:root{
  --bg:#f5f7fa; --panel:#fff; --border:#e2e8f0; --muted:#64748b;
  --text:#0f172a; --primary:#2c7be5; --primary-dark:#1a5bb8; --accent:#12b76a;
  --warn:#f59e0b; --danger:#ef4444; --chip:#eef2f7;
  --radius:8px; --shadow:0 1px 2px rgba(15,23,42,.04),0 4px 12px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.55}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit}

/* 布局 */
.topbar{background:linear-gradient(90deg,#2c7be5,#1a5bb8);color:#fff;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;height:56px;box-shadow:var(--shadow);position:sticky;top:0;z-index:20}
.topbar h1{font-size:16px;margin:0;font-weight:600;letter-spacing:.3px}
.topbar .right{display:flex;align-items:center;gap:14px;font-size:13px}
.topbar .role-chip{background:rgba(255,255,255,.18);padding:3px 10px;border-radius:12px}
.topbar button{background:rgba(255,255,255,.15);color:#fff;border:none;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:13px}
.topbar button:hover{background:rgba(255,255,255,.25)}
.container{max-width:1400px;margin:0 auto;padding:20px}
.tabs{display:flex;gap:4px;background:var(--panel);padding:6px;border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:16px;overflow-x:auto}
.tabs button{background:transparent;border:none;padding:9px 16px;border-radius:6px;cursor:pointer;
  color:var(--muted);font-size:13px;font-weight:500;white-space:nowrap}
.tabs button.active{background:var(--primary);color:#fff}
.tabs button:hover:not(.active){background:var(--chip);color:var(--text)}

/* 卡片 */
.card{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card h2{font-size:15px;margin:0 0 12px;padding-left:10px;border-left:3px solid var(--primary);font-weight:600}
.card h3{font-size:14px;margin:14px 0 8px;color:#334155}
.row{display:flex;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:12px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}

/* 表单 */
label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=password],input[type=number],input[type=email],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;
  font-family:inherit;background:#fff;color:var(--text);transition:border-color .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(44,123,229,.1)}
textarea{min-height:60px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;border:none;
  padding:8px 16px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:background .15s}
.btn:hover{background:var(--primary-dark)}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn.ghost:hover{background:var(--chip)}
.btn.danger{background:var(--danger)}
.btn.danger:hover{background:#dc2626}
.btn.success{background:var(--accent)}
.btn.warn{background:var(--warn)}
.btn.small{padding:5px 10px;font-size:12px}
.btn:disabled{background:#cbd5e1;cursor:not-allowed}

/* 表格 */
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th,table.data td{border-bottom:1px solid var(--border);padding:9px 10px;text-align:left;vertical-align:top}
table.data th{background:#f8fafc;font-weight:600;color:#334155;font-size:12px;position:sticky;top:0}
table.data tr:hover td{background:#f8fafc}
table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
table.data input,table.data textarea{padding:5px 7px;font-size:12px}

/* 状态标签 */
.chip{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;background:var(--chip);color:#475569;white-space:nowrap}
.chip.blue{background:#dbeafe;color:#1e40af}
.chip.green{background:#d1fae5;color:#065f46}
.chip.amber{background:#fef3c7;color:#92400e}
.chip.red{background:#fee2e2;color:#991b1b}
.chip.gray{background:#e2e8f0;color:#334155}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}
.login-box{background:#fff;padding:36px 32px;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.2);width:380px}
.login-box h1{margin:0 0 4px;font-size:20px;text-align:center}
.login-box .sub{text-align:center;color:var(--muted);font-size:12px;margin-bottom:24px}
.login-box .field{margin-bottom:14px}
.login-box .btn{width:100%;justify-content:center;padding:10px}
.login-box .hint{margin-top:16px;font-size:11px;color:var(--muted);background:#f8fafc;padding:10px;border-radius:6px;line-height:1.7}

/* Toast */
#toast-host{position:fixed;top:70px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:#0f172a;color:#fff;padding:10px 16px;border-radius:6px;font-size:13px;box-shadow:0 4px 12px rgba(0,0,0,.2);animation:slideIn .2s}
.toast.success{background:#059669}
.toast.error{background:#dc2626}
.toast.warn{background:#d97706}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}

/* Modal */
#modal-host{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:rgba(15,23,42,.5)}
#modal-host.open{display:flex}
.modal{background:#fff;border-radius:10px;max-width:90vw;max-height:90vh;overflow:auto;width:600px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal.large{width:900px}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{margin:0;font-size:15px}
.modal-head .close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}
.modal-body{padding:20px}
.modal-foot{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:#f8fafc}

/* 工具条 */
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.toolbar .spacer{flex:1}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;padding:14px 16px;border-radius:var(--radius);box-shadow:var(--shadow);border-left:3px solid var(--primary)}
.stat .label{font-size:11px;color:var(--muted);margin-bottom:4px}
.stat .value{font-size:22px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.stat.green{border-left-color:var(--accent)}
.stat.amber{border-left-color:var(--warn)}
.stat.red{border-left-color:var(--danger)}

/* 阶段进度条 */
.phase-track{display:flex;gap:2px;background:var(--chip);padding:3px;border-radius:20px;margin-bottom:14px;overflow-x:auto}
.phase-track .step{flex:1;padding:6px 10px;font-size:11px;text-align:center;border-radius:16px;color:var(--muted);white-space:nowrap;min-width:80px}
.phase-track .step.done{background:#d1fae5;color:#065f46}
.phase-track .step.current{background:var(--primary);color:#fff;font-weight:600}

/* 目标块 */
.obj-block{border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:10px;background:#fbfcfd}
.obj-head{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.obj-head .seq{background:var(--primary);color:#fff;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}
.obj-head input{flex:1}
.kr-row{display:grid;grid-template-columns:36px 1fr 1fr 100px 100px 40px;gap:8px;margin-bottom:6px;align-items:start}
.kr-row.head{font-size:11px;color:var(--muted);font-weight:600;margin-bottom:4px}
.kr-row .seq{color:var(--muted);text-align:center;padding-top:8px;font-size:12px}
.kr-row .del{background:none;border:none;color:var(--danger);cursor:pointer;font-size:16px;padding:4px}

.muted{color:var(--muted);font-size:12px}
.small{font-size:12px}
.right{text-align:right}
.center{text-align:center}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}
.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}
.hidden{display:none !important}
pre.json{background:#f8fafc;padding:10px;border-radius:6px;font-size:11px;overflow:auto;max-height:400px}
.diff{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.diff .col{padding:8px;border-radius:6px}
.diff .self{background:#eff6ff;border-left:3px solid #3b82f6}
.diff .sup{background:#fef3c7;border-left:3px solid #f59e0b}