:root{--bg:#ffffff;--fg:#0f172a;--muted:#64748b;--primary:#4f46e5;--primary-dark:#4338ca;--surface:#f8fafc;--border:#e2e8f0;--radius:12px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 20px}.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}.brand{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:-.5px}.nav-links{display:flex;align-items:center;gap:20px}.nav-links a{color:var(--muted);font-size:15px}.nav-links a:hover{color:var(--fg)}.btn{display:inline-block;padding:11px 22px;border-radius:var(--radius);font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{background:transparent;color:var(--primary);border-color:var(--border)}.btn-ghost:hover{background:var(--surface)}.hero{padding:72px 0 56px;text-align:center}.hero h1{font-size:46px;line-height:1.15;margin:0 0 18px;letter-spacing:-1px}.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 auto 32px}.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.section{padding:56px 0}.section h2{font-size:30px;text-align:center;margin:0 0 8px;letter-spacing:-.5px}.section .sub{text-align:center;color:var(--muted);margin:0 0 40px}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:22px;gap:22px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}.step-num{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px}.footer{border-top:1px solid var(--border);padding:32px 0;color:var(--muted);font-size:14px;text-align:center}.auth-wrap{max-width:420px;margin:56px auto;padding:0 20px}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.auth-card h1{font-size:26px;margin:0 0 6px}.auth-card .sub{color:var(--muted);margin:0 0 24px;font-size:15px}.field{margin-bottom:16px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;font-size:15px}.field input:focus{outline:none;border-color:var(--primary)}.btn-block{width:100%;text-align:center}.msg{padding:11px 14px;border-radius:10px;font-size:14px;margin-bottom:16px}.msg-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.msg-ok{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}.auth-alt{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}.auth-alt a{color:var(--primary);font-weight:600}@media (max-width:760px){.hero h1{font-size:34px}.grid{grid-template-columns:1fr}.nav-links .hide-mobile{display:none}}.shell{display:flex;min-height:100vh}.side{width:240px;background:#0f172a;color:#cbd5e1;padding:22px 16px;flex-shrink:0}.side .brand{color:#fff;font-size:20px;margin-bottom:24px}.side nav{display:flex;flex-direction:column;gap:4px}.side nav a{padding:10px 12px;border-radius:8px;color:#cbd5e1;font-size:15px}.side nav a:hover{background:#1e293b;color:#fff}.side nav a.active{background:var(--primary);color:#fff}.side .side-foot{margin-top:24px;border-top:1px solid #1e293b;padding-top:16px;font-size:13px;color:#94a3b8}.main{flex:1 1;background:var(--surface)}.topbar{background:#fff;border-bottom:1px solid var(--border);padding:16px 28px;display:flex;justify-content:space-between;align-items:center}.topbar h1{font-size:20px;margin:0}.content{padding:28px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;margin-bottom:24px}.stat{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.stat .label{color:var(--muted);font-size:13px;margin-bottom:6px}.stat .value{font-size:26px;font-weight:700}.stat .sub2{color:var(--muted);font-size:13px;margin-top:4px}.panel{background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px;margin-bottom:22px}.panel h2{font-size:17px;margin:0 0 16px}.row-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.row-form .field{margin:0}table.tbl{width:100%;border-collapse:collapse}table.tbl td,table.tbl th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}table.tbl th{color:var(--muted);font-weight:600}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-in{background:#f0fdf4;color:#15803d}.badge-out{background:#fef2f2;color:#b91c1c}.link-logout{color:var(--muted);font-size:14px}@media (max-width:760px){.side{width:64px}.side .brand,.side .side-foot,.side nav a span{display:none}.stat-row{grid-template-columns:1fr}}