/* FreeStudyAdda Chemistry & Periodic Table Lab - Luminous Laboratory Design System */
/* Spec: DESIGN.md & Material Design 3 Expressive Tokens */

:root {
  --pt-primary: #00685f;
  --pt-primary-container: #008378;
  --pt-on-primary-container: #f4fffc;
  --pt-on-primary: #ffffff;
  --pt-secondary: #204fd4;
  --pt-secondary-container: #416aee;
  --pt-tertiary: #825100;
  --pt-tertiary-container: #a36700;
  
  --pt-surface-ivory: #FAFAF7;
  --pt-surface: #f8f9ff;
  --pt-surface-dim: #cbdbf5;
  --pt-surface-low: #eff4ff;
  --pt-surface-container: #e5eeff;
  --pt-surface-high: #dce9ff;
  --pt-surface-highest: #d3e4fe;
  --pt-surface-lowest: #ffffff;
  --pt-surface-glass: rgba(255, 255, 255, 0.78);
  --pt-border-glass: rgba(255, 255, 255, 0.85);
  
  --pt-on-surface: #0b1c30;
  --pt-on-surface-variant: #3d4947;
  --pt-outline: #6d7a77;
  --pt-outline-variant: #bcc9c6;
  
  /* Chemical Family Semantic Palette */
  --pt-family-alkali: #F87171;
  --pt-family-alkaline-earth: #FB923C;
  --pt-family-transition: #FBBF24;
  --pt-family-post-transition: #34D399;
  --pt-family-metalloid: #2DD4BF;
  --pt-family-reactive-nonmetal: #60A5FA;
  --pt-family-noble-gas: #A78BFA;
  --pt-family-lanthanide: #F472B6;
  --pt-family-actinide: #E879F9;
  --pt-family-unknown: #94A3B8;
  
  --pt-radius-sm: 0.5rem;
  --pt-radius-md: 1rem;
  --pt-radius-lg: 1.5rem;
  --pt-radius-xl: 2rem;
  --pt-radius-full: 9999px;
  
  --pt-font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --pt-font-body: 'Manrope', system-ui, sans-serif;
}

/* Base resets & typography */
.pt-lab-body {
  margin: 0;
  padding: 0;
  background-color: var(--pt-surface-ivory);
  color: var(--pt-on-surface);
  font-family: var(--pt-font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.pt-lab-body * {
  box-sizing: border-box;
}

/* Header Styles */
.pt-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 7rem;
  z-index: 50;
  background: var(--pt-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 104, 95, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pt-header-top {
  height: 4rem;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pt-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.pt-brand-logo {
  height: 2.25rem;
  width: auto;
}

.pt-brand-title {
  font-family: var(--pt-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pt-primary);
  line-height: 1;
}

.pt-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  color: var(--pt-on-surface-variant);
  font-weight: 600;
}

.pt-search-bar {
  flex: 1;
  max-width: 32rem;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 104, 95, 0.15);
  border-radius: var(--pt-radius-full);
  padding: 0.4rem 1rem;
  gap: 0.5rem;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: all 0.2s ease;
}

.pt-search-bar:focus-within {
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 3px rgba(0, 104, 95, 0.12);
}

.pt-search-input {
  width: 100%;
  border: none;
  background: transparent;
  font-family: var(--pt-font-body);
  font-size: 0.875rem;
  color: var(--pt-on-surface);
  outline: none;
}

.pt-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pt-header-bottom {
  height: 3rem;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(239, 244, 255, 0.5);
  border-top: 1px solid rgba(0, 0, 0, 0.03);
}

.pt-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--pt-radius-full);
  font-family: var(--pt-font-display);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
  background: var(--pt-surface-container);
  color: var(--pt-on-surface-variant);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.pt-pill-btn:hover {
  background: var(--pt-surface-highest);
  color: var(--pt-on-surface);
}

.pt-pill-btn.active {
  background: var(--pt-primary-container);
  color: var(--pt-on-primary-container);
  box-shadow: 0 2px 6px rgba(0, 104, 95, 0.15);
}

/* Sidebar navigation */
.pt-sidebar {
  position: fixed;
  left: 0;
  top: 7rem;
  height: calc(100vh - 7rem);
  width: 16rem;
  background: var(--pt-surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(0, 104, 95, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem 1rem;
  z-index: 40;
}

