/* ==========================================================================
   Zero PDF - Main Stylesheet (Light Mode - Instrument Sans & Tactile Craft)
   Strict compliance: WCAG 2.2 AA/AAA, 48px touch targets, mobile-first 390px.
   Brand rules: Zero emojis, zero text gradients, zero overused fonts.
   ========================================================================== */

@import url("./tokens.css");

/* 1. Reset & Global Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

/* Browser Surfaces Craft: Selection, Caret & Custom Scrollbars */
::selection {
  background-color: #dbeafe;
  color: #1e3a8a;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-canvas);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-tactile);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none !important;
  transform: none !important;
}

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  height: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-area-top);
  padding-bottom: var(--safe-area-bottom);
  padding-left: var(--safe-area-left);
  padding-right: var(--safe-area-right);
  overflow: hidden;
  background-color: var(--color-bg-canvas);
  background-image: radial-gradient(var(--canvas-dot-color) 1.2px, transparent 1.2px);
  background-size: var(--canvas-grid-size) var(--canvas-grid-size);
}

/* 2. Layout Containers (Zero-Scroll Flex Shell) */
.app-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* 3. Global Top Bar (Air-Gap & Value Gate) */
.site-header {
  border-bottom: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-surface);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  flex-shrink: 0;
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--spacing-2) var(--spacing-4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
}

.header-brand-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.brand-logo {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-bold);
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-primary);
}

.brand-glyph svg {
  stroke: var(--color-accent-primary);
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  color: var(--color-text-primary);
}

/* Architectural Specification Stamp (Anti-Slop) */
.brand-arch-tag {
  font-family: var(--font-family-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #475569;
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  line-height: 1.3;
}

/* Tactile Monetization Pass Key Button (Physical Switch Aesthetic) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* Pop Button (3D Tactile Push-Button Aesthetic) */
.btn-pop-button {
  font-family: var(--font-family-display);
  display: inline-flex;
  user-select: none;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
  height: 38px;
  padding: 0 16px;
  background-color: #ffffff;
  color: #0f172a;
  border: 2px solid #cbd5e1;
  box-shadow: 0 3px 0 #94a3b8;
  cursor: pointer;
  position: relative;
  transform-origin: bottom;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.12s ease, border-color 0.12s ease;
}

/* Touch target floor 48px via invisible pseudo-element */
.btn-pop-button::after {
  content: "";
  position: absolute;
  top: -5px;
  bottom: -5px;
  left: -4px;
  right: -4px;
}

.btn-pop-button:hover {
  background-color: #f8fafc;
  border-color: #94a3b8;
  box-shadow: 0 3px 0 #64748b;
}

.btn-pop-button:active {
  transform: translateY(2px) scaleY(0.98);
  box-shadow: 0 1px 0 #64748b;
}

.btn-pop-button:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 3px;
}

.btn-pop-button.is-active {
  background-color: #ecfdf5;
  color: #065f46;
  border-color: #10b981;
  box-shadow: 0 3px 0 #059669;
}

.btn-pop-button.is-active:hover {
  background-color: #d1fae5;
  box-shadow: 0 3px 0 #047857;
}

.btn-pop-button.is-active:active {
  transform: translateY(2px) scaleY(0.98);
  box-shadow: 0 1px 0 #047857;
}

.btn-pass-text-full {
  display: inline;
}

.btn-pass-text-mobile {
  display: none;
}

/* 4. Hero Section (Immediate Cockpit & Suite Catalog) */
.hero-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: var(--spacing-2) 0 var(--spacing-6) 0;
  min-height: 0;
  flex-shrink: 0;
  gap: var(--spacing-3);
}

.hero-header-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

.hero-title {
  font-family: var(--font-family-display);
  font-size: 1.35rem;
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 1.55rem;
  }
}

.hero-subtitle {
  font-family: var(--font-family-base);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  max-width: 520px;
}

/* 5. Central Drop Pad (Tactile & Dynamic Spotlight - Compact) */
.central-droppad {
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  background-color: var(--color-bg-surface);
  background-image: radial-gradient(
    420px circle at var(--spotlight-x, 50%) var(--spotlight-y, 50%),
    rgba(37, 99, 235, 0.06),
    transparent 80%
  );
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  position: relative;
  cursor: pointer;
  box-shadow: var(--bevel-light), var(--bevel-shadow);
  transition: border-color 0.2s ease, box-shadow 0.25s ease, background-color 0.2s ease, transform 0.15s ease;
  overflow: hidden;
}

.central-droppad:hover {
  border-color: var(--color-border-tactile);
  transform: translateY(-1px);
  box-shadow: var(--bevel-light), 0 6px 16px -4px rgba(15, 23, 42, 0.08);
}

.central-droppad.drag-over {
  border-color: var(--color-accent-primary);
  background-color: #f0f7ff;
  border-style: solid;
  transform: scale(1.01);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.droppad-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  width: 100%;
}

@media (max-width: 580px) {
  .droppad-content {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

.droppad-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.central-droppad:hover .droppad-icon-wrap {
  transform: scale(1.05);
  background-color: #eff6ff;
}

.droppad-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  text-align: left;
}

@media (max-width: 580px) {
  .droppad-text-wrap {
    text-align: center;
  }
}

.droppad-headline {
  font-family: var(--font-family-display);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.droppad-sub {
  font-family: var(--font-family-base);
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  line-height: 1.35;
}

