* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg:#f0f2f5; --sidebar:#1e293b; --sidebar-active:#334155;
  --primary:#2563eb; --primary-light:#dbeafe; --primary-dark:#1d4ed8;
  --text:#1e293b; --text-secondary:#64748b; --text-light:#94a3b8;
  --border:#e2e8f0; --card:#ffffff; --card-shadow:0 1px 3px rgba(0,0,0,.08);
  --success:#10b981; --success-bg:#d1fae5; --warning:#f59e0b; --warning-bg:#fef3c7;
  --danger:#ef4444; --danger-bg:#fee2e2; --info:#3b82f6; --info-bg:#dbeafe;
  --purple:#8b5cf6; --purple-bg:#ede9fe; --teal:#14b8a6; --teal-bg:#ccfbf1;
  --muted:var(--text-secondary);
}
body { font-family:-apple-system,"Microsoft YaHei","Segoe UI",sans-serif; background:var(--bg); color:var(--text); font-size:14px; }

.app { display:flex; height:100vh; overflow:hidden; }
.sidebar { width:220px; background:var(--sidebar); color:#cbd5e1; display:flex; flex-direction:column; flex-shrink:0; }
.sidebar-header { padding:20px 18px; border-bottom:1px solid #334155; }
.sidebar-header .logo { font-size:16px; font-weight:700; color:#fff; display:flex; align-items:center; gap:8px; }
.sidebar-header .logo .icon { width:28px; height:28px; background:var(--primary); border-radius:6px; display:flex; align-items:center; justify-content:center; font-size:14px; color:#fff; }
.sidebar-header .subtitle { font-size:11px; color:#64748b; margin-top:4px; }
.nav { flex:1; overflow-y:auto; padding:8px 0; }
.nav-group { margin-bottom:4px; }
.nav-group-title { font-size:11px; color:#64748b; padding:10px 18px 4px; text-transform:uppercase; letter-spacing:.5px; }
.nav-item { padding:9px 18px 9px 42px; cursor:pointer; font-size:13px; display:flex; align-items:center; gap:8px; position:relative; transition:background .15s; border-left:3px solid transparent; }
.nav-item:hover { background:rgba(255,255,255,.05); }
.nav-item.active { background:var(--sidebar-active); color:#fff; border-left-color:var(--primary); }
.nav-item .nav-icon { position:absolute; left:14px; font-size:14px; opacity:.7; }
.nav-item.active .nav-icon { opacity:1; }
.nav-item .badge { margin-left:auto; background:var(--primary); color:#fff; font-size:10px; padding:1px 6px; border-radius:8px; }
/* 二级菜单（父菜单可折叠，子菜单缩进展示） */
.nav-item .nav-caret { margin-left:auto; font-size:10px; opacity:.65; transition:transform .15s; }
.nav-item-parent.expanded { background:rgba(255,255,255,.05); }
.nav-submenu .nav-subitem { padding-left:60px; font-size:12.5px; }
.nav-submenu .nav-subitem .nav-dot { position:absolute; left:44px; width:5px; height:5px; border-radius:50%; background:var(--text-light); opacity:.45; }
.nav-submenu .nav-subitem.active .nav-dot { background:#fff; opacity:1; }

.main { flex:1; display:flex; flex-direction:column; overflow:hidden; }
.topbar { height:56px; background:var(--card); border-bottom:1px solid var(--border); display:flex; align-items:center; padding:0 24px; gap:16px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.topbar .breadcrumb { font-size:13px; color:var(--text-secondary); }
.topbar .breadcrumb b { color:var(--text); }
.topbar .spacer { flex:1; }
.topbar .search { background:var(--bg); border:1px solid var(--border); border-radius:8px; padding:6px 12px; font-size:13px; width:200px; color:var(--text-secondary); outline:none; }
.topbar .search:focus { border-color:var(--primary); }
.topbar .icon-btn { width:36px; height:36px; border-radius:8px; display:flex; align-items:center; justify-content:center; cursor:pointer; position:relative; font-size:16px; }
.topbar .icon-btn:hover { background:var(--bg); }
.topbar .icon-btn .dot { position:absolute; top:8px; right:8px; width:8px; height:8px; background:var(--danger); border-radius:50%; border:2px solid var(--card); }
.topbar .avatar { width:32px; height:32px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:600; cursor:pointer; }

