/* ============================================================
   可复用组件库
   ============================================================ */

/* 通用卡片 */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border-light);
  color: var(--text-main);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.card + .card { margin-top: 16px; }

/* 按钮系统 */
.btn { display: inline-block; padding: 0.6rem 1.4rem; background: var(--gradient-primary); color: #fff; border: none; border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: var(--transition); box-shadow: var(--shadow-btn); }
.btn:hover { background: var(--gradient-hover); transform: translateY(-1px); box-shadow: var(--shadow-btn-hover); }
.btn:active { transform: scale(0.98) translateY(0); }
.btn:disabled { background: var(--border); color: var(--text-muted); cursor: not-allowed; transform: none; box-shadow: none; }
.btn + .btn { margin-left: 8px; }

.btn-back { padding: 6px 14px; background: var(--bg-card); color: var(--text-secondary); border: 1px solid var(--border); border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: var(--transition); }
.btn-back:hover { background: var(--bg-hover); color: var(--text-main); border-color: var(--primary-light); }

.btn-cancel { padding: 6px 14px; background: var(--bg-card); color: var(--error); border: 1px solid var(--error-light); border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: var(--transition); }
.btn-cancel:hover { background: var(--error-soft); color: var(--error); border-color: var(--error-light); }

.btn-sm { padding: 5px 12px; background: var(--bg-subtle); color: var(--text-main); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.75rem; cursor: pointer; transition: var(--transition); }
.btn-sm:hover { background: var(--bg-hover); }
.btn-sm.secondary { background: #eff6ff; color: var(--primary); border-color: #bfdbfe; }
.btn-sm.secondary:hover { background: #dbeafe; }

.btn-browse { background: var(--gradient-primary); border: none; padding: 0.6rem 1.4rem; border-radius: var(--radius-pill); font-weight: 600; font-size: 0.85rem; transition: var(--transition); cursor: pointer; color: #fff; display: inline-flex; align-items: center; gap: 6px; position: absolute; bottom: 14px; right: 14px; box-shadow: var(--shadow-btn); }
.btn-browse:hover { background: var(--gradient-hover); transform: translateY(-1px); box-shadow: var(--shadow-btn-hover); }

.btn-save {
  background: var(--gradient-primary);
  border: none;
  flex: 1;
  padding: 0.85rem 0;
  border-radius: 2.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-btn);
}
.btn-save:hover {
  background: var(--gradient-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn-hover);
}
.btn-save:active { transform: translateY(1px); }
.btn-save:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.btn-test { padding: 0.75rem 1.5rem; border-radius: 2rem; border: none; background: var(--primary); color: #fff; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all var(--transition); flex-shrink: 0; }
.btn-test:hover { background: var(--primary-dark); }
.btn-test:disabled { opacity: 0.5; cursor: not-allowed; }

.doc-review-btn { padding: 6px 14px; background: var(--gradient-primary); color: #fff; border: none; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.doc-review-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-btn-hover); }

.action-bar { padding: 8px 0 4px; display: flex; justify-content: flex-end; align-items: center; gap: 14px; }

/* 表单系统 */
.form-row { display: flex; gap: 1.2rem; margin-top: 1.5rem; flex-wrap: wrap; }
.input-group { flex: 1; min-width: 140px; }
.input-group label { display: block; font-size: 0.75rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0.3rem; letter-spacing: 0.3px; }
.input-group input, .input-group select { width: 100%; padding: 0.6rem 0.9rem; border-radius: 60px; border: 1.2px solid var(--border); background: var(--bg-card); font-size: 0.85rem; outline: none; transition: var(--transition); color: var(--text-main); }
.input-group input:focus, .input-group select:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); }

label { display: block; font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 5px; font-weight: 500; }
input[type="text"], input[type="password"] { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.85rem; outline: none; background: var(--bg-card); transition: border-color var(--transition), box-shadow var(--transition); color: var(--text-main); }
input:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); outline: none; }

.input-hint { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 6px; margin-left: 8px; }
.msg-helper {
  font-size: 0.7rem;
  margin-top: 6px;
  margin-left: 8px;
  color: var(--text-secondary);
  transition: 0.1s;
  display: inline-block;
}
.msg-helper.success { color: var(--success); background: var(--success-light); padding: 2px 12px; border-radius: 30px; }
.msg-helper.error { color: var(--error); background: var(--error-soft); padding: 2px 12px; border-radius: 30px; }
.msg-helper:empty { display: none; }

.api-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.api-wrapper input { padding-right: 48px; font-family: 'SF Mono', 'Fira Code', monospace; }
.eye-toggle {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 40px;
  transition: all var(--transition);
  color: var(--text-muted);
}
.eye-toggle:hover { background: var(--bg-hover); color: var(--primary); }
.eye-toggle svg { width: 18px; height: 18px; stroke-width: 1.8; }

