:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --background-color: #f8fafc;
  --surface-color: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

body {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Adjust login container for header/footer layout */
.login-container {
  flex: 1;
}

.footer .footer-logo {
  height: 80px;
  width: auto;
  display: block;
  margin: 0 auto 0.75rem auto;
  border: 0;
  border-radius: 0;
  outline: none;
  background: transparent;
  object-fit: contain;
}


body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 25% 25%,
      rgba(37, 99, 235, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(59, 130, 246, 0.1) 0%,
      transparent 50%
    );
  z-index: -1;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 3rem;
  max-width: 450px;
  width: 100%;
  max-height: 700px;
  height: 100%;
  position: relative;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #3b82f6, #1d4ed8, #3b82f6);
  background-size: 200% 100%;
  animation: gradient-shift 3s ease infinite;
  border-radius: 24px 24px 0 0;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.brand-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.brand-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
  position: relative;
}

.brand-logo::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8, #60a5fa);
  border-radius: 22px;
  z-index: -1;
  opacity: 0.3;
}

.brand-logo i {
  font-size: 1.75rem;
  color: white;
}

.brand-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #1e293b, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.brand-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.8;
}

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

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid #e2e8f0;
  border-radius: 16px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-primary);
  transition: all 0.3s ease;
  min-height: 56px;
  font-weight: 500;
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  background: rgba(255, 255, 255, 1);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1rem;
}

.input-group .form-input {
  padding-left: 3rem;
}

/* Password visibility toggle styles */
.password-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-container .form-input {
  padding-right: 3rem;
}

.password-toggle-btn {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  z-index: 10;
}

.password-toggle-btn:hover {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--primary-color);
}

.password-toggle-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.password-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  width: 100%;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
  border-radius: 16px;
  font-weight: 600;
  font-size: 1.1rem;
  min-height: 56px;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-footer {
  text-align: center;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.form-footer p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.form-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.form-footer a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.alert {
  padding: 1.25rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border-color: rgba(239, 68, 68, 0.2);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.2);
}

.alert i {
  font-size: 1.125rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .login-container {
    padding: 1rem;
  }

  .login-card {
    padding: 2rem 1.5rem;
    max-width: 100%;
    border-radius: 20px;
  }

  .brand-title {
    font-size: 1.75rem;
  }

  .brand-subtitle {
    font-size: 0.9rem;
  }

  .brand-logo {
    width: 64px;
    height: 64px;
  }

  .brand-logo i {
    font-size: 1.5rem;
  }

  .form-input {
    min-height: 52px;
    padding: 0.875rem 1rem;
  }

  .password-input-container .form-input {
    padding-right: 2.5rem;
  }

  .password-toggle-btn {
    right: 0.75rem;
    width: 2.25rem;
    height: 2.25rem;
  }

  .password-toggle-btn svg {
    width: 16px;
    height: 16px;
  }

  .btn-primary {
    min-height: 52px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .login-container {
    padding: 0.5rem;
  }

  .login-card {
    padding: 1.5rem 1rem;
    border-radius: 16px;
  }

  .brand-title {
    font-size: 1.5rem;
  }

  .brand-subtitle {
    font-size: 0.85rem;
  }

  .form-input {
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
    min-height: 48px;
  }

  .password-input-container .form-input {
    padding-right: 2.25rem;
  }

  .password-toggle-btn {
    right: 0.5rem;
    width: 2rem;
    height: 2rem;
  }

  .password-toggle-btn svg {
    width: 14px;
    height: 14px;
  }

  .btn-primary {
    font-size: 0.9rem;
    min-height: 48px;
  }
}