body[data-page="login"] {
  height: 100vh;
  overflow: hidden;
  background: #0b0d14;
}

.login-wallpaper {
  position: fixed;
  inset: -3%;
  width: 106%;
  height: 106%;
  object-fit: cover;
  z-index: 0;
  transform: scale(1.02);
  animation: kenburns 26s ease-in-out infinite alternate;
  will-change: transform;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.login-wallpaper.loaded { opacity: 1; }

@keyframes kenburns {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.13) translate3d(-1.4%, -1.6%, 0); }
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(8, 10, 18, 0.82) 0%, rgba(8, 10, 18, 0.46) 46%, rgba(8, 10, 18, 0.18) 100%),
    radial-gradient(900px 600px at 78% 18%, rgba(255, 127, 168, 0.16), transparent 70%);
}
.login-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 10, 18, 0.65), transparent 38%);
}

.login-shell {
  position: relative;
  z-index: 2;
  height: 100vh;
  padding: 40px clamp(20px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  color: #eef1f8;
}

.login-card {
  width: min(408px, 100%);
  padding: 30px 30px 26px;
  border-radius: 26px;
  background: rgba(18, 22, 34, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px) saturate(1.15);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  will-change: transform, opacity;
  animation: fadeUp 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.login-profile { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.login-avatar {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 12px 30px -12px rgba(255, 127, 168, 0.85);
}
.login-profile h1 { margin: 0; font-size: 22px; letter-spacing: 1px; }
.login-profile p {
  margin: 3px 0 0;
  font-size: 10px;
  letter-spacing: 2.6px;
  color: rgba(224, 232, 245, 0.56);
}

.login-card form { display: flex; flex-direction: column; gap: 14px; }
.login-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(224, 232, 245, 0.66);
}
.login-card input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #f4f7fd;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.login-card input::placeholder { color: rgba(224, 232, 245, 0.34); }
.login-card input:focus {
  border-color: rgba(255, 138, 176, 0.75);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 4px rgba(255, 127, 168, 0.13);
}

.login-card .code-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.login-card .code-row input { flex: 1; min-width: 0; letter-spacing: 3px; }
.login-card .code-btn {
  flex: 0 0 auto;
  padding: 0 16px;
  border-radius: 13px;
  font-size: 12.5px;
  letter-spacing: 1px;
  white-space: nowrap;
}
.login-card .code-btn[disabled] { opacity: 0.55; cursor: not-allowed; }

.login-card .btn.primary {
  margin-top: 4px;
  padding: 12px 18px;
  border-radius: 13px;
  font-size: 15px;
  letter-spacing: 1px;
}
.login-card .btn.primary[disabled] { opacity: 0.65; cursor: wait; }

.login-error {
  min-height: 18px;
  margin: -2px 0 0;
  font-size: 12.5px;
  color: #ff9db4;
}
.login-error.ok { color: #8fe3bd; }

.login-switch {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: rgba(224, 232, 245, 0.55);
}
.login-switch a { color: #ffb3cd; }
.login-switch a:hover { color: #fff; text-decoration: underline; }

.login-note {
  margin: 18px 0 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: rgba(224, 232, 245, 0.45);
}

.login-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: rgba(224, 232, 245, 0.5);
}
.login-foot a { color: rgba(255, 190, 212, 0.85); }
.login-foot a:hover { color: #fff; }
.login-foot .wallpaper-tip { font-size: 11.5px; letter-spacing: 0.4px; }

@media (max-width: 720px) {
  body[data-page="login"] { overflow-y: auto; }
  .login-wallpaper { animation: none; transform: scale(1.04); }
  .login-shell { height: auto; min-height: 100vh; padding: 26px 18px 34px; justify-content: center; }
  .login-card { width: 100%; padding: 26px 22px 22px; }
  .login-overlay { background: linear-gradient(180deg, rgba(8, 10, 18, 0.55), rgba(8, 10, 18, 0.85)); }
}