:root{
    --ka-navy:#0f2746;
    --ka-navy-2:#15315a;
    --ka-blue:#2f6fed;
    --ka-blue-soft:#e8f0ff;
    --ka-cyan:#22c6d6;
    --ka-bg:#f4f7fb;
    --ka-card:#ffffff;
    --ka-text:#1d2433;
    --ka-muted:#6b7588;
    --ka-border:#e6ebf2;
}
[data-bs-theme="dark"]{
    --ka-navy:#0b1626;
    --ka-navy-2:#10203a;
    --ka-blue:#4f8bff;
    --ka-blue-soft:#16233b;
    --ka-bg:#0a1320;
    --ka-card:#111e30;
    --ka-text:#e8eef7;
    --ka-muted:#93a0b5;
    --ka-border:#1d2c42;
}
body{background:var(--ka-bg);color:var(--ka-text);font-family:'Segoe UI',system-ui,-apple-system,sans-serif;}
.ka-shell{display:flex;min-height:100vh;}
.ka-sidebar{width:264px;background:linear-gradient(180deg,var(--ka-navy),var(--ka-navy-2));color:#dfe7f4;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:1040;transition:transform .25s;}
.ka-brand{display:flex;align-items:center;gap:.7rem;padding:1.3rem 1.25rem;border-bottom:1px solid rgba(255,255,255,.08);}
.ka-logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--ka-blue),var(--ka-cyan));display:grid;place-items:center;color:#fff;font-size:1.2rem;}
.ka-brand-name{font-weight:700;font-size:1.1rem;color:#fff;}
.ka-brand-sub{font-size:.72rem;color:#9fb2d4;}
.ka-nav{flex:1;padding:1rem .75rem;display:flex;flex-direction:column;gap:.25rem;overflow-y:auto;}
.ka-nav-link{display:flex;align-items:center;gap:.75rem;padding:.65rem .85rem;border-radius:10px;color:#c3d0e6;text-decoration:none;font-weight:500;font-size:.92rem;transition:.15s;}
.ka-nav-link i{font-size:1.1rem;}
.ka-nav-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.ka-nav-link.active{background:linear-gradient(135deg,var(--ka-blue),var(--ka-cyan));color:#fff;box-shadow:0 6px 16px rgba(47,111,237,.35);}
.ka-sidebar-foot{padding:1rem;border-top:1px solid rgba(255,255,255,.08);}
.ka-main{flex:1;margin-left:264px;display:flex;flex-direction:column;min-width:0;}
.ka-topbar{display:flex;align-items:center;gap:1rem;padding:.9rem 1.5rem;background:var(--ka-card);border-bottom:1px solid var(--ka-border);position:sticky;top:0;z-index:1020;}
.ka-page-title{font-size:1.25rem;font-weight:700;margin:0;flex:1;}
.ka-topbar-actions{display:flex;align-items:center;gap:.75rem;}
.ka-user{display:flex;align-items:center;gap:.5rem;font-weight:600;}
.ka-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--ka-blue),var(--ka-cyan));color:#fff;display:grid;place-items:center;font-weight:700;}
.ka-content{padding:1.5rem;max-width:1200px;width:100%;}
.ka-card{background:var(--ka-card);border:1px solid var(--ka-border);border-radius:16px;padding:1.25rem;box-shadow:0 2px 10px rgba(15,39,70,.04);}
.ka-stat{display:flex;flex-direction:column;gap:.35rem;}
.ka-stat .num{font-size:1.9rem;font-weight:800;line-height:1;}
.ka-stat .lbl{color:var(--ka-muted);font-size:.85rem;}
.ka-stat-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;}
.bg-soft-blue{background:var(--ka-blue-soft);color:var(--ka-blue);}
.bg-soft-green{background:#e4f7ec;color:#1f9d57;}
.bg-soft-yellow{background:#fff4e0;color:#d68a12;}
.bg-soft-red{background:#fde8e8;color:#d64545;}
.bg-soft-cyan{background:#e0f7fa;color:#0f97a6;}
.ka-badge{font-size:.72rem;font-weight:600;padding:.3rem .6rem;border-radius:20px;}
.ka-score{font-weight:800;}
.ka-score-high{color:#1f9d57;}
.ka-score-mid{color:#d68a12;}
.ka-score-low{color:#d64545;}
.ka-empty{text-align:center;padding:3rem 1rem;color:var(--ka-muted);}
.ka-empty i{font-size:2.4rem;display:block;margin-bottom:.6rem;opacity:.5;}
.table>:not(caption)>*>*{background:transparent;color:var(--ka-text);}
.ka-auth-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--ka-navy),var(--ka-blue));padding:1rem;}
.ka-auth-card{background:var(--ka-card);border-radius:20px;padding:2.25rem;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.25);}
.ka-auth-brand{text-align:center;margin-bottom:1.5rem;}
.ka-auth-brand .ka-logo{margin:0 auto .75rem;width:54px;height:54px;font-size:1.6rem;}
.ka-auth-brand h1{font-size:1.5rem;font-weight:800;margin:0;}
.ka-auth-brand p{color:var(--ka-muted);font-size:.85rem;margin:0;}
.form-control,.form-select{background:var(--ka-card);border-color:var(--ka-border);color:var(--ka-text);}
.form-control:focus,.form-select:focus{border-color:var(--ka-blue);box-shadow:0 0 0 .2rem rgba(47,111,237,.15);}
.btn-primary{background:var(--ka-blue);border-color:var(--ka-blue);}
.btn-primary:hover{background:#2560d8;border-color:#2560d8;}
.section-title{font-weight:700;font-size:1.05rem;margin-bottom:.25rem;}
@media(max-width:991px){
    .ka-sidebar{transform:translateX(-100%);}
    .ka-sidebar.open{transform:translateX(0);}
    .ka-main{margin-left:0;}
}