.btn-droppad-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 13px;
  font-family: var(--font-family-display);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--btn-primary-text);
  background-color: var(--btn-primary-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xs);
  box-shadow: var(--btn-primary-shadow);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.btn-droppad-cta:hover {
  background-color: var(--btn-primary-hover);
  transform: translateY(-1px);
}

.btn-droppad-cta:active {
  background-color: var(--btn-primary-active);
  transform: translateY(1px);
}

/* Category Filter Pills Bar - Compact */
.category-pills-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  width: 100%;
  padding: 2px 0;
}

.category-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-family-base);
  font-size: 11.5px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.02);
}

.category-pill-btn:hover {
  border-color: var(--color-border-tactile);
  color: var(--color-text-primary);
  background: var(--color-bg-subtle);
  transform: translateY(-1px);
}

.category-pill-btn.is-active {
  background: var(--color-text-primary);
  color: #ffffff;
  border-color: var(--color-text-primary);
  box-shadow: 0 2px 5px rgba(15, 23, 42, 0.12);
}

.category-pill-btn .pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-mono);
  font-size: 10.5px;
  font-weight: 700;
  padding: 0 5px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-subtle);
  color: var(--color-text-tertiary);
  line-height: 1.3;
  transition: all 0.15s ease;
}

.category-pill-btn.is-active .pill-count {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Super-Utility Cards Grid - High-Density Small Cards */
.utility-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  width: 100%;
}

@media (min-width: 1200px) {
  .utility-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1440px) {
  .utility-cards-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.super-utility-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: 12px;
  padding: 11px 12px 10px 12px;
  position: relative;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  text-align: left;
  user-select: none;
  min-height: 175px;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.18s ease;
}

.super-utility-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -4px rgba(15, 23, 42, 0.08), 0 3px 6px -2px rgba(15, 23, 42, 0.04);
  border-color: var(--color-border-tactile);
}

.super-utility-card:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.super-utility-card:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

.super-utility-card.is-hidden {
  display: none !important;
}

.card-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.card-category-badge {
  font-family: var(--font-family-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 1.5px 6px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  line-height: 1.2;
}

.card-category-badge.tint-mint {
  background: var(--tint-mint-bg, #ecfdf5);
  color: var(--tint-mint-text, #047857);
  border: 1px solid var(--tint-mint-border, #a7f3d0);
}

.card-category-badge.tint-violet {
  background: var(--tint-lavender-bg, #f5f3ff);
  color: var(--tint-lavender-text, #6d28d9);
  border: 1px solid var(--tint-lavender-border, #ddd6fe);
}

.card-category-badge.tint-amber {
  background: var(--tint-peach-bg, #fff7ed);
  color: var(--tint-peach-text, #c2410c);
  border: 1px solid var(--tint-peach-border, #fed7aa);
}

.card-category-badge.tint-sky {
  background: var(--tint-sky-bg, #f0f9ff);
  color: var(--tint-sky-text, #0369a1);
  border: 1px solid var(--tint-sky-border, #bae6fd);
}

.card-action-arrow {
  font-family: var(--font-family-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  line-height: 1;
  transition: transform 0.18s ease, color 0.18s ease;
}

.super-utility-card:hover .card-action-arrow {
  transform: translate(1.5px, -1.5px);
  color: var(--color-accent-primary);
}

.card-illustration-wrap {
  height: 64px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px 0 6px 0;
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid rgba(226, 232, 240, 0.6);
  overflow: hidden;
}

.utility-card-svg {
  width: 80px;
  height: 50px;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  pointer-events: none;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.super-utility-card:hover .utility-card-svg {
  transform: scale(1.05);
}

.super-utility-card .card-title {
  font-family: var(--font-family-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.super-utility-card .card-desc {
  font-family: var(--font-family-base);
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  line-height: 1.35;
  margin-bottom: 6px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-drop-hint {
  font-family: var(--font-family-mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 3.5px 6px;
  background: var(--color-bg-canvas);
  border-radius: 4px;
  border: 1px dashed var(--color-border-strong);
  width: 100%;
  text-align: center;
  transition: all 0.15s ease;
  margin-top: auto;
}

.super-utility-card:hover .card-drop-hint {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  background: #eff6ff;
}

.super-utility-card.card-drag-over {
  border-color: var(--color-accent-primary);
  background-color: #f0f7ff;
  transform: scale(1.02);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Fallback Dropzone Area (Cockpit Action) */
.dropzone-container {
  width: 100%;
  max-width: 480px;
  background-color: var(--color-bg-surface);
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--spacing-6) var(--spacing-4);
  text-align: center;
  position: relative;
  cursor: pointer;
  box-shadow: var(--bevel-light), var(--bevel-shadow);
  transition: border-color 0.2s ease, box-shadow 0.25s ease, background-color 0.2s ease, transform 0.15s ease;
  overflow: hidden;
}

.dropzone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3);
}

.dropzone-icon {
  width: 38px;
  height: 38px;
  stroke: var(--color-text-primary);
  background-color: #f1f5f9;
  padding: 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-strong);
}

/* Trust Indicators (Cockpit Badges) */
.trust-indicators {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  width: 100%;
  max-width: 500px;
}

@media (max-width: 767px) {
  .trust-indicators {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.trust-item {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-3);
  box-shadow: var(--shadow-subtle);
}

