/* ==========================================================================
   INVOQRA — WORKSPACE & GENERATOR STYLESHEET
   ========================================================================== */

.generator-section {
  padding: 2.5rem 0 5rem;
}

/* Toolbar Header */
.generator-toolbar {
  background-color: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 1.25rem;
}

.toolbar-title h2 {
  font-size: 1.35rem;
  line-height: 1.1;
}

.tagline-sm {
  font-size: 0.8rem;
  color: var(--slate-500);
  font-weight: 500;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-700);
}

.form-select-sm {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--slate-300);
  background-color: var(--slate-50);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-800);
  cursor: pointer;
}

/* Color Palette Dots */
.color-presets {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.color-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--slate-300);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.color-dot:hover {
  transform: scale(1.15);
}

.color-dot.active {
  box-shadow: 0 0 0 2px var(--slate-900);
  transform: scale(1.1);
}

.custom-color-wrapper {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--slate-600);
  cursor: pointer;
  border: 1px solid var(--slate-300);
}

.custom-color-wrapper input[type="color"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Workspace Split Grid */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-card {
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

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

/* Form Fields & Utility Classes */
.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.col-12 { width: 100%; }
.form-group.col-6 { width: 50%; }
.form-group.col-4 { width: 33.333%; }

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
}

.required {
  color: var(--danger);
}

.form-control, .form-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  color: var(--slate-800);
  background-color: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control.is-invalid {
  border-color: var(--danger);
  background-color: #fef2f2;
}

.invalid-feedback {
  font-size: 0.775rem;
  color: var(--danger);
  min-height: 1rem;
}

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-addon, .input-group-text {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
  background-color: var(--slate-100);
  border: 1px solid var(--slate-300);
  color: var(--slate-700);
  padding: 0 0.85rem;
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Logo Dropzone */
.logo-upload-group {
  margin-bottom: 1.25rem;
}

.logo-dropzone {
  border: 2px dashed var(--slate-300);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  background-color: var(--slate-50);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.logo-dropzone:hover, .logo-dropzone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.logo-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  color: var(--slate-600);
}

.logo-icon-upload {
  font-size: 1.8rem;
  color: var(--primary);
}

.logo-prompt span {
  font-weight: 600;
  font-size: 0.9rem;
}

.logo-prompt small {
  font-size: 0.775rem;
  color: var(--slate-400);
}

.logo-preview-box {
  position: relative;
  display: inline-block;
  max-width: 180px;
  max-height: 90px;
}

.logo-preview-box img {
  max-height: 80px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.logo-overlay-actions {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
}

.hidden-input {
  display: none;
}

/* Hide default browser number spinner arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  margin: 0 !important;
}

input[type="number"] {
  -moz-appearance: textfield !important;
  appearance: textfield !important;
}

/* Dynamic Line Items Editor Table */
.items-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.items-editor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 600px;
}

.items-editor-table th {
  background-color: var(--slate-100);
  color: var(--slate-700);
  padding: 0.75rem 0.6rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--slate-200);
}

.items-editor-table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--slate-200);
  vertical-align: top;
}

.items-editor-table input {
  padding: 0.5rem 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Specific styling for Qty input field */
.item-qty-input {
  min-width: 80px !important;
  width: 100% !important;
  text-align: center !important;
  padding-left: 0.4rem !important;
  padding-right: 0.4rem !important;
  font-weight: 600 !important;
  box-sizing: border-box !important;
}

.item-price-input {
  min-width: 95px !important;
  width: 100% !important;
  padding-left: 0.5rem !important;
  padding-right: 0.5rem !important;
  box-sizing: border-box !important;
}

@media (max-width: 576px) {
  .item-qty-input {
    min-width: 68px !important;
  }
  .item-price-input {
    min-width: 85px !important;
  }
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--slate-400);
  cursor: pointer;
  padding: 0.4rem;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.btn-remove-item:hover {
  color: var(--danger);
}

.item-line-total {
  font-weight: 600;
  color: var(--slate-900);
  display: block;
  padding-top: 0.45rem;
}

/* Right Column Live Preview */
.preview-column {
  position: relative;
}

.preview-sticky-wrapper {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.preview-header-bar {
  background-color: var(--slate-900);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.preview-quick-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.invoice-paper-wrapper {
  background-color: var(--slate-300);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  padding: 1.25rem;
  max-height: 82vh;
  min-height: 450px;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  box-shadow: var(--shadow-paper);
}