.content { flex:1; overflow-y:auto; padding:24px; }
.page { display:none; }
.page.active { display:block; }

.page-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.page-title { font-size:20px; font-weight:700; }
.page-desc { font-size:13px; color:var(--text-secondary); margin-top:4px; }

.btn { padding:8px 16px; border-radius:8px; font-size:13px; cursor:pointer; border:none; display:inline-flex; align-items:center; gap:6px; transition:all .15s; font-weight:500; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-outline { background:var(--card); border:1px solid var(--border); color:var(--text); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { opacity:.9; }
.btn-sm { padding:5px 10px; font-size:12px; }

.card { background:var(--card); border-radius:12px; box-shadow:var(--card-shadow); border:1px solid var(--border); padding:20px; }
.card-title { font-size:15px; font-weight:600; margin-bottom:14px; display:flex; align-items:center; justify-content:space-between; }

.grid { display:grid; gap:16px; }
.grid-2 { grid-template-columns:1fr 1fr; }
.grid-3 { grid-template-columns:repeat(3,1fr); }
.grid-4 { grid-template-columns:repeat(4,1fr); }

.stat-card { background:var(--card); border-radius:12px; padding:20px; box-shadow:var(--card-shadow); border:1px solid var(--border); }
.stat-card .stat-icon { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:18px; margin-bottom:12px; }
.stat-card .stat-label { font-size:12px; color:var(--text-secondary); }
.stat-card .stat-value { font-size:28px; font-weight:700; margin-top:2px; }
.stat-card .stat-change { font-size:12px; margin-top:4px; }

.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:13px; }
th { text-align:left; padding:10px 14px; background:#f8fafc; color:var(--text-secondary); font-weight:600; border-bottom:1px solid var(--border); white-space:nowrap; }
td { padding:11px 14px; border-bottom:1px solid var(--border); }
tr:hover td { background:#f8fafc; }

.tag { display:inline-flex; align-items:center; gap:4px; padding:2px 8px; border-radius:6px; font-size:11px; font-weight:500; }
.tag-success { background:var(--success-bg); color:#065f46; }
.tag-warning { background:var(--warning-bg); color:#92400e; }
.tag-danger { background:var(--danger-bg); color:#991b1b; }
.tag-info { background:var(--info-bg); color:#1e40af; }
.tag-purple { background:var(--purple-bg); color:#5b21b6; }
.tag-teal { background:var(--teal-bg); color:#115e59; }
.tag-default { background:#f1f5f9; color:#475569; }

.progress { height:6px; background:#e2e8f0; border-radius:3px; overflow:hidden; }
.progress-bar { height:100%; border-radius:3px; transition:width .3s; }
.progress-text { font-size:12px; color:var(--text-secondary); margin-top:4px; }

.check-item { display:flex; align-items:flex-start; gap:10px; padding:10px 0; border-bottom:1px solid var(--border); }
.check-item:last-child { border-bottom:none; }
.check-box { width:20px; height:20px; border:2px solid #cbd5e1; border-radius:5px; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:1px; cursor:pointer; font-size:12px; font-weight:600; }
.check-box.checked { background:var(--success); border-color:var(--success); color:#fff; }
.check-box.warn { border-color:var(--warning); background:var(--warning-bg); color:#92400e; }
.check-box.fail { border-color:var(--danger); background:var(--danger-bg); color:#991b1b; }
.check-content { flex:1; }
.check-title { font-size:13px; font-weight:500; }
.check-desc { font-size:12px; color:var(--text-secondary); margin-top:2px; }

.timeline { position:relative; padding-left:24px; }
.timeline::before { content:''; position:absolute; left:8px; top:8px; bottom:8px; width:2px; background:var(--border); }
.timeline-item { position:relative; padding-bottom:20px; }
.timeline-item:last-child { padding-bottom:0; }
.timeline-dot { position:absolute; left:-20px; top:2px; width:14px; height:14px; border-radius:50%; border:3px solid var(--card); }
.timeline-dot.done { background:var(--success); }
.timeline-dot.active { background:var(--primary); box-shadow:0 0 0 4px var(--primary-light); }
.timeline-dot.pending { background:#cbd5e1; }
.timeline-dot.urgent { background:var(--danger); }
.timeline-title { font-size:13px; font-weight:600; }
.timeline-time { font-size:12px; color:var(--text-secondary); margin-top:2px; }
.timeline-desc { font-size:12px; color:var(--text-secondary); margin-top:4px; }

