/* Design system from vpn_admin_mockup.html, extended for the live panel
   (login, forms, modals, toasts, switches). RTL, dark theme. */
:root{
  --bg:#0B1420;
  --surface:#121C2B;
  --surface-raised:#1A2739;
  --border:#22314A;
  --text:#E7EDF5;
  --text-muted:#7E8FA8;
  --accent-active:#2DD4BF;
  --accent-warning:#F5A623;
  --accent-critical:#FB5B5B;
  --accent-disabled:#5B6B84;
  --accent-brand:#6C7BFF;
  --font-ui:'Vazirmatn', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-ui);
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(108,123,255,0.10), transparent 60%),
    var(--bg);
  color:var(--text);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;}
button:focus-visible,input:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-brand); outline-offset:2px;
}
a{color:inherit;}

.app{display:flex; min-height:100vh;}

/* Sidebar */
.sidebar{
  width:230px; flex-shrink:0; background:var(--surface);
  border-left:1px solid var(--border);
  display:flex; flex-direction:column; padding:22px 16px;
  position:sticky; top:0; height:100vh;
}
.brand{display:flex; align-items:center; gap:10px; padding:0 6px 24px 6px;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg, var(--accent-brand), #3E4FD8);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:17px;height:17px;}
.brand-name{font-weight:700;font-size:15px;letter-spacing:.2px;}
nav{display:flex;flex-direction:column;gap:3px;flex:1;}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;
  color:var(--text-muted);text-decoration:none;font-size:13.5px;font-weight:500;
  transition:background .15s,color .15s;cursor:pointer;border:none;background:none;text-align:right;width:100%;
}
.nav-item svg{width:17px;height:17px;flex-shrink:0;opacity:.85;}
.nav-item:hover{background:var(--surface-raised);color:var(--text);}
.nav-item.active{background:rgba(108,123,255,0.14);color:#B9C1FF;}
.nav-item.active svg{opacity:1;}
.sidebar-footer{font-size:11px;color:var(--text-muted);padding:10px 12px 0 12px;border-top:1px solid var(--border);margin-top:10px;}

/* Main */
.main{flex:1;padding:26px 32px 40px 32px;min-width:0;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.page-title{font-size:19px;font-weight:700;margin:0;}
.search{position:relative;flex:1;max-width:340px;}
.search input{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 14px;font-size:13.5px;}
.search input::placeholder{color:var(--text-muted);}
.topbar-right{display:flex;align-items:center;gap:14px;}

.btn-primary{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent-brand);color:#fff;border:none;
  border-radius:10px;padding:10px 16px;font-size:13.5px;font-weight:600;cursor:pointer;transition:filter .15s;
}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary svg{width:15px;height:15px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:10px;padding:9px 14px;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s;
}
.btn-ghost:hover{background:var(--surface-raised);}
.btn-danger{background:rgba(251,91,91,0.14);color:var(--accent-critical);border:1px solid rgba(251,91,91,0.25);}
.btn-danger:hover{background:rgba(251,91,91,0.22);}

.admin-chip{display:flex;align-items:center;gap:9px;padding:6px 10px 6px 6px;background:var(--surface);border:1px solid var(--border);border-radius:999px;}
.admin-avatar{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#F5A623,#FB5B5B);flex-shrink:0;}
.admin-chip span{font-size:12.5px;font-weight:500;color:var(--text-muted);}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:8px;}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;}
.stat-value{font-family:var(--font-mono);font-size:22px;font-weight:500;}

/* Table card */
.table-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:20px;}
.table-card-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);}
.table-card-head h2{font-size:14.5px;margin:0;font-weight:600;}
.table-card-head span{font-size:12px;color:var(--text-muted);}
.table-scroll{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:760px;}
thead th{text-align:right;font-size:11.5px;font-weight:600;color:var(--text-muted);padding:12px 20px;background:var(--surface-raised);white-space:nowrap;}
tbody td{padding:14px 20px;font-size:13px;border-top:1px solid var(--border);vertical-align:middle;}
tbody tr:hover{background:rgba(255,255,255,0.02);}
.user-cell{display:flex;flex-direction:column;gap:2px;}
.user-name{font-weight:600;}
.user-sub{font-size:11.5px;color:var(--text-muted);font-family:var(--font-mono);}

.status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;padding:5px 10px 5px 12px;border-radius:999px;white-space:nowrap;}
.status-active{background:rgba(45,212,191,0.12);color:var(--accent-active);}
.status-warning{background:rgba(245,166,35,0.12);color:var(--accent-warning);}
.status-critical{background:rgba(251,91,91,0.12);color:var(--accent-critical);}
.status-disabled{background:rgba(91,107,132,0.14);color:var(--accent-disabled);}
.pulse-dot{position:relative;width:7px;height:7px;border-radius:50%;background:var(--accent-active);flex-shrink:0;}
.pulse-dot::after{content:'';position:absolute;inset:-5px;border-radius:50%;border:1.5px solid var(--accent-active);animation:pulse-ring 1.8s ease-out infinite;}
@media (prefers-reduced-motion: reduce){.pulse-dot::after{animation:none;display:none;}}
@keyframes pulse-ring{0%{transform:scale(0.7);opacity:.9;}100%{transform:scale(2.1);opacity:0;}}