.pt-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.pt-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: var(--pt-radius-full);
  font-family: var(--pt-font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pt-on-surface-variant);
  text-decoration: none;
  transition: all 0.2s ease;
}

.pt-nav-item:hover {
  background: var(--pt-surface-high);
  color: var(--pt-on-surface);
  transform: translateX(2px);
}

.pt-nav-item.active {
  background: var(--pt-primary-container);
  color: var(--pt-on-primary-container);
  box-shadow: 0 4px 12px rgba(0, 104, 95, 0.15);
}

/* Main workspace area */
.pt-workspace {
  margin-left: 16rem;
  padding-top: 7rem;
  min-height: 100vh;
  background: var(--pt-surface-ivory);
  position: relative;
  overflow-x: hidden;
}

.pt-content-wrap {
  width: 100%;
  min-width: 0;
  max-width: 1720px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Allow flex children to shrink instead of forcing the table off-screen. */
.pt-table-page .pt-content-wrap > * {
  min-width: 0;
}

/* Cards & Glass Containers */
.pt-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--pt-radius-lg);
  padding: 1.25rem;
  box-shadow: 0 10px 30px -10px rgba(0, 104, 95, 0.05);
}

.pt-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

/* ==========================================================================
   PERIODIC TABLE 18-COLUMN GRID
   ========================================================================== */
.pt-table-viewport {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

/* Desktop: show all 18 groups inside the visible workspace without zooming. */
.pt-table-grid {
  display: grid;
  width: 100%;
  min-width: 0;
  grid-template-columns: repeat(18, minmax(0, 1fr));
  gap: clamp(2px, 0.25vw, 5px);
}

.pt-lanthanide-spacer {
  grid-column: span 18;
  height: 0.75rem;
}

.pt-cell {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2px, 0.26vw, 5px);
  aspect-ratio: 0.95;
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: clamp(5px, 0.7vw, 12px);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  text-decoration: none;
  color: inherit;
}

.pt-cell:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.15);
  z-index: 10;
}

.pt-cell-top {
  display: flex;
  justify-content: space-between;
  gap: 1px;
  min-width: 0;
  font-family: var(--pt-font-display);
  font-size: clamp(0.45rem, 0.62vw, 0.62rem);
  font-weight: 700;
  color: var(--pt-on-surface-variant);
  line-height: 1;
}

.pt-cell-top span {
  min-width: 0;
  overflow: hidden;
  text-overflow: clip;
  white-space: nowrap;
}

.pt-cell-symbol {
  font-family: var(--pt-font-display);
  font-size: clamp(0.92rem, 1.4vw, 1.4rem);
  font-weight: 800;
  text-align: center;
  line-height: 1;
  margin: 0.15rem 0;
}

.pt-cell-name {
  font-family: var(--pt-font-body);
  font-size: clamp(0.48rem, 0.55vw, 0.58rem);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--pt-on-surface);
}

.pt-cell.dimmed {
  opacity: 0.15;
  filter: grayscale(80%);
  pointer-events: none;
}

/* Family border & highlight accents */
.pt-cell[data-cat="alkali"] { border-color: var(--pt-family-alkali); }
.pt-cell[data-cat="alkaline-earth"] { border-color: var(--pt-family-alkaline-earth); }
.pt-cell[data-cat="transition"] { border-color: var(--pt-family-transition); }
.pt-cell[data-cat="post-transition"] { border-color: var(--pt-family-post-transition); }
.pt-cell[data-cat="metalloid"] { border-color: var(--pt-family-metalloid); }
.pt-cell[data-cat="reactive-nonmetal"] { border-color: var(--pt-family-reactive-nonmetal); }
.pt-cell[data-cat="noble-gas"] { border-color: var(--pt-family-noble-gas); }
.pt-cell[data-cat="lanthanide"] { border-color: var(--pt-family-lanthanide); }
.pt-cell[data-cat="actinide"] { border-color: var(--pt-family-actinide); }
.pt-cell[data-cat="unknown"] { border-color: var(--pt-family-unknown); }

