/* 白泽AI内容工坊 V1.0 — 浅色清爽办公风（开发文档 8.1 色彩规范） */
:root{
  --bg:#FFFFFF; --soft:#F8FAFC; --primary:#3B82F6; --primary-hover:#2563EB;
  --text:#1E293B; --muted:#64748B; --line:#E2E8F0; --danger:#EF4444; --success:#16A34A;
  --radius:8px; --shadow:0 1px 2px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--bg);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer}
.hidden{display:none !important}
em{color:var(--danger);font-style:normal}
.opt{color:var(--muted);font-weight:400;font-size:12px}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#F1F5F9;padding:24px}
.login-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;box-shadow:0 12px 36px rgba(15,23,42,.07)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.login-brand h2{font-size:17px;margin:0;font-weight:700}
.login-brand p{font-size:11px;color:var(--muted);margin:2px 0 0}
.brand-logo{width:34px;height:34px;flex:none;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;overflow:hidden}
.brand-logo.lg{width:44px;height:44px;font-size:22px;border-radius:11px}
.brand-logo img{width:100%;height:100%;object-fit:cover}
.login-title{font-size:21px;margin:0 0 4px}
.login-desc{color:var(--muted);font-size:13px;margin:0 0 22px}
.login-foot{font-size:12px;color:var(--muted);text-align:center;margin:20px 0 0}
.quick-login{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.quick-title{font-size:12px;color:var(--muted)}
.quick-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:20px;padding:5px 12px;font-size:12px;transition:.15s}
.chip:hover{border-color:var(--primary);color:var(--primary);background:#EFF6FF}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:240px;flex:none;position:fixed;inset:0 auto 0 0;background:#FCFDFE;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20}
.side-brand{display:flex;align-items:center;gap:10px;padding:18px 16px 20px}
.side-brand-text{display:flex;flex-direction:column;min-width:0}
.side-brand-text strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-brand-text span{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{padding:4px 10px;display:flex;flex-direction:column;gap:3px}
.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;color:#475569;padding:9px 12px;border-radius:var(--radius);font-size:13px;text-align:left;transition:.15s}
.nav-item:hover{background:#F1F5F9;color:var(--text)}
.nav-item.active{background:#EFF6FF;color:var(--primary);font-weight:600}
.nav-item .ico{width:16px;height:16px;flex:none;display:inline-block;background:currentColor;opacity:.85;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:contain;mask-size:contain;-webkit-mask-position:center;mask-position:center}
.ico-doc{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6M8 13h8M8 17h5'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 2v6h6M8 13h8M8 17h5'/%3E%3C/svg%3E")}
.ico-video{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='2' y='5' width='14' height='14' rx='2'/%3E%3Cpath d='m16 10 6-3v10l-6-3z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='2' y='5' width='14' height='14' rx='2'/%3E%3Cpath d='m16 10 6-3v10l-6-3z'/%3E%3C/svg%3E")}
.ico-book{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3C/svg%3E")}
.ico-folder{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3C/svg%3E")}
.ico-gear{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.7 1.7 0 0 0 .3 1.9l.1.1-2.8 2.8-.1-.1a1.7 1.7 0 0 0-2.9 1.2V21H10v-.1A1.7 1.7 0 0 0 7 19.3l-.1.1-2.8-2.8.1-.1A1.7 1.7 0 0 0 5.4 14H5v-4h.1A1.7 1.7 0 0 0 7.2 7.1L7.1 7l2.8-2.8.1.1A1.7 1.7 0 0 0 12 3.6V3h4v.1a1.7 1.7 0 0 0 2.9 1.2l.1-.1L21.8 7l-.1.1a1.7 1.7 0 0 0-1.2 2.9H21v4h-.1a1.7 1.7 0 0 0-1.5 1z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.7 1.7 0 0 0 .3 1.9l.1.1-2.8 2.8-.1-.1a1.7 1.7 0 0 0-2.9 1.2V21H10v-.1A1.7 1.7 0 0 0 7 19.3l-.1.1-2.8-2.8.1-.1A1.7 1.7 0 0 0 5.4 14H5v-4h.1A1.7 1.7 0 0 0 7.2 7.1L7.1 7l2.8-2.8.1.1A1.7 1.7 0 0 0 12 3.6V3h4v.1a1.7 1.7 0 0 0 2.9 1.2l.1-.1L21.8 7l-.1.1a1.7 1.7 0 0 0-1.2 2.9H21v4h-.1a1.7 1.7 0 0 0-1.5 1z'/%3E%3C/svg%3E")}
.side-foot{margin-top:auto;padding:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.role-line{display:flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);display:inline-block}
.mode-line{margin-top:6px;font-size:11px;line-height:1.5}
.link-btn{border:0;background:none;color:var(--primary);padding:8px 0 0;font-size:12px}
.link-btn:hover{text-decoration:underline}
.main{margin-left:240px;flex:1;min-width:0;padding:24px 32px 60px}
.page-head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{font-size:19px;margin:0;font-weight:700}
.page-sub{font-size:12px;color:var(--muted)}
.page-foot{margin-top:32px;text-align:center;color:#94A3B8;font-size:11px}

