:root{--bg:#f5f7fb;--panel:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#2563eb;--brand2:#1e40af;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--shadow:0 18px 50px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--brand);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:268px;background:#0f172a;color:#fff;position:fixed;inset:0 auto 0 0;padding:22px 16px;box-shadow:12px 0 35px rgba(15,23,42,.12);overflow:auto}.brand{display:flex;align-items:center;gap:12px;padding:8px 10px 22px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:18px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#60a5fa,#2563eb);display:grid;place-items:center;font-weight:900}.brand-title{font-size:17px;font-weight:800;line-height:1.1}.brand-sub{font-size:12px;color:#93c5fd;margin-top:3px}.nav{display:flex;flex-direction:column;gap:6px}.nav a{color:#cbd5e1;padding:11px 12px;border-radius:12px;font-weight:650;display:flex;align-items:center;gap:10px}.nav a:hover,.nav a.active{background:rgba(255,255,255,.1);color:#fff}.content{margin-left:268px;width:calc(100% - 268px);min-height:100vh}.topbar{height:70px;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.top-title{font-weight:800}.user-pill{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:14px}.avatar{width:36px;height:36px;border-radius:50%;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-weight:900}.page{max-width:1220px;margin:0 auto;padding:30px}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.page-title{margin:0;font-size:30px;letter-spacing:-.03em}.page-sub{margin:8px 0 0;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow);margin-bottom:22px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dbeafe,transparent 35%),linear-gradient(135deg,#f8fafc,#eef2ff)}.login-card{width:min(440px,92vw);background:#fff;border:1px solid var(--line);border-radius:26px;padding:34px;box-shadow:0 30px 80px rgba(30,64,175,.15)}.login-logo{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#1d4ed8,#60a5fa);color:white;display:grid;place-items:center;font-weight:900;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}.stat-label{color:var(--muted);font-size:13px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}.stat-value{font-size:38px;font-weight:900;margin-top:10px;color:#1d4ed8}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.field label{display:block;font-size:13px;color:#475569;font-weight:750;margin-bottom:7px}input,select,textarea{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:13px;background:#fff;color:var(--text);font-size:14px;outline:none}input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px #dbeafe}.checkbox-row{display:flex;gap:9px;align-items:center}.checkbox-row input{width:auto}.checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;margin:12px 0}.checks label{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px}.checks input{width:auto;margin-right:8px}.btn,button{border:0;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;font-weight:800;border-radius:13px;padding:12px 18px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;width:auto;box-shadow:0 10px 22px rgba(37,99,235,.22)}.btn:hover,button:hover{filter:brightness(.98);transform:translateY(-1px)}.btn-secondary{background:#e2e8f0;color:#0f172a;box-shadow:none}.btn-danger{background:linear-gradient(135deg,#ef4444,#b91c1c)}table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}th{background:#f8fafc;color:#334155;font-size:12px;text-transform:uppercase;letter-spacing:.06em;text-align:left}td,th{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}tr:last-child td{border-bottom:0}.badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#e0f2fe;color:#0369a1}.badge.green{background:#dcfce7;color:#166534}.badge.red{background:#fee2e2;color:#991b1b}.alert,.err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;padding:12px 14px;border-radius:14px;margin:14px 0}.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0;padding:12px 14px;border-radius:14px;margin:14px 0}.muted,.small{color:var(--muted);font-size:13px}pre{white-space:pre-wrap;background:#0f172a;color:#dbeafe;border-radius:16px;padding:18px;overflow:auto}.remote-box{background:#0f172a;color:#e0f2fe;border-radius:18px;padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.remote-box p{margin:8px 0}.actions{display:flex;gap:10px;flex-wrap:wrap}.section-title{margin:0 0 16px;font-size:18px}.full{grid-column:1/-1}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.layout{display:block}.content{margin:0;width:100%}.topbar{position:static}.page{padding:20px}.page-head{display:block}}

