:root{
  --navy:#1F3A5F; --navy-d:#16294a; --gold:#C9A227; --bg:#F4F6F9; --card:#fff; --ink:#1b2430; --muted:#5d6b7c;
  --line:#dde3ea; --green:#1e8e4e; --yellow:#b7791f; --red:#c0392b; --grey:#6b7785;
  --radius:12px; --tap:44px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0f1722; --card:#17212f; --ink:#e8edf3; --muted:#9aa8b8; --line:#2a3748; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--navy)} @media (prefers-color-scheme: dark){a{color:#8fb4e8}}
h1{font-size:1.5rem;margin:.2rem 0 1rem} h2{font-size:1.15rem;margin:1.4rem 0 .6rem} h3{font-size:1rem;margin:.8rem 0 .4rem}
.muted{color:var(--muted)} .small{font-size:.875rem}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.5rem;background:var(--navy);color:#fff;padding:.5rem 1rem;min-height:56px}
.topbar a{color:#fff;text-decoration:none}
.brand{font-weight:700;letter-spacing:.2px;flex:1}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;min-width:var(--tap);min-height:var(--tap);background:transparent;border:0;color:#fff;font-size:1.3rem;border-radius:8px;cursor:pointer;position:relative}
.iconbtn:focus-visible,.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.dot{position:absolute;top:6px;right:4px;background:var(--gold);color:#111;border-radius:999px;font-size:.7rem;font-weight:700;padding:0 .35rem;min-width:1.1rem;text-align:center}
.layout{display:block}
.sidebar{display:none;background:var(--card);border-bottom:1px solid var(--line);padding:.5rem}
.sidebar.open{display:block}
.sidebar a{display:flex;align-items:center;min-height:var(--tap);padding:.4rem .8rem;border-radius:8px;text-decoration:none;color:var(--ink)}
.sidebar a.active{background:var(--navy);color:#fff;font-weight:600}
.sidebar .who{padding:.6rem .8rem;border-top:1px solid var(--line);margin-top:.5rem}
main{padding:1rem 1rem 3rem;max-width:1200px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-bottom:1rem}
.grid{display:grid;gap:1rem;grid-template-columns:1fr}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:var(--tap);padding:.5rem 1rem;border-radius:10px;border:1px solid var(--navy);background:var(--navy);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.secondary{background:transparent;color:var(--navy)} @media (prefers-color-scheme: dark){.btn.secondary{color:#8fb4e8;border-color:#8fb4e8}}
.btn.danger{background:var(--red);border-color:var(--red)}
.btn.small{min-height:36px;padding:.2rem .7rem;font-size:.9rem}
.flash{padding:.8rem 1rem;border-radius:10px;margin-bottom:1rem;border:1px solid}
.flash.ok{background:#e7f5ec;border-color:#9bd3b0;color:#14532d}
.flash.err{background:#fdecea;border-color:#f1a9a0;color:#7a1f16}
label{display:block;font-weight:600;margin:.6rem 0 .2rem}
input[type=text],input[type=email],input[type=number],input[type=date],select{width:100%;min-height:var(--tap);padding:.4rem .6rem;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
input[type=checkbox]{width:20px;height:20px;vertical-align:middle;margin-right:.4rem}
.check{display:flex;align-items:center;min-height:var(--tap)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:.5rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:.8rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.scroll{overflow-x:auto}
.badge{display:inline-block;padding:.1rem .6rem;border-radius:999px;font-size:.8rem;font-weight:700;color:#fff}
.badge.green{background:var(--green)} .badge.yellow{background:var(--yellow)} .badge.red{background:var(--red)} .badge.pending{background:var(--grey)}
.pill{display:inline-block;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:.05rem .6rem;font-size:.8rem;margin:.1rem .2rem .1rem 0}
details{border:1px solid var(--line);border-radius:10px;padding:.4rem .8rem;margin:.6rem 0}
summary{cursor:pointer;min-height:var(--tap);display:flex;align-items:center;font-weight:600}
.guest{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:linear-gradient(160deg,var(--navy-d),var(--navy))}
.guest .card{max-width:420px;width:100%;text-align:center;padding:2rem 1.4rem}
.guest img{width:84px;height:84px;border-radius:18px}
.gbtn{display:flex;align-items:center;justify-content:center;gap:.6rem;min-height:48px;width:100%;margin-top:1.2rem;background:#fff;color:#1f1f1f;border:1px solid #c7ccd3;border-radius:10px;font-weight:600;text-decoration:none}
@media (min-width:900px){
  .topbar #nav-toggle{display:none}
  .layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 56px)}
  .sidebar{display:block;border-bottom:0;border-right:1px solid var(--line);padding:1rem .6rem}
  .grid.two{grid-template-columns:1fr 1fr} .grid.three{grid-template-columns:repeat(3,1fr)}
}
.mt{margin-top:.6rem}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.flush{margin:0}
.tool{text-decoration:none;color:inherit;display:block}
fieldset.plain{border:0;padding:0;margin:0}
[hidden]{display:none!important}
.flash.warn{background:#fff6e0;border-color:#e8c46a;color:#6b4a00}
.actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}
.inline{display:inline}
.kpi{font-size:1.6rem;font-weight:700}