:root{
  --coral:#3B5BDB; --coral-hi:#5570E6; --coral-700:#3450C4; --peach:#1499B5;
  --bg:#EAEDF5; --bg-2:#F6F8FC; --card:#FFFFFF; --card-2:#F4F6FB; --elev:#EEF1F6;
  --line:#E7EAF0; --line-2:#EFF1F6; --line-strong:#D6DBE6;
  --t1:#1B2236; --t2:#5E6675; --t3:#9AA1B4;
  --success:#1FA971; --warning:#D9912A; --danger:#D8604F; --info:#3B5BDB;
  --success-bg:rgba(31,169,113,.12); --warning-bg:rgba(217,145,42,.15);
  --danger-bg:rgba(216,96,79,.12); --coral-bg:rgba(59,91,219,.10); --info-bg:rgba(59,91,219,.10);
  --sans:'Onest',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
html.dark{
  --coral:#5B7BF0; --coral-hi:#6E8BF5; --coral-700:#7E98F7; --peach:#3FB6D2;
  --bg:#0D1017; --bg-2:#161B24; --card:#171D27; --card-2:#1E2530; --elev:#252D3A;
  --line:#28303C; --line-2:#222A35; --line-strong:#39434F;
  --t1:#E9ECF2; --t2:#A3ABBA; --t3:#6E7686;
  --success:#34C98A; --warning:#E0A53A; --danger:#EC7666; --info:#5B7BF0;
  --success-bg:rgba(52,201,138,.16); --warning-bg:rgba(224,165,58,.18);
  --danger-bg:rgba(236,118,102,.16); --coral-bg:rgba(91,123,240,.18); --info-bg:rgba(91,123,240,.18);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--t1);font-family:var(--sans);-webkit-font-smoothing:antialiased}
input,button,select,textarea{font-family:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
::selection{background:var(--coral);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:10px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeup{from{transform:translateY(6px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes slidein{from{transform:translateX(24px);opacity:0}to{transform:translateX(0);opacity:1}}

/* ---------- Auth screens ---------- */
.auth-wrap{height:100vh;width:100%;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% -10%,var(--bg-2) 0%,var(--bg) 60%,var(--bg) 100%);padding:24px}
.auth-inner{width:100%;max-width:460px}
.auth-brand{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:30px}
.logo-box{width:54px;height:54px;border-radius:15px;background:var(--coral);display:flex;align-items:center;
  justify-content:center;box-shadow:0 10px 24px -8px rgba(59,91,219,.6)}
.logo-box span{font-family:var(--mono);color:#fff;font-weight:600;font-size:22px;letter-spacing:-1px}
.brand-name{font-size:27px;font-weight:700;letter-spacing:-.02em;color:var(--t1)}
.brand-tag{font-size:13.5px;color:var(--t3);margin-top:2px}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:22px;
  box-shadow:0 1px 2px rgba(38,50,90,.05),0 18px 44px -22px rgba(38,50,90,.34);padding:40px 40px 36px}
.auth-title{font-size:27px;font-weight:700;margin-bottom:7px;letter-spacing:-.025em;color:var(--t1)}
.auth-sub{font-size:14.5px;color:var(--t2);margin-bottom:28px}
.field-label{font-size:13px;font-weight:600;color:var(--t2);display:block;margin-bottom:9px}
.field{width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:13px;
  padding:15px 16px;font-size:15px;color:var(--t1);outline:none}
.field:focus{border-color:var(--coral)}
.btn-primary{width:100%;background:var(--coral);color:#fff;border:none;border-radius:13px;padding:15px;
  font-size:15.5px;font-weight:600;box-shadow:0 8px 20px -8px rgba(59,91,219,.6)}
.btn-primary:hover{background:var(--coral-hi)}
.auth-foot{text-align:center;font-size:12px;color:var(--t3);margin-top:22px}
.alert{border-radius:11px;padding:11px 14px;font-size:13px;margin-bottom:18px}
.alert-error{background:var(--danger-bg);color:var(--danger)}
.otp-input{letter-spacing:.5em;text-align:center;font-family:var(--mono);font-size:22px}

