:root{
    --bg:#f4f5f7;
    --panel:#ffffff;
    --border:#e1e4e8;
    --text:#1d2327;
    --muted:#5b6670;
    --blue:#2271b1;
    --blue-dark:#135e96;
    --green:#0a7a20;
    --green-bg:#edfaef;
    --red:#b32d2e;
    --red-bg:#fcf0f1;
    --orange:#996800;
    --orange-bg:#fcf9e8;
    --gray-bg:#f6f7f7;
    --sidebar:#1d2327;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}
a{color:var(--blue);text-decoration:none}
h1,h2,h3{margin:0 0 8px}
p{margin:0 0 12px}
.app-shell{min-height:100vh;display:flex}
.sidebar{width:230px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column}
.brand-wrap{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand{font-weight:700;letter-spacing:.3px}
.brand-sub{font-size:12px;color:rgba(255,255,255,.65);margin-top:4px}
.nav{padding:12px}
.nav-link{display:block;padding:11px 12px;border-radius:8px;color:#fff;margin-bottom:4px}
.nav-link:hover{background:rgba(255,255,255,.08)}
.nav-link.is-active{background:var(--blue)}
.sidebar-footer{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:rgba(255,255,255,.68)}
.main{flex:1;min-width:0}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:10px 24px;gap:16px}
.topbar-right{display:flex;align-items:center;gap:12px}
.subtle{font-size:13px;color:var(--muted)}
.content{padding:24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;box-shadow:0 1px 2px rgba(16,24,40,.04);padding:22px}
.card + .card{margin-top:18px}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.span-2{grid-column:span 2}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;border:none;border-radius:10px;padding:11px 15px;font-size:14px;cursor:pointer}
.button:hover{background:var(--blue-dark)}
.button-outline{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.button-outline:hover{background:#f0f6fc}
.button-small{padding:8px 10px;font-size:13px}
.badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-blue{background:#edf5ff;color:var(--blue)}
.badge-orange{background:var(--orange-bg);color:var(--orange)}
.badge-gray{background:var(--gray-bg);color:var(--muted)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:12px 14px;border-top:1px solid var(--border);text-align:left;font-size:14px;vertical-align:top}
thead th{background:var(--gray-bg);border-top:none}
.filters{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px}
.input,.select,.textarea{width:100%;border:1px solid #b7bec5;border-radius:10px;padding:11px 12px;font-size:14px;background:#fff}
.textarea{min-height:120px;resize:vertical}
.label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
.row{display:flex;gap:16px;align-items:center;justify-content:space-between}
.notice{padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#fff}
.notice-success{border-color:#9ecaa6;background:#f2fbf4}
.notice-error{border-color:#e0aaaa;background:#fff6f6}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f6f7f7,#eceff1)}
.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 8px 24px rgba(0,0,0,.06);padding:28px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.tab{padding:10px 14px;color:var(--muted);border-bottom:2px solid transparent}
.tab:hover{color:var(--text)}
.tab.is-active{color:var(--blue);border-bottom-color:var(--blue);font-weight:700}
.muted{color:var(--muted)}
.empty{padding:24px;border:1px dashed var(--border);border-radius:12px;background:var(--gray-bg);text-align:center;color:var(--muted)}
.hero-score{padding:28px;border-radius:22px;background:linear-gradient(135deg,#2271b1,#0f4f88);color:#fff}
.score-number{font-size:64px;font-weight:800;line-height:1}
.score-caption{font-size:15px;opacity:.92;margin-top:8px}
.delta{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.18);font-size:13px;font-weight:700}
.action-card{border:2px solid #d8e8f7;background:#f8fbfe}
.progress-bar{height:10px;background:#e8edf2;border-radius:999px;overflow:hidden}
.progress-bar > span{display:block;height:100%;background:var(--blue);border-radius:999px}
.list-clean{margin:0;padding-left:18px}
.mono{font-family:Consolas,Monaco,monospace}
.code-box{background:#f8f8f8;border:1px solid var(--border);padding:12px;border-radius:12px;white-space:pre-wrap;line-height:1.45}
@media print{
    body{background:#fff}
    .sidebar,.topbar,.button,.no-print{display:none !important}
    .main,.content,.card{padding:0;margin:0;border:none;box-shadow:none}
    .app-shell{display:block}
}
@media (max-width: 1100px){
    .grid-3,.filters{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 800px){
    .app-shell{display:block}
    .sidebar{width:100%}
    .topbar{height:auto;padding:16px}
    .content{padding:16px}
    .grid-3,.grid-2,.filters{grid-template-columns:1fr}
    .span-2{grid-column:auto}
    .score-number{font-size:52px}
}