word-break: break-word;
}
.review-compare__val.is-ok { color: #16a34a; }
.review-compare__val.is-bad { color: #dc2626; }
.review-compare__empty {
  font-size: 16px;
  font-weight: 650;
  color: #94a3b8;
}
.review-diff__eq { color: inherit; }
.review-diff__del {
  background: #fee2e2;
  color: #b91c1c;
  text-decoration: line-through;
  border-radius: 3px;
  padding: 0 1px;
}
.review-diff__ins {
  background: #dcfce7;
  color: #15803d;
  border-radius: 3px;
  padding: 0 1px;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.review-analysis__meta {
  font-size: 13px;
  color: #64748b;
  margin-top: 4px;
}
.review-analysis__def {
  background: #f8fafc;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 650;
  color: #334155;
  margin: 8px 0 12px;
}
.review-block { margin-bottom: 12px; }
.review-block h4 {
  font-size: 12px;
  color: #94a3b8;
  margin: 0 0 4px;
  font-weight: 700;
}
.review-block p { margin: 0; font-size: 14px; line-height: 1.55; color: #334155; }
.review-block--tip { background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 10px 12px; }
.review-block--tip h4 { color: #b45309; }
.review-block--root { background: #eef2ff; border: 1px solid #c7d2fe; border-radius: 10px; padding: 10px 12px; }
.review-block--root h4 { color: #4338ca; }
.review-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.review-chip {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 6px;
  background: #ecfdf5;
  color: #047857;
}
.review-chip.is-ant { background: #fef2f2; color: #b91c1c; }
.review-k { font-size: 12px; color: #94a3b8; }

.speakable {
  cursor: pointer;
  border-bottom: 1px dotted rgba(99, 102, 241, 0.45);
}
.speakable:hover { color: #4f46e5; background: #eef2ff; }

/* 桌面四档 */
.review-rate-pc {
  display: none;
  padding: 0 16px 16px;
  gap: 8px;
}
.review-rate-pc.is-on { display: grid; grid-template-columns: repeat(4, 1fr); }
.review-rate-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 6px;
  border-radius: 12px;
  border: 1.5px solid;
  background: #fff;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}
.review-rate-btn small { font-size: 10px; font-weight: 650; opacity: 0.75; }
.review-rate-btn[data-rating="1"] { border-color: #ef4444; color: #ef4444; }
.review-rate-btn[data-rating="2"] { border-color: #f97316; color: #f97316; }
.review-rate-btn[data-rating="3"] { border-color: #16a34a; color: #16a34a; }
.review-rate-btn[data-rating="4"] { border-color: #2563eb; color: #2563eb; }
.review-rate-btn.is-rec {
  box-shadow: 0 0 0 3px currentColor;
  transform: translateY(-1px);
}
.review-rate-btn:focus-visible {
  outline: 3px solid #6366f1;
  outline-offset: 2px;
}

.review-foot {
  margin-top: 20px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 16px;
  padding: 16px 18px;
  font-size: 13px;
  color: #3730a3;
}
.review-foot__title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 8px;
  font-size: 14px;
}
.review-fsrs-q {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid #6366f1;
  background: #fff;
  color: #4f46e5;
  font-size: 13px;
  font-weight: 800;
  line-height: 20px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.review-fsrs-q:hover,
.review-fsrs-q:focus-visible {
  background: #6366f1;
  color: #fff;
  outline: none;
}
.review-foot p { margin: 0 0 6px; }

.review-help-ov {
  position: fixed;
  inset: 0;
  z-index: 330;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.4);
}
.review-help-ov.is-open { display: flex; }
.review-help {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 82vh;
  overflow: auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  box-shadow: 0 24px 60px -20px rgba(20, 24, 40, 0.5);
  padding: 22px 22px 18px;
  color: #0f172a;
}
.review-help__close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  color: #94a3b8;
  cursor: pointer;
  border-radius: 8px;
}
.review-help__close:hover { background: #f1f5f9; color: #0f172a; }
.review-help h3 {
  margin: 0 36px 8px 0;
  font-size: 18px;
  font-weight: 800;
}
.review-help__lead {
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
  margin: 0 0 14px;
}
.review-help h4 {
  margin: 14px 0 6px;
  font-size: 13px;
  font-weight: 800;
  color: #4338ca;
}
.review-help ul {
  margin: 0 0 8px;
  padding-left: 1.2em;
  font-size: 13px;
  line-height: 1.65;
  color: #334155;
}
.review-help p {
  font-size: 13px;
  line-height: 1.6;
  color: #334155;
  margin: 0 0 6px;
}
.review-help code {
  font-size: 12px;
  background: #eef2ff;
  padding: 1px 5px;
  border-radius: 4px;
}
.review-help__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.review-help__table th,
.review-help__table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
}
.review-help__table th {
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}
.review-help__table td:first-child {
  font-weight: 800;
  color: #4f46e5;
  width: 2em;
}
.review-kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: #fff;
  border: 1px solid #c7d2fe;
  font-size: 11px;
  font-weight: 700;
}

