:root {
  color-scheme: light dark;

  /* Modern color palette */
  --bg-primary: #e4e9f5;
  --bg-secondary: #d9e3f2;
  --bg-tertiary: #c7d4eb;
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --border-light: #e2e8f0;
  --border: #cbd5e1;
  --border-dark: #94a3b8;

  /* Brand colors */
  --primary: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --primary-bg: #eff6ff;
  --primary-border: #93c5fd;

  /* Status colors */
  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #6ee7b7;

  --error: #ef4444;
  --error-bg: #fef2f2;
  --error-border: #fca5a5;

  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-border: #fcd34d;

  --info: #06b6d4;
  --info-bg: #ecfeff;
  --info-border: #67e8f9;

  /* Text colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --surface: #1e293b;
    --surface-hover: #334155;
    --border-light: #334155;
    --border: #475569;
    --border-dark: #64748b;

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;

    --primary-bg: #1e3a8a;
    --success-bg: #064e3b;
    --error-bg: #7f1d1d;
    --warning-bg: #92400e;
    --info-bg: #164e63;

    /* Section-specific colors for dark mode */
    --section-benefits: #1a2332;
    --section-arguments: #1e2a3a;
    --section-faq: #1f2d3e;
    --section-impact: #1a2332;
    --section-examples: #1e2a3a;
    --section-questions: #1f2d3e;

    /* Collection item colors for better distinction */
    --collection-item-bg: #2a3441;
    --collection-item-bg-alt: #2d3748;
    --collection-item-hover: #374151;
    --collection-item-border: #4a5568;
  }
}

* {
  box-sizing: border-box;
}

*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Dashboard Layout */
.dashboard {
  display: grid;
  grid-template-columns: 380px 1fr;
  min-height: 100vh;
  max-height: 100vh;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner-circle {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-light);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Sidebar */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

.logo-section {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.sidebar-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.btn-create {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 16px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.btn-create:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-create:active {
  transform: translateY(0);
}

.sidebar-controls {
  padding: 20px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
}

.search-section {
  margin-bottom: 16px;
}

.search-wrapper {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px 14px 44px;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text-primary);
  transition: var(--transition);
  font-weight: 500;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
  outline: none;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.filter-select {
  width: 100%;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
  outline: none;
}

.measures-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.measures-header {
  padding: 12px 20px 10px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
}

.measures-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.measure-list {
  flex: 1;
  padding: 0 24px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.measure-item {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 12px 20px;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 1px solid var(--border-light);
}

.measure-item:hover {
  background: var(--surface-hover);
}

.measure-item.active {
  background: var(--primary-bg);
  border-left: 3px solid var(--primary);
}

.measure-item .title {
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.4;
}

.measure-item.active .title {
  color: var(--primary);
  font-weight: 600;
}

/* Main Area */
.main-area {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.main-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}

.main-title {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.025em;
}

.category-selector {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  min-width: 200px;
}

.category-selector:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
  outline: none;
}

/* Tabs */
.progress-tabs {
  display: flex;
  padding: 0 32px;
  background: var(--bg-secondary);
}

.tab-btn {
  background: none;
  border: none;
  padding: 16px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

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

.tab-btn.active {
  color: var(--primary);
  background: var(--surface);
}

.tab-btn:focus {
  outline: none;
}

.tab-btn i {
  font-size: 16px;
}

.sidebar-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-light);
  background: var(--surface);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle i {
  font-size: 16px;
}

.sidebar-toggle:hover {
  background: var(--surface-hover);
  box-shadow: var(--shadow-md);
}

.sidebar-overlay {
  display: none;
}

body.sidebar-open {
  overflow: hidden;
}

.tab-btn .tab-label-mobile {
  display: none;
}

/* Form Content */
#measure-form {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  padding-bottom: 120px; /* Space for floating actions */
  padding-bottom: calc(120px + env(safe-area-inset-bottom));
}

.tab-content {
  display: none;
  opacity: 0;
  transition: opacity 0.2s ease-out;
}

.tab-content.active {
  display: block;
  opacity: 1;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Cards */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  margin-bottom: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.form-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}

/* Subtle form card variations for dark mode */
@media (prefers-color-scheme: dark) {
  .form-card:nth-child(odd) {
    background: #1f2937;
    border-color: #374151;
  }

  .form-card:nth-child(even) {
    background: #1e293b;
    border-color: #334155;
  }

  .form-card:hover {
    background: #2a3441;
    border-color: #475569;
  }
}

.card-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

.card-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-header h2 i {
  color: var(--primary);
  font-size: 1.1rem;
}

.card-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.card-body {
  padding: 28px;
}

/* Form Fields */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field-group.row-layout {
  flex-direction: row;
  gap: 24px;
}

