/* GEARS VPN админка — тёмная тема (zinc + emerald) */
:root{
  --bg:#09090b; --panel:#101014; --panel2:#18181b; --border:#26262b;
  --text:#e4e4e7; --muted:#8b8b94; --accent:#10b981; --accent-dim:#064e3b;
  --danger:#ef4444; --warn:#f59e0b; --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,'Segoe UI',Roboto,Arial,sans-serif}
.hidden{display:none!important}
.muted{color:var(--muted)}
.sm-text{font-size:12px}
.spacer{flex:1}

/* ── логин ── */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:32px;width:100%;max-width:360px;text-align:center}
.login-card h1{font-size:22px;margin-top:8px}
.login-card .logo{font-size:40px}
.login-card input{margin:20px 0 12px}
.err{color:var(--danger);font-size:13px;min-height:18px;margin-top:8px}

/* ── layout ── */
#app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-head{display:flex;gap:10px;align-items:center;padding:16px}
.side-head .logo{font-size:26px}
nav{flex:1;padding:8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-btn{background:none;border:0;color:var(--muted);text-align:left;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:6px}
.nav-btn:hover{background:var(--panel2);color:var(--text)}
.nav-btn.active{background:var(--accent-dim);color:var(--accent)}
.badge{background:var(--danger);color:#fff;border-radius:8px;padding:0 6px;font-size:11px}
.side-foot{padding:12px 16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--panel);position:sticky;top:0;z-index:5}
.topbar h2{font-size:17px}
.content{padding:20px;max-width:1200px;width:100%}
.burger{display:none}

/* ── компоненты ── */
.btn{border:1px solid var(--border);background:var(--panel2);color:var(--text);border-radius:8px;padding:9px 16px;cursor:pointer;font-size:14px}
.btn:hover{border-color:#3f3f46}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#052e22;font-weight:600}
.btn.primary:hover{background:#34d399}
.btn.ghost{background:none}
.btn.danger{background:none;border-color:#7f1d1d;color:var(--danger)}
.btn.sm-btn{padding:6px 12px;font-size:13px}
.btn.full{width:100%}
input,select,textarea{background:var(--panel2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 12px;font-size:14px;outline:none;width:100%}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
textarea{min-height:90px;resize:vertical}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;text-transform:uppercase;letter-spacing:.04em}

.grid{display:grid;gap:14px}
.grid.cols4{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.grid.cols3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.card h3{font-size:15px;margin-bottom:8px}
.stat .v{font-size:24px;font-weight:700}
.stat .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.ok-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:6px}
.err-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--danger);margin-right:6px}
.ping-good{color:var(--accent);font-weight:600}
.ping-mid{color:var(--warn);font-weight:600}
.ping-bad{color:var(--danger);font-weight:600}
.warn-banner{border-color:#713f12;background:#271a05}
.warn-banner code{background:var(--panel2);padding:1px 6px;border-radius:5px}

table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:13px;white-space:nowrap}
th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.05em}
tbody tr:hover{background:var(--panel2)}
.tbl-wrap{overflow-x:auto;max-height:70vh;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius)}
.tbl-wrap::-webkit-scrollbar{width:8px;height:8px}
.tbl-wrap::-webkit-scrollbar-thumb{background:#3f3f46;border-radius:4px}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search{max-width:280px}
.pager{display:flex;gap:8px;align-items:center;margin-top:12px;color:var(--muted);font-size:13px}

.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;border:1px solid var(--border)}
.tag.paid,.tag.active{background:var(--accent-dim);color:var(--accent);border-color:var(--accent-dim)}
.tag.pending{background:#422006;color:var(--warn);border-color:#713f12}
.tag.canceled,.tag.closed,.tag.blocked{background:#27272a;color:var(--muted)}
.tag.open{background:#3b2f0b;color:var(--warn)}
.tag.answered{background:var(--accent-dim);color:var(--accent)}

.chat{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow-y:auto;padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel2)}
.bubble{max-width:75%;padding:8px 12px;border-radius:12px;white-space:pre-wrap;word-break:break-word}
.bubble.admin{align-self:flex-end;background:var(--accent-dim)}
.bubble.user{align-self:flex-start;background:#27272a}
.bubble .t{display:block;font-size:10px;color:var(--muted);margin-top:4px}

.toasts{position:fixed;top:16px;right:16px;z-index:100;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--panel2);border:1px solid var(--border);border-left:3px solid var(--accent);padding:10px 16px;border-radius:8px;min-width:220px;animation:slide .2s ease}
.toast.err{border-left-color:var(--danger)}
@keyframes slide{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}

.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto}
.modal h3{margin-bottom:12px}
.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px solid var(--border);font-size:13px}
.kv:last-child{border-bottom:0}

@media(max-width:800px){
  .sidebar{position:fixed;left:-240px;z-index:20;transition:left .2s}
  .sidebar.open{left:0}
  .backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:15}
  .burger{display:block}
  .content{padding:12px}
}

/* ── Task 30: серверы/ноды ── */
.nodes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-top:12px}
.node-card{cursor:pointer;transition:border-color .15s, transform .15s}
.node-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.node-head{font-size:15px;margin-bottom:2px}
.sec-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.sec-tab{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer}
.sec-tab.on{background:var(--accent);border-color:var(--accent);color:#fff}
.card table{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px}
.card table th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;padding:6px 8px;border-bottom:1px solid var(--border)}
.card table td{padding:7px 8px;border-bottom:1px solid var(--border);vertical-align:middle}
.card table tr:last-child td{border-bottom:0}
.card table td .btn{margin-right:4px}
.card .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.card label{display:block;margin:8px 0 4px;font-size:12.5px;color:var(--muted)}
.tag.err{background:#27272a;color:var(--danger);border-color:#7f1d1d}