/* 弹窗 */
.modal-overlay { position: fixed; inset: 0; background: rgba(15,23,42,0.45); backdrop-filter: blur(4px); z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.confirm-dialog { background: var(--bg-card); border-radius: var(--radius-lg); padding: 24px 28px; width: 90%; max-width: 380px; box-shadow: var(--shadow-lg); transform: scale(0.92); transition: transform 0.2s; }
.modal-overlay.active .confirm-dialog { transform: scale(1); }
.confirm-dialog .cd-title { font-size: 1.1rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.confirm-dialog .cd-msg { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 16px; white-space: pre-line; }
.confirm-dialog .cd-actions { display: flex; gap: 10px; justify-content: flex-end; }
.confirm-dialog .cd-btn { padding: 10px 22px; border-radius: 10px; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all var(--transition); border: none; }
.confirm-dialog .cd-btn.cancel { background: var(--bg-subtle); color: var(--text-secondary); }
.confirm-dialog .cd-btn.cancel:hover { background: var(--border); }
.confirm-dialog .cd-btn.confirm { background: var(--gradient-primary); color: #fff; }
.confirm-dialog .cd-btn.confirm:hover { transform: translateY(-1px); box-shadow: var(--shadow-btn-hover); }

/* Toast */
.toast { position: fixed; top: 18%; left: 50%; transform: translateX(-50%); background: rgba(30,41,59,0.92); backdrop-filter: blur(8px); color: white; padding: 10px 22px; border-radius: 50px; font-size: 0.85rem; font-weight: 500; pointer-events: none; z-index: 999; transition: opacity 0.2s; white-space: nowrap; box-shadow: var(--shadow-lg); }

.result-toast {
  position: fixed;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  text-align: center;
  padding: 10px 22px;
  border-radius: 50px;
  background: rgba(30,41,59,0.92);
  backdrop-filter: blur(8px);
  color: #fff;
  font-weight: 500;
  pointer-events: none;
  z-index: 999;
  transition: opacity 0.2s;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}
.result-toast.show { display: block; }
.result-toast.error { background: rgba(127,29,29,0.92); }

.test-toast {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  display: none;
  line-height: 1.5;
}
.test-toast.show { display: block; }
.test-toast.success { background: var(--success-light); color: var(--success); font-weight: 500; }
.test-toast.error { background: var(--error-soft); color: var(--error); font-weight: 500; }

/* 结果消息 */
.result { margin-top: 12px; padding: 10px 12px; background: var(--bg-hover); border-radius: var(--radius-sm); font-size: 0.8rem; display: none; white-space: pre-wrap; }
.result.show { display: block; }
.result.error { background: var(--error-soft); color: var(--error); }

/* 加载 */
.spinner { width: 28px; height: 28px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 年级按钮 */
.grade-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 0; }
.grade-btn { padding: 14px 0; border: 2px solid var(--border); border-radius: var(--radius-md); background: var(--bg-card); font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: var(--transition); color: var(--text-secondary); }
.grade-btn:hover { border-color: var(--primary-light); color: var(--primary); }
.grade-btn.active { background: var(--gradient-primary); color: #fff; border-color: var(--primary-dark); }

.grade-segment-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 6px; }
.grade-detail-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.grade-detail-row:empty { display: none; }

/* 自定义checkbox */
.chapter-header input[type="checkbox"],
.chunk-select-card input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  background: var(--bg-card);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.chunk-select-card input[type="checkbox"] { margin-top: 3px; }
.chapter-header input[type="checkbox"]:hover,
.chunk-select-card input[type="checkbox"]:hover { border-color: var(--primary-light); }
.chapter-header input[type="checkbox"]:checked,
.chunk-select-card input[type="checkbox"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}
.chapter-header input[type="checkbox"]:checked::after,
.chunk-select-card input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 45%;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -50%) rotate(45deg);
}

/* 通用滚动条 */
.file-list::-webkit-scrollbar { width: 4px; }
.file-list::-webkit-scrollbar-track { background: var(--bg-subtle); }
.file-list::-webkit-scrollbar-thumb { background: #cbd5e3; border-radius: 8px; }

/* ============================================================
   通用工具类（提取自内联样式）
   ============================================================ */
.filter-select { font-size: 0.8rem; color: var(--text-main); padding: 4px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-subtle); cursor: pointer; transition: var(--transition); }
.filter-select:hover { border-color: var(--primary-light); }
.panel-title { font-size: 0.9rem; font-weight: 600; color: var(--text-main); }
.text-secondary-sm { font-size: 0.8rem; color: var(--text-secondary); }
.text-error-sm { font-size: 0.8rem; color: var(--error); }

/* 布局工具类 */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-end { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.gap-10 { gap: 10px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

