* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: #1e293b;
  background: #f1f5f9;
}

.admin-body {
  min-height: 100vh;
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 220px;
  background: #0f172a;
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.brand {
  padding: 1.25rem 1rem;
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid #1e293b;
}

.side-nav {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0;
  flex: 1;
}

.side-nav a {
  color: #94a3b8;
  text-decoration: none;
  padding: 0.65rem 1.25rem;
  border-left: 3px solid transparent;
}

.side-nav a:hover {
  color: #f8fafc;
  background: #1e293b;
}

.side-nav a.active {
  color: #38bdf8;
  background: #1e293b;
  border-left-color: #38bdf8;
}

.side-footer {
  padding: 1rem;
  border-top: 1px solid #1e293b;
}

.btn-link {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 0;
  font-size: 14px;
}

.btn-link:hover {
  color: #f8fafc;
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
}

.admin-top h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.admin-user {
  color: #64748b;
  font-size: 13px;
}

.admin-content {
  padding: 1.25rem 1.5rem;
  flex: 1;
}

.flash-wrap {
  padding: 0 1.5rem;
  margin-top: 0.75rem;
}

.alert {
  padding: 0.65rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.alert-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.alert-success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.stat-label {
  color: #64748b;
  font-size: 13px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0.35rem 0;
}

.stat-link {
  font-size: 13px;
  color: #0284c7;
  text-decoration: none;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* 小说列表：新增 / 文本导入 / AI 专属 成组 */
.novel-toolbar-group {
  align-items: center;
  padding: 0.35rem 0.5rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

textarea.input-word-ids {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
  padding: 0.5rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  resize: vertical;
  min-height: 5.5rem;
}

.import-bar {
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.import-bar .small {
  font-size: 12px;
  flex: 1 1 220px;
}

.import-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.import-form input[type="file"] {
  max-width: 260px;
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filter-form input,
.filter-form select {
  padding: 0.45rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  min-width: 140px;
}

.table-wrap {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  overflow: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.data-table th,
.data-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.data-table th {
  background: #f8fafc;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #64748b;
}

.cell-clip {
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-clip.small {
  max-width: 280px;
  font-size: 12px;
  color: #64748b;
}

.cell-actions {
  white-space: nowrap;
}

.cell-actions .inline-form {
  display: inline-block;
  margin-left: 0.35rem;
}

.empty-row {
  text-align: center;
  color: #94a3b8;
  padding: 2rem !important;
}

.pager {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  color: #64748b;
}

.pager a {
  color: #0284c7;
  text-decoration: none;
}

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: #0284c7;
  color: #fff;
}

.btn-primary:hover {
  background: #0369a1;
}

.btn-secondary {
  background: #fff;
  color: #334155;
  border-color: #cbd5e1;
}

.btn-secondary:hover {
  background: #f8fafc;
}

.btn-sm {
  padding: 0.3rem 0.55rem;
  font-size: 12px;
}

.btn-danger {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fecaca;
}

.btn-danger:hover {
  background: #fee2e2;
}

.btn-block {
  display: block;
  width: 100%;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.badge.ok {
  background: #d1fae5;
  color: #047857;
}

.badge.off {
  background: #f1f5f9;
  color: #64748b;
}

.form-card {
  max-width: 640px;
  background: #fff;
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}

/* 章节正文：宽版 + 长行在框内折行（含无空格中文） */
.form-card.form-card--chapter {
  max-width: min(960px, 100%);
}

.form-card textarea.chapter-body-textarea {
  display: block;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
  min-height: 22rem;
  line-height: 1.65;
  font-size: 14px;
  box-sizing: border-box;
  resize: vertical;
}

.form-card label {
  display: block;
  margin-top: 0.85rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
  color: #475569;
}

.form-card label:first-of-type {
  margin-top: 0;
}

.req {
  color: #dc2626;
}

.form-card input[type="text"],
.form-card input[type="url"],
.form-card input[type="number"],
.form-card input[type="password"],
.form-card select,
.form-card textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-family: inherit;
}

.form-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
}

.hint {
  color: #64748b;
  font-size: 13px;
  margin: 0 0 1rem;
}

.muted {
  color: #64748b;
  font-size: 13px;
}

.card-like {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.card-like h3 {
  margin-top: 0;
}

.card-like label {
  display: block;
  margin-top: 0.75rem;
  font-weight: 500;
}

.card-like input,
.card-like select {
  margin-top: 0.25rem;
  max-width: 480px;
  width: 100%;
  padding: 0.4rem 0.5rem;
}

.small {
  font-size: 12px;
}

/* login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.login-card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.login-card form {
  margin-top: 1.25rem;
}

.login-card input {
  width: 100%;
  margin-bottom: 0.75rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

.login-card label {
  display: block;
  font-size: 13px;
  color: #64748b;
  margin-bottom: 0.2rem;
}

.login-card .btn {
  margin-top: 0.5rem;
}