:root{
  --bg:#f4f7fd; --bg2:#ffffff; --card:#ffffff; --card2:#eef3fc; --line:#dde5f3;
  --txt:#1e293b; --mut:#64748b; --pri:#3b82f6; --pri2:#7c5cff; --ok:#16a34a; --warn:#f59e0b; --bad:#ef4444;
  --field:#f8fafd; --shadow:0 4px 18px rgba(30,64,140,.07);
  --r:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--txt);
  background:radial-gradient(900px 480px at 8% -10%,#dbe8ff,transparent),radial-gradient(800px 420px at 100% 0,#ece4ff,transparent),var(--bg);
  min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px 48px}
.top{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--line)}
.top .in{max-width:1100px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.brand i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-style:normal;
  background:linear-gradient(135deg,var(--pri),var(--pri2));box-shadow:0 6px 16px rgba(59,130,246,.35)}
.nav{display:flex;gap:4px;margin-left:12px}
.nav a{color:var(--mut);padding:8px 14px;border-radius:10px;font-weight:600;font-size:.92rem;transition:.2s}
.nav a:hover{color:var(--txt);background:var(--card2)}
.nav a.on{color:var(--pri);background:#e3edff}
.sp{flex:1}
.who{font-size:.85rem;color:var(--mut)}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:700;color:#fff;
  padding:11px 18px;border-radius:12px;background:linear-gradient(135deg,var(--pri),var(--pri2));
  box-shadow:0 8px 20px rgba(59,130,246,.28);transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(59,130,246,.38)}
.btn.sec{background:#fff;color:var(--txt);box-shadow:none;border:1px solid var(--line)}
.btn.ok{background:linear-gradient(135deg,#16a34a,#22c55e);box-shadow:0 8px 20px rgba(34,197,94,.28)}
.btn.bad{background:linear-gradient(135deg,#dc2626,#f87171);box-shadow:0 8px 20px rgba(239,68,68,.25)}
.btn.sm{padding:7px 12px;font-size:.82rem;border-radius:9px}
h1{font-size:1.6rem;margin:26px 0 4px}
.sub{color:var(--mut);margin:0 0 20px}
.grid{display:grid;gap:14px}
.stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;position:relative;overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.stat:hover{transform:translateY(-3px);border-color:#b9cdf0}
.stat b{display:block;font-size:2rem;margin-top:6px}
.stat span{color:var(--mut);font-size:.82rem;text-transform:uppercase;letter-spacing:.8px;font-weight:700}
.stat::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:var(--glow,#3b82f61f);filter:blur(8px)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.card h2{margin:0 0 14px;font-size:1.05rem}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tabs a{padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--mut);font-weight:700;font-size:.85rem;transition:.2s}
.tabs a.on,.tabs a:hover{color:#fff;background:var(--pri);border-color:var(--pri)}
table{width:100%;border-collapse:collapse}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.8px;color:var(--mut);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:13px 12px;border-bottom:1px solid #eaf0fa;font-size:.93rem;vertical-align:middle}
tr.row{cursor:pointer;transition:.15s}
tr.row:hover td{background:#f1f6ff}
.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:.76rem;font-weight:800;border:1px solid transparent}
.st-wait{background:#fff4dc;color:#b45309;border-color:#fcd34d}
.st-work{background:#e3edff;color:#1d4ed8;border-color:#a9c4fb}
.st-done{background:#dcfce7;color:#15803d;border-color:#86efac}
.st-fail{background:#fee2e2;color:#b91c1c;border-color:#fca5a5}
.pulse{animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(245,158,11,.45)}50%{box-shadow:0 0 0 8px rgba(245,158,11,0)}}
.kv{display:grid;grid-template-columns:150px 1fr auto;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);align-items:center}
.kv label{color:var(--mut);font-size:.85rem}
.kv strong{font-size:1.08rem;letter-spacing:.3px;word-break:break-all}
.copy{background:var(--card2);border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:5px 10px;font-size:.78rem;cursor:pointer;font-weight:700;transition:.2s}
.copy:hover{background:var(--pri);border-color:var(--pri);color:#fff}
label.f{display:block;color:var(--mut);font-size:.82rem;font-weight:700;margin:14px 0 6px}
input[type=text],input[type=password],input[type=number],select,textarea{width:100%;background:var(--field);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:12px 14px;font:inherit;transition:.2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--pri);box-shadow:0 0 0 3px rgba(59,130,246,.18);background:#fff}
textarea{min-height:100px;resize:vertical}
.risk{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.risk label{cursor:pointer;position:relative}
.risk input{position:absolute;opacity:0}
.risk span{display:block;text-align:center;padding:13px 8px;border-radius:12px;border:2px solid var(--line);font-weight:800;background:var(--field);transition:.2s;color:var(--mut)}
.risk label:hover span{border-color:var(--c)}
.risk input:checked+span{color:#fff;border-color:var(--c);background:var(--c);box-shadow:0 6px 16px color-mix(in srgb,var(--c) 40%,transparent)}
.drop{border:2px dashed #b5c8ea;border-radius:14px;padding:26px;text-align:center;color:var(--mut);cursor:pointer;transition:.2s;background:var(--field)}
.drop:hover,.drop.over{border-color:var(--pri);color:var(--txt);background:#eef4ff}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-top:12px}
.th{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--field);aspect-ratio:1;display:grid;place-items:center;font-size:.72rem;text-align:center;padding:6px}
.th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.th a{position:absolute;inset:0}
.th em{position:absolute;left:0;right:0;bottom:0;background:rgba(15,23,42,.65);color:#fff;font-style:normal;padding:3px 6px;font-size:.68rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.alert{padding:12px 16px;border-radius:12px;margin-bottom:14px;font-weight:600}
.alert.ok{background:#dcfce7;border:1px solid #86efac;color:#166534}
.alert.bad{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}
.empty{text-align:center;color:var(--mut);padding:34px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.toast{position:fixed;right:18px;bottom:18px;color:#fff;background:linear-gradient(135deg,var(--pri),var(--pri2));padding:14px 20px;border-radius:14px;font-weight:700;box-shadow:0 14px 40px rgba(59,90,180,.35);transform:translateY(120px);transition:.4s;z-index:50}
.toast.show{transform:none}
/* Đăng nhập */
.login{min-height:100vh;display:grid;place-items:center;padding:20px}
.lbox{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 24px 60px rgba(40,70,150,.15);animation:rise .6s ease}
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.lbox .logo{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;font-size:28px;margin:0 auto 14px;background:linear-gradient(135deg,var(--pri),var(--pri2));box-shadow:0 10px 26px rgba(59,130,246,.4)}
.lbox h1{text-align:center;margin:0 0 4px;font-size:1.4rem}
.lbox p{text-align:center;color:var(--mut);margin:0 0 20px;font-size:.9rem}
@media(max-width:720px){
  .nav{margin-left:0}.who{display:none}
  .row2{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr auto}.kv label{grid-column:1/-1}
  .hide-m{display:none}
  td,th{padding:10px 8px}
}