:root{
  --bg:#0f1620; --card:#172230; --line:#26344a; --text:#e8eef5; --muted:#8aa0b6;
  --accent:#1fd18e; --accent-d:#15a872; --danger:#ef4444; --r:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI",Roboto,Inter,system-ui,sans-serif;font-size:15px;line-height:1.45;-webkit-tap-highlight-color:transparent}
#hdr{display:flex;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.6px;font-size:17px}
.logo-mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--accent),#2f6bff);box-shadow:0 0 14px rgba(31,209,142,.45);flex:none}
.logo-img{width:26px;height:26px;border-radius:7px;object-fit:cover;flex:none}
.hero-logo{display:block;width:128px;height:128px;border-radius:20px;object-fit:cover;margin:8px auto 18px;box-shadow:0 0 30px rgba(31,209,142,.18)}
.logo-text b{color:var(--accent);font-weight:800}
#app{padding:16px;max-width:600px;margin:0 auto}
.center{text-align:center}.muted{color:var(--muted)}
h2{font-size:19px;margin:2px 0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.balance{font-size:36px;font-weight:800;letter-spacing:-.5px}
.btn{display:block;width:100%;border:none;border-radius:12px;padding:15px;font-size:15px;font-weight:700;cursor:pointer;font-family:inherit;margin-top:10px}
.btn-primary{background:var(--accent);color:#04130c}
.btn-primary:active{background:var(--accent-d)}
.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--line)}
.btn:disabled{opacity:.5}
label{display:block;font-size:11px;color:var(--muted);margin:11px 0 4px;text-transform:uppercase;letter-spacing:.05em}
input,select{width:100%;background:#0d1622;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--text);font-size:16px;font-family:inherit;outline:none}
input:focus,select:focus{border-color:var(--accent)}
.row{display:flex;gap:8px}.row>*{flex:1;min-width:0}
.rate{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px;border:1px solid var(--line);border-radius:12px;margin-bottom:9px;cursor:pointer;background:var(--card)}
.rate:active{border-color:var(--accent)}
.rate .price{font-weight:800;color:var(--accent);white-space:nowrap}
.rate .carrier{font-weight:700}.rate .name{font-size:12.5px}
.pill{display:inline-block;font-size:10.5px;padding:2px 8px;border-radius:99px;background:#0d1622;border:1px solid var(--line);color:var(--muted);margin-left:6px}
.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:11px 13px;border-radius:10px;margin:10px 0;font-size:14px}
.ok{background:rgba(31,209,142,.12);border:1px solid rgba(31,209,142,.3);color:var(--accent);padding:11px 13px;border-radius:10px;margin:10px 0}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all;font-size:13px}
.lbl{padding:13px;border:1px solid var(--line);border-radius:12px;margin-bottom:9px;background:var(--card)}
.spin{display:inline-block;width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
.seg{display:flex;gap:6px;margin-top:6px}
.seg button{flex:1;padding:11px;border-radius:10px;border:1px solid var(--line);background:#0d1622;color:var(--text);font-weight:700;cursor:pointer;font-family:inherit}
.seg button.on{background:var(--accent);color:#04130c;border-color:var(--accent)}
.sugg{padding:11px 12px;border:1px solid var(--line);border-top:none;background:#0d1622;cursor:pointer;font-size:14px}
.sugg:first-child{border-top:1px solid var(--line);border-radius:8px 8px 0 0}
.sugg:last-child{border-radius:0 0 8px 8px}
.sugg:active{background:var(--card)}
.sel{font-size:13px;margin-top:6px;color:var(--accent);min-height:16px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border:none}
.big{font-size:22px;font-weight:800;color:var(--accent)}
small{color:var(--muted)}
#lang{margin-left:auto;position:relative}
#langbtn{display:flex;align-items:center;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:5px 8px;cursor:pointer;font-family:inherit}
#langbtn img{width:24px;height:16px;object-fit:cover;border-radius:3px;display:block}
#langbtn .chev{color:var(--muted);font-size:11px;line-height:1}
#langdd{display:none;position:absolute;top:calc(100% + 6px);right:0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:5px;min-width:158px;box-shadow:0 10px 30px rgba(0,0,0,.5);z-index:20}
.langopt{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;cursor:pointer;font-weight:600}
.langopt:active{background:#0d1622}
.langopt img{width:24px;height:16px;object-fit:cover;border-radius:3px}