/* ==========================================================
   Safe responsive patch - original design preserved
   ========================================================== */
img,svg,video,canvas{max-width:100%;height:auto}code,pre{max-width:100%;overflow-x:auto}.page,.content{min-width:0}.card,.stat,.login-card{max-width:100%}
.container,.container-fluid{width:100%;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px}.py-4{padding-top:1.5rem;padding-bottom:1.5rem}.py-5{padding-top:3rem;padding-bottom:3rem}.px-3{padding-left:1rem;padding-right:1rem}.px-4{padding-left:1.5rem;padding-right:1.5rem}.px-md-5{padding-left:3rem;padding-right:3rem}.m-0{margin:0!important}.mt-1{margin-top:.25rem!important}.mb-0{margin-bottom:0!important}.mb-2{margin-bottom:.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}.my-1{margin-top:.25rem;margin-bottom:.25rem}.my-4{margin-top:1.5rem;margin-bottom:1.5rem}.gap-2{gap:.5rem}.gap-3{gap:1rem}.d-flex{display:flex}.d-inline-flex{display:inline-flex}.justify-content-between{justify-content:space-between}.align-items-center{align-items:center}.align-items-start{align-items:flex-start}.text-end{text-align:right}.text-muted{color:#64748b}.text-dark{color:#0f172a}.text-primary{color:#2563eb}.text-secondary{color:#475569}.text-success{color:#16a34a}.text-warning{color:#d97706}.text-danger{color:#dc2626}.small{font-size:13px}.fw-medium{font-weight:500}.fw-semibold{font-weight:600}.fw-bold{font-weight:700}.border{border:1px solid var(--line)!important}.bg-white{background:#fff}.btn-light{background:#fff!important;color:#475569!important;box-shadow:none!important}.btn-sm{padding:8px 12px;font-size:13px}.row{display:flex;flex-wrap:wrap;margin-left:-8px;margin-right:-8px}.row>*{padding-left:8px;padding-right:8px;min-width:0}.col-md-4{flex:0 0 33.333%;max-width:33.333%}.col-md-6{flex:0 0 50%;max-width:50%}.table-responsive,.table-responsive-md,.table-responsive-custom{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px}table{min-width:760px}.custom-table{min-width:850px}.dropdown{position:relative}.dropdown-menu{display:none;position:absolute;right:0;top:100%;z-index:50;min-width:190px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;list-style:none;margin:6px 0 0}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{display:block}.dropdown-item{display:block;padding:9px 12px;border-radius:8px;color:#334155;text-decoration:none}.dropdown-item:hover{background:#f8fafc}.dropdown-divider{height:1px;border:0;border-top:1px solid #e2e8f0}.btn-outline-primary{background:#fff!important;color:#2563eb!important;border:1px solid #bfdbfe!important;box-shadow:none!important}

@media(max-width:1100px){.sidebar{width:235px}.content{margin-left:235px;width:calc(100% - 235px)}.page{padding:24px;max-width:100%}.topbar{padding:0 20px}.px-md-5{padding-left:1rem!important;padding-right:1rem!important}}

@media(max-width:900px){body{overflow-x:hidden}.layout{display:block}.sidebar{position:relative!important;width:100%!important;height:auto!important;inset:auto!important;padding:14px 12px!important;border-radius:0;box-shadow:none}.brand{margin-bottom:10px;padding-bottom:12px}.nav{flex-direction:row!important;gap:8px!important;overflow-x:auto;white-space:nowrap;padding-bottom:4px}.nav a{flex:0 0 auto;padding:9px 11px;font-size:13px}.content{margin-left:0!important;width:100%!important}.topbar{position:sticky;top:0;height:auto;min-height:58px;padding:10px 14px}.top-title{font-size:15px}.user-pill{font-size:12px}.avatar{width:32px;height:32px}.page{padding:16px}.page-head{flex-direction:column!important;align-items:stretch!important;gap:12px!important}.page-head .btn,.page-head a.btn,.page-head a[class*="btn"]{width:100%;justify-content:center}.grid{grid-template-columns:1fr!important;gap:14px!important}.form-grid{grid-template-columns:1fr!important}.row{flex-direction:column!important;margin-left:0!important;margin-right:0!important;gap:12px!important}.row>*{width:100%!important;max-width:100%!important;flex:1 1 auto!important;padding-left:0!important;padding-right:0!important}.d-flex{flex-wrap:wrap}.container,.container-fluid{padding-left:0!important;padding-right:0!important}.py-4,.py-5{padding-top:0!important;padding-bottom:0!important}.card{padding:18px;border-radius:16px}.page-title{font-size:24px!important}.stat-value{font-size:30px!important}.actions,.action-btn-container{width:100%;justify-content:flex-start!important}.action-btn-container a,.action-btn-container .btn-inline{flex:1 1 auto;justify-content:center;text-align:center}.login-card{padding:28px 22px!important}.login-wrap{padding:14px!important}.remote-box,.copy-box{overflow-x:auto}.table-responsive,.table-responsive-md,.table-responsive-custom{border-radius:14px}table,.custom-table{min-width:720px}td,th{padding:11px 12px}.dropdown-menu{position:static;width:100%;margin-top:8px}.dropdown:hover .dropdown-menu{display:none}.dropdown:focus-within .dropdown-menu{display:block}}

@media(max-width:520px){.page{padding:12px}.topbar{align-items:flex-start}.user-pill span{display:none}.brand-title{font-size:15px}.brand-sub{font-size:11px}.nav a{font-size:12px}.card,.stat{padding:14px;border-radius:14px}.btn,button{width:100%;padding:11px 14px}.btn-inline, .btn-create-vpn{width:100%;justify-content:center}.actions{flex-direction:column}.page-title{font-size:22px!important}input,select,textarea{font-size:16px}.login-card{padding:24px 18px!important}.table-responsive,.table-responsive-md,.table-responsive-custom{margin-left:-2px;margin-right:-2px;width:calc(100% + 4px)}table,.custom-table{min-width:680px}}


/* Ultimate responsive enhancement */
.menu-title{color:#94a3b8;font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;padding:12px 8px 6px}
.responsive-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.responsive-scroll table{margin-bottom:0}
@media (max-width:768px){
  .topbar{gap:10px}
  .user-pill{width:100%;justify-content:flex-end}
  table{font-size:13px}
  th,td{white-space:nowrap}
  .nav::-webkit-scrollbar{height:4px}
  .nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.25);border-radius:99px}
}