.pt-cell[data-cat="alkali"]:hover { box-shadow: 0 0 16px rgba(248, 113, 113, 0.4); }
.pt-cell[data-cat="alkaline-earth"]:hover { box-shadow: 0 0 16px rgba(251, 146, 60, 0.4); }
.pt-cell[data-cat="transition"]:hover { box-shadow: 0 0 16px rgba(251, 191, 36, 0.4); }
.pt-cell[data-cat="post-transition"]:hover { box-shadow: 0 0 16px rgba(52, 211, 153, 0.4); }
.pt-cell[data-cat="metalloid"]:hover { box-shadow: 0 0 16px rgba(45, 212, 191, 0.4); }
.pt-cell[data-cat="reactive-nonmetal"]:hover { box-shadow: 0 0 16px rgba(96, 165, 250, 0.4); }
.pt-cell[data-cat="noble-gas"]:hover { box-shadow: 0 0 16px rgba(167, 139, 250, 0.4); }
.pt-cell[data-cat="lanthanide"]:hover { box-shadow: 0 0 16px rgba(244, 114, 182, 0.4); }
.pt-cell[data-cat="actinide"]:hover { box-shadow: 0 0 16px rgba(232, 121, 249, 0.4); }

/* Periodic table group & period labels */
.pt-group-label {
  text-align: center;
  font-family: var(--pt-font-display);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--pt-outline);
  padding-bottom: 0.2rem;
}

.pt-period-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--pt-font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--pt-outline);
}

/* ==========================================================================
   3D / 2D BOHR & QUANTUM ATOM VIEWER
   ========================================================================== */
.pt-atom-stage {
  position: relative;
  width: 100%;
  height: 480px;
  background: radial-gradient(circle at center, #1b2838 0%, #0d1520 100%);
  border-radius: var(--pt-radius-lg);
  overflow: hidden;
  box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.5);
}

.pt-atom-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pt-atom-controls {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  padding: 0.4rem 0.85rem;
  border-radius: var(--pt-radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 20;
}

.pt-atom-btn {
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0.35rem 0.65rem;
  border-radius: var(--pt-radius-full);
  font-family: var(--pt-font-display);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
}

.pt-atom-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.pt-atom-btn.active {
  background: var(--pt-primary);
  color: #fff;
}

/* ==========================================================================
   BONDING VIRTUAL LAB
   ========================================================================== */
.pt-bonding-chamber {
  position: relative;
  width: 100%;
  height: 380px;
  background: rgba(239, 244, 255, 0.4);
  border-radius: var(--pt-radius-md);
  border: 2px dashed rgba(0, 104, 95, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 1.5rem;
  overflow: hidden;
}

.pt-bond-atom {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 10;
}

.pt-bond-nucleus {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.pt-bond-transferring-electron {
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: #f59e0b;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px #f59e0b;
  z-index: 30;
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   FLASHCARDS & SM-2 ARENA
   ========================================================================== */
.pt-flashcard-box {
  perspective: 1200px;
  width: 100%;
  max-width: 540px;
  height: 340px;
  margin: 1.5rem auto;
}

.pt-flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  cursor: pointer;
}

.pt-flashcard-inner.flipped {
  transform: rotateY(180deg);
}

.pt-card-front,
.pt-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--pt-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(0, 104, 95, 0.12);
  box-shadow: 0 12px 32px -8px rgba(0, 104, 95, 0.12);
}

.pt-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, #f4fffc 0%, #eff4ff 100%);
  border-color: var(--pt-primary);
}

/* Quiz Option Buttons */
.pt-quiz-option {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  border-radius: var(--pt-radius-md);
  border: 1.5px solid rgba(0, 104, 95, 0.15);
  background: rgba(255, 255, 255, 0.9);
  font-family: var(--pt-font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--pt-on-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.pt-quiz-option:hover {
  border-color: var(--pt-primary);
  background: var(--pt-surface-low);
  transform: translateX(3px);
}

.pt-quiz-option.correct {
  border-color: #10b981;
  background: #ecfdf5;
  color: #065f46;
  font-weight: 700;
}

.pt-quiz-option.incorrect {
  border-color: #ef4444;
  background: #fef2f2;
  color: #991b1b;
}

/* ==========================================================================
   MOBILE BOTTOM SHEET & DRAWER
   ========================================================================== */
.pt-mobile-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-radius: 1.5rem 1.5rem 0 0;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.15);
  padding: 1.5rem;
  z-index: 100;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  max-height: 85vh;
  overflow-y: auto;
}

.pt-mobile-drawer.open {
  transform: translateY(0);
}

.pt-drawer-handle {
  width: 2.5rem;
  height: 4px;
  background: #cbd5e1;
  border-radius: 9999px;
  margin: 0 auto 1rem;
}

