:root{--blue:#0b3b82;--blue2:#1264d8;--bg:#f5f8fc;--text:#10213d;--muted:#6a7890;--green:#0ca66b;--border:#dfe6ef}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#082f6d,#0a3f88);color:#fff;padding:24px 18px}
.brand{font-size:24px;font-weight:800;margin-bottom:30px}.brand small{display:block;font-size:12px;font-weight:400;opacity:.8}
.nav a{display:block;padding:12px 14px;border-radius:10px;margin:5px 0}.nav a:hover,.nav a.active{background:rgba(255,255,255,.13)}
.main{padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(20,45,90,.05)}
.candidate{background:linear-gradient(135deg,#0b4dab,#0d6bd7);color:#fff}.candidate h2{margin:0 0 8px;font-size:26px}.candidate .number{font-size:36px;font-weight:800}
.stat{font-size:40px;font-weight:800;margin-top:12px}.muted{color:var(--muted)}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden} th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left} th{background:#f0f5fb}
.form{max-width:760px}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field input,.field select{width:100%;padding:12px;border:1px solid #cbd6e2;border-radius:10px;background:#fff}
.btn{display:inline-block;border:0;border-radius:10px;padding:12px 16px;background:var(--blue2);color:#fff;font-weight:700;cursor:pointer}.btn.secondary{background:#e8eef7;color:#17386b}.alert{padding:12px 14px;border-radius:10px;margin-bottom:15px}.alert.error{background:#ffecec;color:#8d1b1b}.alert.ok{background:#eaf9f1;color:#146944}
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#082f6d,#1264d8)}.login-card{width:min(420px,92vw);background:#fff;padding:28px;border-radius:18px;box-shadow:0 18px 45px rgba(0,0,0,.2)}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}.cards,.grid4,.row{grid-template-columns:1fr}.main{padding:16px}}