.radar-wrap { display:flex; align-items:center; justify-content:center; padding:20px; }

.score-row { display:flex; align-items:center; gap:12px; padding:10px 0; border-bottom:1px solid var(--border); }
.score-row:last-child { border-bottom:none; }
.score-label { width:120px; font-size:13px; flex-shrink:0; }
.score-bar { flex:1; height:24px; background:#f1f5f9; border-radius:6px; overflow:hidden; position:relative; }
.score-fill { height:100%; border-radius:6px; display:flex; align-items:center; justify-content:flex-end; padding-right:8px; color:#fff; font-size:12px; font-weight:600; }

.upload-zone { border:2px dashed #cbd5e1; border-radius:12px; padding:32px; text-align:center; cursor:pointer; transition:border-color .2s; }
.upload-zone:hover { border-color:var(--primary); background:var(--primary-light); }
.upload-zone .upload-icon { font-size:36px; color:var(--text-light); margin-bottom:8px; }
.upload-zone .upload-text { font-size:14px; color:var(--text-secondary); }
.upload-zone.dragover { border-color:var(--primary); background:var(--primary-light); }

.file-row { display:flex; align-items:center; gap:10px; padding:10px 14px; border:1px solid var(--border); border-radius:8px; margin-bottom:8px; }
.file-row .file-icon { width:32px; height:32px; border-radius:6px; display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:600; flex-shrink:0; }
.file-row .file-name { flex:1; font-size:13px; min-width:0; }
.file-row .file-meta { font-size:11px; color:var(--text-secondary); }
.file-row .file-summary { font-size:11px; color:var(--primary-dark); margin-top:3px; line-height:1.4; background:var(--primary-light); padding:3px 6px; border-radius:4px; font-weight:400; }

/* 上传进度反馈（避免大文件上传无反馈导致的重复上传） */
.uprog-box { background:var(--info-bg); border:1px solid #bfdbfe; border-radius:8px; padding:10px 14px; margin-bottom:12px; font-size:13px; color:#1e40af; }
.uprog-head { display:flex; align-items:center; gap:8px; }
.uprog-bar { height:8px; background:#dbeafe; border-radius:4px; overflow:hidden; margin-top:8px; }
.uprog-fill { height:100%; background:var(--primary); border-radius:4px; transition:width .2s; }

.dir-tree { font-size:13px; }
.dir-node { padding:6px 8px; cursor:pointer; border-radius:6px; display:flex; align-items:center; gap:6px; transition:background .15s; }
.dir-node:hover { background:var(--bg); }
/* 已满项：材料齐全，灰色低调 */
.dir-node.active { color:var(--text-light); font-weight:400; opacity:.65; }
.dir-node.active:hover { opacity:1; }
/* 待补充：材料不足，红色突出 */
.dir-node.dir-incomplete { background:var(--danger-bg); border:1px solid var(--danger); color:var(--danger); font-weight:600; }
.dir-node.dir-incomplete:hover { background:#fecaca; }
.dir-node .dir-arrow { font-size:10px; width:14px; }
/* 目录归类：类内文件名限宽，超出省略，避免挤压右侧按钮换行 */
.dir-node .file-name-clip { flex:1; min-width:0; max-width:60%; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.dir-node .dir-count { margin-left:auto; font-size:11px; padding:1px 6px; border-radius:4px; }
.dir-node.active .dir-count { color:var(--text-light); background:var(--bg); }
.dir-node.dir-incomplete .dir-count { color:#fff; background:var(--danger); }
.dir-children { margin-left:20px; }

.editor-wrap { display:flex; gap:16px; }
.editor-main { flex:1; }
.editor-area { width:100%; min-height:320px; border:1px solid var(--border); border-radius:10px; padding:16px; font-size:14px; line-height:1.8; resize:vertical; outline:none; font-family:inherit; }
.editor-area:focus { border-color:var(--primary); }
.editor-side { width:280px; }
.suggestion-card { background:#fefce8; border:1px solid #fde68a; border-radius:8px; padding:12px; margin-bottom:10px; }
.suggestion-card .sg-type { font-size:11px; color:#92400e; font-weight:600; margin-bottom:4px; }
.suggestion-card .sg-text { font-size:12px; color:#78350f; line-height:1.6; }
.suggestion-card .sg-actions { display:flex; gap:6px; margin-top:8px; }