/* ---------- App layout ---------- */
.shell{display:flex;height:100vh;overflow:hidden;background:var(--bg);padding:14px;gap:14px}
aside.side{width:236px;flex:none;background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 1px 2px rgba(38,50,90,.05),0 12px 30px -18px rgba(38,50,90,.2);
  display:flex;flex-direction:column;padding:18px 14px}
.side-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 20px}
.side-logo{width:38px;height:38px;flex:none;border-radius:11px;background:var(--coral);display:flex;
  align-items:center;justify-content:center;box-shadow:0 6px 14px -5px rgba(59,91,219,.6)}
.side-logo span{font-family:var(--mono);color:#fff;font-weight:600;font-size:16px;letter-spacing:-1px}
.side-name{font-weight:700;font-size:16px;letter-spacing:-.02em}
.side-tag{font-size:10px;color:var(--t3);font-weight:500;margin-top:1px}
.nav-label{font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);padding:6px 10px 8px}
nav{display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 11px;border-radius:10px;border:none;
  background:transparent;color:var(--t2);font-size:13.5px;font-weight:500;text-align:left;width:100%}
.nav-item:hover{background:var(--bg-2);color:var(--t1)}
.nav-item.active{background:var(--coral-bg);color:var(--coral);font-weight:600}
.nav-item .count{margin-left:auto;font-size:11px;font-weight:600;color:var(--t3);
  background:var(--card-2);border-radius:20px;padding:1px 8px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.server-card{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 13px}
.server-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.server-row .name{font-size:12.5px;color:var(--t1);font-weight:600}
.online-pill{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--success);font-weight:600}
.online-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px var(--success-bg)}
.server-ip{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.server-ip .lab{font-size:10.5px;color:var(--t3);width:34px}
.server-ip .val{font-family:var(--mono);font-size:11.5px;color:var(--t1);flex:1;overflow:hidden;text-overflow:ellipsis}
.user-foot{display:flex;align-items:center;gap:10px;padding:6px 4px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--coral-bg);display:flex;align-items:center;
  justify-content:center;font-size:13px;font-weight:700;color:var(--coral)}
.logout-btn{display:flex;align-items:center;gap:5px;background:transparent;border:none;color:var(--t3);
  font-size:11.5px;font-weight:500;margin-left:auto}
.logout-btn:hover{color:var(--danger)}

main.main{flex:1;display:flex;flex-direction:column;min-width:0;gap:14px}
header.top{height:62px;flex:none;background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 1px 2px rgba(38,50,90,.05),0 12px 30px -20px rgba(38,50,90,.2);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:14px}
.search{display:flex;align-items:center;gap:9px;background:var(--bg-2);border-radius:10px;padding:9px 12px;
  flex:1;max-width:340px}
.search input{border:none;background:transparent;outline:none;font-size:13px;width:100%;color:var(--t1)}
.top-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{display:flex;align-items:center;gap:2px;background:var(--bg-2);border-radius:9px;padding:3px}
.theme-btn{width:30px;height:28px;border:none;border-radius:7px;background:transparent;color:var(--t3);
  display:flex;align-items:center;justify-content:center}
.theme-btn.active{background:var(--card);color:var(--coral);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.sys-ok{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--success);
  background:var(--success-bg);padding:6px 11px;border-radius:8px;white-space:nowrap}
.sys-ok .dot{width:6px;height:6px;border-radius:50%;background:var(--success)}

.content{flex:1;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 1px 2px rgba(38,50,90,.05),0 12px 30px -20px rgba(38,50,90,.2);padding:26px 28px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--t3);margin-bottom:8px}
.crumb .cur{color:var(--t2);font-weight:600}
.page-title{margin:0 0 22px;font-size:27px;font-weight:700;letter-spacing:-.025em;color:var(--t1)}

/* ---------- Metric cards ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.metric{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  position:relative;overflow:hidden}
.metric .bar{position:absolute;top:0;left:0;width:3px;height:100%}
.metric .head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.metric .lab{font-size:12px;color:var(--t2);font-weight:500}
.metric .val{font-weight:600;font-size:30px;line-height:1;letter-spacing:-.02em}
.metric .sub{font-size:11.5px;color:var(--t3);margin-top:6px}

