/* Login 页面 - 深色主题 */

.login-body {
  min-height: 100vh;
  background: #0d0d0d;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 280px at 20% 20%, rgba(59, 130, 246, 0.08), transparent 60%),
    radial-gradient(500px 260px at 80% 80%, rgba(59, 130, 246, 0.05), transparent 55%),
    #0d0d0d;
  z-index: 0;
}

.login-shell {
  position: relative;
  z-index: 1;
  width: min(400px, 92vw);
  padding: 24px;
}

.login-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 24px;
}

.login-card:hover {
  border-color: #3a3a3a;
}

.login-brand {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
  font-weight: 600;
}

.login-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}

.login-brand-link:hover {
  color: #fff;
}

.login-github-icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.login-title {
  margin-top: 8px;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.login-subtitle {
  margin-top: 4px;
  font-size: 12px;
  color: #666;
}

.login-form {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.login-input {
  height: 36px;
  font-size: 13px;
  background: #0d0d0d;
  border: 1px solid #2a2a2a;
  color: #fff;
}

.login-input:focus {
  border-color: #3b82f6;
}

.login-input::placeholder {
  color: #666;
}

.login-button {
  height: 36px;
  font-size: 13px;
  justify-content: center;
  background: #3b82f6;
  border: none;
  color: #fff;
}

.login-button:hover {
  opacity: 0.85;
}

@media (max-width: 768px) {
  .login-shell {
    width: min(400px, 94vw);
    padding: 16px;
  }

  .login-card {
    padding: 20px;
  }

  .login-form {
    margin-top: 16px;
    gap: 10px;
  }

  .login-input,
  .login-button {
    height: 40px;
    font-size: 14px;
  }
}