/* SDD HTML Presentation Style Sheet */

/* Design Tokens & Theme Variables */
:root {
  --bg: #070709;
  --text: #eaeaea;
  --text-muted: #8e8e93;
  --line: #1e1e24;
  --line-strong: #2c2c35;
  --accent: #52d194;
  --accent-rgb: 82, 209, 148;
  --accent-dim: rgba(82, 209, 148, 0.1);
  --danger: #ff453a;
  --danger-dim: rgba(255, 69, 58, 0.08);
  --success: #30d158;
  --success-dim: rgba(48, 209, 88, 0.1);
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', "Courier New", Courier, monospace;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Global Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

kbd {
  background: var(--line-strong);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
}

/* Scroll bar styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Header & Status */
.top-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  border-bottom: 1px solid var(--line);
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background-color: rgba(7, 7, 9, 0.8);
  backdrop-filter: blur(10px);
}

.logo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--line);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--line-strong);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 0 0 rgba(82, 209, 148, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 209, 148, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(82, 209, 148, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(82, 209, 148, 0);
  }
}

/* Presentation Main Container */
.presentation {
  width: 100%;
  height: calc(100vh - 120px);
  margin-top: 60px;
  position: relative;
}

/* Slide Styles */
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  z-index: 10;
  transform: translateY(10px) scale(0.99);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.5s;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 20;
  transform: translateY(0) scale(1);
}

/* Slide Content Wrappers */
.slide-content {
  width: 100%;
  max-width: 1080px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-tag {
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
}

.slide-tag.alert-tag {
  color: var(--danger);
}

.slide-tag.success-tag {
  color: var(--success);
}

/* Typography Scale */
.serif-title {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  color: #ffffff;
}

.font-xxl {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.font-xl {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.font-lg {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.font-md {
  font-size: 1.4rem;
}

.subtitle {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  color: var(--text-muted);
  margin-top: 20px;
  font-weight: 300;
}

.divider {
  width: 80px;
  height: 1px;
  background-color: var(--line-strong);
  margin: 30px 0;
}

.slide-footer-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-w-600: 600px; /* custom helper class below instead */
}
.max-w-600 {
  max-width: 600px;
}
.max-w-700 {
  max-width: 700px;
}

.spacer {
  height: 20px;
}

.large-text {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 25px;
}

.muted-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Quote Layout */
.quote-box {
  margin-top: 30px;
  padding-left: 24px;
  border-left: 2px solid var(--accent);
}

.serif-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: #ffffff;
  line-height: 1.4;
}

.accent-box {
  margin-top: 25px;
  padding: 16px 20px;
  background-color: var(--accent-dim);
  border-left: 2px solid var(--accent);
  border-radius: 0 6px 6px 0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.accent-box strong {
  color: #ffffff;
}

/* Split Layout */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.col-left {
  display: flex;
  flex-direction: column;
}

.col-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

/* Card Lists & Items */
.card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

.danger-card {
  display: flex;
  gap: 15px;
  padding: 16px;
  background-color: rgba(255, 69, 58, 0.02);
  border: 1px solid var(--line);
  border-radius: 8px;
  align-items: flex-start;
  transition: var(--transition-smooth);
}

.danger-card:hover {
  border-color: rgba(255, 69, 58, 0.2);
  background-color: rgba(255, 69, 58, 0.04);
}

.card-icon {
  color: var(--danger);
  font-weight: bold;
  font-size: 0.95rem;
  background-color: var(--danger-dim);
  width: 24px;
  height: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.danger-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #ffffff;
}

.danger-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Context Window Desk Simulator Visual */
.visual-desk {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 4/3;
  perspective: 1000px;
}

.desk-surface {
  width: 100%;
  height: 100%;
  background-color: #0c0c10;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  position: relative;
  transform: rotateX(15deg) rotateY(-5deg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  padding: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.desk-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.desk-item {
  position: absolute;
  background-color: #17171e;
  border: 1px solid var(--line-strong);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  color: var(--text-muted);
  max-width: 200px;
}

.paper-1 { top: 60px; left: 30px; transform: rotate(-8deg); }
.paper-2 { top: 90px; right: 40px; transform: rotate(12deg); }
.paper-3 { top: 140px; left: 70px; transform: rotate(4deg); }
.paper-4 { top: 180px; right: 20px; transform: rotate(-6deg); border-color: var(--line-strong); }
.paper-5 { top: 210px; left: 40px; transform: rotate(15deg); }
.paper-6 { top: 120px; right: 90px; transform: rotate(-15deg); color: #ffffff; border-color: var(--accent); }

