/* Writer-specific styles. The shared shell (header + bento) lives in
   /static/css/styles.css. */

.writer-page { overscroll-behavior-y: contain; }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  height: calc(100dvh - var(--header-h, 60px));
}
.sidebar {
  border-right: 1px solid var(--bs-border-color);
  background: #fff;
  overflow-y: auto;
  padding: 1rem;
}
.main {
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  background: var(--app-bg, #f7f7f9);
}

.deck-item { cursor: pointer; }
.deck-item.active { background: #e9f2ff; border-color: var(--bs-primary); }

.card-meta {
  font-size: 0.9rem;
  color: var(--bs-secondary-color, #6c757d);
  margin-bottom: .25rem;
  text-align: center;
}
.stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  flex-wrap: wrap;
}
.nav-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.position-counter {
  min-width: 110px;
  border-radius: 999px;
}
.char-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.char-cell {
  position: relative;
  perspective: 1200px;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 0;
  display: inline-block;
  vertical-align: top;
}
.char-cell-inner {
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  transition: transform .5s ease;
}
.char-cell.is-flipped .char-cell-inner { transform: rotateY(180deg); }
.char-cell-face {
  background: #fff;
  border: 1px solid var(--bs-border-color);
  border-radius: 12px;
  padding: .5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.char-cell-front { position: relative; }
.char-cell-back {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  transform: rotateY(180deg);
  justify-content: center;
  text-align: center;
  gap: 0.4rem;
}
.cc-back-hanzi {
  font-family: var(--font-cn, 'PingFang SC', 'Noto Sans CJK SC', sans-serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--bs-primary);
  margin-top: 0.25rem;
}
.cc-back-pinyin {
  font-size: 1rem;
  font-weight: 600;
  color: var(--bs-primary);
}
.cc-back-defs {
  font-size: 0.78rem;
  color: var(--bs-secondary-color);
  line-height: 1.35;
  max-width: 100%;
  overflow-wrap: anywhere;
  padding: 0 0.25rem;
}
.cc-reading {
  margin-bottom: 0.15rem;
}
.cc-reading-pinyin {
  font-weight: 600;
  color: var(--bs-primary);
}
.cc-back-empty {
  color: var(--bs-secondary-color);
  font-style: italic;
}
.cc-back-flip {
  margin-top: auto;
  padding: 0.1rem 0.55rem;
  font-size: 0.75rem;
}
.char-cell.dim { opacity: 0.35; }
.char-cell .pinyin {
  font-size: 0.85rem;
  color: var(--bs-secondary-color);
  margin-top: .25rem;
  min-height: 1em;
}
.char-cell .ctrl {
  position: absolute;
  top: .25rem;
  right: .25rem;
  display: flex;
  gap: .25rem;
}
.char-cell .ctrl button {
  padding: 0 .35rem;
  font-size: .75rem;
  line-height: 1.4;
}

.writer-target {
  background: #fff;
  border-radius: 10px;
  display: block;
}
.writer-target:not(.has-grid) {
  border: 1px dashed #ced4da;
}
.writer-target.has-grid {
  border: none;
}

/* ----- Card info panel (rich fields below the char row) ----- */
.card-info {
  max-width: 760px;
  margin: 0.75rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: left;
}
.card-info .ci-line {
  background: #fff;
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  font-size: 0.95rem;
}
.card-info .ci-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bs-secondary-color);
  flex-shrink: 0;
  min-width: 84px;
}
.card-info .ci-val {
  flex: 1;
  line-height: 1.5;
  white-space: pre-wrap;
}
.card-info .ci-zh-sent .ci-val,
.card-info .ci-zh-dlg .ci-val {
  font-family: var(--font-cn, 'PingFang SC', sans-serif);
  font-size: 1.05rem;
}
.card-info .ci-zh-sent strong,
.card-info .ci-zh-dlg strong {
  color: var(--bs-primary);
  font-weight: 700;
}
.card-info .ci-pinyin .ci-val { color: var(--bs-primary); font-weight: 500; }

/* Field-toggle grid (shared style with Flashcards) */
.field-grid {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) auto;
  gap: 0.4rem 0.75rem;
  align-items: center;
}
.field-row { display: contents; }
.field-row .field-label { font-size: 0.92rem; }
.field-pills {
  display: inline-flex;
  border: 1px solid var(--bs-border-color);
  border-radius: 99px;
  background: #f3f4f6;
  padding: 2px;
  gap: 2px;
}
.field-pills input { position: absolute; opacity: 0; pointer-events: none; }
.field-pills label {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: 99px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--bs-secondary-color);
}
.field-pills input:checked + label {
  background: var(--bs-primary);
  color: #fff;
}

.empty-state {
  text-align: center;
  color: var(--bs-secondary-color);
  padding: 2rem;
}

textarea#deck-lines { font-family: inherit; min-height: 120px; }

/* Mobile drawer */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 1040;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 0 0 20px rgba(0,0,0,.15);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 1039;
    display: none;
  }
  .sidebar-backdrop.show { display: block; }
}