:root{
  --bg:#f5f7fa;--surface:#fff;--surface-2:#f9fbfc;--ink:#102033;--muted:#6b7a8b;
  --line:#dfe6ec;--nav:#0e2638;--nav-2:#16394f;--accent:#a5202a;--accent-2:#7f1820;
  --good:#177454;--bad:#b33939;--warn:#ad7415;--shadow:0 14px 36px rgba(15,36,53,.08);
  --radius:18px;--radius-sm:12px;--content:1480px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
body{overflow-x:hidden}
button,input,select,textarea{font:inherit}
a{color:inherit;text-decoration:none}
.shell{min-height:100vh;display:grid;grid-template-columns:288px minmax(0,1fr)}
.sidebar{background:linear-gradient(180deg,var(--nav),#0a1d2a);color:#dce7ef;padding:22px 18px;position:sticky;top:0;height:100vh;overflow-y:auto;z-index:60}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 24px}
.brandmark{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--accent);display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(0,0,0,.12)}
.brand-copy{min-width:0}
.brand-copy strong{display:block;font-size:16px;line-height:1.15}
.brand-copy small{display:block;color:#88a4b8;font-size:11px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#6e8da1;margin:22px 10px 8px}
.nav{padding-bottom:24px}
.nav a{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:11px;margin:3px 0;color:#c9d7e2;font-size:14px;transition:.18s ease}
.nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav a.active{background:#fff;color:var(--nav);font-weight:750;box-shadow:0 8px 20px rgba(0,0,0,.08)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.sidebar-backdrop{display:none}

.main{min-width:0}
.topbar{min-height:78px;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 28px;position:sticky;top:0;z-index:40}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.top-title-wrap{min-width:0}
.top-title{font-size:18px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-sub{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile{display:flex;align-items:center;gap:11px;min-width:0}
.profile-meta{text-align:right;min-width:0}
.profile-meta strong{display:block;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile-meta .muted{font-size:11px}
.avatar{width:40px;height:40px;border-radius:50%;background:#e6edf2;color:var(--nav);display:grid;place-items:center;font-weight:900;flex:0 0 auto}

.content{padding:28px;max-width:var(--content);margin:0 auto;width:100%}
.hero{background:linear-gradient(135deg,#102f45,#173f58 58%,#0d2637);color:white;border-radius:24px;padding:28px 30px;box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;margin-bottom:24px;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;right:-70px;top:-95px;width:250px;height:250px;border-radius:50%;background:rgba(165,32,42,.22)}
.hero h1{margin:0 0 8px;font-size:clamp(26px,3vw,38px);line-height:1.05}
.hero p{margin:0;color:#d7e2e9;max-width:760px;font-size:15px}
.badge{position:relative;z-index:1;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.15);font-size:12px;white-space:nowrap}

.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 28px rgba(31,55,83,.045);min-width:0}
.metric .k{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.metric .v{font-size:29px;font-weight:850;margin:8px 0 3px}
.metric .s{font-size:12px;color:var(--muted)}
.section{margin-top:24px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:13px;flex-wrap:wrap}
.section-head h2{font-size:18px;margin:0}
.toolbar{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.btn{appearance:none;border:0;border-radius:11px;background:var(--accent);color:white;padding:10px 14px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px}
.btn:hover{background:var(--accent-2)}
.btn.secondary{background:#edf2f6;color:#16394f}
.btn.secondary:hover{background:#e2e9ef}
.btn.danger{background:#fff0f0;color:#a52f2f}
.btn.small{padding:8px 10px;min-height:34px;font-size:12px}