/* ---------- Table ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line)}
.panel-head h3{margin:0;font-size:15px;font-weight:600}
.panel-head .muted{font-size:12px;color:var(--t3);margin-left:10px}
.tbl-head,.tbl-row{display:grid;grid-template-columns:1.7fr .9fr 1.5fr 1.1fr auto;align-items:center;gap:12px}
.tbl-head{padding:9px 18px;border-bottom:1px solid var(--line);font-size:10.5px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--t3)}
.tbl-row{padding:13px 18px;border-bottom:1px solid var(--line-2)}
.tbl-row:hover{background:var(--bg-2)}
.u-email{display:flex;align-items:center;gap:11px;min-width:0}
.u-email .ini{width:32px;height:32px;flex:none;border-radius:8px;background:var(--coral-bg);color:var(--coral);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.u-email .txt{min-width:0}
.u-email .em{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.u-email .ip{font-size:11px;color:var(--t3);font-family:var(--mono)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:20px}
.badge .dot{width:6px;height:6px;border-radius:50%}
.badge.on{color:var(--success);background:var(--success-bg)}
.badge.on .dot{background:var(--success);box-shadow:0 0 0 3px var(--success-bg)}
.badge.off{color:var(--t3);background:var(--card-2)}
.badge.off .dot{background:var(--t3)}
.traffic{display:flex;flex-direction:column;gap:3px;font-family:var(--mono);font-size:12px}
.traffic .dl{color:var(--success)}
.traffic .ul{color:var(--info)}
.seen{font-size:12.5px;color:var(--t2)}
.seen .rel{font-size:11px;color:var(--t3)}
.row-actions{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.icon-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);background:var(--card-2);
  color:var(--t2);display:flex;align-items:center;justify-content:center}
.icon-btn:hover{color:var(--coral);border-color:var(--coral)}
.icon-btn.red:hover{color:var(--danger);border-color:var(--danger)}
.icon-btn.green:hover{color:var(--success);border-color:var(--success)}

.btn-add{display:flex;align-items:center;gap:6px;background:var(--coral);border:none;color:#fff;
  border-radius:9px;padding:9px 14px;font-size:13px;font-weight:600;box-shadow:0 6px 16px -6px rgba(59,91,219,.6)}
.btn-add:hover{background:var(--coral-hi)}
.btn-ghost{display:flex;align-items:center;gap:6px;background:var(--card-2);border:1px solid var(--line-strong);
  color:var(--t1);border-radius:8px;padding:9px 14px;font-size:13px;font-weight:500}
.btn-ghost:hover{background:var(--elev)}

.empty{padding:54px 32px;text-align:center;display:flex;flex-direction:column;align-items:center}
.empty .ic{width:62px;height:62px;border-radius:16px;background:var(--coral-bg);display:flex;align-items:center;
  justify-content:center;margin-bottom:18px;color:var(--coral)}
.empty .t{font-weight:600;font-size:20px;margin-bottom:8px}
.empty p{color:var(--t2);font-size:13.5px;max-width:380px;margin:0 0 22px}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,20,30,.5);display:flex;align-items:center;
  justify-content:center;z-index:100;padding:24px}
.modal{width:100%;max-width:440px;background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.4);padding:26px;animation:fadeup .16s ease}
.modal h3{margin:0 0 6px;font-size:19px;font-weight:700}
.modal p{margin:0 0 20px;font-size:13.5px;color:var(--t2)}
.modal-actions{display:flex;gap:10px;margin-top:22px}
.modal-actions .btn-primary,.modal-actions .btn-ghost{flex:1;justify-content:center}
.qr-box{display:flex;justify-content:center;padding:12px;background:#fff;border-radius:12px;margin-bottom:6px}
.qr-box img{width:220px;height:220px}

/* ---------- Country chips (split tunnel) ---------- */
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:20px;
  border:1px solid var(--line-strong);background:var(--card-2);color:var(--t2);
  font-size:12.5px;font-weight:500;cursor:pointer;user-select:none}
.chip:hover{border-color:var(--coral);color:var(--t1)}
.chip .fl{font-size:14px;line-height:1}
.chip.sel{background:var(--coral-bg);border-color:var(--coral);color:var(--coral);font-weight:600}
.chip.disabled{opacity:.45;cursor:not-allowed}
.chip.disabled:hover{border-color:var(--line-strong);color:var(--t2)}
.chip .ck{width:14px;height:14px;display:none}
.chip.sel .ck{display:block}

/* ---------- Toast ---------- */
#toasts{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--coral);
  border-radius:10px;padding:12px 16px;font-size:13px;font-weight:500;color:var(--t1);
  box-shadow:0 12px 30px -12px rgba(0,0,0,.3);animation:slidein .2s ease;min-width:220px}
.toast.ok{border-left-color:var(--success)}
.toast.err{border-left-color:var(--danger)}

@media(max-width:860px){
  .shell{flex-direction:column;height:auto;min-height:100vh;overflow:visible}
  aside.side{width:100%;flex:none}
  aside.side nav{flex-direction:row;flex-wrap:wrap}
  .metrics{grid-template-columns:1fr 1fr}
  .tbl-head{display:none}
  .tbl-row{grid-template-columns:1fr;gap:8px}
}