.trust-item-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke: var(--color-accent-primary);
}

.trust-item-label {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.trust-item-detail {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-regular);
}

/* UNIQUE BUTTON DESIGN: Tactile Industrial Precision (Primary Upload) */
.btn-primary-upload {
  min-height: var(--touch-target-lg);
  min-width: 240px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
  border: 1px solid #090d16;
  border-radius: var(--radius-sm);
  padding: 0 var(--spacing-6);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.14);
  transition: transform 0.08s ease, background-color 0.12s ease;
  position: relative;
}

.btn-primary-upload::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  right: 4px;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
}

.btn-primary-upload:hover {
  background: var(--btn-primary-hover);
}

.btn-primary-upload:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.16);
}

.btn-primary-upload:focus-visible {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 3px;
}

.dropzone-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

.file-input-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* 6. Workspace & Page Grid (Flattened Layout, No Nested Cards) */
.workspace-section {
  display: none;
  flex-direction: column;
  gap: var(--spacing-6);
  background-color: transparent;
  padding: 0;
}

.workspace-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.workspace-title-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.workspace-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.doc-stats-badge {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-subtle);
}

.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

/* Tactile Secondary Desk Buttons */
.btn-secondary-action {
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-4);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  background-color: var(--btn-tactile-bg);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  box-shadow: var(--shadow-subtle);
  transition: background-color 0.12s ease, border-color 0.12s ease, transform 0.08s ease;
}

.btn-secondary-action:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-primary);
  border-color: var(--color-border-tactile);
}

.btn-secondary-action:active {
  transform: translateY(1px);
}

.btn-secondary-action:focus-visible {
  outline: 2px solid var(--color-border-focus);
}

/* Page Thumbnail Grid (Strict 390px Mobile Compatibility) */
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-4);
  padding: var(--spacing-2) 0;
}

@media (max-width: 480px) {
  .page-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
  }
}

.page-card {
  background-color: var(--color-bg-canvas);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  position: relative;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.15s ease, border-color 0.15s ease;
  box-sizing: border-box;
  overflow: hidden;
}

.page-card:hover {
  border-color: var(--color-border-strong);
}

.page-preview-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.414; /* Standard A4 aspect ratio */
  background-color: #ffffff;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.page-number-pill {
  position: absolute;
  top: 6px;
  left: 6px;
  background-color: rgba(15, 23, 42, 0.88);
  color: #ffffff;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
}

/* Touch Controls per Page */
.page-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  width: 100%;
  box-sizing: border-box;
}

.btn-page-ctrl {
  flex: 1 1 0;
  min-width: 0;
  height: 32px;
  min-height: 32px;
  max-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  cursor: pointer;
  padding: 0;
  transition: transform 0.08s ease, background-color 0.12s ease;
  box-shadow: var(--shadow-subtle);
}

.btn-page-ctrl svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.btn-page-ctrl:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle);
}

.btn-page-ctrl:active {
  transform: translateY(1px);
}

.btn-page-ctrl:focus-visible {
  outline: 2px solid var(--color-border-focus);
}

.btn-page-ctrl.danger:hover {
  background-color: var(--color-status-danger-bg);
  color: var(--color-status-danger-text);
  border-color: var(--color-status-danger-border);
}

/* 7. Processing State & Hardware-Accelerated Progress Bar */
.processing-bar-container {
  display: none;
  flex-direction: column;
  gap: var(--spacing-2);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  margin-top: var(--spacing-2);
}

.processing-info {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: #e2e8f0;
  border-radius: var(--radius-full);
  overflow: hidden;
}

/* Optimized: Uses transform scaleX to avoid layout thrashing */
.progress-fill {
  width: 100%;
  height: 100%;
  background-color: var(--color-accent-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 8. Export Strip */
.export-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border-subtle);
}

/* UNIQUE BUTTON DESIGN: Download Action */
.btn-download-primary {
  min-height: var(--touch-target-lg);
  min-width: 250px;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  border: 1px solid #090d16;
  border-radius: var(--radius-sm);
  padding: 0 var(--spacing-6);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.14);
  transition: transform 0.08s ease, background-color 0.12s ease;
  position: relative;
}

.btn-download-primary::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  right: 4px;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
}

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

.btn-download-primary:active {
  transform: translateY(1px);
}

.btn-download-primary:focus-visible {
  outline: 3px solid var(--color-border-focus);
}

/* 9. AdSense Containers (Strategic Monetization Placements) */
.ad-slot-container {
  width: 100%;
  background-color: var(--color-bg-surface);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-subtle);
  padding: var(--spacing-3) var(--spacing-4);
}

/* Banner 1: Debajo de la Zona de Carga (Above the fold · Visibilidad Inmediata 70%-80%) */
.ad-slot-above-fold {
  max-width: 860px;
  min-height: 90px;
  margin: var(--spacing-4) auto var(--spacing-5) auto;
}

/* Banner 2: Modal de Resultado Final (Máxima Atención · Separación de Seguridad > 28px) */
.ad-slot-modal-result {
  max-width: 728px;
  min-height: 80px;
  margin: var(--spacing-3) auto 28px auto; /* Separación estricta de 28px para cumplir la política de clics accidentales de Google */
  background-color: var(--color-bg-subtle);
  flex-shrink: 0;
}

.ad-label {
  font-size: var(--font-size-xs); /* 12px strictly meets legibility floor */
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-1);
}

