/* Baby Milestone Tracker */

/* ---- Birthday Input ---- */
.birthday-input-section {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.birthday-input-section label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  white-space: nowrap;
}

.birthday-input-section input[type="date"] {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

.birthday-input-section input[type="date"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-clear-birthday {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 8px;
}

.btn-clear-birthday:hover {
  color: var(--color-text);
}

/* ---- Age Hero ---- */
.age-hero {
  text-align: center;
  padding: 20px;
  margin-bottom: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.age-hero-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.age-hero-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.age-hero-sublabel {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ---- Stats Row ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

/* ---- Progress Bar ---- */
.progress-bar-wrap {
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-bar-fill {
  height: 100%;
  background: #38a169;
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ---- Filter Row ---- */
.filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-row .filter-btn {
  border: 1px solid var(--color-border);
  border-right: none;
}

.filter-row .filter-btn:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.filter-row .filter-btn:nth-child(3) {
  border-right: 1px solid var(--color-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-toggle-all {
  margin-left: auto;
  padding: 7px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-toggle-all:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn {
  padding: 8px 20px;
  border: none;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
}

/* ---- Age Group Sections ---- */
.milestone-age-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.milestone-age-group.current-age {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-light, #edf2ff);
}

.age-group-header {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  gap: 10px;
}

.age-group-header:hover {
  background: var(--color-bg-secondary);
}

.collapse-icon {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.current-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--color-primary);
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

.age-group-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.age-group-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
  margin-left: auto;
}

.age-group-progress {
  width: 100px;
  height: 4px;
  background: var(--color-bg-secondary);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

.btn-check-all {
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.btn-check-all:hover {
  border-color: #38a169;
  color: #38a169;
  background: #f0fff4;
}

.age-group-progress-fill {
  height: 100%;
  background: #38a169;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.age-group-body {
  border-top: 1px solid var(--color-border-light);
}

.milestone-age-group.collapsed .age-group-body {
  display: none;
}

.milestone-age-group.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

/* ---- Sub-Category Labels ---- */
.sub-category-label {
  padding: 10px 16px 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-light);
}

/* ---- Milestone Items ---- */
.milestone-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border-light);
}

.milestone-item:last-of-type {
  border-bottom: none;
}

.milestone-item.achieved .milestone-name {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

/* ---- Custom Checkbox ---- */
.checkbox-wrap {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  cursor: pointer;
}

.checkbox-wrap input[type="checkbox"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  margin: 0;
}

.checkmark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.75rem;
  color: transparent;
  transition: all 0.15s ease;
  background: var(--color-surface);
}

.checkbox-wrap input[type="checkbox"]:checked + .checkmark {
  background: #38a169;
  border-color: #38a169;
  color: #fff;
}

/* ---- Milestone Content ---- */
.milestone-content {
  flex: 1;
  min-width: 0;
}

.milestone-name {
  font-size: 0.9rem;
  color: var(--color-text);
  display: block;
  line-height: 1.4;
  margin-bottom: 4px;
}

.milestone-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.milestone-date {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  font-size: 0.78rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  max-width: 140px;
}

.milestone-date:focus {
  outline: none;
  border-color: var(--color-primary);
}

.milestone-notes {
  flex: 1;
  min-width: 80px;
  border: none;
  border-bottom: 1px dashed var(--color-border-light);
  background: transparent;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  padding: 3px 6px;
  font-family: inherit;
}

.milestone-notes:focus {
  outline: none;
  border-bottom-color: var(--color-primary);
}

/* ---- Delete Button ---- */
.item-delete {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.milestone-item:hover .item-delete {
  opacity: 1;
}

.item-delete:hover {
  color: #e53e3e;
}

/* ---- Add Item Row ---- */
.add-item-row {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  align-items: center;
  border-top: 1px solid var(--color-border-light);
}

.new-milestone-category {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 0.82rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  max-width: 180px;
}

.new-milestone-input {
  flex: 1;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

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

.btn-add-item {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn-add-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---- Action Buttons ---- */
.action-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .milestone-meta {
    flex-basis: 100%;
  }
  .age-group-progress {
    display: none;
  }
  .birthday-input-section {
    flex-wrap: wrap;
  }
  .new-milestone-category {
    max-width: 100%;
    flex-basis: 100%;
  }
  .add-item-row {
    flex-wrap: wrap;
  }
  .item-delete {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
  .stat-card {
    padding: 12px;
  }
  .stat-value {
    font-size: 1rem;
  }
  .filter-row {
    flex-wrap: wrap;
  }
  .milestone-date {
    max-width: 100%;
    flex-basis: 100%;
  }
}

/* ---- Print ---- */
@media print {
  .action-buttons,
  .add-item-row,
  .filter-row,
  .item-delete,
  .birthday-input-section,
  .milestone-date,
  .btn-clear-birthday {
    display: none !important;
  }
  .milestone-age-group {
    break-inside: avoid;
  }
  .milestone-age-group.collapsed .age-group-body {
    display: block !important;
  }
  .milestone-age-group.collapsed .collapse-icon {
    transform: none;
  }
}