/* 补充基础知识：本地知识条目 */
.supplement-app {
  max-width: 820px;
}

.supplement-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 2px 0 16px;
  border-bottom: 1px solid var(--line);
}

.supplement-deck {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.85;
}

.supplement-new {
  flex: 0 0 auto;
  padding: 7px 13px;
  color: var(--accent-deep);
  background: transparent;
  border: 1px solid rgba(198, 94, 56, 0.45);
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.supplement-new:hover {
  color: #fff;
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.supplement-form {
  display: grid;
  gap: 12px;
  margin: 18px 0 8px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.supplement-field {
  display: grid;
  gap: 6px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.supplement-field input,
.supplement-field textarea,
.supplement-toolbar input {
  width: 100%;
  padding: 9px 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.34);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.75;
}

.supplement-field textarea {
  min-height: 150px;
  resize: vertical;
}

.supplement-field input:focus,
.supplement-field textarea:focus,
.supplement-toolbar input:focus {
  outline: none;
  border-color: rgba(198, 94, 56, 0.52);
  background: rgba(255, 255, 255, 0.58);
}

.supplement-form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.supplement-save {
  padding: 6px 14px;
  color: #fff;
  background: var(--accent-deep);
  border: 1px solid var(--accent-deep);
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
}

.supplement-save:hover { background: var(--accent); }

.supplement-cancel {
  padding: 6px 10px;
  color: var(--ink-faint);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 10.5px;
}

.supplement-cancel:hover { color: var(--ink); }

.supplement-hint {
  margin: 0;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.7;
}

.supplement-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 14px 0 4px;
}

.supplement-toolbar input {
  flex: 1 1 auto;
  max-width: 300px;
  padding: 6px 9px;
  font-size: 12.5px;
}

.supplement-toolbar span {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.supplement-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.supplement-item {
  padding: 16px 0 14px;
  border-top: 1px solid var(--line);
}

.supplement-item:first-child { border-top: 0; }

.supplement-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.supplement-item-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

.supplement-item-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.02em;
}

.supplement-item-meta button {
  padding: 0;
  color: var(--ink-faint);
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 9.5px;
}

.supplement-item-meta button:hover {
  color: var(--accent-deep);
  border-bottom-color: rgba(198, 94, 56, 0.4);
}

.supplement-body {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.supplement-empty {
  margin: 18px 0 0;
  padding: 18px 0;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.8;
}

@media (max-width: 680px) {
  .supplement-head { flex-direction: column; gap: 10px; }
  .supplement-item-head { flex-direction: column; gap: 4px; }
  .supplement-item-meta { align-self: flex-start; }
  .supplement-toolbar { flex-wrap: wrap; gap: 8px; }
  .supplement-toolbar input { max-width: none; }
}

/* 补充页不属于 33 节阅读进度，隐藏顶部进度条与百分比 */
body[data-view="supplement"] .section-rail::before { display: none; }
body[data-view="supplement"] .rail-progress { visibility: hidden; }