:root {
  color-scheme: light;
  --bg: #f6f1e8;
  --surface: #fffaf1;
  --surface-strong: #ffffff;
  --ink: #243036;
  --muted: #66737a;
  --line: #dacfc0;
  --teal: #147c7f;
  --teal-dark: #0c5558;
  --coral: #d84f3f;
  --amber: #d99a19;
  --green: #508a56;
  --blue: #4267a7;
  --shadow: 0 22px 60px rgba(39, 43, 45, 0.12);
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Sans", "Yu Gothic", sans-serif;
}

:root[data-theme="night"] {
  color-scheme: dark;
  --bg: #171a1c;
  --surface: #22272a;
  --surface-strong: #2b3135;
  --ink: #f5f0e7;
  --muted: #aab3b8;
  --line: #454d52;
  --teal: #5abfc0;
  --teal-dark: #91dbdb;
  --coral: #f07667;
  --amber: #f2bd52;
  --green: #8fc28d;
  --blue: #8ea9df;
  --shadow: 0 20px 52px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

button,
select,
input {
  min-height: 44px;
}

button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.78rem 0.95rem;
  font-weight: 750;
}

button:hover {
  border-color: var(--teal);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--teal), transparent 62%);
  outline-offset: 2px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

:lang(zh-Hant),
.show-chinese,
.dialog-chinese,
.zh {
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
}

.app-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 1rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.55rem, 5vw, 2.35rem);
  line-height: 1.04;
}

h2 {
  font-size: 1.28rem;
  line-height: 1.2;
}

h3 {
  font-size: 0.95rem;
  line-height: 1.2;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.show-card,
.workspace {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.show-card {
  position: sticky;
  top: 1rem;
  grid-row: 1 / span 2;
  padding: 1rem;
}

.show-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  color: var(--muted);
  font-weight: 850;
  margin-bottom: 0.75rem;
}

.show-art-wrap {
  display: grid;
  place-items: center;
  min-height: 92px;
  margin-bottom: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--teal), var(--line) 68%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--teal), var(--surface-strong) 92%);
  overflow: hidden;
}

.show-art {
  width: min(100%, 180px);
  height: 92px;
  object-fit: contain;
}

.show-japanese {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
  margin-bottom: 0.55rem;
}

.show-chinese {
  font-size: clamp(2.25rem, 8vw, 4.1rem);
  line-height: 1.05;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.show-reading {
  margin-top: 0.9rem;
  color: var(--teal-dark);
  font-weight: 850;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.show-note {
  margin-top: 0.75rem;
  color: var(--muted);
  line-height: 1.55;
}

.review-badge {
  display: inline-flex;
  width: fit-content;
  margin-top: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--green), var(--line) 58%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--green), var(--surface-strong) 86%);
  color: var(--ink);
  padding: 0.28rem 0.58rem;
  font-size: 0.78rem;
  font-weight: 850;
}

.review-badge.warning {
  border-color: color-mix(in srgb, var(--amber), var(--line) 45%);
  background: color-mix(in srgb, var(--amber), var(--surface-strong) 82%);
}

.review-badge.generated {
  border-color: color-mix(in srgb, var(--blue), var(--line) 45%);
  background: color-mix(in srgb, var(--blue), var(--surface-strong) 86%);
}

.action-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1rem;
}

.action-row button {
  padding-inline: 0.55rem;
  white-space: nowrap;
}

.primary-action,
button.primary-action {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

:root[data-theme="night"] .primary-action,
:root[data-theme="night"] button.primary-action {
  color: #102022;
}

.icon-button {
  width: 44px;
  padding: 0;
  flex: 0 0 auto;
}

.star-button.active {
  background: color-mix(in srgb, var(--amber), white 72%);
  border-color: var(--amber);
  color: #684500;
}

.view-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.5rem;
  grid-column: 2;
}

.tab-button {
  min-width: 0;
  padding-inline: 0.35rem;
  color: var(--muted);
}

.tab-button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface-strong);
}

.workspace {
  grid-column: 2;
  min-height: 600px;
  overflow: hidden;
}

.view-panel {
  display: none;
  padding: 1rem;
}

.view-panel.active {
  display: block;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.heading-copy {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.section-art {
  width: 86px;
  height: 64px;
  object-fit: contain;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-strong), transparent 18%);
}

.field-group {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.field-group label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 850;
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  padding: 0.78rem 0.85rem;
}

.builder-block {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  margin-top: 1rem;
}

.builder-block h3 {
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(144px, 1fr));
  gap: 0.6rem;
}

.choice-grid.compact {
  grid-template-columns: repeat(5, minmax(48px, 1fr));
}

.choice-card {
  justify-content: flex-start;
  align-items: start;
  text-align: left;
  min-height: 74px;
  padding: 0.75rem;
  display: grid;
  gap: 0.24rem;
}

.choice-grid.compact .choice-card {
  min-height: 54px;
  place-items: center;
  text-align: center;
}

.choice-card strong {
  font-size: 1rem;
  line-height: 1.2;
}

.choice-card span {
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.25;
}

.choice-card.active {
  border-color: var(--teal);
  background: color-mix(in srgb, var(--teal), var(--surface-strong) 87%);
}

.choice-card.option.active {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green), var(--surface-strong) 86%);
}