.ad-placeholder-content {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.ad-micro-note {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
}

/* Pass Active: Hide All Ad Containers */
body.pass-active .ad-slot-container {
  display: none !important;
}

/* 10. Micro-Pass Modal (Frictionless 10-Second Checkout) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  overflow-y: auto;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-dialog {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  width: 100%;
  max-width: 440px;
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  position: relative;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-3);
}

.modal-title-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.modal-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
}

.modal-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.btn-modal-close {
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
  background: transparent;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color 0.12s ease;
}

.btn-modal-close:hover {
  color: var(--color-text-primary);
}

.pass-plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3);
}

.pass-card {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  background-color: var(--color-bg-subtle);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.08s ease;
}

.pass-card:hover {
  border-color: var(--color-border-tactile);
  background-color: #ffffff;
}

.pass-card.selected {
  border-color: var(--color-accent-primary);
  background-color: #eff6ff;
}

.pass-card-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.pass-card-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.pass-card-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

.pass-card-price {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent-primary);
}

/* UNIQUE BUTTON DESIGN: Checkout Action */
.btn-checkout-instant {
  min-height: var(--touch-target-lg);
  width: 100%;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
  border: 1px solid #090d16;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.14);
  transition: transform 0.08s ease, background-color 0.12s ease;
  position: relative;
}

.btn-checkout-instant::before {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  right: 4px;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
}

.btn-checkout-instant:hover {
  background: var(--btn-primary-hover);
}

.btn-checkout-instant:active {
  transform: translateY(1px);
}

.checkout-guarantee {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-align: center;
  line-height: var(--line-height-normal);
}

/* 11. Notifications / Toast */
.toast-container {
  position: fixed;
  bottom: calc(var(--safe-area-bottom) + var(--spacing-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-notification);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  pointer-events: none;
  width: 90%;
  max-width: 390px;
}

.toast {
  background-color: var(--color-text-primary);
  color: var(--color-text-inverted);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-elevated);
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 12. Footer with Live Air-Gap Text Telemetry */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-surface);
  padding: 8px var(--spacing-4);
  flex-shrink: 0;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.footer-telemetry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-family-base);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.footer-telemetry-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  border: 1px solid #059669;
  flex-shrink: 0;
}

.footer-telemetry-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.footer-telemetry-text strong {
  font-family: var(--font-family-mono);
  font-weight: 700;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}

.footer-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ==========================================================================
   /* ==========================================================================
   13. Specialized Tool Modals & Main Stage
   ========================================================================== */

/* App Main Stage (Full-Width Responsive Stage) */
.app-main-stage {
  flex: 1;
  min-width: 0;
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: var(--spacing-3) var(--spacing-8);
  overflow-y: auto;
  min-height: 0;
  scroll-behavior: smooth;
}

@media (max-width: 768px) {
  .app-main-stage {
    padding: var(--spacing-3) var(--spacing-4);
  }
}

/* Modal sizing for wide tools (Crop preview) */
.modal-dialog-lg {
  max-width: 580px;
}

/* Duplex Modal Styles */
.duplex-inputs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 480px) {
  .duplex-inputs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.duplex-slot {
  background-color: var(--color-bg-subtle);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  align-items: center;
  text-align: center;
}

.duplex-slot-label {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-primary);
}

.file-chosen-name {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.suite-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
  cursor: pointer;
}

.suite-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent-primary);
  margin-top: 1px;
  flex-shrink: 0;
}

/* Crop Modal Styles */
.crop-controls-top {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.crop-canvas-wrapper {
  position: relative;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin: auto;
  user-select: none;
  cursor: crosshair;
}

.crop-canvas-wrapper canvas,
#sign-canvas-wrapper canvas {
  display: block;
}

#sign-canvas-wrapper {
  position: relative;
  display: inline-block;
  margin: auto;
  user-select: none;
}

.crop-selection-box {
  position: absolute;
  border: 2px dashed #38bdf8;
  background-color: rgba(56, 189, 248, 0.2);
  pointer-events: none;
  box-sizing: border-box;
}

/* Split Modal Styles */
.split-controls, .meta-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.split-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.split-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-primary);
}

.split-text-input {
  height: 40px;
  padding: 0 12px;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  background-color: var(--color-bg-surface);
  color: var(--color-text-primary);
}

.split-text-input:focus {
  outline: 2px solid var(--color-border-focus);
  border-color: transparent;
}

.split-actions-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

/* Metadata Modal Styles */
.metadata-info-box {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: var(--spacing-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 1.4;
}

.meta-alert-note {
  font-family: var(--font-family-display);
  font-weight: 600;
  color: var(--color-accent-primary);
  margin-top: 4px;
}

/* Phase 2, 3, 4 Suite Modals & Controls */
.suite-modal-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.suite-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.suite-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3);
}

@media (min-width: 440px) {
  .suite-form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.suite-form-label {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-primary);
}

.suite-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: var(--spacing-2);
}

.suite-option-btn {
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-3);
  background-color: var(--color-bg-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.suite-option-btn:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-primary);
}

.suite-option-btn.is-active {
  background-color: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
}

.suite-select {
  height: 40px;
  min-height: var(--touch-target-min);
  padding: 0 12px;
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  background-color: var(--color-bg-surface);
  color: var(--color-text-primary);
  cursor: pointer;
}

