/* Dark Theme Professional Login Form */
:root {
  --primary-color: #ff4655; /* Valorant red */
  --primary-hover: #ff5f6d;
  --primary-glow: rgba(255, 70, 85, 0.3);
  --bg-dark: #0a0a0c;
  --bg-card: #0f0f13;
  --bg-input: #1a1a1f;
  --border-color: #2a2a2f;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a8;
  --text-muted: #6a6a70;
  --error-bg: rgba(255, 70, 85, 0.1);
  --error-border: rgba(255, 70, 85, 0.3);
  --success-color: #0ecb81;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #0f0f15 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
}

/* Animated background effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 70, 85, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(14, 203, 129, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* Container with glass morphism effect */
.auth-container {
  width: 100%;
  max-width: 450px;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.card {
  background: var(--bg-card);
  border-radius: 24px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transition: var(--transition);
  animation: fadeInUp 0.6s ease-out;
}

.card:hover {
  border-color: rgba(255, 70, 85, 0.2);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.card-header {
  padding: 32px 32px 24px 32px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

.card-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  border-radius: 3px;
}

form {
  padding: 32px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 15px;
  color: var(--text-primary);
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Alert styles */
.alert {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 14px;
  animation: shake 0.4s ease-out;
}

.alert.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: #ff8a95;
}

.alert p {
  margin: 0;
}

/* Button styles */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-block {
  width: 100%;
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 70, 85, 0.3);
}

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

/* Auth links */
.auth-links {
  padding: 20px 32px 32px 32px;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.auth-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
}

.auth-links a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
  20%, 40%, 60%, 80% { transform: translateX(2px); }
}

/* Responsive design */
@media (max-width: 768px) {
  .auth-container {
    padding: 16px;
  }
  
  .card-header {
    padding: 24px 24px 16px 24px;
  }
  
  .card-title {
    font-size: 24px;
  }
  
  form {
    padding: 24px;
  }
  
  .auth-links {
    padding: 16px 24px 24px 24px;
  }
}

/* Loading state for button */
.btn.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}