/* ===== FREE PDF WORKER - STYLES ===== */
/* Color Scheme: White, Gray, Blue Accents - Easy on the eyes */

:root {
  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  /* Text */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  /* Borders */
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  
  /* Accent - Soft Blue */
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --accent-dark: #2563eb;
  --accent-bg: rgba(59, 130, 246, 0.08);
  
  /* Status */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
  
  /* Typography */
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  /* Transitions */
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
}
/* Header compact style */
.header {
  padding: 0.5rem 0;
  margin-bottom: 1.5rem;
}

.header .container {
  padding-top: 0;
  padding-bottom: 0;
  display: flex;
  justify-content: center;
}

.header .nav {
  display: flex;
  align-items: center;
  justify-content: center;
}


.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

main {
  padding-top: 0;
}

main .container {
  padding-top: 1rem;
}





/* ===== RESET ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Subtle grid pattern background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ===== HEADER ===== */
header {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-top: 0.5rem;
}

.logo {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  color: var(--accent);
}

.logo-icon {
  width: 2.25em;
  height: 2.25em;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo-icon svg {
  width: 1.25em;
  height: 1.25em;
}

.logo span.accent {
  color: var(--accent);
}

h1 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* Features list */
.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.features span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.features span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

/* ===== NAVIGATION TABS ===== */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.tab-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.tab-btn svg {
  width: 16px;
  height: 16px;
}

/* ===== TOOLS GRID ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-decoration: none;
  transition: var(--transition-slow);
  display: block;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.tool-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: var(--accent);
  transition: var(--transition);
}

.tool-card:hover .tool-card-icon {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.tool-card-icon svg {
  width: 22px;
  height: 22px;
}

.tool-card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.tool-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: var(--radius-sm);
  margin-top: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ===== TOOL PAGE STYLES ===== */
.tool-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.tool-header {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.tool-header-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tool-header-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tool-header-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

/* ===== DROP ZONE ===== */
.drop-zone {
  padding: 3rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px dashed var(--border);
  margin: 1.5rem;
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.drop-zone-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: var(--transition);
}

.drop-zone:hover .drop-zone-icon {
  border-color: var(--accent);
  transform: scale(1.05);
}

.drop-zone-icon svg {
  width: 32px;
  height: 32px;
}

.drop-zone h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.drop-zone p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.drop-zone input {
  display: none;
}

.drop-zone-formats {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.format-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ===== PANELS ===== */
.panel {
  padding: 1.5rem;
  display: none;
}

.panel.active {
  display: block;
}

.hidden {
  display: none !important;
}

/* ===== FILE LIST ===== */
.file-list {
  margin-bottom: 1.5rem;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

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

.file-item.dragging {
  opacity: 0.5;
  border-style: dashed;
}

.file-thumb {
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.file-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-thumb svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  margin-top: 0.2rem;
}

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

.file-action-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.file-action-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.file-action-btn.delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.file-action-btn svg {
  width: 16px;
  height: 16px;
}

/* ===== CONTROLS ===== */
.controls {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.controls-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.control-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.control-group {
  flex: 1;
  min-width: 180px;
}

.control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
}

.control-label span:first-child {
  color: var(--text-secondary);
  font-weight: 500;
}

.control-label span:last-child {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

/* Range Slider */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg-card);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

/* Select */
.select-wrapper {
  position: relative;
}

.select-wrapper select {
  width: 100%;
  padding: 0.6rem 2rem 0.6rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  transition: var(--transition);
}

.select-wrapper select:hover {
  border-color: var(--border-hover);
}

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

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-muted);
  pointer-events: none;
}

/* Input */
input[type="text"],
input[type="number"],
input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: var(--transition);
}

input:hover {
  border-color: var(--border-hover);
}

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

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: scale(0.98);
}

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

.btn-secondary:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-bg);
}

.btn-success {
  background: var(--success);
  color: white;
  border: none;
}

.btn-success:hover {
  background: #059669;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== ACTION BUTTONS ===== */
.action-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== PROGRESS ===== */
.progress-container {
  margin-bottom: 1.5rem;
}

