:root{
  --bg:#f4f7fb; --bg2:#eef4ff; --card:#ffffff; --card2:#f9fbff; --text:#0c1728; --muted:#66758b;
  --blue:#1267ff; --blue2:#03a9ff; --yellow:#ffc933; --yellow2:#ffdf70; --border:#dfe7f3; --sidebar:#071225;
  --success:#17a34a; --danger:#ef4444; --warning:#f59e0b; --shadow:0 22px 60px rgba(15,35,75,.10);
}
body.dark{
  --bg:#06101f; --bg2:#0a1830; --card:#0d1b31; --card2:#101f38; --text:#edf6ff; --muted:#9fb0c9;
  --border:#203653; --sidebar:#040a14; --shadow:0 22px 70px rgba(0,0,0,.34);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,var(--bg),var(--bg2));color:var(--text);min-height:100vh}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.logo{height:58px;max-width:210px}.brand-mini{display:flex;align-items:center;gap:12px;margin-bottom:22px}.brand-mini img{height:54px}
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;position:relative;overflow:hidden}.login-wrap:before{content:"";position:absolute;inset:-120px;background:radial-gradient(circle at 16% 20%,rgba(18,103,255,.26),transparent 28%),radial-gradient(circle at 72% 70%,rgba(255,201,51,.25),transparent 27%);pointer-events:none}.hero{position:relative;background:linear-gradient(145deg,#061020,#0a1f40 55%,#071225);color:white;padding:64px;display:flex;flex-direction:column;justify-content:center}.hero:after{content:"";position:absolute;right:70px;bottom:70px;width:260px;height:260px;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 54px rgba(18,103,255,.06),0 0 0 105px rgba(255,201,51,.04)}.hero h1{font-size:62px;letter-spacing:-2.6px;line-height:.96;margin:24px 0 18px;max-width:720px}.hero p{font-size:18px;line-height:1.7;color:#c8d9ef;max-width:620px}.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.pill{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#dbeafe;padding:9px 13px;border-radius:999px;font-weight:800;font-size:13px}.login-card{position:relative;display:flex;align-items:center;justify-content:center;padding:34px}.box{background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:var(--shadow);width:100%;max-width:438px}body.dark .box{background:rgba(13,27,49,.86)}.box h2{font-size:30px;margin:18px 0 6px}.input,select,textarea{width:100%;padding:14px 15px;border:1px solid var(--border);border-radius:15px;background:var(--card2);color:var(--text);margin:7px 0 15px;outline:none;transition:.18s}.input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(18,103,255,.12)}label{font-size:13px;font-weight:800;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:white;padding:12px 17px;font-weight:900;cursor:pointer;box-shadow:0 12px 24px rgba(18,103,255,.20);transition:.18s}.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}.btn.yellow{background:linear-gradient(135deg,var(--yellow),var(--yellow2));color:#071225;box-shadow:0 12px 22px rgba(255,201,51,.18)}.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border);box-shadow:none}.btn.small{padding:8px 11px;border-radius:12px;font-size:13px}.app{display:flex;min-height:100vh}.sidebar{width:286px;background:linear-gradient(180deg,var(--sidebar),#081c38);color:white;padding:24px 18px;position:fixed;inset:0 auto 0 0;border-right:1px solid rgba(255,255,255,.08)}.sidebar .logo{width:205px;height:auto;margin:2px 0 18px 6px}.nav{display:grid;gap:5px}.nav a{display:flex;align-items:center;gap:10px;padding:13px 14px;border-radius:15px;color:#c8d9ef;margin:1px 0;font-weight:800;font-size:14px}.nav a:hover,.nav a.active{background:linear-gradient(135deg,rgba(18,103,255,.24),rgba(3,169,255,.10));color:white}.main{margin-left:286px;width:calc(100% - 286px);padding:30px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.topbar h2{font-size:30px;margin:0 0 5px;letter-spacing:-.8px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:23px;box-shadow:var(--shadow);position:relative;overflow:hidden}.card:before{content:"";position:absolute;right:-38px;top:-46px;width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,rgba(18,103,255,.10),rgba(255,201,51,.10));pointer-events:none}.stat{font-size:31px;font-weight:950;letter-spacing:-1px;margin-top:6px}.muted{color:var(--muted)}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;background:var(--card)}th,td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:0}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;background:var(--card2)}.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}.pending{background:#fff4cc;color:#805b00}.approved,.active{background:#dcfce7;color:#166534}.cancelled,.rejected,.suspended{background:#fee2e2;color:#991b1b}.alert{padding:13px 15px;border-radius:15px;margin:10px 0;background:#dcfce7;color:#166534;border:1px solid rgba(22,101,52,.12)}.alert-danger{background:#fee2e2;color:#991b1b}.alert-warning{background:rgba(255,193,7,.14);border:1px solid rgba(255,193,7,.35);color:#8a6100}body.dark .alert-warning{color:#ffd76b}.actions{display:flex;gap:8px;flex-wrap:wrap}.theme-toggle{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:999px;padding:11px 14px;cursor:pointer;font-weight:900}.notice{padding:13px;border:1px solid var(--border);border-radius:15px;background:var(--card2);word-break:break-all}.qr-box{display:flex;align-items:center;justify-content:center;background:white;border-radius:20px;padding:18px;border:1px solid var(--border)}.copy-row{display:flex;gap:10px;align-items:center}.copy-row input{margin:0}.footer-note{margin-top:22px;color:var(--muted);font-size:13px}.soft-line{height:1px;background:var(--border);margin:18px 0}.empty{padding:28px;text-align:center;color:var(--muted)}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:48px}}@media(max-width:900px){.login-wrap{grid-template-columns:1fr}.hero{display:none}.sidebar{position:static;width:100%;height:auto}.app{display:block}.main{margin:0;width:100%;padding:16px}.grid-4,.grid-2{grid-template-columns:1fr}.topbar{display:block}.box{max-width:100%}.nav{grid-template-columns:repeat(2,1fr)}.sidebar .logo{height:48px}.login-card{min-height:100vh}}@media(max-width:520px){.nav{grid-template-columns:1fr}.hero h1{font-size:36px}.card{padding:18px}.topbar h2{font-size:25px}}
.rate-letter{display:flex;align-items:center;gap:12px;margin:22px 0 10px;font-weight:950;color:var(--text)}
.rate-letter:after{content:"";height:1px;background:var(--border);flex:1}.rate-letter span{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 10px 22px rgba(18,103,255,.18)}
.rate-table{margin-bottom:8px}