.paper-tabs {
  font-family: var(--font-family);
  width: 100%;
}

.paper-tabs__header {
  display: flex;
  border-bottom: 2px solid var(--ink-black);
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-xs);
}

.paper-tab {
  background: transparent;
  border: 2px solid transparent;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--ink-gray);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  outline: none;
  min-width: 80px;
  text-align: center;
}

.paper-tab--inactive {
  background: var(--paper-gray);
  border-color: var(--ink-light);
}

.paper-tab--inactive:hover {
  background: var(--ink-light);
  color: var(--ink-black);
  transform: translateY(-2px);
}

.paper-tab--active {
  background: var(--paper-white);
  border-color: var(--ink-black);
  color: var(--ink-black);
  font-weight: bold;
  transform: translateY(-2px);
  box-shadow: var(--shadow-pencil);
}

.paper-tab--disabled {
  background: var(--pencil-gray);
  color: var(--ink-light);
  cursor: not-allowed;
  transform: none;
}

.paper-tab--disabled:hover {
  background: var(--pencil-gray);
  color: var(--ink-light);
  transform: none;
}

.paper-tabs__content {
  padding: var(--spacing-lg);
  background: var(--paper-white);
  border: 2px solid var(--ink-black);
  border-radius: 8px;
  position: relative;
}

.paper-tab-panel {
  animation: tabContentFadeIn 0.3s ease-out;
}

/* Hand-drawn border effects */
.paper-tab::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border: 1px solid var(--ink-black);
  border-bottom: none;
  border-radius: 9px 9px 0 0;
  opacity: 0.3;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.paper-tab--active::before {
  opacity: 0.1;
}

.paper-tabs__content::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 1px solid var(--ink-black);
  border-radius: 10px;
  opacity: 0.3;
  pointer-events: none;
}

/* Animations */
@keyframes tabContentFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .paper-tabs__header {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .paper-tab {
    min-width: 60px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
  
  .paper-tabs__content {
    padding: var(--spacing-md);
  }
}