:root{
  --bg:#eef1f6; --surface:#fff; --border:#e3e7ee; --border-strong:#cfd6e2;
  --text:#0f172a; --muted:#64748b; --accent:#2563eb; --accent-hover:#1d4ed8;
  --hover:#f8fafc; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 50% -10%,#fff 0%,var(--bg) 60%);
  color:var(--text);min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:24px 16px;-webkit-font-smoothing:antialiased;
}
.modal{
  width:100%;max-width:560px;height:min(90vh,820px);background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:0 24px 60px -20px rgba(15,23,42,.18),0 2px 6px rgba(15,23,42,.04);
  display:flex;flex-direction:column;overflow:hidden;
}
.modal-header{display:flex;align-items:center;gap:13px;padding:18px 20px;border-bottom:1px solid var(--border)}
.brand-mark{flex-shrink:0;display:block}
.header-text{flex:1;min-width:0}
.modal-title{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.modal-subtitle{font-size:13px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{flex-shrink:0;width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:9px;background:transparent;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.icon-btn:hover{background:#f1f5f9;color:var(--text)}
.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.view{flex:1;display:flex;flex-direction:column;min-height:0}
.search-wrap{padding:16px 20px 10px}
.search-box{position:relative}
.search-box>svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:#94a3b8;fill:none;stroke-width:2;stroke-linecap:round;pointer-events:none}
.search-box input{width:100%;height:44px;padding:0 40px 0 38px;border:1px solid var(--border-strong);border-radius:11px;background:#fbfcfe;font-size:14.5px;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
.search-box input::placeholder{color:#94a3b8}
.search-box input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.13)}
.clear-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:28px;height:28px;display:none;place-items:center;border:0;border-radius:7px;background:transparent;color:var(--muted);cursor:pointer}
.clear-btn:hover{background:#eef2f7;color:var(--text)}
.search-box.has-value .clear-btn{display:grid}
.provider-list{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:4px 12px 16px;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}
.provider-list::-webkit-scrollbar{width:10px}
.provider-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px;border:3px solid #fff}
.provider-list::-webkit-scrollbar-thumb:hover{background:#94a3b8}
.list-separator{height:1px;margin:8px 10px;background:var(--border)}
.provider-item{width:100%;display:flex;align-items:center;gap:13px;padding:9px 10px;border:1px solid transparent;border-radius:12px;background:transparent;text-align:left;font:inherit;color:inherit;cursor:pointer;transition:background .12s,border-color .12s,transform .06s}
.provider-item:hover{background:var(--hover);border-color:var(--border)}
.provider-item:active{transform:scale(.995)}
.provider-item:focus-visible{outline:2px solid var(--accent);outline-offset:-1px;background:#eff4ff}
.provider-icon{flex-shrink:0;width:40px;height:40px;border-radius:10px;border:1px solid #e8ebf1;background:#fff;display:grid;place-items:center;overflow:hidden;font-weight:700;color:#fff;font-size:15px;line-height:1;letter-spacing:-.02em;user-select:none}
.provider-icon img{width:24px;height:24px;object-fit:contain;display:block}
.provider-icon.is-fallback{border-color:transparent}
.provider-icon.is-fallback img{display:none}
.provider-icon.is-fallback.is-long{font-size:11px}
.provider-info{flex:1;min-width:0}
.provider-title{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.provider-desc{font-size:12.5px;color:var(--muted);line-height:1.35;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chevron{flex-shrink:0;width:18px;height:18px;stroke:#c2cbd9;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:stroke .12s,transform .12s}
.provider-item:hover .chevron{stroke:var(--accent);transform:translateX(2px)}
.empty{padding:56px 24px;text-align:center;color:var(--muted);font-size:14px;line-height:1.5}
.empty strong{display:block;color:var(--text);font-size:15px;margin-bottom:4px}
.login-view{overflow-y:auto}
.login-inner{flex:1;display:flex;flex-direction:column;align-items:center;padding:30px 26px 26px}
.login-logo{width:76px;height:76px;border-radius:20px;border:1px solid #e8ebf1;background:#fff;display:grid;place-items:center;overflow:hidden;box-shadow:0 8px 20px -12px rgba(15,23,42,.35);font-weight:700;color:#fff;font-size:28px;user-select:none}
