/* Header styles */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(4px);
  background: rgba(10, 12, 21, 0.6);
}

.back-button {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 28px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(17, 19, 31, 0.7);
}

/* emoji icon instead of font-awesome */
.back-emoji {
  font-size: 1.1rem;
  filter: drop-shadow(0 0 2px var(--neon-blue));
}

.back-button:hover {
  border-color: var(--neon-blue);
  transform: translateX(-5px);
  box-shadow: 0 0 15px var(--neon-blue-glow);
  background: rgba(77, 158, 255, 0.05);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(130deg, #fff, #c5d0ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* emoji logo */
.logo-emoji {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px var(--neon-blue));
  -webkit-text-fill-color: initial;
  background: none;
}

/* Container and Card */
.container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.card {
  background: var(--card-bg);
  border-radius: 28px;
  padding: 40px;
  width: 100%;
  max-width: 480px;
  border-top: 5px solid var(--neon-purple);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 30px 40px -15px rgba(0, 0, 0, 0.5);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  animation: fadeIn 0.8s ease-out;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 40px -15px var(--neon-purple-glow);
}

.card-header {
  text-align: center;
  margin-bottom: 30px;
}

.card-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(145deg, #b56aff, #4d9eff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Success and Error Messages */
.success-message {
  background: rgba(179, 255, 170, 0.1);
  border: 1px solid var(--success-color);
  border-radius: 28px;
  padding: 15px 20px;
  margin-bottom: 25px;
  color: var(--success-color);
  font-weight: 500;
  border-top: 3px solid var(--success-color);
  text-align: center;
}

.success-message h3 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.success-message small {
  opacity: 0.9;
  font-size: 0.85rem;
}

.error-message {
  background: rgba(255, 77, 77, 0.1);
  border: 1px solid var(--error-color);
  border-radius: 28px;
  padding: 15px 20px;
  margin-bottom: 25px;
  color: var(--error-color);
  font-weight: 500;
  border-top: 3px solid var(--error-color);
  text-align: center;
}

.login-attempts {
  margin-top: 8px;
  font-size: 0.85rem;
  opacity: 0.9;
}

/* Form styles */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

input {
  width: 100%;
  padding: 14px 18px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  border-top: 3px solid transparent;
}

input:hover {
  border-color: var(--neon-blue);
}

input:focus {
  outline: none;
  border-color: var(--neon-blue);
  border-top-color: var(--neon-blue);
  box-shadow: 0 0 20px var(--neon-blue-glow);
}

/* Password input group */
.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group input {
  padding-right: 50px;
}

.password-toggle {
  position: absolute;
  right: 5px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 10px 15px;
  font-size: 1.2rem;
  transition: color 0.3s ease;
  line-height: 1;
}

.password-toggle:hover {
  color: var(--neon-blue);
}

/* Remember me and Forgot password row */
.remember-forgot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0;
  font-size: 0.95rem;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
}

.remember-me input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: var(--neon-blue);
}

.remember-me label {
  margin: 0;
  display: inline;
  cursor: pointer;
}

.forgot-password {
  color: var(--neon-blue);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.forgot-password:hover {
  color: var(--neon-purple);
  text-shadow: 0 0 10px var(--neon-purple-glow);
}

/* Submit button */
.btn {
  width: 100%;
  padding: 16px;
  background: var(--neon-blue);
  color: var(--dark-bg);
  border: none;
  border-radius: 28px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  border-top: 3px solid rgba(255, 255, 255, 0.3);
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:hover {
  background: #6baeff;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px var(--neon-blue-glow);
}

.btn:active {
  transform: translateY(0);
}

/* Sign up link */
.signup-link {
  text-align: center;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.signup-link a {
  color: var(--neon-blue);
  text-decoration: none;
  font-weight: 600;
  margin-left: 5px;
  transition: all 0.3s ease;
}

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

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

/* Responsive design */
@media (max-width: 600px) {
  header {
    padding: 15px 20px;
  }

  .card {
    padding: 30px 20px;
  }

  .card-header h1 {
    font-size: 1.8rem;
  }

  .remember-forgot {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}

/* Focus visible accessibility */
:focus-visible {
  outline: 2px solid var(--neon-blue);
  outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--neon-blue);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-purple);
}

/* Spinner animation for emoji */
.spinner-emoji {
  display: inline-block;
  animation: spin 0.9s linear infinite;
  font-size: 1rem;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Visual feedback for form inputs */
.form-group input.valid {
  border-color: #4caf50;
  background-color: rgba(76, 175, 80, 0.1);
}

.form-group input.invalid {
  border-color: #f44336;
  background-color: rgba(244, 67, 54, 0.1);
}

.form-group .error {
  color: #f44336;
  font-size: 0.85rem;
  margin-top: 5px;
  display: none;
}

.form-group .error[style*="display: block"],
.form-group .error:not([style*="display: none"]) {
  display: block;
}

/* Disabled button styling */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  background: var(--gradient-start);
  transform: none;
}

/* Hover effect only when enabled */
.btn:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}