/* ==========================================================================
   NOTSQUAT - MASTER TRAINING MANUAL & ENTERPRISE OPERATING BLUEPRINT
   Design System: Minimalist High-Contrast Black & White (#000000, #ffffff, #111111, #222222)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Space+Grotesk:wght@300;400;500;600;700;900&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

:root {
  --bg-black: #000000;
  --bg-dark: #070707;
  --bg-card: #0e0e0e;
  --bg-card-hover: #161616;
  --bg-surface: #121212;
  --bg-subtle: #1a1a1a;
  --bg-code: #0a0a0a;

  --border-dim: #222222;
  --border-mid: #333333;
  --border-bright: #555555;
  --border-focus: #ffffff;

  --text-white: #ffffff;
  --text-primary: #f0f0f0;
  --text-secondary: #a5a5a5;
  --text-muted: #6e6e6e;
  --text-faint: #444444;

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-pixel: 'Press Start 2P', monospace;

  --sidebar-width: 310px;
  --header-height: 64px;
  --content-max-width: 1100px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-black);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-black);
}
::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: var(--radius-xs);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-bright);
}

/* Top Navbar */
.manual-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-white);
}

.brand-badge {
  width: 32px;
  height: 32px;
  background: var(--text-white);
  color: var(--bg-black);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--text-white);
  line-height: 1.1;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.doc-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: #0a170a;
  border: 1px solid #1c4a1c;
  color: #55dd55;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pulse {
  width: 6px;
  height: 6px;
  background: #55dd55;
  border-radius: 50%;
  box-shadow: 0 0 8px #55dd55;
  animation: pulse-green 2s infinite ease-in-out;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-surface);
  color: var(--text-white);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-body);
}

.btn-header:hover {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
}

.btn-header-primary {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
}

.btn-header-primary:hover {
  background: #e0e0e0;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--text-white);
  padding: 6px 10px;
  font-size: 1.1rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
}

/* Layout Framework */
.manual-layout {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  position: relative;
}

/* Sticky Sidebar Table of Contents */
.manual-sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  background: var(--bg-dark);
  border-right: 1px solid var(--border-dim);
  overflow-y: auto;
  padding: 1.5rem 1rem 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 90;
}

.sidebar-meta {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dim);
}

.sidebar-meta h4 {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.sidebar-meta p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.sidebar-search-box {
  position: relative;
}

.sidebar-search-input {
  width: 100%;
  padding: 8px 12px 8px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  color: var(--text-white);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s;
}

.sidebar-search-input:focus {
  border-color: var(--text-white);
}

.sidebar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.75rem;
  pointer-events: none;
}

.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-heading {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  padding: 0.5rem 0.5rem 0.25rem;
  margin-top: 0.5rem;
}

.toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-xs);
  transition: all 0.15s ease;
  line-height: 1.3;
}

.toc-link:hover {
  background: var(--bg-card-hover);
  color: var(--text-white);
  border-left: 2px solid var(--border-bright);
}

.toc-link.active {
  background: var(--bg-surface);
  color: var(--text-white);
  font-weight: 600;
  border-left: 2px solid var(--text-white);
}

.toc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  min-width: 20px;
}

.toc-link.active .toc-num {
  color: var(--text-white);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dim);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Main Content Area */
.manual-main {
  flex: 1;
  max-width: calc(100vw - var(--sidebar-width));
  padding: 2.5rem 3rem 6rem;
  background: var(--bg-black);
}

.content-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Hero Section */
.manual-hero {
  padding-bottom: 2.5rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-dim);
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-white);
  border-radius: var(--radius-xs);
  margin-bottom: 1.25rem;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 900px;
  margin-bottom: 1.75rem;
}

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

.hero-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 1.2rem 1.4rem;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Module Sections */
.manual-module {
  margin-bottom: 5rem;
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
  position: relative;
}

.module-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dim);
}

.module-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.module-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 0.6rem;
}

.module-lead {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Standard Typography Elements */
h3.section-heading {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin: 2rem 0 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

h4.subsection-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white);
  margin: 1.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.2rem;
  color: var(--text-primary);
  font-size: 0.95rem;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

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

strong {
  color: var(--text-white);
  font-weight: 600;
}

/* Callout & Alert Boxes */
.callout {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-left: 3px solid var(--text-white);
  border-radius: var(--radius-xs);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.callout-title {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Cards & Grid Containers */
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.manual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.manual-card:hover {
  border-color: var(--border-mid);
  background: var(--bg-card-hover);
}

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

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
}

/* Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  background: var(--bg-dark);
}

.manual-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.manual-table th {
  background: var(--bg-surface);
  color: var(--text-white);
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-mid);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.manual-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-secondary);
  vertical-align: top;
}

