/* Updated login with violet/green gradient background */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0a0a 0%, #262626 30%, #6d28d9 70%, #10b981 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Floating orbs with violet and green colors */
.login-container::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent);
  border-radius: 50%;
  top: -250px;
  right: -250px;
  animation: float 20s ease-in-out infinite;
}

.login-container::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.3), transparent);
  border-radius: 50%;
  bottom: -200px;
  left: -200px;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.login-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--spacing-3xl);
  width: 100%;
  max-width: 440px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  animation: slideUp 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
  z-index: 1;
}

.login-card--wide {
  max-width: 920px;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-container {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  animation: fadeIn var(--transition-slow);
  animation-delay: 200ms;
  animation-fill-mode: both;
}

.logo {
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

/* Title with violet/green gradient */
.login-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: linear-gradient(135deg, #6d28d9, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-2xl);
  letter-spacing: -0.5px;
  animation: fadeIn var(--transition-slow);
  animation-delay: 300ms;
  animation-fill-mode: both;
}

.login-subtitle {
  text-align: center;
  color: #475569;
  margin-top: calc(-1 * var(--spacing-md));
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

.login-form {
  margin-bottom: var(--spacing-lg);
  animation: fadeIn var(--transition-slow);
  animation-delay: 400ms;
  animation-fill-mode: both;
}

.login-card--wide .login-form {
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 6px;
}

.login-form--two-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.login-form--two-columns .form-group {
  margin-bottom: 0;
}

/* Override form inputs for light theme */
.login-form .form-group input {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  color: #0a0a0a;
}

.login-form .form-group input:focus {
  background: #ffffff;
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.login-form .form-group label {
  color: #475569;
}

.error-message {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #991b1b;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 2px solid #ef4444;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-md);
  animation: shake 0.5s ease-in-out;
}

.error-message::before {
  content: "⚠️";
  font-size: var(--font-size-xl);
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(10px);
  }
}

/* Login button with violet gradient */
.btn-login {
  width: 100%;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xl);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.btn-login::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-smooth), height var(--transition-smooth);
}

.btn-login:hover::before {
  width: 300px;
  height: 300px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2xl), 0 0 30px rgba(139, 92, 246, 0.4);
}

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

.login-footer {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 2px solid #e2e8f0;
  animation: fadeIn var(--transition-slow);
  animation-delay: 500ms;
  animation-fill-mode: both;
}

.login-footer p {
  font-size: var(--font-size-sm);
  color: #64748b;
  font-weight: 500;
}

.register-link {
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: #475569;
  font-weight: 500;
}

.register-link a {
  color: #6d28d9;
  font-weight: 700;
  text-decoration: none;
}

.register-link a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .login-card {
    padding: var(--spacing-2xl);
  }

  .login-card--wide {
    max-width: 100%;
  }

  .logo {
    max-width: 280px;
  }

  .login-title {
    font-size: var(--font-size-2xl);
  }

  .btn-login {
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
  }
}