.login-logo img{width:44px;height:44px;object-fit:contain;display:block}
.login-logo.is-fallback{border-color:transparent}
.login-logo.is-fallback img{display:none}
.login-logo.is-fallback.is-long{font-size:18px}
.login-name{font-size:19px;font-weight:700;letter-spacing:-.015em;margin-top:14px;text-align:center}
.login-domain{font-size:13px;color:var(--muted);margin-top:3px;text-align:center}
.login-secured{font-size:13.5px;color:#334155;margin-top:14px;text-align:center;font-weight:500;line-height:1.45;max-width:340px}
.login-form{width:100%;max-width:360px;margin-top:26px;display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field-label{font-size:12.5px;font-weight:600;color:#334155}
.field input{width:100%;height:44px;padding:0 13px;border:1px solid var(--border-strong);border-radius:10px;background:#fbfcfe;font-size:14.5px;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s,background .15s}
.field input::placeholder{color:#9aa6b6}
.field input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.13)}
.field input.is-invalid{border-color:#dc2626}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:44px}
.pw-toggle{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}
.pw-toggle:hover{background:#eef2f7;color:var(--text)}
.pw-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.form-error{font-size:12.5px;color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:9px;padding:8px 10px}
.submit-btn{height:46px;border:1px solid transparent;border-radius:11px;background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;display:grid;place-items:center}
.submit-btn:hover{background:var(--accent-hover)}
.submit-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.submit-btn[disabled]{opacity:.65;cursor:default}
.login-note{margin-top:18px;max-width:340px;text-align:center;font-size:11.5px;line-height:1.5;color:#94a3b8}
.error-icon{width:76px;height:76px;border-radius:50%;background:#fef2f2;border:1px solid #fecaca;display:grid;place-items:center;font-size:38px;font-weight:700;color:#dc2626;font-family:Georgia,serif}
@media(max-width:480px){
  body{padding:0}
  .modal{height:100vh;max-height:none;border-radius:0;border:0}
  .modal-header,.search-wrap{padding-left:16px;padding-right:16px}
  .login-inner{padding-left:18px;padding-right:18px}
}

/* ===== gate ===== */
.gate{position:fixed;inset:0;background:#0f172a;display:grid;place-items:center;padding:20px;z-index:9999}
.gate-box{width:100%;max-width:420px;background:#fff;border-radius:14px;padding:26px 22px 20px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.gate-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#0f172a}
.gate-sub{font-size:13px;color:#64748b;margin:12px 0 18px}
.gate-challenge{margin-bottom:14px}
.gate-turnstile{display:flex;align-items:center;gap:12px;border:1px solid #d9dee7;border-radius:10px;background:#fafbfc;padding:14px;cursor:pointer;user-select:none;transition:border-color .15s,background .15s}
.gate-turnstile:hover{border-color:#cfd6e2}
.gate-box-mark{width:22px;height:22px;border:2px solid #c2cbd9;border-radius:5px;background:#fff;flex-shrink:0;position:relative;transition:background .15s,border-color .15s}
.gate-turnstile.is-checked .gate-box-mark{background:#f6821f;border-color:#f6821f}
.gate-turnstile.is-checked .gate-box-mark::after{content:'';position:absolute;left:6px;top:2px;width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.gate-box-label{flex:1;font-size:14px;font-weight:500;color:#0f172a}
.gate-box-logo{display:flex;flex-direction:column;align-items:center;gap:2px}
.gate-box-logo em{font-style:normal;font-size:9px;color:#6b7280;letter-spacing:.02em}
.gate-math-row{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:#0f172a;border:1px solid #d9dee7;border-radius:10px;background:#fafbfc;padding:12px 14px}
.gate-math-row input{width:72px;height:40px;border:1px solid #cfd6e2;border-radius:8px;background:#fff;text-align:center;font-size:18px;font-weight:700;outline:none}
.gate-math-row input:focus{border-color:#f6821f;box-shadow:0 0 0 3px rgba(246,130,31,.18)}
.gate-btn{width:100%;height:44px;border:0;border-radius:10px;background:#f6821f;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;margin-top:6px}
.gate-btn:hover:not([disabled]){background:#e5701a}
.gate-btn[disabled]{opacity:.55;cursor:not-allowed}
.gate-err{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:8px 10px;font-size:12.5px;margin-top:10px}
.gate-foot{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:16px;font-size:10.5px;color:#94a3b8}