.bar-chart { display:flex; align-items:flex-end; gap:12px; height:180px; padding:0 10px; border-bottom:1px solid var(--border); }
.bar-col { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; }
.bar { width:100%; max-width:40px; border-radius:4px 4px 0 0; transition:height .3s; }
.bar-label { font-size:11px; color:var(--text-secondary); }

.log-row { display:flex; align-items:center; gap:10px; padding:10px 0; border-bottom:1px solid var(--border); font-size:12px; }
.log-row:last-child { border-bottom:none; }
.log-avatar { width:28px; height:28px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:600; flex-shrink:0; }

.toggle { width:40px; height:22px; background:#cbd5e1; border-radius:11px; position:relative; cursor:pointer; transition:background .2s; }
.toggle.on { background:var(--primary); }
.toggle::after { content:''; position:absolute; left:2px; top:2px; width:18px; height:18px; background:#fff; border-radius:50%; transition:transform .2s; }
.toggle.on::after { transform:translateX(18px); }

.config-side-item { display:flex; align-items:center; gap:8px; padding:10px 14px; cursor:pointer; font-size:13px; color:var(--text-secondary); border-left:3px solid transparent; transition:all .15s; }
.config-side-item:hover { background:var(--bg); color:var(--text-primary); }
.config-side-item.active { background:var(--bg); color:var(--primary); border-left-color:var(--primary); font-weight:600; }

.divider { height:1px; background:var(--border); margin:16px 0; }
.empty-state { text-align:center; padding:40px; color:var(--text-light); }
.section-label { font-size:12px; font-weight:600; color:var(--text-secondary); margin-bottom:10px; text-transform:uppercase; letter-spacing:.5px; }
.info-box { background:var(--info-bg); border:1px solid #bfdbfe; border-radius:8px; padding:12px 16px; font-size:13px; color:#1e40af; display:flex; align-items:flex-start; gap:8px; margin-bottom:16px; }
.warn-box { background:var(--warning-bg); border:1px solid #fde68a; border-radius:8px; padding:12px 16px; font-size:13px; color:#92400e; display:flex; align-items:flex-start; gap:8px; margin-bottom:16px; }

.modal-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.4); display:flex; align-items:center; justify-content:center; z-index:1000; }
.modal { background:#fff; border-radius:12px; padding:24px; min-width:420px; max-width:560px; box-shadow:0 20px 60px rgba(0,0,0,.3); }
.modal-title { font-size:18px; font-weight:700; margin-bottom:16px; }
.modal-body { margin-bottom:20px; }
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:13px; font-weight:500; margin-bottom:6px; color:var(--text); }
.form-group input, .form-group select, .form-group textarea { width:100%; padding:8px 12px; border:1px solid var(--border); border-radius:8px; font-size:13px; outline:none; font-family:inherit; }
.form-group input:focus, .form-group select, .form-group textarea:focus { border-color:var(--primary); }
.form-input { width:100%; padding:8px 12px; border:1px solid var(--border); border-radius:8px; font-size:13px; outline:none; font-family:inherit; box-sizing:border-box; }
.form-input:focus { border-color:var(--primary); }
.form-input:disabled { background:#f8fafc; color:var(--text-secondary); cursor:not-allowed; }

/* ===== 专利申请模块：申请信息表单 ===== */
.pf-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 18px; }
@media (max-width:900px){ .pf-grid { grid-template-columns:1fr; } }
.pf-req { color:var(--danger); margin-left:2px; }

