:root{--navy:#0b2a4a;--navy-2:#123a63;--cyan:#13a6c9;--bg:#f3f6f9;--card:#fff;--ink:#14212e;--muted:#5d6b78;--line:#dde4ea;--ok:#167a4a;--err:#b42318;--warn:#a15c07}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
header.top{background:var(--navy);color:#fff;display:flex;align-items:center;gap:16px;padding:10px 20px;flex-wrap:wrap}
header.top .brand{font-weight:700;letter-spacing:.3px}
header.top .brand span{color:var(--cyan)}
header.top nav{display:flex;gap:14px;flex:1}
header.top a{color:#d6e6f5;text-decoration:none}
header.top a:hover{color:#fff}
header.top form{margin:0}
main{max-width:1100px;margin:24px auto;padding:0 16px}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:17px;margin:24px 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
button,.btn{font:inherit;border:0;border-radius:8px;padding:10px 16px;background:var(--navy-2);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}
button:hover,.btn:hover{background:var(--navy)}
button.sec,.btn.sec{background:#e7edf3;color:var(--ink)}
button.danger{background:var(--err)}
button.plan{width:100%;padding:18px;text-align:left;background:#fff;color:var(--ink);border:2px solid var(--line)}
button.plan:hover{border-color:var(--cyan);background:#f2fbfe}
button.plan b{display:block;font-size:17px}
button.plan small{color:var(--muted)}
input,select{font:inherit;padding:9px 10px;border:1px solid #c5d0da;border-radius:8px;background:#fff;min-width:0}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.tbl{overflow-x:auto}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.5px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px}
.flash.ok{background:#e6f4ec;color:var(--ok)}
.flash.error{background:#fdecea;color:var(--err)}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;background:#e7edf3}
.badge.en_uso{background:#e6f4ec;color:var(--ok)}
.badge.vendido,.badge.disponible{background:#e5f3fa;color:#0b6e8a}
.badge.vencido{background:#f1f1f1;color:#666}
.badge.anulado{background:#fdecea;color:var(--err)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.muted{color:var(--muted)}
.kpi{font-size:26px;font-weight:700}
.login{max-width:360px;margin:80px auto}
.login input{width:100%}
@media (max-width:600px){main{margin:12px auto}header.top nav{order:3;flex-basis:100%}}