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

:root {
  --color-primary: #e91e63;
  --color-secondary: #fce4ec;
  --color-accent: #f48fb1;
  --color-bg: #fffbf0;
  --color-text: #333;
  --color-text-light: #666;
  --color-border: #e0e0e0;
  --font-heading: 'Fredoka', sans-serif;
  --font-body: system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --max-width: 600px;
}

/* Per-child color themes */
[data-person="ellen"] {
  --color-primary: #4caf50;
  --color-secondary: #e8f5e9;
  --color-accent: #81c784;
}

[data-person="lucas"] {
  --color-primary: #2196f3;
  --color-secondary: #e3f2fd;
  --color-accent: #64b5f6;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  padding-bottom: 2rem;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(255, 183, 77, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(233, 30, 99, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(33, 150, 243, 0.08) 0%, transparent 40%);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.modal-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.modal-content p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

#name-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#name-form input {
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-body);
  text-align: center;
  transition: border-color 0.2s;
}

#name-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

#name-form button {
  padding: 0.75rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

#name-form button:hover {
  opacity: 0.9;
}

/* Header */
header {
  text-align: center;
  padding: 1.5rem 1rem 1rem;
}

header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  background: linear-gradient(135deg, #e91e63, #ff9800, #4caf50, #2196f3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#greeting {
  color: var(--color-text-light);
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

/* Tabs */
.tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--color-text-light);
}

.tab-btn:hover {
  border-color: var(--color-accent);
}

.tab-btn.active[data-person="ellen"] {
  background: #e8f5e9;
  border-color: #4caf50;
  color: #2e7d32;
}

.tab-btn.active[data-person="lucas"] {
  background: #e3f2fd;
  border-color: #2196f3;
  color: #1565c0;
}

/* Main content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem;
}

.person-header {
  text-align: center;
  margin-bottom: 1rem;
}

.person-header h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-primary);
}

/* Wishlist */
.wishlist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.wishlist-item {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: all 0.2s;
}

.wishlist-item:hover {
  border-color: var(--color-accent);
}

.wishlist-item.selected {
  background: var(--color-secondary);
  border-color: var(--color-primary);
}

.wishlist-item.selected-by-other {
  opacity: 0.7;
}

.item-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  min-width: 24px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  margin-top: 2px;
  transition: all 0.2s;
}

.item-checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.item-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.item-checkbox:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.item-details {
  flex: 1;
  min-width: 0;
}

.item-text {
  font-size: 1rem;
  word-break: break-word;
}

.item-link {
  display: inline-block;
  margin-top: 0.25rem;
  margin-right: 0.75rem;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.85rem;
}

.item-link:hover {
  text-decoration: underline;
}

.item-meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

.item-selected-by {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: 0.25rem;
}

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* Add form */
.add-form {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.add-form h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

#add-item-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#add-item-form input {
  padding: 0.625rem 0.875rem;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color 0.2s;
}

#add-item-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

#add-item-form button[type="submit"] {
  padding: 0.625rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 1rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

#add-item-form button[type="submit"]:hover {
  opacity: 0.9;
}

/* Link rows */
.link-row {
  display: flex;
  gap: 0.375rem;
  align-items: center;
}

.link-row .link-url {
  flex: 2;
}

.link-row .link-label {
  flex: 1;
}

.remove-link-btn {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  line-height: 1;
}

.remove-link-btn:hover {
  color: #e91e63;
  background: rgba(233, 30, 99, 0.08);
}

#add-link-btn,
.add-link-btn-inline {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.25rem 0;
  text-align: left;
}

#add-link-btn:hover,
.add-link-btn-inline:hover {
  text-decoration: underline;
}

/* Multi-select toggle */
.multi-select-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  cursor: pointer;
}

.multi-select-toggle input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.multi-select-badge {
  font-size: 0.85rem;
}

/* Item actions (edit/delete) */
.item-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.375rem;
}

.item-action-btn {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.125rem 0;
}

.item-action-btn:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.item-delete-btn:hover {
  color: #e91e63;
}

/* Edit form (inline) */
.edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  padding: 0.25rem 0;
}

.edit-form input[type="text"],
.edit-form input[type="url"] {
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color 0.2s;
}

.edit-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.edit-buttons {
  display: flex;
  gap: 0.5rem;
}

.edit-save-btn {
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.edit-save-btn:hover {
  opacity: 0.9;
}

.edit-cancel-btn {
  padding: 0.5rem 1rem;
  background: none;
  color: var(--color-text-light);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.edit-cancel-btn:hover {
  border-color: var(--color-text-light);
}

/* Balloons */
.balloons-container {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.balloon {
  position: absolute;
  bottom: -120px;
  width: 40px;
  height: 50px;
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  opacity: 0.25;
  animation: float-up linear forwards;
}

.balloon::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 20px;
  background: rgba(0, 0, 0, 0.15);
}

@keyframes float-up {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-25vh) rotate(5deg);
  }
  50% {
    transform: translateY(-50vh) rotate(-3deg);
  }
  75% {
    transform: translateY(-75vh) rotate(4deg);
  }
  100% {
    transform: translateY(-120vh) rotate(-2deg);
    opacity: 0;
  }
}

/* Mobile */
@media (max-width: 639px) {
  html {
    font-size: 20px;
  }

  header {
    padding: 1rem 0.5rem 0.75rem;
  }

  header h1 {
    font-size: 2.2rem;
  }

  .tabs {
    padding: 0.5rem 0.25rem;
  }

  .tab-btn {
    font-size: 1.1rem;
    padding: 0.85rem 1rem;
  }

  main {
    padding: 0.75rem 0.25rem;
  }

  .modal {
    padding: 0.5rem;
  }

  .wishlist-item {
    padding: 0.75rem 0.625rem;
  }

  .item-text {
    font-size: 1.1rem;
  }

  .item-link {
    font-size: 0.95rem;
  }

  .item-meta,
  .item-selected-by {
    font-size: 0.9rem;
  }

  .add-form {
    padding: 1rem 0.75rem;
  }

  .add-form h3 {
    font-size: 1.2rem;
  }

  #add-item-form input,
  .edit-form input[type="text"],
  .edit-form input[type="url"] {
    font-size: 1rem;
  }

  .link-row {
    flex-wrap: wrap;
  }

  .link-row .link-url {
    flex: 1 1 100%;
  }

  .link-row .link-label {
    flex: 1 1 auto;
  }
}

/* Desktop */
@media (min-width: 640px) {
  header {
    padding-top: 2rem;
  }

  header h1 {
    font-size: 2.5rem;
  }

  .modal-content {
    padding: 2.5rem;
  }
}