/* ========================================
   Tela de Login - Design Premium & Glassmorphism
   ======================================== */

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: radial-gradient(circle at 50% 50%, #111827 0%, #070a13 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  overflow-y: auto;
  font-family: var(--font-family);
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.login-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.8;
  pointer-events: none;
}

.login-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 450px;
  background: rgba(17, 24, 39, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 
              0 0 40px rgba(204, 0, 0, 0.05);
  transform: translateY(0);
  transition: all var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-logo {
  max-height: 55px;
  width: auto;
  margin-bottom: var(--space-md);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.login-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff !important;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.login-subtitle {
  color: rgba(255, 255, 255, 0.7) !important;
  font-size: 0.9rem;
}

/* Form Styles */
.login-form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.login-form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7) !important;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.login-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 16px 12px 40px;
  color: #ffffff !important;
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.login-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--fpp-red);
  box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.15);
}

.login-input:focus ~ .input-icon {
  color: var(--fpp-red);
}

.toggle-password {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.toggle-password:hover {
  color: var(--text-primary);
}

/* Button & Links */
.btn-login {
  width: 100%;
  background: linear-gradient(135deg, var(--fpp-red) 0%, #a30000 100%);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(204, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(204, 0, 0, 0.35);
  background: linear-gradient(135deg, #e60000 0%, var(--fpp-red) 100%);
}

.btn-login:active {
  transform: translateY(1px);
}

.login-footer-links {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6) !important;
}

.login-link {
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
  cursor: pointer;
  margin-left: 4px;
}

.login-link:hover {
  color: #ff3333 !important;
  text-decoration: underline;
}

/* Toast Message */
.login-toast {
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  animation: slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: none;
  backdrop-filter: blur(8px);
}

.login-toast.success {
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}