/* ==========================================================================
   NissiTools - Specialized Tools Styling
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. House Floor Plan Generator & Construction Calculator
   -------------------------------------------------------------------------- */
.floor-plan-container {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .floor-plan-container {
    grid-template-columns: 1fr;
  }
}

.plan-sidebar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.plan-viewport {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  min-height: 600px;
  display: flex;
  flex-direction: column;
}

.plan-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.plan-canvas-wrapper {
  flex: 1;
  background-color: #0b1329;
  border-radius: var(--radius);
  border: 1px solid #1e293b;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}

#floorPlanSvg {
  width: 100%;
  height: 100%;
  max-height: 580px;
  background-color: #080e21;
}

.plan-compass {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #38bdf8;
  font-weight: 800;
  font-size: 0.75rem;
  pointer-events: none;
}

.plan-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

/* Floor Plan Alternatives Selector */
.plan-options-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.plan-option-btn {
  border: 1px solid var(--border-color);
  background-color: var(--bg-muted);
  padding: 0.6rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition-fast);
}

.plan-option-btn:hover, .plan-option-btn.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* Construction Calculator Cards */
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.material-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.material-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.material-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.material-qty {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-mono);
  margin-bottom: 0.25rem;
}

.material-cost-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   2. Signature Maker
   -------------------------------------------------------------------------- */
.signature-workspace {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
}

@media (max-width: 868px) {
  .signature-workspace {
    grid-template-columns: 1fr;
  }
}

.signature-canvas-container {
  background-color: #ffffff;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  height: 320px;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.05);
}

#signaturePad {
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

.signature-baseline {
  position: absolute;
  bottom: 60px;
  left: 20px;
  right: 20px;
  height: 1px;
  border-bottom: 1px dashed #cbd5e1;
  pointer-events: none;
}

.signature-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.color-palette {
  display: flex;
  gap: 0.5rem;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.color-swatch:hover, .color-swatch.active {
  transform: scale(1.15);
  border-color: var(--primary);
}

/* Typed Signature Fonts */
.typed-sig-previews {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-height: 400px;
  overflow-y: auto;
}

.typed-sig-card {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background-color: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.typed-sig-card:hover, .typed-sig-card.selected {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.sig-font-1 { font-family: 'Brush Script MT', cursive, sans-serif; font-size: 2rem; }
.sig-font-2 { font-family: 'Segoe Script', 'Bradley Hand', cursive; font-size: 1.8rem; }
.sig-font-3 { font-family: 'Lucida Handwriting', cursive; font-size: 1.6rem; }
.sig-font-4 { font-family: 'Dancing Script', 'Snell Roundhand', cursive; font-size: 1.8rem; }

/* --------------------------------------------------------------------------
   3. QR Code & Barcode Tools
   -------------------------------------------------------------------------- */
.qr-preview-box {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  box-shadow: var(--shadow);
}

#qrCanvas, #barcodeSvg {
  max-width: 100%;
}

.scanner-viewport {
  width: 100%;
  max-width: 480px;
  height: 320px;
  background-color: #000000;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  margin: 0 auto;
}

#scannerVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scanner-laser {
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 2px;
  background-color: #ef4444;
  box-shadow: 0 0 8px #ef4444;
  animation: scanLaser 2s infinite ease-in-out;
}

@keyframes scanLaser {
  0%, 100% { top: 20%; }
  50% { top: 80%; }
}

/* --------------------------------------------------------------------------
   4. Image Processing Tools
   -------------------------------------------------------------------------- */
.image-preview-stage {
  max-width: 100%;
  max-height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-muted);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 1.25rem 0;
  border: 1px solid var(--border-color);
}

.image-preview-stage img {
  max-width: 100%;
  max-height: 420px;
  object-fit: contain;
}

.passport-guides {
  position: relative;
  border: 2px dashed #2563eb;
  width: 200px;
  height: 250px;
  margin: 0 auto;
  border-radius: 4px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   5. Text Difference & Comparison Tool
   -------------------------------------------------------------------------- */
.diff-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .diff-container {
    grid-template-columns: 1fr;
  }
}

.diff-panel {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background-color: var(--bg-card);
  overflow: hidden;
}

.diff-header {
  padding: 0.65rem 1rem;
  background-color: var(--bg-muted);
  font-weight: 700;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.diff-output {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 250px;
  white-space: pre-wrap;
  line-height: 1.5;
}

.diff-added {
  background-color: rgba(16, 185, 129, 0.2);
  color: #065f46;
  padding: 2px 4px;
  border-radius: 2px;
}

.diff-removed {
  background-color: rgba(239, 68, 68, 0.2);
  color: #991b1b;
  text-decoration: line-through;
  padding: 2px 4px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   6. PDF List & Page Manipulation
   -------------------------------------------------------------------------- */
.pdf-file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.pdf-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background-color: var(--bg-card);
}

.pdf-file-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pdf-file-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.pdf-file-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}