:root{
  --bg:#0d1117; --bg2:#161b22; --bg3:#1c2430;
  --line:#273041; --text:#e6edf3; --muted:#8b98a9;
  --acc:#2f81f7; --ok:#3fb950; --warn:#d29922; --err:#f85149;
  --r:14px;
}
*{box-sizing:border-box}
/* The browser's own [hidden] rule is display:none, but ANY author rule that sets
   display (.modal-bg is display:flex) outranks it. Without this the modal ignores
   `hidden` completely and can never be closed. */
[hidden]{display:none !important}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text); min-height:100vh;
  font-family:Vazirmatn,"Segoe UI",Tahoma,"Iranian Sans",system-ui,sans-serif;
  font-size:15px; line-height:1.7; -webkit-text-size-adjust:100%;
}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- layout ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;background:var(--bg2);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.brand{font-weight:700;font-size:17px}
.topbar nav{display:flex;gap:8px;align-items:center}
.topbar nav a{
  padding:7px 14px;border-radius:9px;background:var(--bg3);
  border:1px solid var(--line);font-size:14px;color:var(--text);
}
.topbar nav a:hover{text-decoration:none;border-color:var(--acc)}
.wrap{max-width:900px;margin:0 auto;padding:18px 14px 60px;display:flex;flex-direction:column;gap:16px}

.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-head h2{margin:0;font-size:16px;font-weight:700}

/* ---------- buttons ---------- */
button,.btn{
  font:inherit;cursor:pointer;border:1px solid transparent;border-radius:10px;
  padding:9px 16px;background:var(--acc);color:#fff;font-weight:600;font-size:14px;
  transition:filter .15s,border-color .15s;
}
button:hover,.btn:hover{filter:brightness(1.12);text-decoration:none}
button:active{transform:translateY(1px)}
button.ghost,.btn.ghost{background:var(--bg3);color:var(--text);border-color:var(--line)}
button.ghost:hover{border-color:var(--acc)}
button.danger{background:var(--err)}
button.ghost.danger{background:var(--bg3);color:var(--err);border-color:#4a2222}
button:disabled{opacity:.5;cursor:not-allowed}
.row-end{display:flex;justify-content:flex-end;gap:8px;margin-top:12px;flex-wrap:wrap}

/* ---------- forms ---------- */
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
input,select{
  width:100%;font:inherit;padding:10px 12px;border-radius:10px;
  background:var(--bg);border:1px solid var(--line);color:var(--text);
}
input:focus,select:focus{outline:none;border-color:var(--acc)}
input[readonly]{color:var(--muted)}
.copy-row{display:flex;gap:8px;align-items:stretch}
.copy-row input{flex:1;min-width:0;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;direction:ltr;text-align:left}
.copy-row button{white-space:nowrap;padding:9px 14px}

/* ---------- alerts ---------- */
.alert{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:14px;border:1px solid}
.alert.err{background:#2d1618;border-color:#5c2b2b;color:#ffb4ac}
.alert.ok{background:#122117;border-color:#2b5c37;color:#8ce0a0}
.alert.warn{background:#241d10;border-color:#5c4a1f;color:#e8c67a}

/* ---------- status chain ---------- */
.status-card .badge{font-size:13px;padding:5px 12px;border-radius:999px;font-weight:600}
.badge.off{background:#2a2f38;color:var(--muted)}
.badge.on{background:#12341f;color:var(--ok);border:1px solid #2b5c37}
.badge.warnb{background:#2e2612;color:var(--warn)}

.chain{display:flex;align-items:flex-start;justify-content:space-between;gap:4px;margin:6px 0 18px}
.hop{flex:0 0 auto;text-align:center;width:76px}
.hop-dot{
  width:15px;height:15px;border-radius:50%;margin:0 auto 7px;
  background:#39404d;border:2px solid #4a525f;transition:.3s;
}
.hop.live .hop-dot{background:var(--ok);border-color:#57d977;box-shadow:0 0 0 5px rgba(63,185,80,.16)}
.hop.bad .hop-dot{background:var(--err);border-color:#ff7b72;box-shadow:0 0 0 5px rgba(248,81,73,.16)}
.hop-name{font-size:12.5px;font-weight:600}
.hop-sub{font-size:11px;color:var(--muted);margin-top:2px;min-height:15px;direction:ltr}
.link{flex:1;height:2px;background:#39404d;margin-top:7px;border-radius:2px;transition:.3s;min-width:10px}
.link.live{background:linear-gradient(90deg,var(--ok),#2f81f7)}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:10px}
.stat{background:var(--bg3);border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.stat-label{display:block;font-size:11.5px;color:var(--muted)}
.stat-value{display:block;font-size:15px;font-weight:700;margin-top:3px;direction:ltr;text-align:right}

/* ---------- destinations ---------- */
.dest-list{display:flex;flex-direction:column;gap:10px}
.dest{
  display:flex;align-items:center;gap:12px;padding:12px 14px;
  background:var(--bg3);border:1px solid var(--line);border-radius:12px;
  border-right:4px solid var(--pc,#555);
}
.dest-main{flex:1;min-width:0}
.dest-name{font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dest-meta{font-size:12px;color:var(--muted);direction:ltr;text-align:right;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dest-actions{display:flex;gap:6px;flex-shrink:0}
.dest-actions button{padding:6px 11px;font-size:12.5px}
.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:#2a3140;color:var(--muted);font-weight:600}
.tag.iran{background:#1d2a1f;color:#8ce0a0}
.tag.oauth{background:#1b2740;color:#8fc0ff}
.dest.off{opacity:.5}
.empty{padding:22px;text-align:center;color:var(--muted);font-size:14px}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.66);display:flex;
  align-items:flex-start;justify-content:center;padding:20px;z-index:50;overflow-y:auto}
.modal{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);
  padding:18px;width:100%;max-width:520px;margin:auto}
.platform-picker{display:flex;flex-wrap:wrap;gap:8px}
.plat{
  background:var(--bg3);border:1px solid var(--line);color:var(--text);
  padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
}
.plat.sel{border-color:var(--c);color:var(--c);background:color-mix(in srgb,var(--c) 12%,var(--bg3))}

/* ---------- oauth + events ---------- */
.oauth-block{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px;background:var(--bg3)}
.oauth-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.oauth-form .field{margin-bottom:10px}
.events{display:flex;flex-direction:column;gap:6px;max-height:340px;overflow-y:auto}
.event{font-size:13px;padding:7px 10px;background:var(--bg3);border-radius:9px;
  border-right:3px solid var(--line);display:flex;gap:9px;align-items:baseline}
.ev-kind{font-size:11px;color:var(--muted);flex-shrink:0;min-width:44px}
.event.ev-error{border-right-color:var(--err)}
.event.ev-auth{border-right-color:var(--warn)}
.event.ev-dest,.event.ev-oauth{border-right-color:var(--acc)}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--bg2);border:1px solid var(--line);border-radius:18px;
  padding:32px 26px;width:100%;max-width:360px;text-align:center}
.login-logo{font-size:42px;margin-bottom:6px}
.login-card h1{margin:0 0 4px;font-size:20px}
.login-card p{margin:0 0 18px}
.login-card input{margin-bottom:12px;text-align:center}
.login-card button{width:100%}

@media (max-width:560px){
  .wrap{padding:12px 10px 50px}
  .card{padding:14px}
  .hop{width:62px}
  .hop-name{font-size:11.5px}
  .dest{flex-wrap:wrap}
  .dest-actions{width:100%;justify-content:flex-end}
  .topbar{padding:12px}
}