:root{--navy:#0a2351;--navy2:#13367a;--bg:#f5f7fb;--line:#dde3ef;--text:#1b2438;--muted:#6b768d}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--navy2)}
label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600}
input,select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-size:15px;background:#fff}
input:focus,select:focus,.btn:focus-visible{outline:2px solid var(--navy2);outline-offset:1px}
.btn{display:inline-block;margin-top:18px;padding:11px 20px;background:var(--navy);color:#fff;border:1px solid var(--navy);border-radius:6px;font-size:15px;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--navy2)}
.btn.sm{margin-top:0;padding:8px 14px;font-size:14px}
.btn.outline{background:#fff;color:var(--navy)}
.btn.outline:hover{background:var(--bg)}
.alert{padding:10px 12px;border-radius:6px;font-size:14px;margin-bottom:6px}
.err{background:#fdecec;color:#a12121}.ok{background:#e8f6ee;color:#1d6b3c}
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:space-between;padding:0 7vw;
 background:linear-gradient(rgba(10,35,81,.78),rgba(10,35,81,.78)),url('bg.jpg') center/cover,linear-gradient(135deg,#0a2351,#2a5db0)}
.login-brand{color:#fff;max-width:420px}
.login-brand h1{font-size:44px;margin:0 0 12px}
.login-brand p{font-size:17px;line-height:1.6;opacity:.9}
.login-card{background:#fff;width:380px;padding:34px;border-radius:10px;box-shadow:0 20px 50px rgba(0,0,0,.35);margin-bottom:12vh}
.login-card h2{margin:0 0 10px;color:var(--navy)}
.login-card .btn{width:100%}
.alt{text-align:center;font-size:14px;color:var(--muted)}
.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:var(--navy);color:#fff;display:flex;flex-direction:column}
.logo{font-size:22px;font-weight:700;padding:26px 24px;border-bottom:1px solid rgba(255,255,255,.12)}
.sidebar nav{flex:1;padding-top:12px}
.sidebar nav a{display:block;padding:13px 24px;color:#cfd9ee;text-decoration:none;border-left:4px solid transparent}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:#fff}
.user{padding:18px 24px;font-size:13px;color:#aebbd8;border-top:1px solid rgba(255,255,255,.12)}
.content{margin-left:230px;padding:30px}
.page-title{color:var(--navy);margin:0 0 22px}
.panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px}
.grid2{display:grid;grid-template-columns:minmax(300px,440px) minmax(280px,360px);gap:24px;align-items:start}
.qr-card{text-align:center}
.qr-card img{width:200px;height:200px;border:1px solid var(--line);border-radius:6px}
.qr-card h3{margin:12px 0 4px;color:var(--navy)}
.muted{color:var(--muted);font-size:13px;word-break:break-all;margin:0 0 14px}
.actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.section{color:var(--navy);margin:28px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--navy)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.del{display:block;text-align:center;margin-top:6px;font-size:13px;color:#a12121}
@media(max-width:800px){.sidebar{position:static;width:100%}.content{margin:0;padding:18px}.grid2{grid-template-columns:1fr}
 .login-body{flex-direction:column;justify-content:center;gap:24px;padding:24px}.login-card{width:100%;margin:0}}