.field-group.row-layout .field {
  flex: 1;
}

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

.collection-item .field:not(:last-child) {
  margin-bottom: 24px;
}

.field.required label::after {
  content: " *";
  color: var(--error);
  font-weight: 700;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.field input,
.field select,
.field textarea {
  border: 2px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  resize: vertical;
  font-family: inherit;
  width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
  outline: none;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--border);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* Tags */
.tags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.tag-chip {
  position: relative;
}

.tag-chip input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tag-chip label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0;
}

.tag-chip label:hover {
  border-color: var(--border);
  color: var(--text-primary);
}

.tag-chip input:checked + label {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.tag-chip label i {
  font-size: 16px;
  width: 18px;
  text-align: center;
}

/* Collections */
.collection-container {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 20px;
}

/* Section-specific collection container colors for dark mode */
@media (prefers-color-scheme: dark) {
  .collection-container[data-section="benefits"] {
    background: var(--section-benefits);
  }

  .collection-container[data-section="arguments"] {
    background: var(--section-arguments);
  }

  .collection-container[data-section="faq"] {
    background: var(--section-faq);
  }

  .collection-container[data-section="impact"] {
    background: var(--section-impact);
  }

  .collection-container[data-section="examples"] {
    background: var(--section-examples);
  }

  .collection-container[data-section="questions"] {
    background: var(--section-questions);
  }
}

.collection {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

.collection:empty {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
}

.collection:empty::before {
  content: 'Nu există încă elemente. Apasă "Adaugă" pentru a crea primul element.';
}

.collection-item {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px 20px 20px 40px; /* Extra left padding for drag handle */
  position: relative;
  transition: var(--transition);
}

.collection-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

/* Enhanced collection item colors for dark mode */
@media (prefers-color-scheme: dark) {
  .collection-item {
    background: var(--collection-item-bg);
    border-color: var(--collection-item-border);
  }

  .collection-item:nth-child(even) {
    background: var(--collection-item-bg-alt);
  }

  .collection-item:hover {
    background: var(--collection-item-hover);
    border-color: var(--border);
  }
}

.remove-btn-corner {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
}

.field-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.field-with-remove {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.field-content {
  flex: 1;
}

.field-with-remove .remove-btn {
  margin-bottom: 0;
  align-self: flex-end;
}

.remove-btn {
  width: 32px;
  height: 32px;
  border: 2px solid var(--error-border);
  background: var(--error-bg);
  color: var(--error);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.remove-btn:hover {
  background: var(--error);
  color: white;
  transform: scale(1.05);
}

.collection-controls {
  display: flex;
  justify-content: flex-end;
}

.btn-add {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-add:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Floating Actions */
.floating-actions {
  position: fixed;
  bottom: 0;
  right: 0;
  left: 380px;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  padding: 20px 32px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

.action-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.btn-primary,
.btn-danger,
.btn-secondary {
  border: none;
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 140px;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.btn-primary:focus,
.btn-danger:focus,
.btn-secondary:focus {
  outline: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary i,
.btn-danger i,
.btn-secondary i {
  display: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:disabled,
.btn-danger:disabled,
.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Status Messages */
.status-message {
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.status-message::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 1.1rem;
}

.status-message[data-variant="success"] {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.status-message[data-variant="success"]::before {
  content: "\f00c";
}

.status-message[data-variant="error"] {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
}

.status-message[data-variant="error"]::before {
  content: "\f06a";
}

.status-message[data-variant="info"] {
  background: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

.status-message[data-variant="info"]::before {
  content: "\f05a";
}

.status-message[data-variant="warning"] {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.status-message[data-variant="warning"]::before {
  content: "\f071";
}

.status-message:empty {
  display: none;
}

.status-message {
  animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1200px) {
  .dashboard {
    grid-template-columns: 320px 1fr;
  }

  .floating-actions {
    left: 320px;
  }

  #measure-form {
    padding: 24px;
    padding-bottom: 120px;
  }

  .header-content {
    padding: 14px 20px;
  }

  .progress-tabs {
    padding: 0 24px;
  }
}

@media (max-width: 1024px) {
  .dashboard {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    max-height: none;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(88vw, 340px);
    max-width: 360px;
    transform: translateX(-105%);
    transition: transform 0.25s ease;
    background: var(--surface);
    border-right: 1px solid var(--border-light);
    border-bottom: none;
    box-shadow: var(--shadow-lg);
    z-index: 120;
    overflow-y: auto;
    max-height: none;
    padding-top: calc(env(safe-area-inset-top) + 16px);
    padding-bottom: calc(32px + env(safe-area-inset-bottom));
  }

  .main-area {
    overflow: visible;
  }

  .floating-actions {
    left: 0;
  }

  .sidebar-toggle {
    display: inline-flex;
    align-items: center;
    margin: 12px 14px 0;
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 110;
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  body.sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .main-title {
    font-size: 1.5rem;
  }

