/* ============================================
   Tool Page Specific Styles
   ============================================ */

/* Tool Page Layout */
.tool-page {
  padding: 32px 0 60px;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* Tool Workspace */
.tool-workspace {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.tool-workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.tool-workspace-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.tool-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Tool Input/Output Areas */
.tool-input-area,
.tool-output-area {
  position: relative;
}

.tool-textarea {
  width: 100%;
  min-height: 200px;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
  outline: none;
}

.tool-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

.tool-textarea.output {
  background: var(--bg-tertiary);
  cursor: default;
}

/* Tool Controls Row */
.tool-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.tool-controls .btn {
  min-width: 100px;
}

/* Tool Info Box */
.tool-info {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.tool-info h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-info p {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.tool-info ul {
  list-style: disc;
  margin-left: 20px;
}

.tool-info ul li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.5;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 16px 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* File Upload / Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--bg-secondary);
  position: relative;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.drop-zone-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  color: var(--text-tertiary);
}

.drop-zone h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.drop-zone p {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

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

/* Preview Area */
.preview-area {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-area img {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-sm);
}

.preview-area canvas {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

/* Settings Panel */
.settings-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.setting-item label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.setting-item input,
.setting-item select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  background: var(--bg-card);
  color: var(--text-primary);
  outline: none;
}

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

/* Slider */
.slider-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-container input[type="range"] {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.slider-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  min-width: 40px;
  text-align: center;
}

/* Code Block */
.code-block {
  position: relative;
  background: var(--secondary);
  color: #E5E7EB;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.code-block .copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  background: rgba(255,255,255,0.1);
  color: #9CA3AF;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-block .copy-code-btn:hover {
  background: rgba(255,255,255,0.2);
  color: white;
}

/* Related Tools */
.related-tools {
  margin-top: 40px;
}

.related-tools h3 {
  margin-bottom: 20px;
  font-size: 1.15rem;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* option cards group (for converters etc) */
.option-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.option-card {
  padding: 8px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}

.option-card:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.option-card.active {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
}

/* Keyboard Tester Specific */
.keyboard-display {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  align-items: center;
}

.keyboard-row {
  display: flex;
  gap: 4px;
}

.key {
  min-width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}

.key.pressed {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(0.95);
}

.key.was-pressed {
  background: var(--primary-bg);
  border-color: var(--primary-light);
  color: var(--primary);
}

.key-space { min-width: 240px; }
.key-wide { min-width: 66px; }
.key-wider { min-width: 88px; }
.key-widest { min-width: 110px; }

/* Typing Test Specific */
.typing-text-display {
  font-size: 1.2rem;
  line-height: 2;
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-family: 'Courier New', monospace;
  margin-bottom: 16px;
  min-height: 120px;
}

.typing-text-display .char {
  display: inline;
  transition: color 0.1s;
}

.typing-text-display .char.correct {
  color: var(--accent);
}

.typing-text-display .char.incorrect {
  color: #EF4444;
  text-decoration: underline;
}

.typing-text-display .char.current {
  background: rgba(37, 99, 235, 0.15);
  border-bottom: 2px solid var(--primary);
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin: 12px 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

/* QR Code output */
.qr-output {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.qr-output canvas,
.qr-output img {
  border: 8px solid white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Password strength meter */
.strength-meter {
  display: flex;
  gap: 4px;
  margin: 8px 0;
}

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  transition: background var(--transition-fast);
}

.strength-meter.weak .strength-bar:nth-child(1) { background: #EF4444; }
.strength-meter.fair .strength-bar:nth-child(-n+2) { background: #F59E0B; }
.strength-meter.good .strength-bar:nth-child(-n+3) { background: #3B82F6; }
.strength-meter.strong .strength-bar { background: var(--accent); }

.strength-label {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}

/* Two Column Tool Layout */
.tool-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Responsive - Tool Pages */
@media (max-width: 768px) {
  .tool-workspace {
    padding: 20px 16px;
  }

  .tool-textarea {
    min-height: 150px;
    font-size: 0.85rem;
  }

  .tool-two-col {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    gap: 12px;
  }

  .stat-item {
    min-width: 60px;
  }

  .keyboard-display {
    padding: 10px;
  }

  .key {
    min-width: 28px;
    height: 34px;
    font-size: 0.65rem;
  }

  .key-space { min-width: 140px; }
  .key-wide { min-width: 44px; }
  .key-wider { min-width: 56px; }
  .key-widest { min-width: 70px; }

  .settings-panel {
    flex-direction: column;
    gap: 12px;
  }

  .related-tools-grid {
    grid-template-columns: 1fr;
  }

  .tool-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-controls .btn {
    min-width: auto;
  }

  .drop-zone {
    padding: 32px 16px;
  }
}