/* 手机底栏 */
.review-sticky {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  padding: 10px 14px calc(12px + env(safe-area-inset-bottom, 0px));
  background: #fff;
  border-top: 1px solid #e2e8f0;
  box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
}
.review-sticky.is-on { display: block; }
.review-sticky__caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.review-sticky__cap {
  height: 36px;
  border-radius: 10px;
  border: 1.5px solid #cbd5e1;
  background: #fff;
  font-weight: 800;
  color: #475569;
  cursor: pointer;
}
.review-sticky__cap.is-rec {
  border-color: #6366f1;
  color: #4f46e5;
  background: #eef2ff;
}
.review-sticky__go {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 14px;
  background: #6366f1;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 720px) {
  .review-rate-pc.is-on { display: none; }
  .app--shell .app-main.review-page.is-judged {
    padding-bottom: calc(132px + env(safe-area-inset-bottom, 0px));
  }
}
@media (min-width: 721px) {
  .review-sticky { display: none !important; }
  .review-hint-btn .review-hint-btn__mobile { display: none; }
}
@media (max-width: 720px) {
  .review-hint-btn .review-hint-btn__pc { display: none; }
}

html[data-theme="dark"] .review-rate-btn,
html[data-theme="dark"] .review-sticky,
html[data-theme="dark"] .review-sticky__cap,
html[data-theme="dark"] .review-help,
html[data-theme="dark"] .review-kbd,
html[data-theme="dark"] .review-fsrs-q {
  background: var(--surface);
  color: var(--text);
}
html[data-theme="dark"] .review-help {
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="dark"] .review-help__close:hover { background: var(--surface-2); color: var(--text); }
html[data-theme="dark"] .review-help__lead,
html[data-theme="dark"] .review-help ul,
html[data-theme="dark"] .review-help p { color: var(--text-2); }
html[data-theme="dark"] .review-help h4 { color: #a5b4fc; }
html[data-theme="dark"] .review-help code { background: var(--primary-soft); color: var(--primary-strong); }
html[data-theme="dark"] .review-help__table th,
html[data-theme="dark"] .review-help__table td { border-color: var(--border); }
html[data-theme="dark"] .review-help__table th { color: var(--text-3); }
html[data-theme="dark"] .review-foot {
  background: var(--primary-soft);
  border-color: var(--primary-soft-2);
  color: var(--primary-strong);
}
html[data-theme="dark"] .review-sticky { border-top-color: var(--border); }
html[data-theme="dark"] .review-sticky__cap { border-color: var(--border); color: var(--text-2); }
html[data-theme="dark"] .review-sticky__cap.is-rec {
  border-color: var(--primary);
  color: var(--primary-strong);
  background: var(--primary-soft);
}
html[data-theme="dark"] .review-progress__bar { background: #2a2e38; }
html[data-theme="dark"] .review-hint-btn { background: var(--surface-2); }
html[data-theme="dark"] .review-hint-btn:hover { background: var(--primary-soft); border-color: var(--primary-soft-2); color: var(--primary-strong); }
html[data-theme="dark"] .review-sentence__play { background: var(--primary-soft); }
html[data-theme="dark"] .review-sentence__play:hover { background: #2a2e4a; }
html[data-theme="dark"] .review-sentence__en { color: var(--text); }
html[data-theme="dark"] .review-clue { color: var(--text-3); }
html[data-theme="dark"] .review-first-letter,
html[data-theme="dark"] .review-mini-spk {
  background: var(--primary-soft);
  color: var(--primary-strong);
}
html[data-theme="dark"] .review-phon { color: var(--text-2); }
html[data-theme="dark"] .review-input { background: var(--surface-2); color: var(--text); border-color: var(--border); }
html[data-theme="dark"] .review-peek { background: var(--surface-2); }
html[data-theme="dark"] .review-peek:hover { background: #343845; }
html[data-theme="dark"] .review-compare__val { color: var(--text); }
html[data-theme="dark"] .review-block p { color: var(--text-2); }
html[data-theme="dark"] .review-block--tip { background: rgba(245, 158, 11, .12); border-color: rgba(245, 158, 11, .28); }
html[data-theme="dark"] .review-block--root { background: var(--primary-soft); border-color: var(--primary-soft-2); }
html[data-theme="dark"] .review-input.is-ok { background: rgba(22, 163, 74, .16); }
html[data-theme="dark"] .review-input.is-bad { background: rgba(239, 68, 68, .16); }
html[data-theme="dark"] .speakable:hover { color: #a5b4fc; background: var(--primary-soft); }