.suite-select:focus {
  outline: 2px solid var(--color-border-focus);
  border-color: transparent;
}

.suite-info-note {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
  padding: var(--spacing-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.45;
}

/* Signature Canvas Pad */
.sign-canvas-box {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.sign-canvas {
  width: 100%;
  height: 160px;
  background-color: #ffffff;
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  touch-action: none;
  cursor: crosshair;
}

.sign-pad-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2);
}

.sign-pad-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* Redaction Overlay & Toolbar */
.redact-toolbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.redact-count-badge {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 4px 8px;
  background-color: #fee2e2;
  color: #991b1b;
  border-radius: var(--radius-xs);
  margin-left: auto;
}

.redact-selection-box {
  position: absolute;
  background-color: rgba(15, 23, 42, 0.95);
  border: 1px solid #000000;
  pointer-events: none;
  box-sizing: border-box;
}

/* OCR Modal & Output Elements */
.ocr-output-box {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.ocr-textarea {
  width: 100%;
  padding: var(--spacing-3);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  resize: vertical;
  min-height: 120px;
}

.ocr-textarea:focus {
  outline: 2px solid var(--color-border-focus);
  border-color: transparent;
}

.ocr-actions-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

/* ==========================================================================
   Etapa 7: PWA, Visor Quick Look (Lightbox 300 DPI) & Atajos de Teclado
   ========================================================================== */

/* Header Shortcuts Toggle Button */
.btn-shortcuts-toggle {
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: 0 var(--spacing-3);
  background-color: #ffffff;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  box-shadow: var(--shadow-subtle);
}

.btn-shortcuts-toggle:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-primary);
  border-color: var(--color-border-tactile);
}

.btn-shortcuts-text {
  display: inline;
}

@media (max-width: 640px) {
  .btn-shortcuts-text {
    display: none;
  }
}

.kbd-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 6px;
  background-color: var(--color-bg-inset);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1.2;
}

/* Page Card Selected Focus & Preview Triggers */
.page-card:focus-visible,
.page-card.is-selected {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  border-color: var(--color-accent-primary);
  background-color: #ffffff;
  box-shadow: var(--shadow-card);
}

.page-preview-wrapper {
  cursor: pointer;
}

.btn-preview-page:hover {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

/* Modal Dialog XL (Quick Look Lightbox) */
.modal-dialog-xl {
  max-width: 920px;
  width: 95vw;
  max-height: 92vh;
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  overflow: hidden;
}

.quicklook-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
}

.quicklook-nav-group,
.quicklook-zoom-group,
.quicklook-rotate-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.btn-quicklook-action {
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  background-color: #ffffff;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  box-shadow: var(--shadow-subtle);
}

.btn-quicklook-action:hover:not(:disabled) {
  background-color: var(--color-bg-canvas);
  color: var(--color-text-primary);
  border-color: var(--color-border-tactile);
}

.btn-quicklook-action:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.quicklook-zoom-val {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  min-width: 48px;
  text-align: center;
}

.quicklook-stage {
  flex: 1;
  min-height: 360px;
  max-height: 60vh;
  overflow: auto;
  background-color: #0f172a;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  position: relative;
}

.quicklook-canvas-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  transition: transform 0.12s ease-out;
}

#quicklook-canvas,
#result-preview-canvas {
  max-width: 100%;
  height: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  border-radius: 2px;
  background-color: #ffffff;
}

.result-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--color-border-subtle);
}

.result-status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: #10b981;
  font-weight: var(--font-weight-medium);
}

.result-action-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.btn-result-secondary {
  min-height: var(--touch-target-min);
  padding: 0 var(--spacing-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-result-secondary:hover {
  background-color: var(--color-bg-canvas);
  border-color: var(--color-border-tactile);
}

/* Specialized Layout & Scroll Dynamics for Result Preview Modal */
#modal-result-preview .modal-dialog-xl {
  max-width: 960px;
  max-height: 92vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  scrollbar-width: thin;
}

#modal-result-preview #result-preview-stage {
  flex: 1 1 240px;
  min-height: 200px;
  max-height: 42vh;
  overflow: auto;
}

#modal-result-preview .ad-slot-modal-result {
  flex-shrink: 0;
  margin: var(--spacing-2) auto 28px auto; /* 28px anti-accidental-click separation */
}

#modal-result-preview .result-modal-footer {
  flex-shrink: 0;
  margin-top: 0;
}


/* Shortcuts Modal Dialog */
.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xs);
}

.shortcut-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 4px;
}

.kbd-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 2px 8px;
  background-color: #ffffff;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: 600;
  box-shadow: 0 1px 0 var(--color-border-tactile);
}

/* ==========================================================================
   19. Below-The-Fold Editorial Knowledge Layer (E-E-A-T & Long-Tail Authority)
   ========================================================================== */

.editorial-knowledge-layer {
  width: 100%;
  max-width: 960px;
  margin: var(--spacing-8) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  padding-bottom: var(--spacing-12);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--spacing-8);
}

.editorial-block {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.editorial-block-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.editorial-kicker {
  font-family: var(--font-family-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
}

.editorial-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
  letter-spacing: -0.02em;
}

.editorial-lead {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  max-width: 820px;
}

/* Steps Grid (3 Interactive Workflow Cards) */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
  margin-top: var(--spacing-2);
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  box-shadow: var(--bevel-light), var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.step-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-tactile);
  box-shadow: var(--bevel-light), 0 8px 16px -2px rgba(15, 23, 42, 0.08);
}