  .header-content {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
  }

  .category-selector {
    min-width: auto;
  }

  .field-group.row-layout {
    flex-direction: column;
    gap: 20px;
  }

  .tags-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
  }

  .action-buttons {
    flex-direction: column-reverse;
    gap: 12px;
  }

  .btn-primary,
  .btn-danger {
    min-width: auto;
    width: 100%;
    padding: 10px 12px;
  }
}

@media (max-width: 768px) {
  .sidebar-header,
  .sidebar-controls,
  .measures-header {
    padding: 0;
  }

  .measure-list {
    padding: 0;
  }

  .measure-item {
    padding: 12px;
  }

  #measure-form {
    padding: 0;
    padding-bottom: calc(32px + env(safe-area-inset-bottom));
    flex: none;
    overflow: visible;
  }

  .header-content {
    padding: 0;
  }

  .progress-tabs {
    padding: 0;
  }

  .card-header,
  .card-body {
    padding: 12px;
  }

  .main-title {
    font-size: 1.25rem;
  }

  .tab-btn {
    padding: 10px 12px;
    font-size: 0.85rem;
    justify-content: center;
    gap: 8px;
  }

  .tab-btn i {
    display: none;
  }

  .tab-btn .tab-label-desktop {
    display: none;
  }

  .tab-btn .tab-label-mobile {
    display: inline;
    font-weight: 600;
  }

  .floating-actions {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    padding: 12px 16px;
    padding-bottom: 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    margin-top: 24px;
  }

  /* Prevent zoom on iOS */
  .search-input,
  .filter-select,
  .field input,
  .field select,
  .field textarea {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .sidebar-header {
    text-align: center;
  }

  .logo-section {
    justify-content: center;
  }

  .sidebar-header h1 {
    font-size: 1.25rem;
  }

  .main-title {
    font-size: 1.1rem;
    text-align: center;
  }

  .tags-grid {
    grid-template-columns: 1fr;
  }

  .collection-container {
    padding: 16px;
  }

  .collection-item {
    padding: 16px 16px 16px 36px; /* Extra left padding for drag handle on mobile */
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border: #000;
    --border-light: #333;
    --primary: #0000ff;
    --text-primary: #000;
    --bg-primary: #fff;
    --surface: #fff;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .btn-primary:hover,
  .btn-danger:hover,
  .btn-add:hover {
    transform: none;
  }
}

/* Reorder Controls */
.reorder-controls {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 10;
}

.move-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  width: 24px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
  font-size: 10px;
  padding: 0;
}

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

.move-btn:active {
  background: var(--primary);
  color: var(--text-inverse);
  transform: scale(0.95);
}

.move-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: var(--bg-secondary);
  border-color: var(--border-light);
  color: var(--text-muted);
}

.move-btn:disabled:hover {
  background: var(--bg-secondary);
  border-color: var(--border-light);
  color: var(--text-muted);
  transform: none;
}

/* Enhanced arrow colors for dark mode */
@media (prefers-color-scheme: dark) {
  .move-btn {
    color: #fbbf24; /* Yellow-400 */
    border-color: #f59e0b; /* Yellow-500 */
    background: #1f2937; /* Darker background for contrast */
  }

  .move-btn:hover {
    color: #f59e0b; /* Yellow-500 - brighter on hover */
    background: #374151; /* Slightly lighter background */
    border-color: #f59e0b; /* Yellow-500 */
  }

  .move-btn:active {
    color: #d97706; /* Yellow-600 - darker when pressed */
    background: #4b5563; /* Even lighter background */
    border-color: #d97706; /* Yellow-600 */
  }

  .move-btn:disabled {
    color: #6b7280; /* Gray-500 - muted for disabled state */
    background: var(--bg-secondary);
    border-color: var(--border-light);
    opacity: 0.4;
  }

  .move-btn:disabled:hover {
    color: #6b7280; /* Gray-500 - keep muted on hover when disabled */
    background: var(--bg-secondary);
    border-color: var(--border-light);
    transform: none;
  }
}

/* Show reorder controls on hover */
.collection-item .reorder-controls {
  opacity: 0.6;
}

.collection-item:hover .reorder-controls {
  opacity: 1;
}

/* Enhanced reorder controls visibility for dark mode */
@media (prefers-color-scheme: dark) {
  .collection-item .reorder-controls {
    opacity: 0.8; /* More visible by default in dark mode */
  }

  .collection-item:hover .reorder-controls {
    opacity: 1;
  }
}

/* Mobile improvements */
@media (max-width: 768px) {
  .reorder-controls {
    left: 4px;
  }

  .move-btn {
    width: 28px;
    height: 22px;
    font-size: 11px;
  }

  .collection-item .reorder-controls {
    opacity: 1; /* Always visible on mobile */
  }
}