/* ---------- 卡片 / 表单 ---------- */
.two-col{display:grid;grid-template-columns:minmax(330px,.88fr) minmax(380px,1.12fr);gap:20px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);overflow:hidden}
.card-title{font-size:14px;font-weight:700;margin:0;padding:14px 16px;border-bottom:1px solid var(--line)}
.card-body{padding:16px}
.card-body.soft{background:var(--soft)}
.field-label{display:block;font-size:12px;color:#475569;margin:12px 0 6px;font-weight:500}
.field-label:first-child{margin-top:0}
.input{width:100%;min-height:38px;padding:8px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);font-size:16px;outline:none;transition:.15s}
.input::placeholder{color:#94A3B8;font-size:13px}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.12)}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:14px;padding-right:30px}
textarea.textarea{min-height:76px;resize:vertical;line-height:1.6}
.input.mini{width:auto;min-width:110px;font-size:16px;min-height:38px}
.btn{border:1px solid transparent;border-radius:6px;padding:9px 18px;font-size:13px;font-weight:600;transition:.15s;min-height:38px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:disabled{background:#93C5FD;cursor:not-allowed}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:#F1F5F9}
.btn-block{width:100%;display:block;margin-top:20px}
.checks{display:flex;flex-wrap:wrap;gap:8px 14px;padding:4px 0 2px}
.checks label{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:#475569;cursor:pointer}
.checks input{width:15px;height:15px;accent-color:var(--primary);margin:0}
.range{width:100%;accent-color:var(--primary);height:22px}
.hint-text{font-size:11px;color:var(--muted);margin:6px 0 0;line-height:1.55}
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tab{border:1px solid var(--line);background:#fff;color:#475569;border-radius:20px;padding:6px 16px;font-size:13px;transition:.15s}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.tab:hover:not(.active){border-color:var(--primary);color:var(--primary)}

/* ---------- 上传 ---------- */
.upload-zone{border:1.5px dashed #CBD5E1;border-radius:8px;background:#fff;padding:26px 12px;text-align:center;cursor:pointer;transition:.15s;outline:none}
.upload-zone:hover,.upload-zone:focus,.upload-zone.dragover{border-color:var(--primary);background:#F8FBFF}
.upload-zone.small{padding:16px 10px}
.upload-icon{font-size:26px;color:#94A3B8;line-height:1}
.upload-main{font-size:13px;color:#475569;margin-top:8px}
.upload-hint{font-size:11px;color:#94A3B8;margin-top:4px;line-height:1.5}
.logo-preview{width:48px;height:48px;margin:0 auto 8px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;overflow:hidden}
.logo-preview img{width:100%;height:100%;object-fit:cover}

/* ---------- 结果区 ---------- */
.result-card{display:flex;flex-direction:column;min-height:560px}
.result-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.result-title{font-size:13px;font-weight:600}
.tool-group{display:flex;gap:6px;flex-wrap:wrap}
.tool-btn{border:1px solid var(--line);background:#fff;color:#475569;border-radius:5px;padding:4px 10px;font-size:12px;transition:.15s}
.tool-btn:hover{border-color:var(--primary);color:var(--primary);background:#EFF6FF}
.result-body{flex:1;padding:20px 22px;overflow:auto;max-height:62vh;min-height:420px}
.empty{color:#475569;font-size:13px}
.empty p{margin:0 0 12px}
.empty-sub{color:var(--muted) !important;font-size:12px !important;margin-top:18px !important}
.empty-list{margin:6px 0 0;padding-left:20px;color:var(--muted);font-size:12px;line-height:1.9}
.empty-list.dash{list-style:none;padding-left:2px}
.empty-list.dash li::before{content:"· ";color:var(--primary);font-weight:700}
.doc{font-size:13px;line-height:1.85;word-break:break-word}
.doc h2{font-size:16px;margin:20px 0 8px;padding-bottom:6px;border-bottom:1px solid var(--line);color:#0F172A}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:14px;margin:16px 0 6px;color:var(--primary)}
.doc p{margin:0 0 8px;white-space:pre-wrap}
.doc .meta{color:var(--muted);font-size:12px}
.doc .caret{display:inline-block;width:7px;height:15px;background:var(--primary);vertical-align:-2px;animation:blink .9s step-end infinite}
@keyframes blink{50%{opacity:0}}
.result-foot{display:flex;justify-content:space-between;gap:10px;padding:8px 14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
.notice-bar{background:#FFFBEB;border:1px solid #FDE68A;color:#92400E;padding:8px 10px;border-radius:6px;font-size:12px;margin-bottom:12px}