.result-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.8rem;
  align-items: center;
  background: var(--ink);
  color: var(--surface-strong);
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius);
}

.result-strip .eyebrow {
  color: color-mix(in srgb, var(--surface-strong), transparent 26%);
}

.result-strip p:last-child {
  margin-top: 0.3rem;
  font-size: clamp(1.25rem, 4vw, 1.8rem);
  line-height: 1.18;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.search-row {
  margin-bottom: 0.75rem;
}

.chip-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.45rem;
  margin-bottom: 0.75rem;
}

.chip {
  white-space: nowrap;
  min-height: 38px;
  padding: 0.48rem 0.72rem;
  color: var(--muted);
}

.chip.active {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue), var(--surface-strong) 86%);
  color: var(--ink);
}

.phrase-grid,
.question-grid,
.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
}

.phrase-card,
.question-card,
.safety-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  min-height: 154px;
  padding: 0.9rem 5.25rem 0.9rem 0.9rem;
  display: grid;
  gap: 0.55rem;
  text-align: left;
  align-content: start;
  overflow: hidden;
}

.phrase-card:hover,
.question-card:hover,
.safety-card:hover {
  transform: translateY(-1px);
}

.card-tag {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 850;
}

.card-illustration {
  position: absolute;
  top: 0.75rem;
  right: 0.65rem;
  width: 62px;
  height: 52px;
  object-fit: contain;
  pointer-events: none;
}

.phrase-card .jp,
.safety-card .jp {
  color: var(--muted);
  line-height: 1.35;
}

.phrase-card .zh,
.safety-card .zh {
  font-size: 1.48rem;
  line-height: 1.15;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.phrase-card .reading,
.safety-card .reading {
  color: var(--teal-dark);
  font-size: 0.9rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.question-card {
  min-height: 0;
}

.question-prompt {
  display: grid;
  gap: 0.35rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.question-prompt .jp {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.question-prompt .zh {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.18;
}

.answer-list {
  display: grid;
  gap: 0.5rem;
}

.answer-button {
  display: grid;
  justify-content: stretch;
  gap: 0.2rem;
  text-align: left;
  min-height: 68px;
  padding: 0.68rem 0.75rem;
}

.answer-button strong {
  font-size: 1.12rem;
  line-height: 1.18;
}

.answer-button span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.28;
}

.safety-card {
  border-left: 5px solid var(--coral);
}

.safety-card[data-tone="medical"] {
  border-left-color: var(--coral);
}

.safety-card[data-tone="navigation"] {
  border-left-color: var(--blue);
}

.safety-card[data-tone="diet"] {
  border-left-color: var(--green);
}

.empty-state {
  min-height: 220px;
}

.empty-message {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
  color: var(--muted);
  line-height: 1.55;
  background: color-mix(in srgb, var(--surface-strong), transparent 40%);
}

.large-dialog {
  width: min(860px, calc(100vw - 1.2rem));
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface-strong);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.large-dialog::backdrop {
  background: rgba(12, 18, 20, 0.74);
}

.close-button {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
}

.dialog-content {
  min-height: 70vh;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: 2rem 1.2rem;
  text-align: center;
}

.dialog-japanese {
  color: var(--muted);
  font-size: clamp(1.2rem, 4vw, 2rem);
  line-height: 1.35;
}

.dialog-chinese {
  font-size: clamp(4rem, 18vw, 9rem);
  line-height: 1;
  font-weight: 950;
  overflow-wrap: anywhere;
}

.dialog-reading {
  color: var(--teal-dark);
  font-size: clamp(1.15rem, 3.5vw, 2rem);
  font-weight: 850;
  overflow-wrap: anywhere;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%) translateY(140%);
  background: var(--ink);
  color: var(--surface-strong);
  padding: 0.78rem 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 160ms ease;
  z-index: 20;
  max-width: min(92vw, 420px);
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

.quick-show-bar {
  display: none;
}

.quick-show-bar[hidden] {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 840px) {
  body {
    padding-bottom: 5.8rem;
  }

  .app-shell {
    padding: 0.75rem;
  }

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

  .show-card,
  .view-tabs,
  .workspace {
    grid-column: 1;
  }

  .show-card {
    position: static;
    grid-row: auto;
  }

  .workspace {
    min-height: 520px;
  }

  .view-tabs {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg);
    padding-block: 0.25rem;
  }

  .quick-show-bar {
    position: fixed;
    right: 0.75rem;
    bottom: 0.75rem;
    left: 0.75rem;
    z-index: 15;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
    padding: 0.68rem;
  }

  .quick-show-bar p:first-child {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
    line-height: 1.25;
  }

  .quick-show-bar p:last-child {
    font-size: 1.08rem;
    font-weight: 900;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 520px) {
  .topbar {
    align-items: start;
  }

  .brand-mark {
    width: 50px;
    height: 50px;
  }

  .action-row {
    grid-template-columns: 1fr;
  }

  .tab-button {
    min-height: 52px;
    display: grid;
    gap: 0.1rem;
    padding: 0.4rem 0.18rem;
    font-size: 0.9rem;
  }

  .choice-grid,
  .phrase-grid,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .choice-grid.compact {
    grid-template-columns: repeat(5, minmax(44px, 1fr));
  }

  .result-strip {
    grid-template-columns: 1fr;
  }

  .result-strip button {
    width: 100%;
  }
}