.progress-bar {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== PREVIEW ===== */
.preview-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.preview-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.preview-info {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.preview-content {
  padding: 1.5rem;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-content img,
.preview-content canvas {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
}

/* ===== PDF PAGES GRID ===== */
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.page-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: grab;
  transition: var(--transition);
}

.page-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.page-item.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-bg);
}

.page-item canvas {
  width: 100%;
  aspect-ratio: 0.707;
  object-fit: contain;
  display: block;
}

.page-number {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border-radius: var(--radius-sm);
}

.page-checkbox {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.page-delete {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 24px;
  height: 24px;
  background: rgba(239, 68, 68, 0.9);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: var(--transition);
}

.page-item:hover .page-delete {
  opacity: 1;
}

.page-delete svg {
  width: 14px;
  height: 14px;
}

/* ===== STATS ===== */
.stats-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-value.success {
  color: var(--success);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== WHY SECTION ===== */
.why-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 1.5rem;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.why-item {
  text-align: center;
  padding: 1rem;
}

.why-item-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  background: var(--accent-bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.why-item-icon svg {
  width: 24px;
  height: 24px;
}

.why-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.why-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== FAQ SECTION ===== */
.faq-section {
  margin-bottom: 2rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-secondary);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-content {
  padding: 0 1.25rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== RELATED TOOLS ===== */
.related-section {
  margin-top: 3rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.related-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.related-card-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.related-card-icon svg {
  width: 18px;
  height: 18px;
}

.related-card span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--accent);
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success {
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left: 3px solid var(--error);
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  color: var(--success);
}

.toast.error .toast-icon {
  color: var(--error);
}

.toast-message {
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: #64748b;
  font-weight: 500;
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  color: #64748b;
}

.breadcrumb-current {
  color: #1e293b;
  font-weight: 600;
}

/* ===== LOADING ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .tool-card {
    padding: 1rem;
  }
  
  .tool-card p {
    display: none;
  }
  
  .features {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .tabs {
    gap: 0.35rem;
  }
  
  .tab-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .drop-zone {
    padding: 2rem 1rem;
    margin: 1rem;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .btn-block-mobile {
    width: 100%;
  }
  
  .stats-row {
    flex-direction: column;
  }
  
  .control-row {
    flex-direction: column;
    gap: 1rem;
  }
  
  .pages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .why-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-card p {
    display: block;
  }
  
  .pages-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
}

/* ===== HOW IT WORKS SECTION ===== */
.how-it-works {
  padding: 4rem 0;
  background: var(--bg-secondary);
  margin-top: 3rem;
}

.how-it-works .section-title {
  text-align: center;
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.how-it-works .section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.steps-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0 auto 1rem;
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  color: var(--text-primary);
}

.step-icon svg {
  width: 100%;
  height: 100%;
}

.step h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.step-arrow {
  width: 40px;
  height: 40px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 60px;
}

.step-arrow svg {
  width: 24px;
  height: 24px;
}

.tech-note {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  max-width: 700px;
  margin: 3rem auto 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.tech-note-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--success);
}

.tech-note-icon svg {
  width: 100%;
  height: 100%;
}

.tech-note-content strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.tech-note-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 768px) {
  .steps-container {
    flex-direction: column;
    align-items: center;
  }
  
  .step-arrow {
    transform: rotate(90deg);
    margin: 0;
  }
  
  .tech-note {
    flex-direction: column;
    text-align: center;
  }
  
  .tech-note-icon {
    margin: 0 auto;
  }
}

/* ===== PRINT STYLES ===== */
/* Upload Area */
.upload-area {
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--accent);
}

.upload-area.dragover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

@media print {
  body::before,
  header,
  footer,
  .tabs,
  .action-buttons,
  .drop-zone {
    display: none !important;
  }
}

/* Related Tools Section */
.related-tools {
  margin-top: 3rem;
  padding: 2rem;
  background: #f9fafb;
  border-radius: 12px;
  text-align: center;
}

.related-tools h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
}

.related-links a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.related-links a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}