/* 间距工具类 */
.mt-8 { margin-top: 8px; }
.mt-10 { margin-top: 10px; }
.mt-14 { margin-top: 14px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-4 { margin-bottom: 4px; }
.mb-6 { margin-bottom: 6px; }
.mb-10 { margin-bottom: 10px; }
.mb-14 { margin-bottom: 14px; }

/* 其他工具类 */
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.relative { position: relative; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }

/* 间距补充 */
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mt-20 { margin-top: 20px; }
.mr-16 { margin-right: 16px; }
.mr-auto { margin-right: auto; }

/* ============================================================
   Prompt 调试面板样式
   ============================================================ */

.pd-subtabs {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 16px;
  gap: 4px;
}
.pd-subtab {
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .2s, border-color .2s;
}
.pd-subtab:hover { color: var(--primary-light); }
.pd-subtab.active {
  color: var(--primary);
  border-color: var(--primary);
  font-weight: 500;
}
.pd-subpanel { display: none; }
.pd-subpanel.active { display: block; animation: fadeIn .25s ease; }

.pd-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.pd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.pd-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 14px;
  transition: box-shadow .2s;
}
.pd-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.pd-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.pd-card-title { font-weight: 600; font-size: 15px; color: var(--text-main); }
.pd-card-tag {
  font-size: 11px;
  color: var(--text-muted);
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 999px;
}
.pd-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  min-height: 18px;
}
.pd-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pd-editor { margin-top: 10px; }
.pd-editor-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.pd-preview-box {
  margin-top: 10px;
  padding: 10px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.pd-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 768px) {
  .pd-compare { grid-template-columns: 1fr; }
}
.pd-compare-col {}
.pd-compare-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.pd-compare-pre {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 10px;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow: auto;
}
.pd-compare-pre.default { background: #f1f5f9; }

.pd-section { margin-bottom: 24px; }
.pd-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.pd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.pd-table th,
.pd-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border-light);
}
.pd-table th {
  font-weight: 600;
  color: var(--text-muted);
  background: #f8fafc;
}
.pd-td-key { font-weight: 500; white-space: nowrap; }
.pd-td-desc { color: var(--text-muted); }
.pd-td-val { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pd-td-act { white-space: nowrap; }

.pd-preset-wrap { display: flex; flex-direction: column; gap: 10px; }
.pd-preset-card {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}
.pd-preset-card.active {
  border-color: var(--primary);
  background: #f0f9ff;
}
.pd-preset-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.pd-preset-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.pd-preset-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pd-preset-editor {
  margin-top: 12px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}

.pd-form-row { margin-bottom: 14px; }
.pd-form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 6px;
}
.pd-form-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.pd-result-box {
  margin-top: 10px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid var(--border-light);
}
.pd-result-section { margin-bottom: 14px; }
.pd-result-section:last-child { margin-bottom: 0; }
.pd-result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.pd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background .2s;
}
.pd-btn:hover { background: var(--primary-light); }
.pd-btn.small { padding: 4px 10px; font-size: 12px; }
.pd-btn.secondary {
  background: #fff;
  color: var(--text-main);
  border: 1px solid var(--border-light);
}
.pd-btn.secondary:hover { background: #f8fafc; }
.pd-btn.danger {
  background: #fff;
  color: #dc2626;
  border: 1px solid #fecaca;
}
.pd-btn.danger:hover { background: #fef2f2; }

.pd-input,
.pd-select,
.pd-textarea {
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: #fff;
  color: var(--text-main);
  box-sizing: border-box;
}
.pd-textarea { resize: vertical; font-family: monospace; }
.pd-select { max-width: 360px; }

.pd-badge {
  display: inline-block;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  font-weight: 500;
}
.pd-badge.same {
  background: #dcfce7;
  color: #166534;
}
.pd-badge.diff {
  background: #fee2e2;
  color: #991b1b;
}

.pd-loading {
  font-size: 13px;
  color: var(--text-muted);
  padding: 8px 0;
}
.pd-error {
  font-size: 13px;
  color: #dc2626;
  padding: 8px 0;
}
.pd-empty {
  font-size: 13px;
  color: var(--text-muted);
  padding: 12px 0;
  text-align: center;
}

/* 用户资料卡片（苹果设置风格） */
.profile-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
}
.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}
.profile-row:last-child {
  border-bottom: none;
}
.profile-label {
  font-size: 0.85rem;
  color: var(--text-main);
  font-weight: 500;
  flex-shrink: 0;
  width: 60px;
}
.profile-value-group {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.profile-value {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.profile-input[type="text"] {
  font-size: 0.85rem;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  width: 120px;
  text-align: center;
  background: var(--bg-card);
  color: var(--text-main);
}
.profile-input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
.profile-input[readonly] {
  cursor: pointer;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}
.profile-input[readonly]:hover {
  border-color: var(--primary-light);
}