/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-bounce);
  font-family: var(--font-family);
  outline: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-hover);
}

.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:disabled {
  background-color: var(--bg-color);
  color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.7;
  border-color: var(--border-color);
}

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-color);
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: var(--danger-hover);
  box-shadow: 0 8px 15px -3px rgba(220, 38, 38, 0.2);
}

/* Icon Buttons */
.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.icon-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--primary-color);
}

.icon-btn:active {
  transform: scale(0.92);
}

/* Cards */
.card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

/* Form Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  font-family: inherit;
  background-color: white;
}

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

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Validation States */
.form-control.is-invalid {
  border-color: var(--invalid-color);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-control.is-valid {
  border-color: var(--valid-color);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.error-message {
  display: none;
  color: var(--invalid-color);
  font-size: 0.75rem;
  margin-top: 0.375rem;
  animation: slideDown 0.2s ease-out;
}

.form-control.is-invalid ~ .error-message {
  display: block;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.badge-active {
  background-color: var(--status-active-bg);
  color: var(--status-active-text);
}

.badge-banned {
  background-color: var(--status-banned-bg);
  color: var(--status-banned-text);
}

.badge-teacher {
  background-color: var(--role-teacher-bg);
  color: var(--role-teacher-text);
}

.badge-therapist {
  background-color: var(--role-therapist-bg);
  color: var(--role-therapist-text);
}

/* Animations */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-up {
  opacity: 0;
  animation: slideUpFade 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-100 {
  animation-delay: 100ms;
}
.delay-200 {
  animation-delay: 200ms;
}
.delay-300 {
  animation-delay: 300ms;
}
.delay-400 {
  animation-delay: 400ms;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  min-width: 280px;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background-color: var(--surface-color);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  font-size: 0.875rem;
  border-left: 4px solid var(--primary-color);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

.toast.success {
  border-left-color: var(--valid-color);
}
.toast.error {
  border-left-color: var(--invalid-color);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast.fade-out {
  animation: fadeOutRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Custom Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.modal-overlay.show {
  opacity: 1;
}

.custom-modal {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-fast);
  text-align: center;
}

.modal-overlay.show .custom-modal {
  transform: translateY(0) scale(1);
}

.custom-modal h3 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.custom-modal p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}