.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:0 8px 28px rgba(31,55,83,.035)}
.table{width:100%;border-collapse:collapse;min-width:760px}
.table th,.table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:middle}
.table th{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);background:#fbfcfd;position:sticky;top:0;z-index:1}
.table tr:last-child td{border-bottom:0}
.table code{font-size:12px;word-break:break-all}
.status{font-size:11px;padding:5px 9px;border-radius:999px;background:#eef3f6;display:inline-flex;align-items:center;white-space:nowrap}
.status.good{background:#e9f6ef;color:var(--good)}
.status.bad{background:#fdeeee;color:var(--bad)}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{min-width:0}
.field label{display:block;font-size:11px;font-weight:800;color:#526174;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;border:1px solid #d4dde5;background:#fff;border-radius:11px;padding:11px 12px;outline:none;min-height:42px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#718fa5;box-shadow:0 0 0 3px rgba(34,78,108,.08)}
.muted{color:var(--muted)}
.empty{padding:34px;text-align:center;color:var(--muted)}

.modal{border:0;border-radius:18px;padding:0;max-width:660px;width:min(660px,calc(100% - 28px));box-shadow:0 30px 90px rgba(0,0,0,.25)}
.modal::backdrop{background:rgba(5,18,28,.58);backdrop-filter:blur(4px)}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}
.modal-body{padding:20px;max-height:70vh;overflow:auto}
.modal-foot{padding:15px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

.flash{padding:13px 15px;border-radius:12px;margin-bottom:12px;border:1px solid}
.flash.success{background:#ecf8f2;border-color:#cdebdc;color:#126c4d}
.flash.error{background:#fff0f0;border-color:#f3cccc;color:#9d2c2c}

.login{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(420px,.85fr);background:white}
.login-art{background:linear-gradient(145deg,#0d2638,#173f58);padding:64px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(165,32,42,.22);right:-140px;bottom:-170px}
.login-art h1{font-size:clamp(38px,5vw,62px);max-width:720px;line-height:1.02;margin:0;position:relative;z-index:1}
.login-art p,.login-art small,.login-art .brand{position:relative;z-index:1}
.login-box{display:grid;place-items:center;padding:36px}
.login-card{width:min(440px,100%)}
.login-card h2{font-size:29px;margin-bottom:7px}
.login-card .field{margin:15px 0}
.login-card .btn{width:100%;padding:13px}
.mobile-btn{display:none}
.only-mobile{display:none}

@media(max-width:1200px){
  .shell{grid-template-columns:250px minmax(0,1fr)}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .content{padding:24px}
}

@media(max-width:900px){
  .shell{display:block}
  .sidebar{position:fixed;left:-300px;top:0;width:280px;height:100vh;transition:left .22s ease;box-shadow:18px 0 50px rgba(0,0,0,.18)}
  .sidebar.open{left:0}
  .sidebar-backdrop{display:block;position:fixed;inset:0;background:rgba(6,18,28,.44);z-index:55;opacity:0;visibility:hidden;transition:.2s}
  .sidebar-backdrop.open{opacity:1;visibility:visible}
  .mobile-btn{display:inline-flex}
  .topbar{padding:10px 16px;min-height:68px}
  .content{padding:20px 16px 40px}
  .hero{grid-template-columns:1fr;padding:24px}
  .profile-meta{display:none}
  .top-sub{display:none}
}

@media(max-width:640px){
  .grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .card{padding:16px;border-radius:15px}
  .hero{border-radius:18px}
  .hero h1{font-size:28px}
  .section-head{align-items:flex-start}
  .section-head .btn,.section-head .status{max-width:100%}
  .toolbar{width:100%}
  .toolbar .btn,.toolbar form{flex:1 1 auto}
  .toolbar form .btn{width:100%}
  .table{min-width:680px}
  .modal-body{padding:16px}
  .modal-foot{padding:14px 16px}
  .top-title{font-size:16px}
  .avatar{width:36px;height:36px}
  .topbar .btn.secondary[href*="logout"]{padding:9px 10px;font-size:12px}
  .login{display:block}
  .login-art{display:none}
  .login-box{min-height:100vh;padding:24px 18px}
}

@media(max-width:420px){
  .content{padding-left:12px;padding-right:12px}
  .topbar{padding-left:10px;padding-right:10px}
  .btn{padding:9px 11px}
  .hero{padding:20px}
  .metric .v{font-size:25px}
}