.step-card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-1);
}

.step-counter {
  font-family: var(--font-family-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-primary);
  letter-spacing: 0.08em;
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.step-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.step-desc code {
  font-family: var(--font-family-mono);
  font-size: 12px;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--color-text-primary);
}

/* Privacy Pillars Grid (Minimalist 3-Pillar Architecture) */
.privacy-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
}

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

.privacy-pillar-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--spacing-4);
  box-shadow: var(--bevel-light), var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.privacy-pillar-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-tactile);
}

.privacy-pillar-num {
  font-family: var(--font-family-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #047857;
  background-color: #ecfdf5;
  border: 1px solid rgba(4, 120, 87, 0.2);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  width: fit-content;
}

.privacy-pillar-title {
  font-family: var(--font-family-display);
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.privacy-pillar-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.45;
  margin: 0;
}

.privacy-pillar-desc strong {
  color: var(--color-text-primary);
}

/* Comparison Table (Semantic Responsive) */
.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--bevel-light), var(--shadow-subtle);
  background-color: var(--color-bg-surface);
  padding: 12px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--font-size-sm);
}

.comparison-table thead th {
  background-color: #f1f5f9;
  color: var(--color-text-primary);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 2px solid var(--color-border-strong);
  white-space: nowrap;
}

.comparison-table thead th.th-highlight {
  background-color: #0f172a;
  color: #ffffff;
  border-bottom-color: #020617;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--color-border-subtle);
  transition: background-color 0.1s ease;
}

.comparison-table tbody tr:hover {
  background-color: #f8fafc;
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody th {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  padding: var(--spacing-3) var(--spacing-4);
  background-color: #f8fafc;
  border-right: 1px solid var(--color-border-subtle);
  white-space: nowrap;
}

.comparison-table tbody td {
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
}

.comparison-table tbody td.td-highlight {
  background-color: #f0fdf4;
  color: #14532d;
  font-weight: var(--font-weight-semibold);
  border-right: 1px solid #dcfce7;
}

/* FAQ Accordion List (Accessible Details & Summary) */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.faq-item {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: border-color 0.15s ease;
}

.faq-item[open] {
  border-color: var(--color-border-tactile);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  min-height: var(--touch-target-min);
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  transition: background-color 0.12s ease;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary:hover {
  background-color: #f8fafc;
}

.faq-question-text {
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
}

.faq-chevron {
  flex-shrink: 0;
  stroke: var(--color-text-tertiary);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  stroke: var(--color-accent-primary);
}

.faq-answer {
  padding: 0 var(--spacing-4) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  border-top: 1px solid var(--color-border-subtle);
  margin-top: 0;
  padding-top: var(--spacing-3);
}

.faq-answer p {
  margin: 0;
}

.faq-answer strong {
  color: var(--color-text-primary);
}


/* Footer Navigation Links */
.footer-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin: var(--spacing-1) 0;
}

.footer-nav-link {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  padding: 8px 6px;
  min-height: var(--touch-target-min);
  display: inline-flex;
  align-items: center;
  transition: color 0.15s ease;
}

.footer-nav-link:hover {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-nav-separator {
  color: var(--color-border-tactile);
  user-select: none;
  font-size: var(--font-size-xs);
}

/* Legal Modals Styling */
.legal-modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-height: 60vh;
  overflow-y: auto;
  padding: var(--spacing-2) 0;
}

.legal-modal-body h3 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: var(--spacing-2);
}

.legal-modal-body p {
  margin: 0;
}

.contact-box-callout {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.contact-time-note {
  font-size: 12px;
  color: var(--color-text-tertiary);
  font-family: var(--font-family-mono);
}

/* ==========================================================================
   Tool Split Layout & Live Preview Panels (All 17 Tools)
   ========================================================================== */

.modal-dialog-xl {
  max-width: 1080px;
  width: 96vw;
  max-height: 92vh;
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  overflow: hidden;
}

.modal-split-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--spacing-5);
  align-items: stretch;
  min-height: 480px;
  max-height: calc(92vh - 120px);
  overflow: hidden;
}

@media (max-width: 860px) {
  .modal-dialog-xl {
    max-height: 96vh;
    padding: var(--spacing-4);
  }
  .modal-split-layout {
    grid-template-columns: 1fr;
    max-height: calc(96vh - 100px);
    overflow-y: auto;
    gap: var(--spacing-4);
  }
}

.modal-controls-pane {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  overflow-y: auto;
  padding-right: var(--spacing-2);
}

.modal-preview-pane {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  min-height: 420px;
}

.tool-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  z-index: 5;
  gap: var(--spacing-2);
}

.tool-preview-nav,
.tool-preview-zoom {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.tool-preview-btn {
  min-height: 28px;
  height: 28px;
  padding: 0 var(--spacing-2);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all var(--duration-fast) var(--ease-standard);
}

.tool-preview-btn:hover:not(:disabled) {
  background: var(--color-bg-subtle);
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

.tool-preview-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.tool-preview-page-label {
  font-family: var(--font-family-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
  min-width: 54px;
  text-align: center;
}

.tool-preview-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: var(--spacing-4);
  position: relative;
  background: radial-gradient(circle at center, rgba(38, 44, 61, 0.04) 0%, rgba(15, 23, 42, 0.1) 100%);
}