.usage{display:flex;flex-direction:column;gap:6px;min-width:130px;}
.usage-bar{width:100%;height:5px;border-radius:3px;background:var(--surface-raised);overflow:hidden;}
.usage-fill{height:100%;border-radius:3px;}
.usage-text{font-family:var(--font-mono);font-size:11.5px;color:var(--text-muted);}
.expiry{display:flex;flex-direction:column;gap:2px;}
.expiry-date{font-family:var(--font-mono);font-size:12.5px;}
.expiry-days{font-size:11px;color:var(--text-muted);}
.last-seen{font-size:12.5px;color:var(--text-muted);}
.mono{font-family:var(--font-mono);}
.config-uri{font-family:var(--font-mono);font-size:11.5px;color:var(--text-muted);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle;}

.row-actions{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:4px 8px;border-radius:6px;}
.row-actions:hover{background:var(--surface-raised);color:var(--text);}
.table-footer{padding:12px 20px;font-size:11px;color:var(--text-muted);border-top:1px solid var(--border);}
.empty{padding:40px 20px;text-align:center;color:var(--text-muted);font-size:13px;}

/* Kebab menu */
.menu{position:relative;display:inline-block;}
.menu-list{position:absolute;left:0;top:calc(100% + 4px);background:var(--surface-raised);border:1px solid var(--border);border-radius:10px;min-width:150px;padding:5px;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.4);}
.menu-list button{display:flex;width:100%;gap:8px;align-items:center;background:none;border:none;color:var(--text);font-size:12.5px;padding:9px 10px;border-radius:7px;cursor:pointer;text-align:right;}
.menu-list button:hover{background:var(--surface);}
.menu-list button.danger{color:var(--accent-critical);}
.hidden{display:none !important;}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:30px 26px;}
.login-brand{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:24px;}
.login-brand .brand-mark{width:44px;height:44px;border-radius:12px;}
.login-brand .brand-mark svg{width:23px;height:23px;}
.login-brand h1{font-size:16px;margin:0;font-weight:700;}
.login-brand p{margin:0;font-size:12px;color:var(--text-muted);}

/* Forms */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:12.5px;color:var(--text-muted);font-weight:500;}
.field input,.field select,.field textarea{
  background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px;font-size:13.5px;width:100%;
}
.field textarea{resize:vertical;min-height:80px;font-family:var(--font-mono);font-size:12.5px;}
.field .hint{font-size:11px;color:var(--text-muted);}
.field .err{font-size:11.5px;color:var(--accent-critical);min-height:0;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.btn-primary.block{width:100%;justify-content:center;padding:12px;}
.form-error{background:rgba(251,91,91,0.1);color:var(--accent-critical);border:1px solid rgba(251,91,91,0.25);border-radius:9px;padding:9px 12px;font-size:12.5px;margin-bottom:14px;}

/* Switch */
.switch{position:relative;display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:12.5px;color:var(--text-muted);}
.switch input{position:absolute;opacity:0;width:0;height:0;}
.switch .track{width:38px;height:22px;border-radius:999px;background:var(--surface-raised);border:1px solid var(--border);position:relative;transition:background .15s;flex-shrink:0;}
.switch .track::after{content:'';position:absolute;top:2px;right:2px;width:16px;height:16px;border-radius:50%;background:var(--text-muted);transition:transform .15s,background .15s;}
.switch input:checked + .track{background:rgba(45,212,191,0.25);border-color:var(--accent-active);}
.switch input:checked + .track::after{background:var(--accent-active);transform:translateX(-16px);}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(6,11,18,0.66);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50;}
.modal{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;max-height:92vh;display:flex;flex-direction:column;}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.modal-head h3{margin:0;font-size:15px;font-weight:600;}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;line-height:1;}
.modal-body{padding:20px;overflow-y:auto;}
.modal-foot{display:flex;gap:10px;justify-content:flex-start;padding:16px 20px;border-top:1px solid var(--border);}

/* Toast */
.toasts{position:fixed;bottom:20px;left:20px;display:flex;flex-direction:column;gap:10px;z-index:100;}
.toast{background:var(--surface-raised);border:1px solid var(--border);border-radius:10px;padding:12px 16px;font-size:13px;min-width:220px;box-shadow:0 8px 24px rgba(0,0,0,.4);animation:toast-in .2s ease;}
.toast.ok{border-color:rgba(45,212,191,0.4);}
.toast.err{border-color:rgba(251,91,91,0.4);}
@keyframes toast-in{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

.info-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:16px;}
.info-card h2{font-size:14px;margin:0 0 12px;font-weight:600;}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--border);font-size:13px;}
.kv:first-of-type{border-top:none;}
.kv .k{color:var(--text-muted);}
.kv .v{font-family:var(--font-mono);word-break:break-all;text-align:left;}
.copy-btn{background:var(--surface-raised);border:1px solid var(--border);color:var(--text-muted);border-radius:7px;padding:4px 9px;font-size:11px;cursor:pointer;}
.copy-btn:hover{color:var(--text);}

@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (max-width:720px){
  .sidebar{width:64px;padding:18px 8px;}
  .brand-name,.nav-item span,.sidebar-footer{display:none;}
  .nav-item{justify-content:center;}
  .main{padding:20px 16px 32px 16px;}
  .form-row{grid-template-columns:1fr;}
}