:root{
  --bg:#f8fafc; --card:#fff; --border:#e2e8f0; --text:#0f172a; --muted:#64748b;
  --blue:#2563eb; --blue-bg:#eff6ff; --green:#16a34a; --amber:#b45309; --red:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang TC","Microsoft JhengHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:13px;padding:6px 8px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text)}
textarea{width:100%;resize:vertical;min-height:60px}

.login-overlay{position:fixed;inset:0;background:#0f172a;display:flex;align-items:center;justify-content:center;z-index:1000}
.login-box{background:#fff;padding:32px;border-radius:12px;width:280px;display:flex;flex-direction:column;gap:10px}
.login-box h1{font-size:18px;margin:0 0 6px}
.login-box select,.login-box input{width:100%}
.login-box button{background:var(--blue);color:#fff;border:none;border-radius:6px;padding:8px;font-weight:600}
.login-error{color:var(--red);font-size:12px}

.app.hidden{display:none}
.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.brand{font-weight:700;font-size:15px}
.nav{display:flex;gap:4px;flex:1}
.nav button{background:none;border:none;padding:8px 12px;border-radius:6px;font-size:13px;color:var(--muted)}
.nav button.active{background:var(--blue-bg);color:var(--blue);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:10px}
.whoami{font-size:12px;color:var(--muted)}
.view{padding:20px;max-width:1000px;margin:0 auto}

.btn{border:1px solid var(--border);background:#fff;border-radius:6px;padding:6px 12px;font-size:13px}
.btn-ghost{background:none}
.btn-sm{font-size:11px;padding:3px 9px}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}

.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:6px 8px;color:var(--muted);font-weight:600;border-bottom:1px solid var(--border)}
td{padding:7px 8px;border-bottom:1px solid #f1f5f9}
tr.clickable{cursor:pointer}
tr.clickable:hover{background:#f8fafc}

.badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px}
.badge-A{background:#fef2f2;color:#dc2626}
.badge-B{background:#fffbeb;color:#b45309}
.badge-C{background:#f0fdf4;color:#16a34a}
.badge-grey{background:#f1f5f9;color:var(--muted)}

.section{border:1px solid var(--border);border-radius:10px;margin-bottom:12px;background:#fff}
.section-head{display:flex;align-items:center;gap:10px;padding:12px 16px;cursor:pointer}
.section-head .pct{margin-left:auto;font-size:12px;color:var(--muted)}
.section-body{padding:0 16px 16px}
.section-body.collapsed{display:none}

.dim-card{border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:8px}
.dim-card .dim-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.dim-card .dim-head b{font-size:13px}
.dim-card select{margin-left:auto}
.dim-card .hint{font-size:11px;color:var(--amber);margin-top:4px}
.dim-card .source{font-size:11px;color:var(--muted);margin-top:4px;width:100%}
.dim-card.todo textarea{background:#f8fafc;color:var(--muted)}

.stake-row td{vertical-align:top}
.readonly-note{font-size:11px;color:var(--muted);margin-bottom:8px}

.plan-header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.plan-header h2{margin:0;font-size:18px}
.plan-header .updated{font-size:11px;color:var(--muted);margin-left:auto}
.plan-header .updated.stale{color:var(--red)}

.scoring-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.scoring-item label{display:block;font-size:12px;margin-bottom:4px;color:var(--muted)}
.scoring-item input[type=range]{width:100%}

@media (max-width:640px){
  .view{padding:12px}
  .scoring-grid{grid-template-columns:1fr}
  .nav{flex-wrap:wrap}
}