.tool-preview-canvas {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  background-color: #ffffff;
  display: block;
  max-width: 100%;
}

.tool-preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  color: var(--color-text-tertiary);
  text-align: center;
  padding: var(--spacing-6);
  max-width: 280px;
  margin: auto;
}

.tool-preview-empty-icon {
  width: 44px;
  height: 44px;
  stroke: var(--color-text-tertiary);
  opacity: 0.6;
}

.tool-preview-empty-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.tool-preview-empty-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-normal);
}

/* Metadata Inspection Table */
.metadata-table-wrap {
  width: 100%;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: var(--font-size-xs);
  background: var(--color-bg-surface);
}

.metadata-table {
  width: 100%;
  border-collapse: collapse;
}

.metadata-table th,
.metadata-table td {
  padding: var(--spacing-2) var(--spacing-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.metadata-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metadata-table td.meta-key {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  width: 32%;
}

.metadata-table td.meta-val {
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  word-break: break-all;
}

/* Duplex Dual Preview */
.duplex-dual-preview-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3);
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3);
  overflow: auto;
}

.duplex-sub-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--spacing-2);
}

.duplex-sub-badge {
  font-family: var(--font-family-mono);
  font-size: 11px;
  color: var(--color-accent-primary);
  font-weight: var(--font-weight-medium);
}

/* Image Thumbnails Gallery (Img2Pdf & Extract-Img) */
.tool-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--spacing-3);
  width: 100%;
  max-height: 480px;
  overflow-y: auto;
  padding: var(--spacing-3);
}

.tool-gallery-thumb {
  position: relative;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.tool-gallery-thumb img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 2px;
}

.tool-gallery-thumb-caption {
  font-family: var(--font-family-mono);
  font-size: 10px;
  color: var(--color-text-tertiary);
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

/* Interactive Overlay Stamp for Signing */
#sign-canvas-wrapper {
  cursor: crosshair;
}

.interactive-stamp-ghost {
  position: absolute;
  border: 2px dashed var(--color-accent-primary, #3b82f6);
  background: rgba(59, 130, 246, 0.08);
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  z-index: 10;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: border-color 0.15s ease, background 0.15s ease;
  user-select: none;
  touch-action: none;
}

.interactive-stamp-ghost:active {
  cursor: grabbing;
  border-color: #2563eb;
  background: rgba(37, 99, 235, 0.15);
}

.interactive-stamp-ghost img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  display: block;
}

/* =========================================================================
   Selector de Herramienta Post-Carga (Action Chooser Modal)
   ========================================================================= */
.modal-action-chooser-dialog {
  max-width: 960px;
  width: 95vw;
  max-height: 90vh;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg-surface, #ffffff);
  border: 1px solid var(--color-border-strong, #cbd5e1);
  border-radius: var(--radius-lg, 8px);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

.modal-action-chooser-dialog .modal-header {
  padding: var(--spacing-5) var(--spacing-6);
  border-bottom: 1px solid var(--color-border-subtle, #e2e8f0);
  background-color: var(--color-bg-surface, #ffffff);
}

.action-chooser-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  border-radius: 9999px;
  font-family: var(--font-family-mono, monospace);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 6px;
  max-width: fit-content;
}

.action-chooser-body {
  padding: var(--spacing-5) var(--spacing-6);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  max-height: calc(90vh - 165px);
}

.action-chooser-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.action-chooser-section-title {
  font-family: var(--font-family-mono, monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary, #64748b);
}

.action-chooser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.action-chooser-card {
  background-color: var(--color-bg-surface, #ffffff);
  border: 1px solid var(--color-border-subtle, #e2e8f0);
  border-radius: 6px;
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  text-align: left;
}

.action-chooser-card:hover,
.action-chooser-card:focus-visible {
  border-color: var(--color-accent-primary, #3b82f6);
  background-color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  outline: none;
}

.action-chooser-card:active {
  transform: translateY(0);
}

.action-chooser-card-accent {
  border-color: #cbd5e1;
  background-color: #f8fafc;
}

.action-chooser-card-accent:hover {
  border-color: #0f172a;
}

.action-chooser-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.action-chooser-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tint-blue { background-color: #eff6ff; color: #2563eb; }
.tint-green { background-color: #ecfdf5; color: #059669; }
.tint-amber { background-color: #fffbeb; color: #d97706; }
.tint-red { background-color: #fef2f2; color: #dc2626; }
.tint-purple { background-color: #faf5ff; color: #7c3aed; }
.tint-teal { background-color: #f0fdfa; color: #0d9488; }
.tint-slate { background-color: #f1f5f9; color: #334155; }

.action-chooser-badge {
  font-family: var(--font-family-mono, monospace);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary, #64748b);
  background-color: var(--color-bg-subtle, #f1f5f9);
  padding: 2px 7px;
  border-radius: 4px;
}

.action-chooser-card-title {
  font-family: var(--font-family-display, Sora, sans-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary, #0f172a);
  margin: 0;
  line-height: 1.25;
}

.action-chooser-card-desc {
  font-size: 12px;
  color: var(--color-text-secondary, #475569);
  line-height: 1.4;
  margin: 0;
}

.action-chooser-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-border-subtle, #e2e8f0);
  background-color: var(--color-bg-subtle, #f8fafc);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.action-chooser-stay-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.action-chooser-footer-note {
  font-size: 12px;
  color: var(--color-text-secondary, #64748b);
}

