/* Article/Tool Page Specific Styles */

/* Tool Header */
.tool-header {
  padding: 2rem 0;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  position: relative;
  overflow: hidden;
}

.tool-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.tool-info {
  display: flex;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.tool-icon-large {
  font-size: 4rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  flex-shrink: 0;
}

.tool-details {
  flex: 1;
}

.tool-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.tool-description {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  opacity: 0.9;
  line-height: 1.6;
  color: white !important;
}

.tool-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  opacity: 0.8;
}

.tool-category {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius);
  font-weight: 500;
}

.tool-separator {
  opacity: 0.6;
}

.tool-actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

/* Tool Interface */
.tool-interface {
  padding: 3rem 0;
  min-height: 60vh;
}

.tool-workspace {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.loading-state .spinner {
  margin-bottom: 1rem;
}

/* Tool Content Layouts */
.tool-layout-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
}

.tool-layout-single {
  padding: 2rem;
}

.tool-layout-tabs {
  display: flex;
  flex-direction: column;
}

/* Input/Output Areas */
.input-area,
.output-area {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-right: 1px solid var(--border-color);
}

.output-area {
  border-right: none;
  border-left: 1px solid var(--border-color);
  background-color: var(--surface-color);
}

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

.area-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.area-actions {
  display: flex;
  gap: 0.5rem;
}

.area-btn {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border-color);
  background: var(--background-color);
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

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

/* Text Areas and Inputs */
.tool-textarea,
.tool-input {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  resize: vertical;
  transition: var(--transition);
}

.tool-textarea {
  min-height: 300px;
  flex: 1;
}

.tool-textarea:focus,
.tool-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.tool-textarea.readonly {
  background-color: var(--surface-color);
  cursor: default;
}

/* Tool Controls */
.tool-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.tool-controls.vertical {
  flex-direction: column;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  min-width: 60px;
  border-top: none;
  border-bottom: none;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

/* Tool Options */
.tool-options {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.option-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.option-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Tabs */
.tool-tabs {
  display: flex;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  padding: 1rem 1.5rem;
  border: none;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(37, 99, 235, 0.05);
}

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

.tab-content {
  display: none;
  padding: 2rem;
}

.tab-content.active {
  display: block;
}

/* File Upload Area */
.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--primary-color);
  background-color: rgba(37, 99, 235, 0.05);
}

.file-upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.file-upload-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.file-upload-input {
  display: none;
}

/* Tool Instructions */
.tool-instructions {
  padding: 3rem 0;
  background-color: var(--surface-color);
}

.instructions-content {
  max-width: 800px;
  margin: 0 auto;
}

.instructions-content h2 {
  margin-bottom: 2rem;
  text-align: center;
}

.instructions-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.instructions-content ol,
.instructions-content ul {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.instructions-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.instructions-content code {
  background-color: var(--background-color);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
}

.instructions-content pre {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.instructions-content pre code {
  background: none;
  border: none;
  padding: 0;
}

/* Related Tools */
.related-tools {
  padding: 3rem 0;
}

.related-tools .section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.related-tools .tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.related-tools .tool-card {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.related-tools .tool-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 768px) {
  .tool-info {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .tool-icon-large {
    font-size: 3rem;
    padding: 1rem;
  }

  .tool-title {
    font-size: 2rem;
  }

  .tool-actions {
    justify-content: center;
  }

  .tool-layout-split {
    grid-template-columns: 1fr;
  }

  .input-area,
  .output-area {
    border-right: none;
    border-left: none;
    border-bottom: 1px solid var(--border-color);
  }

  .output-area {
    border-bottom: none;
  }

  .tool-controls {
    flex-wrap: wrap;
  }

  .tool-options {
    flex-direction: column;
    gap: 1rem;
  }

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

@media (max-width: 480px) {
  .tool-header {
    padding: 1.5rem 0;
  }

  .tool-interface {
    padding: 2rem 0;
  }

  .tool-workspace {
    margin: 0 -1rem;
    border-radius: 0;
  }

  .input-area,
  .output-area {
    padding: 1rem;
  }

  .tool-textarea {
    min-height: 200px;
  }
}

/* Stats Grid for Word Counter */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  padding: 1rem;
  background: var(--surface-color);
  border-radius: var(--border-radius);
}

.stat-item {
  text-align: center;
  padding: 1rem;
  background: var(--background-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Text Diff Styles */
.diff-container {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  max-height: 400px;
  overflow-y: auto;
}

.diff-line {
  padding: 0.25rem 0.5rem;
  margin: 0.1rem 0;
  border-radius: 3px;
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-line.added {
  background-color: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--success-color);
  color: var(--success-color);
}

.diff-line.removed {
  background-color: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--error-color);
  color: var(--error-color);
}

.diff-line.unchanged {
  color: var(--text-secondary);
}

/* Color Picker Styles */
.color-input {
  width: 100px;
  height: 50px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
}

.color-preview {
  width: 100%;
  height: 100px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  background: #3366cc;
}

.color-values {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.color-value {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.color-value label {
  min-width: 50px;
  font-weight: 500;
  color: var(--text-primary);
}

.color-value-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-color);
}

/* Form Styles */
.form-input,
.form-select {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  background: var(--background-color);
  color: var(--text-primary);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-range {
  width: 100%;
  margin: 0.5rem 0;
}

/* Hash Generator Styles */
.hash-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hash-result {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hash-result label {
  min-width: 80px;
  font-weight: 500;
  color: var(--text-primary);
}

.hash-output {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-color);
  font-size: 0.875rem;
}

/* Timestamp Converter Styles */
.current-time {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.current-time span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-color);
}

.timestamp-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timestamp-result {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.timestamp-result label {
  min-width: 120px;
  font-weight: 500;
  color: var(--text-primary);
}

.timestamp-output {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-color);
  font-size: 0.875rem;
}

/* Regex Tester Styles */
.regex-flags {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.regex-flags label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.regex-match-count {
  font-weight: 600;
  color: var(--success-color);
  margin-bottom: 1rem;
}

.regex-no-match {
  color: var(--text-muted);
  font-style: italic;
  padding: 1rem;
  text-align: center;
}

.regex-match {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
}

.regex-highlighted {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.regex-highlighted pre {
  background: none;
  border: none;
  padding: 0;
  margin: 0.5rem 0 0 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.regex-highlighted mark {
  background-color: rgba(255, 235, 59, 0.3);
  color: var(--text-primary);
  padding: 0.1em 0.2em;
  border-radius: 2px;
  font-weight: 600;
}