:root{
  --ink:#16202e; --ink-soft:#44546a; --muted:#7d8aa0; --line:#e3e8f0;
  --bg:#f5f7fb; --card:#ffffff; --brand:#1a5fd0; --brand-dark:#12489c;
  --accent:#0fa37e; --warn:#b7791f; --bad:#c53030; --radius:14px;
  --shadow:0 1px 3px rgba(22,32,46,.08),0 4px 14px rgba(22,32,46,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:1.2rem 1rem 3rem}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:1rem;background:var(--card);border-bottom:1px solid var(--line);padding:.55rem 1rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;letter-spacing:.14em;color:var(--ink);font-size:1.05rem}
.brand-logo{height:32px;width:auto;max-width:150px;object-fit:contain}
.topnav{display:flex;gap:.15rem;flex-wrap:wrap;flex:1}
.topnav a{padding:.4rem .6rem;border-radius:8px;color:var(--ink-soft);font-size:.92rem}
.topnav a:hover{background:var(--bg);text-decoration:none}
.topnav a.active{background:var(--brand);color:#fff}
.topbar-right{display:flex;align-items:center;gap:.8rem;font-size:.9rem}
.notif b{background:var(--bad);color:#fff;border-radius:999px;padding:0 .4em;font-size:.75rem}
.admin-link{color:var(--warn);font-weight:600}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:1.1rem;padding:.25rem .6rem}
h1{font-size:1.7rem;line-height:1.2;margin:.4rem 0 1rem}
h2{font-size:1.25rem;margin:1.6rem 0 .6rem}
h3{font-size:1.05rem;margin:.8rem 0 .4rem}
.muted{color:var(--muted)} .small{font-size:.85rem}
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:.6rem 1.1rem;font-size:.95rem;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-dark);text-decoration:none}
.btn-sm{padding:.35rem .8rem;font-size:.85rem}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-danger{background:var(--bad)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;box-shadow:var(--shadow);margin-bottom:1rem}
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,1fr)} .grid-3{grid-template-columns:repeat(3,1fr)} .grid-4{grid-template-columns:repeat(4,1fr)}
.hero{background:linear-gradient(135deg,#12489c,#1a5fd0 55%,#0fa37e);color:#fff;border-radius:18px;padding:2rem 1.6rem;margin-bottom:1.4rem}
.hero h1{color:#fff;margin:0 0 .3rem}
.hero p{opacity:.92;max-width:44ch}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;margin:1rem 0}
.quick-grid a{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.9rem;text-align:center;font-weight:600;color:var(--ink)}
.quick-grid a:hover{border-color:var(--brand);text-decoration:none}
.flash{padding:.7rem 1rem;border-radius:10px;margin:.6rem 0}
.flash-ok{background:#e6f6f1;color:#0b6e54;border:1px solid #bfe7db}
.flash-err{background:#fdecec;color:var(--bad);border:1px solid #f5c9c9}
.badge{display:inline-block;border-radius:999px;padding:.12rem .6rem;font-size:.75rem;font-weight:600}
.badge-good{background:#e6f6f1;color:#0b6e54}.badge-warn{background:#fdf3e0;color:var(--warn)}
.badge-bad{background:#fdecec;color:var(--bad)}.badge-muted{background:#eef1f6;color:var(--muted)}
form.stack label{display:block;font-weight:600;font-size:.9rem;margin:.7rem 0 .2rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=url],select,textarea{
  width:100%;padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
textarea{min-height:110px}
.filters{display:flex;gap:.6rem;flex-wrap:wrap;align-items:end;margin-bottom:1rem}
.filters>*{flex:1;min-width:130px}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:2rem;text-align:center;color:var(--muted)}
.list-row{display:flex;gap:1rem;align-items:flex-start;padding:.8rem 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:none}
.thumb{width:90px;height:68px;object-fit:cover;border-radius:10px;background:var(--bg);flex:none}
.thumb-ph{width:90px;height:68px;border-radius:10px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--muted);flex:none;font-size:.7rem}
.pagination{display:flex;gap:.4rem;margin:1rem 0}
.pagination a{padding:.35rem .7rem;border:1px solid var(--line);border-radius:8px;background:#fff}
.pagination a.active{background:var(--brand);color:#fff}
.footer{border-top:1px solid var(--line);background:var(--card);padding:1.6rem 1rem;text-align:center;margin-top:2rem}
.foot-links a{color:var(--muted)}
table.admin{width:100%;border-collapse:collapse;font-size:.9rem}
table.admin th,table.admin td{border-bottom:1px solid var(--line);padding:.5rem;text-align:left;vertical-align:top}
table.admin th{background:var(--bg)}
.tabs{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem}
.tabs a{padding:.4rem .9rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-soft)}
.tabs a.active{background:var(--ink);color:#fff}
.notice{border-left:4px solid var(--warn);background:#fffaf0;padding:.7rem 1rem;border-radius:8px;margin:.8rem 0;font-size:.92rem}
@media (max-width:820px){
  .nav-toggle{display:block}
  .topnav{display:none;flex-basis:100%;flex-direction:column}
  body.nav-open .topnav{display:flex}
  .topbar-right{font-size:.85rem;gap:.5rem}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  h1{font-size:1.4rem}
}
@media (max-width:520px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}