* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Helvetica Neue', sans-serif;
}

:root {
  --color-primary: #ff5500;   /* updated main accent */
  --color-dark: #121212;      /* deep background */
  --color-light: #f5f5f5;     /* soft white */
  --color-gray: #a0a0a0;      /* subtle gray */
  --color-hover: #ff7700;     /* hover color */
  --color-accent: #ff9a66;    /* accent color */
  --transition-speed: 0.3s;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Helvetica Neue', sans-serif;
}

body {
  background-color: var(--color-dark);
  color: var(--color-light);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
}

.signin-container {
  background: rgba(0, 0, 0, 0.75);
  padding: 3rem 4rem;
  border-radius: 8px;
  width: 450px;
  max-width: 90%;
  box-shadow: 0 0 5px var(--color-hover);
}

.logo{
  text-align: center;
  font-size: 3rem;
  font-weight: 1500;
  color: var(--color-primary);
  margin: 30px;
  text-decoration: none;
}


.logo img {
  width: 150px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

input {
  width: 100%;
  padding: 1rem;
  background-color: var(--color-dark);
  border: none;
  border-radius: 4px;
  color: var(--color-light);
  font-size: 1rem;
}

input:focus {
  outline:none;
  background: var(--color-dark);
  border: 1px solid var(--color-accent);
  box-shadow: 0 0 5px var(--color-accent);
}

button {
  width: 100%;
  padding: 1rem;
  background: var(--color-primary);
  color: var(--color-light);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: var(--color-hover);
}

.options {
  display: flex;
  justify-content: space-between;
  margin: 1rem 0;
  color: #b3b3b3;
  font-size: 0.9rem;
}

.options a {
  color: #b3b3b3;
  text-decoration: none;
}

.options a:hover {
  text-decoration: underline;
  color: var(--color-hover);
}

.social-login {
  margin-top: 2rem;
  text-align: center;
}

.social-login p {
  margin-bottom: 1rem;
  color: #b3b3b3;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-icons a {
  color: var(--color-light);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: var(--color-primary);
}

.signup-link {
  text-align: center;
  margin-top: 2rem;
  color: #737373;
}

.signup-link a {
  color: var(--color-light);
  text-decoration: none;
}

.signup-link a:hover {
  text-decoration: underline;
  color: var(--color-hover);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  .signin-container {
      padding: 2rem;
  }
  
  h1 {
      font-size: 1.5rem;
  }
}