@media (max-width: 640px) {
  .action-chooser-grid {
    grid-template-columns: 1fr;
  }
  .action-chooser-footer {
    flex-direction: column;
    align-items: stretch;
  }

  /* 1. Header: Pin pass button top-right on the same line as the brand logo */
  .site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
  }

  .header-inner {
    flex-wrap: nowrap !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 8px 12px !important;
    gap: 8px !important;
  }

  .header-brand-wrap {
    flex-shrink: 1;
    min-width: 0;
  }

  .brand-lockup {
    gap: 6px;
  }

  .brand-logo {
    gap: 6px;
  }

  .brand-name {
    font-size: 1.05rem;
    white-space: nowrap;
  }

  .brand-arch-tag {
    display: none !important; /* Hide 100% LOCAL badge to ensure button fits top-right on 1 line */
  }

  .header-actions {
    flex-shrink: 0;
    margin-left: auto;
  }

  .btn-pop-button {
    height: 32px;
    padding: 0 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 8px;
    box-shadow: 0 2px 0 #94a3b8;
    white-space: nowrap;
  }

  .btn-pass-text-full {
    display: none !important;
  }

  .btn-pass-text-mobile {
    display: inline !important;
  }

  /* 2. Slim Footer: Reduce height from ~130px to a sleek 32px bar */
  .site-footer {
    padding: 6px 12px !important;
    margin-top: auto;
  }

  .footer-inner {
    flex-wrap: nowrap !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 11px !important;
  }

  .footer-meta {
    display: none !important; /* Remove multi-line text to save vertical space */
  }

  .footer-telemetry {
    font-size: 11px !important;
    gap: 5px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .footer-telemetry-text {
    font-size: 11px !important;
  }

  .footer-nav-links {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    white-space: nowrap !important;
    overflow-x: auto !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .footer-nav-links::-webkit-scrollbar {
    display: none !important;
  }

  .footer-nav-link {
    font-size: 11px !important;
    padding: 2px 4px !important;
    white-space: nowrap !important;
  }

  .footer-nav-separator {
    display: none !important;
  }

  /* 3. Main Stage & Hero Adaptability */
  .app-main-stage {
    padding: 8px 12px 16px 12px !important;
  }

  .hero-section {
    gap: 8px !important;
    padding: 4px 0 10px 0 !important;
  }

  .hero-header-center {
    gap: 2px !important;
    padding: 0 4px !important;
  }

  .hero-title {
    font-size: 1.15rem !important;
    line-height: 1.25 !important;
  }

  .hero-subtitle {
    font-size: 0.75rem !important;
    line-height: 1.35 !important;
  }

  /* 4. Central Drop Pad on Mobile */
  .central-droppad {
    padding: 8px 12px !important;
    max-width: 100% !important;
  }

  .droppad-content {
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    text-align: left !important;
    gap: 8px !important;
  }

  .droppad-icon-wrap {
    width: 32px !important;
    height: 32px !important;
  }

  .droppad-title {
    font-size: 12px !important;
    line-height: 1.25 !important;
  }

  .droppad-subtitle {
    font-size: 10.5px !important;
  }

  .btn-droppad-cta {
    height: 32px !important;
    padding: 0 10px !important;
    font-size: 11px !important;
  }

  /* 5. Compact Above-the-Fold Ad Banner */
  .ad-slot-above-fold {
    min-height: 60px !important;
    margin: 8px auto 10px auto !important;
    padding: 6px 10px !important;
  }

  .ad-placeholder-content p {
    font-size: 11.5px !important;
  }

  .ad-micro-note {
    font-size: 10px !important;
  }

  /* 6. Horizontal Scrollable Category Pills Bar */
  .category-pills-bar {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    justify-content: flex-start !important;
    padding: 4px 0 !important;
    gap: 6px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    width: 100% !important;
  }

  .category-pills-bar::-webkit-scrollbar {
    display: none !important;
  }

  .category-pill-btn {
    flex-shrink: 0 !important;
    padding: 4px 8px !important;
    font-size: 11px !important;
  }

  /* 7. High-Density 2-Column Tool Cards Grid */
  .utility-cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .super-utility-card {
    min-height: 130px !important;
    padding: 8px 10px !important;
    border-radius: 10px !important;
  }

  .card-illustration-wrap {
    height: 42px !important;
    margin: 3px 0 4px 0 !important;
  }

  .utility-card-svg {
    width: 60px !important;
    height: 36px !important;
  }

  .super-utility-card .card-title {
    font-size: 12px !important;
  }

  .super-utility-card .card-desc {
    font-size: 10.5px !important;
    line-height: 1.25 !important;
    margin-bottom: 3px !important;
  }

  .card-category-badge {
    font-size: 8.5px !important;
    padding: 1px 5px !important;
  }

  .card-drop-hint {
    font-size: 8.5px !important;
    padding: 2px 4px !important;
  }

  /* 8. Workspace Management on Mobile */
  .workspace-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    padding-bottom: 8px !important;
  }

  .workspace-title-group {
    justify-content: space-between !important;
  }

  .workspace-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }

  .workspace-actions .btn-secondary-action,
  .workspace-actions .btn-primary-action {
    width: 100% !important;
    justify-content: center !important;
    padding: 0 8px !important;
    font-size: 12px !important;
  }
}