/* ---------- 表格 ---------- */
.kb-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.kb-tip{font-size:12px;color:var(--muted);margin:0;max-width:640px;line-height:1.6}
.kb-actions{display:flex;gap:8px;align-items:center}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
.table th,.table td{text-align:left;padding:11px 16px;border-bottom:1px solid #EEF2F7;white-space:nowrap}
.table th{font-size:12px;color:var(--muted);font-weight:500;background:#FCFDFE}
.table tbody tr:hover{background:#F8FAFC}
.table td a,.table .act{color:var(--primary);cursor:pointer;font-size:12px;margin-right:12px;border:0;background:none;padding:0}
.table td a:hover,.table .act:hover{text-decoration:underline}
.table .act.danger{color:var(--danger)}
.table .td-empty{text-align:center;color:var(--muted);padding:26px}
.badge{display:inline-flex;align-items:center;gap:5px;color:var(--success);font-size:12px}
.badge.off{color:#94A3B8}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.search-bar{padding:14px 16px;border-bottom:1px solid var(--line)}
.search-bar .input{max-width:100%}
.table.compact{min-width:0}
.table.compact th,.table.compact td{padding:8px 12px}

/* ---------- 设置 ---------- */
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
.settings-grid .card:last-child{grid-column:1 / -1}
.settings-grid .btn{margin-top:18px}
.user-add{display:grid;grid-template-columns:1fr 1fr 120px auto;gap:10px;margin-top:16px;align-items:center}
.health-box{margin-top:16px;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:12px;color:var(--muted)}

/* ---------- 弹层 / 预览 / Toast ---------- */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.42)}
.modal-panel{position:relative;background:#fff;border-radius:12px;width:min(860px,100%);max-height:86vh;display:flex;flex-direction:column;box-shadow:0 24px 64px rgba(15,23,42,.22)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:15px}
.modal-close{border:0;background:none;font-size:22px;color:var(--muted);line-height:1;padding:0 4px}
.modal-body{padding:18px;overflow:auto;flex:1}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.modal-body textarea{width:100%;min-height:220px;border:1px solid var(--line);border-radius:6px;padding:12px;font-size:14px;line-height:1.7;resize:vertical;outline:none}
.modal-body .doc{max-height:none}
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:#1E293B;color:#fff;padding:10px 20px;border-radius:22px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:100;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.print-layer{position:fixed;inset:0;z-index:80;background:#E2E8F0;overflow:auto;padding-bottom:40px}
.print-bar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;align-items:center;gap:12px;z-index:2;flex-wrap:wrap}
.print-bar span{font-size:12px;color:var(--muted);margin-right:auto}
.a4{width:210mm;min-height:297mm;background:#fff;margin:24px auto;padding:20mm 18mm;box-shadow:0 4px 18px rgba(0,0,0,.1);font-size:12pt;line-height:1.7}
.a4 h2{font-size:15pt;margin:16px 0 8px}
.a4 h3{font-size:13pt;margin:12px 0 6px}
.a4 p{margin:0 0 7px;white-space:pre-wrap}

/* ---------- 响应式（文档 8.4） ---------- */
@media (max-width:1024px){
  .sidebar{width:100%;height:auto;position:sticky;top:0;flex-direction:row;align-items:center;padding:6px 10px;border-right:0;border-bottom:1px solid var(--line)}
  .app{display:block}
  .side-brand{padding:0 10px 0 0;border:0}
  .side-brand-text{display:none}
  .nav{flex-direction:row;padding:0;gap:2px;overflow-x:auto;flex:1}
  .nav-item{width:auto;white-space:nowrap;padding:8px 10px;font-size:12px}
  .nav-item span{display:none}
  .nav-item .ico{width:18px;height:18px}
  .side-foot{margin:0;padding:0 4px;border:0;display:flex;align-items:center;gap:8px}
  .side-foot .role-line span:last-child,.mode-line{display:none}
  .side-foot .link-btn{padding:0}
  .main{margin-left:0;padding:18px 16px 48px}
  .two-col{grid-template-columns:1fr}
  .settings-grid{grid-template-columns:1fr}
  .settings-grid .card:last-child{grid-column:auto}
  .result-body{max-height:none;min-height:320px}
  .result-card{min-height:0}
  .user-add{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .page-sub{display:none}
  .page-head{margin-bottom:14px}
  .page-head h1{font-size:17px}
  .main{padding:14px 12px 40px}
  .card-body{padding:13px}
  .result-body{padding:14px}
  .tool-group{width:100%}
  .tool-btn{flex:1;text-align:center;padding:6px 4px;font-size:11px}
  .kb-tip{display:none}
  .kb-actions{width:100%}
  .kb-actions .btn{flex:1}
  .user-add{grid-template-columns:1fr}
  .login-card{padding:24px 20px}
  .a4{width:100%;min-height:auto;padding:16px;margin:10px}
  .print-bar span{display:none}
}
@media print{
  body>*{display:none !important}
  .print-layer{position:static;background:#fff;padding:0;display:block !important}
  .print-bar{display:none !important}
  .a4{box-shadow:none;margin:0;padding:0;width:auto;min-height:auto}
  @page{size:A4;margin:18mm}
}