*{box-sizing:border-box}
:root{
 --bg:#f5f7fb;--card:#fff;--text:#162033;--muted:#72809a;--line:#e4e9f1;
 --nav:#101d30;--nav2:#20314c;--primary:#3562ff;--primary2:#244bd8;
 --success:#0b9560;--danger:#cf3f4f;--warning:#b67809;
 --shadow:0 8px 25px rgba(20,35,60,.055)
}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px}
body{line-height:1.45}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}
.sidebar{background:var(--nav);color:#dce5f2;padding:20px 15px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;gap:11px;align-items:center;padding:4px 10px 20px}
.mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:#fff;color:#17243b;display:grid;place-items:center;font-weight:900;font-size:14px}
.brand strong{font-size:16px}.brand small{display:block;color:#8295b2;font-size:11px;margin-top:1px}
.group{font-size:10px;color:#7890b1;letter-spacing:1.2px;font-weight:800;padding:17px 11px 6px}
.nav a{display:block;padding:10px 12px;border-radius:10px;color:#cad5e5;margin:2px 0;font-size:14px;transition:.15s ease}
.nav a:hover,.nav a.active{background:var(--nav2);color:#fff}
.main{min-width:0}
.top{height:70px;background:#fff;border-bottom:1px solid var(--line);padding:0 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:0;z-index:20}
.top strong{font-size:14px}.top small{color:var(--muted);font-size:12px}
.content{padding:28px;max-width:1600px;margin:0 auto}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:21px}
.head h1{margin:0;font-size:27px;line-height:1.15;letter-spacing:-.35px}
.head p{margin:5px 0 0;color:var(--muted);font-size:15px}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:40px;transition:.15s ease}
.btn:hover{transform:translateY(-1px)}
.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary2)}
.secondary{background:#edf1f7;color:#26354c}
.danger{background:#fff0f1;color:#b92f3e}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.card h3{margin:0 0 16px;font-size:18px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.metric .label{font-size:11px;text-transform:uppercase;color:var(--muted);font-weight:800;letter-spacing:.65px}
.metric .num{font-size:30px;font-weight:850;margin-top:8px;letter-spacing:-.7px}
.tablewrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}
th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.55px;background:#fafbfd;font-weight:800}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fbfcfe}
.tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#eef3ff;color:#3156bf;font-size:11px;font-weight:800;white-space:nowrap}
.tag.green{background:#eaf8f2;color:#08794c}.tag.gray{background:#f0f2f5;color:#667085}
.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.field label{font-size:12px;font-weight:800;display:block;margin-bottom:6px;color:#26344a}
.field input,.field select,.field textarea{
 width:100%;min-height:44px;border:1px solid #d9e0ea;border-radius:10px;padding:10px 12px;
 background:#fff;color:var(--text);outline:none;transition:.15s ease
}
.field textarea{min-height:94px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#91a7ff;box-shadow:0 0 0 3px #edf1ff}
.full{grid-column:1/-1}
.flash{padding:12px 14px;border-radius:11px;margin-bottom:16px;font-weight:650}
.flash.success{background:#eaf8f2;color:#08794c}.flash.error{background:#fff0f1;color:#a92f3c}
.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:9px 12px;border-radius:9px;background:#fff;border:1px solid var(--line);font-size:13px}
.tabs a.active{background:#17243b;color:#fff;border-color:#17243b}
.actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.empty{padding:30px;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#edf3ff,#f8fafc 55%,#edf9f4)}
.loginbox{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 15px 45px rgba(20,35,60,.08)}
.loginbox h1{margin:18px 0 6px;font-size:28px}
.loginbox .field{margin-top:14px}
@media(max-width:1100px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid2{grid-template-columns:1fr}}
@media(max-width:760px){
 .shell{display:block}.sidebar{display:none}.content{padding:18px}.top{height:64px;padding:0 16px}
 .formgrid{grid-template-columns:1fr}.grid4{grid-template-columns:1fr 1fr}.head h1{font-size:24px}
}
@media(max-width:480px){.grid4{grid-template-columns:1fr}.content{padding:14px}.top>div:last-child{font-size:12px}}
/* v1.0 mobile / polish */
.mobile-menu{display:none;border:0;background:#edf1f7;border-radius:9px;padding:8px 10px;font-weight:800}
@media(max-width:760px){
  .mobile-menu{display:inline-flex}
  .sidebar.mobile-open{display:block;position:fixed;z-index:1000;left:0;top:0;width:285px;height:100vh;box-shadow:20px 0 45px rgba(0,0,0,.2)}
  .content{padding-bottom:90px}
  .top{gap:10px}
}
.card,.tablewrap{transition:box-shadow .15s ease}
.card:hover{box-shadow:0 10px 30px rgba(20,35,60,.07)}
/* v1.1 real branding */
.sidebar{background:var(--nav)}
.primary{background:var(--primary)}
.btn.primary:hover{filter:brightness(.93)}
.brand-logo-wrap{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden}
.brand-logo{max-width:100%;max-height:100%;display:block;object-fit:contain}
.sidebar-brand-footer{margin-top:24px;padding:15px 11px 4px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;line-height:1.6;color:#8194b0}
.sidebar-support{margin-bottom:8px;color:#a9b8cc}
.branding-preview{border-radius:18px;padding:22px;color:#fff;background:var(--nav)}
.color-input{display:flex;gap:10px;align-items:center}.color-input input[type=color]{width:58px;padding:3px}

/* v1.2 consolidated */
.brand-logo-wrap{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden}.brand-logo{max-width:100%;max-height:100%;object-fit:contain}.sidebar-brand-footer{margin-top:20px;padding:14px 11px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;line-height:1.6;color:#8194b0}.sidebar-support{margin-bottom:8px;color:#a9b8cc}.mobile-menu{display:none}.branding-preview{border-radius:18px;padding:22px}.primary{background:var(--primary)}.sidebar{background:var(--nav)}
@media(max-width:760px){.mobile-menu{display:inline-flex;border:0;background:#edf1f7;border-radius:9px;padding:8px 10px;font-weight:800}.sidebar.mobile-open{display:block;position:fixed;z-index:1000;left:0;top:0;width:285px;height:100vh;box-shadow:20px 0 45px rgba(0,0,0,.2)}}