/* ==========================================================================
   50 KB Converter - High Conversion & SEO Optimized Stylesheet
   Modern, Ultra-responsive, Mobile-First, Accessible, Dark Mode Support
   ========================================================================== */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.18);
  
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #93c5fd;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1140px;
}

body.dark-theme {
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.15);
  --primary-glow: rgba(59, 130, 246, 0.25);

  --bg-page: #0b0f19;
  --bg-surface: #111827;
  --bg-subtle: #1f2937;
  --border-color: #374151;
  --border-focus: #60a5fa;

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-light: #6b7280;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.text-center { text-align: center; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.d-none { display: none !important; }

/* Header & Navigation */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  text-decoration: none !important;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  color: var(--text-main);
  background: var(--border-color);
}

.dark-theme .icon-sun { display: block; }
.dark-theme .icon-moon { display: none; }
body:not(.dark-theme) .icon-sun { display: none; }
body:not(.dark-theme) .icon-moon { display: block; }

/* Hero Section */
.hero-section {
  padding: 3rem 0 2rem;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 1.5rem;
}

.trust-badges-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.trust-badge-item svg {
  color: var(--success);
}

/* Hero Showcase Image */
.hero-image-wrapper {
  max-width: 860px;
  margin: 0 auto 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.2), var(--shadow-xl);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  position: relative;
  transition: var(--transition);
}

.hero-image-wrapper:hover {
  transform: translateY(-3px);
  box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.28), var(--shadow-xl);
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* Tool Main Card */
.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

/* Controls Grid */
.tool-controls-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.control-group-title {
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

/* Size Pills */
.size-pills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.size-pill {
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
  color: var(--text-main);
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.size-pill:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.size-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px var(--primary-glow);
}

.custom-size-box {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.custom-input {
  width: 90px;
  padding: 0.45rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  outline: none;
}

.custom-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Format and Advanced Controls */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.setting-col label {
  display: block;
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.styled-select, .styled-input {
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.styled-select:focus, .styled-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  margin-top: 0.4rem;
  user-select: none;
}

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

/* Dimensions Row */
.dim-inputs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dim-inputs input {
  width: 80px;
}

/* Drop Zone Area */
.dropzone-container {
  border: 2px dashed #93c5fd;
  border-radius: var(--radius-md);
  padding: 3rem 1.5rem;
  background: var(--primary-light);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  position: relative;
}

.dark-theme .dropzone-container {
  border-color: #1e3a8a;
  background: rgba(30, 58, 138, 0.15);
}

.dropzone-container:hover, .dropzone-container.drag-over {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}

.dropzone-container.highlight-pulse {
  animation: pulseBorder 1s ease-in-out;
}

@keyframes pulseBorder {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.6); }
  50% { transform: scale(1.02); box-shadow: 0 0 0 15px rgba(37, 99, 235, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.dropzone-icon-box {
  width: 64px;
  height: 64px;
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}

.dropzone-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.dropzone-subtitle {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.btn-upload-trigger {
  background: var(--primary);
  color: #ffffff;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--primary-glow);
  transition: var(--transition);
}

.btn-upload-trigger:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.dropzone-formats-hint {
  font-size: 0.775rem;
  color: var(--text-light);
  margin-top: 0.85rem;
}

/* File Queue Section */
.queue-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.queue-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.queue-count {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
}

.queue-batch-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.btn-batch {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  transition: var(--transition);
}

.btn-batch-primary {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.btn-batch-primary:hover {
  background: #059669;
}

.btn-batch.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Queue Card Items */
.queue-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.queue-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.queue-card:hover {
  border-color: var(--border-focus);
}

.card-thumb-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

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

.pdf-icon-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--danger);
  font-size: 0.65rem;
  font-weight: 800;
}

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

.card-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.card-filename {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}

.status-badge {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

.badge-pending { background: var(--bg-surface); color: var(--text-muted); }
.badge-processing { background: #fef3c7; color: #b45309; }
.badge-completed { background: var(--success-light); color: var(--success); }
.badge-error { background: #fee2e2; color: var(--danger); }

.card-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-arrow {
  color: var(--text-light);
}

.reduction-badge {
  background: var(--success);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius-sm);
}

.progress-bar-wrapper {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  margin-top: 0.45rem;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 38px;
  padding: 0 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  transition: var(--transition);
  text-decoration: none !important;
}

.btn-download {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-download:hover {
  background: var(--primary-hover);
  color: #fff;
}

.btn-download.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-remove {
  width: 38px;
  padding: 0;
  color: var(--text-muted);
}

.btn-remove:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: #fee2e2;
}

/* Exam Presets Section */
.presets-section {
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 1.75rem;
}

.preset-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.preset-badge-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  text-decoration: none !important;
}

.preset-badge-btn:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.preset-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preset-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-target-kb {
  font-size: 0.8rem;
  font-weight: 800;
  background: #ecfdf5;
  color: #065f46;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.preset-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
}

.preset-dims {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preset-apply-hint {
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
}

/* Steps / How To Section */
.steps-section {
  padding: 3rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3.5rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-card {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-section {
  margin-bottom: 3.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-box h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.925rem;
  color: var(--text-muted);
}

/* Rich Content & SEO Articles Section */
.content-article-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 3.5rem;
}

.content-article-section h2 {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-main);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-color);
}

.content-article-section h2:first-child {
  margin-top: 0;
}

.content-article-section h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 1.5rem;
  margin-bottom: 0.65rem;
}

.content-article-section p {
  font-size: 0.975rem;
  color: var(--text-main);
  margin-bottom: 1.15rem;
  line-height: 1.7;
}

.content-article-section ul, .content-article-section ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.content-article-section li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.callout-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Responsive Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.styled-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.styled-table th {
  background: var(--bg-subtle);
  color: var(--text-main);
  font-weight: 800;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.styled-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.styled-table tr:last-child td {
  border-bottom: none;
}

/* FAQ Accordion Section */
.faq-section {
  margin-bottom: 4rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: transparent;
  border: none;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
}

.faq-chevron {
  transition: transform 0.3s ease;
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 1.25rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast-msg {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #1e293b;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  font-size: 0.875rem;
  font-weight: 600;
  animation: toastFadeIn 0.3s ease;
}

.toast-success { background: #065f46; color: #ecfdf5; border-left: 4px solid #10b981; }
.toast-warning { background: #78350f; color: #fef3c7; border-left: 4px solid #f59e0b; }
.toast-info { background: #1e293b; color: #fff; border-left: 4px solid var(--primary); }

.toast-close {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

@keyframes toastFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(12px); }
}

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 380px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive Media Queries */
@media (max-width: 768px) {
  .header-inner {
    height: 3.75rem;
  }
  .nav-links {
    display: none;
  }
  .hero-section {
    padding: 2rem 0 1.5rem;
  }
  .tool-card {
    padding: 1.25rem;
  }
  .dropzone-container {
    padding: 2rem 1rem;
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .queue-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .card-actions {
    width: 100%;
    justify-content: space-between;
    margin-top: 0.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}