/* ==========================================================================
   PRINT STYLES FOR VECTOR CERTIFIED A4 / LETTER EXPORT
   ========================================================================== */
@media print {
  body, .pt-lab-body {
    background: #fff !important;
    color: #000 !important;
  }

  .pt-header,
  .pt-sidebar,
  .pt-atom-controls,
  .pt-no-print {
    display: none !important;
  }

  .pt-workspace {
    margin-left: 0 !important;
    padding-top: 0 !important;
  }

  .pt-content-wrap {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .pt-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }

  .pt-table-grid {
    min-width: 100% !important;
    gap: 1.5px !important;
  }

  .pt-cell {
    border: 1px solid #999 !important;
    box-shadow: none !important;
    transform: none !important;
  }
}

/* ==========================================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ========================================================================== */
/* On mid-size desktop screens, reclaim the sidebar for the 18-column table. */
@media (min-width: 1025px) and (max-width: 1280px) {
  .pt-table-page .pt-sidebar {
    display: none;
  }
  .pt-table-page .pt-workspace {
    margin-left: 0;
  }
}

/* On touch devices keep every tile legible, with horizontal scrolling. */
@media (max-width: 1024px) {
  .pt-sidebar {
    display: none;
  }
  .pt-workspace {
    margin-left: 0;
  }
  .pt-table-grid {
    min-width: 1020px;
  }
}

@media (max-width: 640px) {
  .pt-header {
    height: auto;
  }
  .pt-header-top {
    height: 3.5rem;
    padding: 0 0.75rem;
  }
  .pt-header-bottom {
    overflow-x: auto;
    padding: 0 0.75rem;
  }
  .pt-content-wrap {
    padding: 0.75rem;
  }
  .pt-atom-stage {
    height: 340px;
  }
}

/* ==========================================================================
   ELEMENT PROFILE & ORBITAL DIAGRAM STYLES
   ========================================================================== */
.pt-orbital-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.pt-orbital-box {
  background: var(--pt-surface-low);
  border-radius: var(--pt-radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 1px solid rgba(0, 104, 95, 0.1);
}

.pt-spin-arrows {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pt-primary);
  letter-spacing: 0.25rem;
  min-height: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pt-allotropes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.pt-allotrope-card {
  background: var(--pt-surface-low);
  border-radius: var(--pt-radius-md);
  padding: 1.25rem;
  border-left: 4px solid var(--pt-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

/* ==========================================================================
   COMPARISON MATRIX LAB STYLES
   ========================================================================== */
.pt-compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.pt-compare-slot {
  background: #fff;
  border-radius: var(--pt-radius-lg);
  padding: 1.25rem;
  border: 1px solid rgba(0, 104, 95, 0.12);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pt-compare-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--pt-surface-container);
  font-size: 0.825rem;
}

.pt-compare-row:last-child {
  border-bottom: none;
}

.pt-compare-highlight {
  background: rgba(0, 104, 95, 0.08);
  font-weight: 700;
  color: var(--pt-primary);
}

/* ==========================================================================
   TRENDS HEATMAP & VECTOR STYLES
   ========================================================================== */
.pt-trend-hud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.pt-trend-vector-card {
  background: #fff;
  border-radius: var(--pt-radius-lg);
  padding: 1.25rem;
  border: 1px solid rgba(0, 104, 95, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pt-metric-ribbon {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

/* ==========================================================================
   PRINT / PDF FACT SHEET CANVAS FRAME
   ========================================================================== */
.pt-paper-preview-wrap {
  width: 100%;
  overflow-x: auto;
  padding: 1rem 0;
  display: flex;
  justify-content: center;
}

.pt-paper-sheet {
  background: #ffffff;
  color: #0b1c30;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  border: 1px solid #cbd5e1;
  padding: 2rem;
  box-sizing: border-box;
}

.pt-paper-a4 {
  width: 210mm;
  min-height: 297mm;
}

.pt-paper-letter {
  width: 8.5in;
  min-height: 11in;
}

.pt-paper-a3 {
  width: 297mm;
  min-height: 420mm;
}

.pt-colormode-eco .pt-cell {
  background: #f4fffc !important;
  border-color: #00685f !important;
  color: #00201d !important;
}

.pt-colormode-mono .pt-cell {
  background: #ffffff !important;
  border-color: #333333 !important;
  color: #000000 !important;
}