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

.manual-table tr:hover td {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Code & Terminal Blocks */
.code-block-container {
  margin: 1.5rem 0;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  background: var(--bg-code);
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.code-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-white);
  font-weight: 600;
}

.btn-copy {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-copy:hover {
  background: var(--text-white);
  color: var(--bg-black);
}

pre.code-content {
  padding: 1.25rem 1.4rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #e0e0e0;
  margin: 0;
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: #141414;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-dim);
  color: var(--text-white);
}

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

/* Interactive Accordions */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 1.5rem 0;
}

.accordion-item {
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  overflow: hidden;
  transition: border-color 0.2s;
}

.accordion-item.active {
  border-color: var(--border-mid);
}

.accordion-header {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  background: var(--bg-card);
  transition: background 0.15s;
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.accordion-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-icon {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(90deg);
  color: var(--text-white);
}

.accordion-body {
  display: none;
  padding: 18px;
  border-top: 1px solid var(--border-dim);
  background: var(--bg-dark);
  font-size: 0.9rem;
}

.accordion-item.active .accordion-body {
  display: block;
}

/* Interactive Tabs Component */
.tab-container {
  margin: 1.5rem 0;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  overflow: hidden;
}

.tab-nav {
  display: flex;
  overflow-x: auto;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
}

.tab-btn {
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--text-white);
  border-bottom-color: var(--text-white);
  background: var(--bg-card);
}

.tab-pane {
  display: none;
  padding: 1.5rem;
}

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

/* Interactive Deck Carousel */
.deck-carousel {
  margin: 1.5rem 0;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  overflow: hidden;
}

.deck-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
}

.deck-slide-indicator {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.deck-nav-btns {
  display: flex;
  gap: 6px;
}

.deck-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s;
}

.deck-btn:hover:not(:disabled) {
  background: var(--text-white);
  color: var(--bg-black);
}

.deck-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.deck-slide-content {
  padding: 2.25rem;
  min-height: 480px;
  background: var(--bg-black);
  display: flex;
  flex-direction: column;
}

.slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-mid);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-white);
  border-radius: var(--radius-xs);
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.slide-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.slide-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.deck-quick-jump {
  padding: 10px 16px;
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
}

.jump-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.jump-pill {
  padding: 3px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.jump-pill:hover, .jump-pill.active {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
}

/* Interactive ROI Calculator */
.roi-calc-container {
  margin: 1.5rem 0;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xs);
  background: var(--bg-card);
  padding: 2rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.calc-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-white);
}

.calc-label span.calc-val {
  color: var(--text-muted);
}

.calc-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-subtle);
  border-radius: var(--radius-xs);
  outline: none;
  border: 1px solid var(--border-dim);
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: var(--text-white);
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: none;
}

.calc-select {
  padding: 8px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
}

.calc-results {
  background: var(--bg-black);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-dim);
  font-size: 0.85rem;
}

.result-row:last-of-type {
  border-bottom: none;
}

.result-label {
  color: var(--text-secondary);
}

.result-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-white);
}

.result-total-box {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--border-bright);
}

.total-annual-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.total-annual-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
  margin: 4px 0;
}

.roi-percent-badge {
  display: inline-block;
  padding: 4px 10px;
  background: #0d280d;
  color: #55dd55;
  border: 1px solid #1c4a1c;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-xs);
}

/* Exercise Filter Bar */
.exercise-filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
}

.exercise-search-input {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  color: var(--text-white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  outline: none;
  min-width: 200px;
}

.exercise-search-input:focus {
  border-color: var(--text-white);
}

.exercise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xs);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.15s;
}

.exercise-card:hover {
  border-color: var(--border-mid);
}

.exercise-card.hidden {
  display: none !important;
}

.exercise-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-dim);
}

.ex-title-group h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 4px;
}

.ex-category-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.threshold-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  margin: 1rem 0;
}

.threshold-card {
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
}

.threshold-green {
  background: #061506;
  border: 1px solid #144014;
  color: #c0f0c0;
}

.threshold-yellow {
  background: #181504;
  border: 1px solid #4a3e0c;
  color: #f5df8b;
}

.threshold-red {
  background: #1a0808;
  border: 1px solid #521818;
  color: #f7a8a8;
}

.thresh-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

.threshold-green .thresh-label { color: #55dd55; }
.threshold-yellow .thresh-label { color: #f5c518; }
.threshold-red .thresh-label { color: #ff5555; }

/* Clean Academic Whitepaper Print Stylesheet (Pure Text / Minimalist PDF Export) */
@media print {
  @page {
    margin: 1.5cm;
    size: letter portrait;
  }

