:root{
    --bg:#f4f6f8;--panel:#fff;--text:#17202a;--muted:#667085;--line:#e4e7ec;
    --nav:#101828;--ok:#067647;--okbg:#ecfdf3;--warn:#b54708;--warnbg:#fffaeb;
    --bad:#b42318;--badbg:#fef3f2;--accent:#175cd3;--shadow:0 1px 3px rgba(16,24,40,.08)
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
.topbar{background:var(--nav);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:9px;background:#fff;color:var(--nav);display:flex;align-items:center;justify-content:center;font-weight:800}
.brand strong{display:block;font-size:16px}.brand small{display:block;color:#98a2b3;margin-top:3px}
.nav{display:flex;gap:4px;flex-wrap:wrap}.nav a{color:#d0d5dd;text-decoration:none;padding:9px 12px;border-radius:7px}.nav a.active{background:#344054;color:#fff}.nav a.disabled{opacity:.45;cursor:not-allowed}
.container{max-width:1440px;margin:0 auto;padding:22px}
.return-bar{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:18px;box-shadow:var(--shadow)}
.return-bar form{display:flex;align-items:center;gap:12px}.return-bar label{font-weight:700}.return-bar select{min-width:420px;max-width:100%;padding:9px;border:1px solid #d0d5dd;border-radius:7px;background:#fff}
.hero{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.hero h1{font-size:25px;margin:0 0 6px}.hero p{margin:0;color:var(--muted)}
.badge{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;font-weight:700}.badge.ok{color:var(--ok);background:var(--okbg)}.badge.bad{color:var(--bad);background:var(--badbg)}.badge.warn{color:var(--warn);background:var(--warnbg)}
.grid{display:grid;gap:16px}.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:17px;box-shadow:var(--shadow)}
.metric-label{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.metric-value{font-size:24px;font-weight:800;margin-top:8px}.metric-sub{color:var(--muted);font-size:12px;margin-top:6px}
.section{margin-top:18px}.section h2{font-size:17px;margin:0 0 12px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:11px 13px;border-bottom:1px solid var(--line);text-align:left}th{background:#f9fafb;color:#475467;font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:0}.num{text-align:right;font-variant-numeric:tabular-nums}.positive{color:var(--ok);font-weight:700}.negative{color:var(--bad);font-weight:700}.zero{color:var(--muted)}
.split-note{display:flex;justify-content:space-between;gap:15px;align-items:center}.split-note strong{font-size:18px}.muted{color:var(--muted)}
.empty{background:#fff;border:1px solid var(--line);border-radius:10px;padding:35px;text-align:center;color:var(--muted)}
.error{background:var(--badbg);border:1px solid #fecdca;color:var(--bad);border-radius:10px;padding:16px}
.footer{max-width:1440px;margin:12px auto 30px;padding:0 22px;color:var(--muted);display:flex;justify-content:space-between;font-size:12px}
@media(max-width:1050px){.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.return-bar select{min-width:0;width:100%}}
@media(max-width:620px){.container{padding:14px}.grid-5{grid-template-columns:1fr}.hero{flex-direction:column}.return-bar form{align-items:stretch;flex-direction:column}.metric-value{font-size:21px}}

.filters{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;gap:9px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow)}
.filters input[type=text]{min-width:280px;flex:1}.filters input,.filters select,.filters button{padding:9px 10px;border:1px solid #d0d5dd;border-radius:7px;background:#fff}
.filters button,.button{display:inline-block;background:var(--accent);color:#fff!important;border:0;text-decoration:none;padding:9px 12px;border-radius:7px;cursor:pointer;font-weight:700}
.button.secondary{background:#fff;color:#344054!important;border:1px solid #d0d5dd}.button.small{padding:6px 9px;font-size:12px}.check{display:flex;align-items:center;gap:5px}
.pagination{display:flex;justify-content:space-between;align-items:center;padding:14px 0;gap:10px}
.tag{display:inline-block;font-size:10px;font-weight:800;background:var(--warnbg);color:var(--warn);padding:3px 5px;border-radius:4px;margin-top:4px}
.aggregate-row{background:#fffdf5}.detail{display:grid;grid-template-columns:180px 1fr;margin:0}.detail dt,.detail dd{padding:9px 0;border-bottom:1px solid var(--line);margin:0}.detail dt{color:var(--muted);font-weight:700}.mono{font-family:Consolas,monospace;word-break:break-all}.raw{white-space:pre-wrap;word-break:break-word;background:#101828;color:#eaecf0;padding:15px;border-radius:8px;max-height:520px;overflow:auto}
@media(max-width:700px){.detail{grid-template-columns:1fr}.detail dt{padding-bottom:2px}.detail dd{padding-top:2px}.filters>*{width:100%}}

.notice{padding:12px 14px;background:var(--okbg);color:var(--ok);border:1px solid #abefc6;border-radius:8px;margin-bottom:16px}
.severity{display:inline-block;padding:4px 7px;border-radius:5px;font-size:11px;font-weight:800}.severity.high{background:var(--badbg);color:var(--bad)}.severity.medium{background:var(--warnbg);color:var(--warn)}.severity.low,.severity.info{background:#eff8ff;color:#175cd3}
.status-form{display:flex;gap:5px}.status-form select,.status-form button{padding:6px;border:1px solid #d0d5dd;border-radius:6px}.status-form button{background:var(--accent);color:#fff}

/* Phase 2D */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.support-form label{display:flex;flex-direction:column;gap:6px;font-weight:600}.support-form input,.support-form textarea{padding:10px;border:1px solid #d6d9de;border-radius:6px}.support-form textarea{min-height:80px}.link-button{border:0;background:none;text-decoration:underline;cursor:pointer;padding:0 4px}