/* Custom Scrollbar for Live Preview Wrapper */
.invoice-paper-wrapper::-webkit-scrollbar {
  width: 8px;
}

.invoice-paper-wrapper::-webkit-scrollbar-track {
  background: var(--slate-200);
  border-radius: 4px;
}

.invoice-paper-wrapper::-webkit-scrollbar-thumb {
  background: var(--slate-400);
  border-radius: 4px;
}

.invoice-paper-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--slate-600);
}

/* Sticky Mobile Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #ffffff;
  border-top: 1px solid var(--slate-200);
  padding: 0.85rem 1.25rem;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
  z-index: 999;
  align-items: center;
  justify-content: space-between;
}

.sticky-info {
  display: flex;
  flex-direction: column;
}

.sticky-total-label {
  font-size: 0.75rem;
  color: var(--slate-500);
  text-transform: uppercase;
  font-weight: 600;
}

.sticky-total-val {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--slate-900);
}

/* Mobile Responsive Layout Switch */
@media (max-width: 992px) {
  .workspace-grid {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    gap: 1.5rem !important;
  }

  .preview-sticky-wrapper {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .mobile-sticky-bar {
    display: flex !important;
  }

  .generator-toolbar {
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  .toolbar-controls {
    width: 100% !important;
    justify-content: space-between !important;
  }
}

@media (max-width: 768px) {
  .generator-section {
    width: 100% !important;
    max-width: 100% !important;
    padding: 1.25rem 0 4rem !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .generator-toolbar {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0.85rem 1rem !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.85rem !important;
    box-sizing: border-box !important;
    margin-bottom: 1.25rem !important;
  }

  .toolbar-title {
    display: flex !important;
    align-items: baseline !important;
    justify-content: space-between !important;
    width: 100% !important;
  }

  .toolbar-controls {
    width: 100% !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.85rem !important;
  }

  .control-group {
    width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    font-size: 0.85rem !important;
  }

  .form-select-sm {
    max-width: 160px !important;
  }

  .color-presets {
    gap: 0.3rem !important;
  }

  .color-dot, .custom-color-wrapper {
    width: 24px !important;
    height: 24px !important;
  }

  .toolbar-actions {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
  }

  .toolbar-actions .btn {
    width: 100% !important;
    min-height: 44px !important;
    justify-content: center !important;
    font-size: 0.875rem !important;
    box-sizing: border-box !important;
  }

  .form-column, .preview-column {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-card, .card {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .card-body {
    padding: 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.85rem !important;
    margin-bottom: 0.85rem !important;
    width: 100% !important;
  }

  .form-group,
  .form-group.col-12,
  .form-group.col-6,
  .form-group.col-4 {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-control, .form-select {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 16px !important; /* Prevent iOS zoom */
    min-height: 44px !important;
    padding: 0.6rem 0.75rem !important;
  }

  .items-header-flex {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.65rem !important;
    margin-bottom: 0.85rem !important;
  }

  .items-header-flex .btn {
    width: 100% !important;
    min-height: 44px !important;
    justify-content: center !important;
  }

  /* Table Container Scrolling inside Card */
  .table-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border: 1px solid var(--slate-200) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 1rem !important;
    box-sizing: border-box !important;
  }

  .items-editor-table {
    width: 100% !important;
    min-width: 450px !important;
  }

  .item-qty-input {
    min-width: 50px !important;
  }

  .item-price-input {
    min-width: 65px !important;
  }

  /* Live Preview Column & Wrapper */
  .preview-sticky-wrapper {
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .preview-header-bar {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0.75rem 1rem !important;
  }

  .invoice-paper-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0.5rem 0.25rem !important;
    box-sizing: border-box !important;
    max-height: none !important;
    min-height: auto !important;
    overflow-y: visible !important;
    overflow-x: hidden !important;
  }

  /* Full-Width Mobile Sticky Bar fixed at bottom */
  .mobile-sticky-bar {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0.65rem 1rem !important;
    z-index: 9999 !important;
    background-color: #ffffff !important;
    border-top: 1px solid var(--slate-200) !important;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1) !important;
  }

  .mobile-sticky-bar .btn {
    min-height: 44px !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
  }
}

@media (max-width: 480px) {
  .generator-toolbar {
    padding: 0.75rem !important;
  }

  .card-header {
    padding: 0.85rem !important;
  }

  .card-header h3 {
    font-size: 1.05rem !important;
  }
}