/* ===== 专利申请模块：所需材料说明 ===== */
.pm-box { border:1px solid var(--border); border-radius:10px; padding:14px 16px; background:var(--bg); }
.pm-head { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:12px; }
.pm-badge { background:var(--primary); color:#fff; font-size:12px; font-weight:600; padding:4px 12px; border-radius:999px; }
.pm-sub { font-size:12.5px; color:var(--text-secondary); }
.pm-cols { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 18px; }
@media (max-width:900px){ .pm-cols { grid-template-columns:1fr; } }
.pm-title { font-size:12px; font-weight:600; color:var(--text-secondary); margin-bottom:7px; letter-spacing:.3px; }
.pm-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:6px; }
.pm-item { display:flex; align-items:flex-start; gap:8px; font-size:13px; line-height:1.6; background:var(--card); border:1px solid var(--border); border-radius:8px; padding:7px 10px; }
.pm-item-req { border-left:3px solid var(--primary); }
.pm-item-opt { border-left:3px solid #cbd5e1; color:var(--text-secondary); }
.pm-dot { flex:none; font-size:10px; margin-top:4px; opacity:.75; }
.pm-tag { flex:none; font-size:11px; padding:1px 6px; border-radius:6px; background:#f1f5f9; color:#475569; }
.pm-note { margin-top:12px; font-size:12px; line-height:1.75; color:#92400e; background:#fff8e1; border:1px solid #fde68a; border-radius:8px; padding:9px 11px; }

/* ===== 专利申请模块：已上传材料列表 ===== */
.pf-file { display:flex; align-items:center; gap:10px; padding:8px 12px; border:1px solid var(--border); border-radius:8px; margin-bottom:6px; background:var(--card); transition:border-color .15s; }
.pf-file:hover { border-color:var(--primary); }
.modal-footer { display:flex; gap:8px; justify-content:flex-end; }

.toast { position:fixed; top:20px; right:20px; background:#1e293b; color:#fff; padding:12px 20px; border-radius:8px; font-size:13px; z-index:2000; animation:slideIn .3s ease; box-shadow:0 4px 12px rgba(0,0,0,.2); }
.toast.success { background:var(--success); }
.toast.error { background:var(--danger); }
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }

.loading { display:inline-block; width:16px; height:16px; border:2px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .6s linear infinite; }
.spinner-sm { display:inline-block; width:13px; height:13px; border:2px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin .6s linear infinite; vertical-align:-2px; margin-right:4px; }
@keyframes spin { to { transform:rotate(360deg); } }

/* 小灯泡帮助图标：标题后展示，hover 浮窗显示说明 */
.help-icon { cursor: help; margin-left: 6px; font-size: 13px; position: relative; user-select: none; }
.help-icon:hover::after {
  content: attr(data-tip);
  position: absolute; top: 135%; left: 0; z-index: 1200;
  width: 300px; max-width: 82vw; padding: 10px 12px;
  background: #1f2937; color: #fff; font-size: 12px; line-height: 1.7; font-weight: 400;
  border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.25);
  white-space: pre-wrap; text-align: left;
}
.help-icon:hover::before {
  content: ""; position: absolute; top: 135%; left: 12px; z-index: 1200;
  border: 6px solid transparent; border-bottom-color: #1f2937; transform: translateY(-100%);
}

/* 撰写模板列表项 */
.tpl-item { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; transition: background .15s, border-color .15s; font-size: 13px; }
.tpl-item:hover { border-color: var(--primary); background: var(--primary-light); }
.tpl-item.tpl-disabled { cursor: not-allowed; opacity: .5; }
.tpl-item.tpl-disabled:hover { border-color: var(--border); background: transparent; }
.tpl-tag { font-size: 11px; color: var(--text-light); margin-left: 4px; }

/* 用户菜单 */
.user-menu { position:relative; display:flex; align-items:center; gap:8px; cursor:pointer; padding:4px 8px; border-radius:8px; }
.user-menu:hover { background:var(--bg); }
.user-info { font-size:13px; color:var(--text); font-weight:500; }
.user-dropdown { position:absolute; top:100%; right:0; margin-top:8px; background:var(--card); border:1px solid var(--border); border-radius:10px; box-shadow:0 12px 40px rgba(0,0,0,.12); min-width:220px; padding:8px; z-index:100; }
.user-dropdown-header { padding:8px 12px; }
.user-dropdown-name { font-size:14px; font-weight:700; color:var(--text); }
.user-dropdown-role { font-size:12px; color:var(--primary); margin-top:2px; font-weight:500; }
.user-dropdown-group { font-size:11px; color:var(--text-secondary); margin-top:2px; }
.user-dropdown-item { padding:8px 12px; border-radius:6px; font-size:13px; color:var(--text); cursor:pointer; }
.user-dropdown-item:hover { background:var(--bg); color:var(--danger); }