:root{
    --brand:#2456e6;--brand-dark:#1a3fb0;--bg:#f4f6f8;--panel:#fff;--border:#e4e8ee;
    --text:#1a2233;--muted:#7a869a;--ok:#0a7f3f;--warn:#b8860b;--error:#c0392b;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.app-shell{display:flex;min-height:100vh}
.sidebar{width:220px;background:#151b2b;color:#cfd6e6;display:flex;flex-direction:column;padding:20px 0;flex-shrink:0}
.sidebar .brand{font-weight:700;color:#fff;padding:0 20px 20px}
.sidebar nav{display:flex;flex-direction:column;flex:1}
.sidebar nav a{color:#cfd6e6;padding:10px 20px}
.sidebar nav a:hover{background:#1f2740;text-decoration:none}
.logout-form{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid #262f47;font-size:13px}
.link-btn{background:none;border:none;color:#9fb0d6;cursor:pointer;padding:0;font-size:13px}
.link-btn.danger{color:#e77}
.content{flex:1;padding:32px;max-width:1100px}
.content.full{max-width:none;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}

.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-header h1{margin:0;font-size:22px}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px;margin-bottom:20px}
.panel.no-pad{padding:0}
.panel h2{margin-top:0;font-size:16px}
.muted-panel{background:#fafbfc}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}

.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}
.stat-card.muted-card{background:#fafbfc;color:var(--muted)}
.stat-value{font-size:28px;font-weight:700}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}

.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{text-align:left;padding:12px 24px;border-bottom:1px solid var(--border);font-size:14px}
.data-table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.row-actions form{display:inline}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}
.badge-ok{background:#e5f6ec;color:var(--ok)}
.badge-warn{background:#fdf3d9;color:var(--warn)}
.badge-error{background:#fdeceb;color:var(--error)}

.detail-list{display:grid;grid-template-columns:160px 1fr;gap:8px 16px;margin:0}
.detail-list dt{color:var(--muted);font-size:13px}
.detail-list dd{margin:0}

.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-error{background:#fdeceb;color:var(--error)}
.alert-success{background:#e5f6ec;color:var(--ok)}

.auth-box{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:36px;max-width:380px;width:100%}
.auth-box h1{margin:0 0 4px;font-size:20px}

form label{display:block;font-size:13px;font-weight:600;margin:14px 0 4px}
form input,form select{width:100%;padding:9px 10px;border:1px solid #ccd3de;border-radius:6px;font-size:14px}
form button{margin-top:20px;background:var(--brand);color:#fff;border:none;padding:10px 18px;border-radius:6px;font-size:15px;cursor:pointer}
form button:hover{background:var(--brand-dark)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}

.btn{display:inline-block;padding:8px 16px;border-radius:6px;border:1px solid var(--border);color:var(--text)}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none}

.muted{color:var(--muted)}
.note{font-size:13px}

.progress-bar{background:#eef1f6;border-radius:20px;height:10px;overflow:hidden}
.progress-bar-fill{background:var(--brand);height:100%;transition:width .3s ease}
.crawl-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:16px 0}
.crawl-stat{text-align:center}
.crawl-stat .stat-value{font-size:22px}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}
.btn-danger{color:var(--error);border-color:#f3c9c4}
.seo-report-cta{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
code.url{word-break:break-all;font-size:13px}

@media (max-width: 768px){
    .app-shell{flex-direction:column}
    .sidebar{width:100%;flex-direction:row;align-items:center;padding:10px 16px}
    .sidebar nav{flex-direction:row;flex:1}
    .sidebar .brand{padding:0 16px 0 0}
    .logout-form{padding:0}
    .content{padding:16px}
    .data-table th,.data-table td{padding:10px 12px}
    .grid-2{grid-template-columns:1fr}
    .detail-list{grid-template-columns:1fr}
}