*{box-sizing:border-box}body{margin:0;background:#edf1f4;color:#17212b;font:14px/1.5 "Segoe UI","Microsoft YaHei",sans-serif}main{max-width:1450px;margin:28px auto;padding:0 24px}h1,h2,h3{color:#173a57}header,.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap}header{justify-content:space-between}section{background:#fff;border:1px solid #dde3e8;border-radius:10px;padding:20px;margin:18px 0}label{display:flex;flex-direction:column;gap:5px}button,input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #cdd5dc;border-radius:5px;background:#fff;color:inherit}button{cursor:pointer}button.primary{background:#173a57;color:white}button.danger{color:#982d2d}button:disabled{opacity:.5;cursor:default}textarea{min-height:100px;resize:vertical}a{color:#173a57}table{border-collapse:collapse;width:100%;background:white}th,td{text-align:left;padding:9px;border-bottom:1px solid #dde3e8;vertical-align:top}th{background:#eef5fa;white-space:nowrap}td input{width:140px}.scroll{overflow-x:auto}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.wide{grid-column:1/-1}.message{white-space:pre-wrap;padding:10px 0;min-height:30px;color:#173a57}.error{color:#982d2d}.muted{color:#74808b;font-size:12px}.login{max-width:430px;margin:10vh auto}.login form{display:grid;gap:18px}dialog{border:1px solid #cdd5dc;border-radius:12px;width:min(950px,95vw);max-height:90vh;overflow:auto;padding:24px}dialog::backdrop{background:#102d4566}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.small{font-size:12px}pre{white-space:pre-wrap;word-break:break-word;max-width:650px}[hidden]{display:none!important}nav{display:flex;gap:12px;flex-wrap:wrap}.section-editor{border:1px solid #dde3e8;padding:12px;margin:12px 0;display:grid;gap:8px}.section-editor textarea{width:100%}@media(max-width:800px){.form-grid{grid-template-columns:1fr}main{padding:0 12px}.toolbar{align-items:stretch}}

/* Keep old-period values out of view until automatic selection completes. */
.auto-selection-pending { display:none !important; }
.admin-page a[aria-disabled="true"],.portal-page a[aria-disabled="true"] { opacity:.45; text-decoration:none; cursor:default; }