* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Arial, "Microsoft YaHei", sans-serif;
  color: #f3f7fb;
  background:
    radial-gradient(circle at 12% 18%, rgba(56, 189, 248, .24), transparent 30%),
    radial-gradient(circle at 88% 8%, rgba(249, 115, 22, .18), transparent 28%),
    linear-gradient(135deg, #101720 0%, #172331 46%, #0f141b 100%);
}
button, input { font: inherit; }
.login-shell { width: min(1120px, calc(100% - 28px)); min-height: 100vh; margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: center; padding: 34px 0; }
.hero-panel, .auth-panel { border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: rgba(14, 21, 30, .78); box-shadow: 0 24px 70px rgba(0,0,0,.32); backdrop-filter: blur(14px); }
.hero-panel { min-height: 520px; display: grid; align-content: center; padding: 34px; overflow: hidden; position: relative; }
.hero-panel::before { content: ""; position: absolute; inset: 28px 28px auto auto; width: 220px; height: 220px; border: 1px solid rgba(125,211,252,.25); border-radius: 40px; transform: rotate(16deg); background: linear-gradient(135deg, rgba(56,189,248,.16), rgba(251,146,60,.12)); }
.brand-row { position: relative; z-index: 1; display: flex; align-items: center; gap: 11px; margin-bottom: 58px; }
.brand-logo {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 1px solid rgba(94, 234, 212, .34);
  border-radius: 15px;
  background: #0b1220 url("../assets/app-icon.png?v=20260704") center / cover no-repeat;
  box-shadow: 0 16px 34px rgba(2, 6, 23, .38), 0 0 0 5px rgba(34, 211, 238, .08);
}
.hero-panel h1 { position: relative; z-index: 1; margin: 0 0 12px; font-size: clamp(32px, 5vw, 56px); line-height: 1.05; letter-spacing: -1px; }
.auth-panel { padding: 22px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 5px; border-radius: 14px; background: rgba(255,255,255,.05); margin-bottom: 20px; }
.tabs button { border: 0; border-radius: 10px; background: transparent; color: #aebdcc; padding: 11px; cursor: pointer; font-weight: 700; }
.tabs button.active { color: #101720; background: #e9f8ff; }
.auth-form { display: grid; gap: 14px; }
.auth-form.hidden { display: none; }
.auth-form h2 { margin: 0 0 4px; font-size: 22px; }
label { display: grid; gap: 8px; color: #dce7f2; font-weight: 700; font-size: 13px; }
.remember-row { display: flex; align-items: center; gap: 9px; margin: -2px 0 2px; color: #c9d7e5; font-weight: 600; }
.remember-row input { width: 17px; height: 17px; accent-color: #22d3ee; }
input { width: 100%; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; background: rgba(8, 13, 20, .72); color: #fff; padding: 13px 14px; outline: none; }
input:focus { border-color: #67e8f9; box-shadow: 0 0 0 3px rgba(103,232,249,.12); }
.primary { border: 0; border-radius: 12px; background: linear-gradient(90deg, #22d3ee, #fb923c); color: #07111a; padding: 13px 16px; font-weight: 900; cursor: pointer; }
.primary:disabled { opacity: .55; cursor: not-allowed; }
.hint { margin: 0; color: #8ea3b7; font-size: 12px; line-height: 1.6; }
.status-box { margin-top: 18px; border: 1px solid rgba(103,232,249,.2); border-radius: 14px; background: rgba(34,211,238,.08); color: #c8f5ff; padding: 13px; font-size: 13px; line-height: 1.6; }
.status-box.error { border-color: rgba(248,113,113,.32); background: rgba(248,113,113,.12); color: #ffd0d0; }
.status-box.success { border-color: rgba(74,222,128,.28); background: rgba(74,222,128,.1); color: #d9ffe4; }
.network-box { margin-top: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.06); padding: 13px; }
.network-box strong { display: block; margin-bottom: 4px; color: #fff; font-size: 13px; }
.network-box p { margin: 0 0 10px; color: #9eb0c2; font-size: 12px; line-height: 1.55; }
.network-list { display: grid; gap: 8px; color: #9eb0c2; font-size: 12px; }
.network-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; border: 1px solid rgba(103,232,249,.16); border-radius: 10px; background: rgba(8,13,20,.55); padding: 8px; }
.network-item code { color: #c8f5ff; overflow-wrap: anywhere; font-family: Consolas, "Microsoft YaHei", monospace; }
.copy-address { border: 0; border-radius: 8px; background: #e9f8ff; color: #101720; padding: 7px 10px; font-size: 12px; font-weight: 800; cursor: pointer; }
.copy-address:disabled { opacity: .65; cursor: default; }
@media (max-width: 860px) {
  .login-shell { grid-template-columns: 1fr; }
  .hero-panel { min-height: auto; }
  .brand-row { margin-bottom: 44px; }
}
@media (max-width: 560px) {
  .hero-panel, .auth-panel { border-radius: 16px; padding: 20px; }
}