/* Login Screen */
.login-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-purple) 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.login-container {
  background: rgba(10, 10, 18, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 0 30px rgba(138, 43, 226, 0.3);
  max-width: 400px;
  width: 90%;
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(138, 43, 226, 0.1) 50%,
    transparent 55%
  );
  animation: shine 4s linear infinite;
  z-index: -1;
}

@keyframes shine {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.login-header i {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--neon-purple);
  text-shadow: 0 0 10px var(--neon-purple);
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from { text-shadow: 0 0 5px var(--neon-purple); }
  to { text-shadow: 0 0 15px var(--neon-purple), 0 0 20px var(--neon-pink); }
}

.login-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-color);
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-header p {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 30px;
  color: var(--text-color);
}

.google-signin-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  border: 1px solid var(--neon-blue);
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.google-signin-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
  background: rgba(0, 255, 255, 0.1);
}

.google-signin-btn::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(0, 255, 255, 0.1) 50%,
    transparent 55%
  );
  transition: all 0.5s ease;
}

.google-signin-btn:hover::before {
  transform: rotate(180deg);
}

.google-signin-btn i {
  font-size: 1.2rem;
  color: var(--neon-blue);
}

/* Divider */
.login-divider {
  display: flex;
  align-items: center;
  margin: 20px 0;
  color: rgba(255, 255, 255, 0.7);
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--neon-purple);
  box-shadow: var(--glow);
}

.login-divider span {
  padding: 0 15px;
  color: var(--neon-blue);
  text-shadow: 0 0 5px var(--neon-blue);
}

/* Email Login Form */
.email-login-form {
  width: 100%;
}

.email-login-form .form-group {
  margin-bottom: 15px;
  position: relative;
}

.email-login-form input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 15px;
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.email-login-form input:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 15px var(--neon-blue);
}

.email-login-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.email-signin-btn {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: var(--text-color);
  border: none;
  padding: 15px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s ease;
  margin-top: 10px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
}

.email-signin-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(138, 43, 226, 0.8);
  animation: pulseBtn 1s infinite alternate;
}

@keyframes pulseBtn {
  from { transform: translateY(-2px) scale(1); }
  to { transform: translateY(-2px) scale(1.05); }
}

.email-signin-btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 55%
  );
  animation: shine 3s linear infinite;
}

.signup-link {
  text-align: center;
  margin-top: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.signup-link a {
  color: var(--neon-blue);
  text-decoration: none;
  font-weight: 500;
  text-shadow: 0 0 5px var(--neon-blue);
  transition: all 0.3s ease;
}

.signup-link a:hover {
  text-decoration: underline;
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink);
}