:root {
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.15);
  --bg-main: #0b1120;
  --bg-card: #1e293b;
  --bg-card-hover: #283548;
  --bg-input: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --border: #334155;
  --border-light: #1e293b;
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --success: #10b981;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 24px);
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
  background-color: var(--danger);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 6px;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.user-pill:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--primary);
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.user-avatar.avatar-birute {
  background: linear-gradient(135deg, #ec4899, #be185d);
}

.user-avatar.lg {
  width: 48px;
  height: 48px;
  font-size: 1.25rem;
}

/* Container */
.main-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Card */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
}

/* Quick Add Form */
.quick-add-card {
  border-color: rgba(16, 185, 129, 0.3);
}

.input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-row input {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.input-row input:focus {
  border-color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

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

.btn-add {
  padding: 12px 18px;
  white-space: nowrap;
}

.add-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
}

.category-pills-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.category-pills-scroll::-webkit-scrollbar {
  display: none;
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.cat-pill.selected {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--text-main);
  font-weight: 600;
}

.btn-ghost-sm {
  background: none;
  border: none;
  color: var(--text-subtle);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  white-space: nowrap;
  border-radius: var(--radius-sm);
}

.btn-ghost-sm:hover {
  color: var(--text-muted);
  background-color: var(--bg-input);
}

.notes-container {
  margin-top: 10px;
}

.notes-container input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 0.88rem;
}

/* Controls Bar (Filters & Toggles) */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.filter-tabs-wrapper {
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
}

.filter-tabs-wrapper::-webkit-scrollbar {
  display: none;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.filter-btn.active {
  background-color: #ffffff;
  color: #0b1120;
  border-color: #ffffff;
  font-weight: 600;
}

.view-toggles {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-icon:hover {
  color: var(--text-main);
  border-color: var(--text-subtle);
}

.btn-icon.active {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-light);
}

/* Items List */
.items-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title-sm {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge {
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.badge-muted {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

.items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Group Header */
.category-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
  margin-top: 10px;
  margin-bottom: 2px;
  padding-left: 4px;
}

/* Item Card */
.item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s, background-color 0.15s, border-color 0.15s;
}

.item-card:hover {
  background-color: var(--bg-card-hover);
}

/* Checkbox */
.item-checkbox-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
}

.custom-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 2px solid var(--text-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

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

.item-card.bought .custom-checkbox {
  background-color: var(--primary);
  border-color: var(--primary);
}

.item-content {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.item-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.item-name {
  font-size: 1rem;
  font-weight: 600;
  word-break: break-word;
}

.item-card.bought .item-name {
  text-decoration: line-through;
  color: var(--text-subtle);
}

.item-cat-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background-color: var(--bg-input);
  color: var(--text-muted);
}

.item-notes {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.item-meta {
  font-size: 0.72rem;
  color: var(--text-subtle);
  margin-top: 3px;
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-action-icon {
  background: none;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-action-icon:hover {
  color: var(--text-main);
  background-color: var(--bg-input);
}

.btn-action-icon.danger:hover {
  color: var(--danger);
  background-color: var(--danger-light);
}

/* Bought Section */
.bought-section {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.bought-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  padding: 6px 0;
}

.bought-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chevron-icon {
  transition: transform 0.2s;
  color: var(--text-subtle);
}

.bought-section.collapsed .chevron-icon {
  transform: rotate(-90deg);
}

.bought-section.collapsed .bought-items-list {
  display: none;
}

.btn-text-danger {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.btn-text-danger:hover {
  background-color: var(--danger-light);
}

.btn-buy-again {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--primary);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.btn-buy-again:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 36px 16px;
  background-color: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

.empty-emoji {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.empty-state h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-subtle);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.btn-close:hover {
  color: var(--text-main);
}

/* Login Modal */
.login-modal {
  max-width: 380px;
}

.login-brand {
  text-align: center;
  margin-bottom: 20px;
}

.login-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 8px;
}

.login-brand h2 {
  font-size: 1.35rem;
  font-weight: 700;
}

.login-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.user-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 10px 0 16px 0;
}

.user-card {
  background-color: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.15s;
}

.user-card:hover {
  border-color: var(--text-subtle);
}

.user-card.selected {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.user-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
}

.user-card-name {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-input, .form-select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary);
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 4px;
}

.form-hint code {
  color: var(--primary);
  background-color: var(--bg-input);
  padding: 1px 4px;
  border-radius: 4px;
}

.form-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 12px;
  font-size: 1rem;
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text-main);
  background-color: var(--bg-input);
}

/* Emoji / Color Pickers */
.emoji-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.emoji-choice {
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
}

.emoji-choice.selected {
  border-color: var(--primary);
  background-color: var(--bg-input);
}

.color-picker {
  display: flex;
  gap: 10px;
}

.color-choice {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
}

.color-choice.selected {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

/* User Settings info */
.settings-user-info {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.settings-sub {
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* Alerts */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.alert-danger {
  background-color: var(--danger-light);
  border: 1px solid var(--danger);
  color: #fca5a5;
}

.alert-success {
  background-color: var(--primary-light);
  border: 1px solid var(--primary);
  color: #6ee7b7;
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom, 20px) + 20px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #1e293b;
  border: 1px solid var(--primary);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}

.hidden {
  display: none !important;
}