:root{--bg:#f1f5f9;--bg2:#ffffff;--bg3:#e2e8f0;--text:#0f172a;--text2:#475569;--text3:#94a3b8;--line:rgba(15,23,42,.10);--accent:#2563eb;--accent2:#3b82f6;--shadow:0 4px 20px rgba(15,23,42,.08);}
*{box-sizing:border-box;}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:inherit;text-decoration:none;}
.nav{background:var(--bg2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;}
.nav-in{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:13px 20px;}
.brand{font-weight:800;color:var(--accent);font-size:18px;margin-right:auto;}
.nav-menu{display:flex;align-items:center;gap:10px;}
.nav a.link{color:var(--text2);font-weight:600;font-size:14px;padding:6px 10px;border-radius:8px;}
.nav a.link.active,.nav a.link:hover{color:var(--accent);background:var(--bg3);}
.bal{background:var(--bg3);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-weight:700;color:var(--accent);font-size:14px;}
.nav-toggle{display:none;background:var(--bg3);border:1px solid var(--line);border-radius:9px;width:42px;height:40px;font-size:20px;color:var(--text);cursor:pointer;align-items:center;justify-content:center;}
@media(max-width:780px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:2px;padding:10px 14px 16px;box-shadow:0 10px 24px rgba(0,0,0,.08);}
  .nav-menu.open{display:flex;}
  .nav-menu a.link{padding:12px 12px;font-size:15px;border-radius:10px;}
  .nav-menu .bal{text-align:center;margin:6px 0;}
  .nav{position:relative;}
}
.wrap{max-width:1080px;margin:0 auto;padding:28px 20px;}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px;}
.card h2{margin:0 0 18px;font-size:19px;}
label{display:block;font-size:13px;color:var(--text2);margin:0 0 6px;font-weight:600;}
input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:12px 14px;font-size:15px;margin-bottom:16px;color:var(--text);}
input:focus{outline:none;border-color:var(--accent);}
input:disabled{opacity:.6;}
button,.btn{border:0;border-radius:11px;padding:12px 18px;background:var(--accent);color:#fff;font-weight:700;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;}
button:hover,.btn:hover{background:var(--accent2);}
.h1{font-size:24px;font-weight:800;margin:0 0 4px;}
.sub{color:var(--text3);margin:0 0 22px;}
.msg{padding:11px 14px;border-radius:10px;margin-bottom:16px;font-size:14px;}
.msg.err{background:#fbe9e7;border:1px solid #f3b8ad;color:#a8341f;}
.msg.ok{background:#e9f7ef;border:1px solid #aedcc0;color:#1d7a46;}
.tok-row{border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px;background:var(--bg);}
.tok-row code{color:var(--accent);font-size:13px;word-break:break-all;}
/* auth */
.authbox{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.authwrap{width:430px;max-width:94vw;text-align:center;}
.auth-logo{width:66px;height:66px;border-radius:18px;background:linear-gradient(135deg,#1e3a8a,#2563eb);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 8px 24px rgba(37,99,235,.35);}
.auth-brand{font-size:28px;font-weight:800;color:var(--text);}
.auth-sub{color:var(--text3);margin:6px 0 26px;font-size:15px;}
.authcard{background:var(--bg2);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:28px;text-align:left;}
.authcard button{width:100%;background:linear-gradient(135deg,#2563eb,#3b82f6);padding:13px;font-size:15px;margin-top:4px;}
.auth-foot{margin-top:22px;color:var(--text2);font-size:14px;}
.auth-foot a{color:var(--accent);font-weight:700;}
/* modal + toast */
.modal-ov{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-ov.show{display:flex;}
.modal-card{width:420px;max-width:94vw;background:var(--bg2);border-radius:18px;box-shadow:0 20px 60px rgba(15,23,42,.3);padding:28px;text-align:center;}
.modal-ic{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,#1e3a8a,#2563eb);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
.modal-card h3{margin:0 0 8px;font-size:20px;}
.modal-card p{margin:0 0 22px;color:var(--text2);}
.modal-actions{display:flex;gap:10px;}
.modal-actions button,.modal-actions .btn{flex:1;}
.btn-cancel{background:var(--bg3)!important;color:var(--text)!important;}
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(10px);background:#0f172a;color:#fff;padding:12px 22px;border-radius:11px;font-weight:600;font-size:14px;z-index:60;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 10px 30px rgba(0,0,0,.3);}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px;}
@media(max-width:640px){
  .grid3{grid-template-columns:1fr;}
  .wrap{padding:18px 14px;}
  .card{padding:18px;border-radius:14px;}
  .h1{font-size:20px;}
  .tok-row [style*="float:right"]{float:none!important;display:block;margin-top:4px;}
}