  *, *::before, *::after {
    background: transparent !important;
    color: #000000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  html, body {
    background: #ffffff !important;
    color: #111111 !important;
    font-family: 'Times New Roman', Times, Georgia, serif !important;
    font-size: 11pt !important;
    line-height: 1.5 !important;
  }

  /* Hide Web Nav, UI controls, filters, buttons, interactive toys */
  .manual-header,
  .manual-sidebar,
  .btn-header,
  .btn-copy,
  .filter-pills,
  .exercise-search-input,
  .deck-controls-bar,
  .deck-quick-jump,
  .tab-nav,
  .menu-toggle,
  .reading-progress-bar,
  .badge,
  .stat-pill,
  button,
  input,
  select {
    display: none !important;
  }

  .manual-layout {
    margin-top: 0 !important;
    display: block !important;
  }

  .manual-main {
    max-width: 100% !important;
    padding: 0 !important;
    background: #ffffff !important;
    margin: 0 !important;
  }

  /* Academic Headers */
  h1, h2, h3, h4, h5 {
    color: #000000 !important;
    font-family: Arial, Helvetica, sans-serif !important;
    font-weight: 700 !important;
    page-break-after: avoid;
    page-break-inside: avoid;
  }

  .hero-title {
    font-size: 24pt !important;
    text-align: center !important;
    margin-bottom: 0.5rem !important;
    text-transform: uppercase !important;
  }

  .hero-subtitle {
    font-size: 12pt !important;
    text-align: center !important;
    color: #444444 !important;
    margin-bottom: 2rem !important;
  }

  .doc-metadata-bar {
    border-top: 1px solid #000000 !important;
    border-bottom: 1px solid #000000 !important;
    padding: 8px 0 !important;
    margin-bottom: 2rem !important;
    display: flex !important;
    justify-content: space-between !important;
    font-size: 9pt !important;
    font-family: Arial, sans-serif !important;
  }

  .module-section {
    border-top: 1px solid #cccccc !important;
    padding-top: 1.5rem !important;
    margin-top: 2rem !important;
    page-break-before: auto;
  }

  .module-title {
    font-size: 16pt !important;
    border-bottom: 1px solid #000000 !important;
    padding-bottom: 4px !important;
    margin-bottom: 1rem !important;
  }

  /* Strip card containers into clean text paragraphs */
  .manual-card, 
  .callout, 
  .deck-carousel, 
  .roi-calc-container, 
  .exercise-card,
  .code-block-container,
  .accordion-item {
    background: #ffffff !important;
    border: none !important;
    border-left: 2px solid #000000 !important;
    padding: 0.5rem 0 0.5rem 1rem !important;
    margin: 1rem 0 !important;
    page-break-inside: avoid;
  }

  /* Clean Academic Tables */
  .table-wrapper {
    background: transparent !important;
    border: none !important;
    margin: 1rem 0 !important;
  }

  .manual-table {
    width: 100% !important;
    border-collapse: collapse !important;
    font-size: 9.5pt !important;
    page-break-inside: avoid;
  }

  .manual-table th {
    border-top: 1.5pt solid #000000 !important;
    border-bottom: 1pt solid #000000 !important;
    background: transparent !important;
    color: #000000 !important;
    font-family: Arial, sans-serif !important;
    font-weight: bold !important;
    text-align: left !important;
    padding: 6px 4px !important;
  }

  .manual-table td {
    border-bottom: 0.5pt solid #dddddd !important;
    color: #111111 !important;
    padding: 6px 4px !important;
  }

  /* Code / Monospace in White Paper */
  pre.code-content, code {
    font-family: 'Courier New', Courier, monospace !important;
    font-size: 9pt !important;
    background: transparent !important;
    border: none !important;
    color: #000000 !important;
    white-space: pre-wrap !important;
    word-break: break-word !important;
  }

  /* Links */
  a {
    color: #000000 !important;
    text-decoration: underline !important;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 8pt;
    color: #555555 !important;
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .manual-sidebar {
    position: fixed;
    left: -320px;
    top: var(--header-height);
    transition: left 0.3s ease;
    box-shadow: 10px 0 30px rgba(0,0,0,0.8);
  }
  .manual-sidebar.open {
    left: 0;
  }
  .manual-main {
    max-width: 100vw;
    padding: 2rem 1.5rem 5rem;
  }
  .menu-toggle {
    display: block;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  .module-title {
    font-size: 1.5rem;
  }
  .card-grid-2, .card-grid-3, .card-grid-4 {
    grid-template-columns: 1fr;
  }
  .threshold-grid {
    grid-template-columns: 1fr;
  }
  .header-controls .doc-status {
    display: none;
  }
}