.desk-limit-warning {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  background-color: var(--danger-dim);
  border: 1px solid var(--danger);
  color: var(--danger);
  text-align: center;
  padding: 6px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  animation: flicker 1.5s infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.4; }
}

/* Centered Flow Layout */
.centered-flow {
  align-items: center;
  text-align: center;
}

/* Grid layout */
.grid-layout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.grid-header {
  margin-bottom: 30px;
}

.doc-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.doc-card {
  background-color: #0c0c10;
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
}

.doc-card:hover {
  border-color: var(--accent);
  background-color: #121217;
  transform: translateY(-4px);
}

.doc-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: bold;
  margin-bottom: 20px;
}

.doc-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: #ffffff;
  margin-bottom: 10px;
  font-weight: 600;
}

.doc-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

.doc-link {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

/* Prompt Container */
.prompt-container {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background-color: #0c0c0f;
  width: 100%;
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: #14141a;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.btn-copy {
  background-color: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  transition: var(--transition-fast);
}

.btn-copy:hover {
  color: var(--accent);
  border-color: var(--accent);
  background-color: rgba(82, 209, 148, 0.05);
}

.btn-copy.copied {
  color: var(--success);
  border-color: var(--success);
  background-color: var(--success-dim);
}

.code-block {
  padding: 16px;
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #b5c2d1;
  display: block;
  white-space: pre;
}

.question-header {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}

/* Pipeline Flow Design */
.pipeline-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 40px 0;
  width: 100%;
  overflow-x: auto;
  padding: 15px 0;
}

.pipeline-step {
  padding: 12px 16px;
  background-color: #121217;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  min-width: 90px;
}

.pipeline-step.doc-step {
  border-color: rgba(82, 209, 148, 0.2);
  color: #ffffff;
}

.pipeline-step.code-step {
  background-color: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.pipeline-step.review-step {
  background-color: rgba(48, 209, 88, 0.05);
  border-color: var(--success);
  color: var(--success);
}

.pipeline-arrow {
  color: var(--line-strong);
  font-weight: bold;
}

/* Checklist Preview card */
.review-checklist-preview {
  display: flex;
  flex-direction: column;
  gap: 15px;
  background-color: #0c0c10;
  border: 1px solid var(--line-strong);
  padding: 24px;
  border-radius: 8px;
}

.chk-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.chk-box {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background-color: var(--success-dim);
  border: 1px solid var(--success);
  color: var(--success);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.7rem;
  font-weight: bold;
  flex-shrink: 0;
}

/* Agent Grid Layout */
.agent-roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.role-card {
  background-color: #0c0c10;
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.role-card:hover {
  border-color: var(--line-strong);
  background-color: #121217;
}

.role-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 6px;
}

.role-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Human Roles list */
.human-roles-list {
  list-style: none;
}

.human-roles-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 18px;
  font-size: 1rem;
}

.human-roles-list li::before {
  content: "➔";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Integrated Pipeline flow */
.integrated-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 40px 0;
  width: 100%;
}

.pipeline-group {
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: rgba(255,255,255,0.01);
}

.pipeline-group.pz-group {
  border-color: var(--line-strong);
}

.pipeline-group.sdd-group {
  border-color: rgba(82, 209, 148, 0.3);
}

.group-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.group-steps {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-step {
  font-size: 0.75rem;
  padding: 8px 12px;
  background-color: #121217;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--text-muted);
}

.mini-step.accent-step {
  background-color: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: bold;
}

.mini-step.builder-step {
  background-color: rgba(48, 209, 88, 0.05);
  border-color: var(--success);
  color: var(--success);
}

.mini-arrow {
  color: var(--line-strong);
  font-size: 0.75rem;
}

.pipeline-group-arrow {
  font-size: 1.5rem;
  color: var(--accent);
}

/* Exercise card & buttons */
.exercise-card {
  margin-top: 15px;
  background-color: var(--accent-dim);
  border: 1px solid rgba(82, 209, 148, 0.2);
  padding: 20px;
  border-radius: 8px;
}

.exercise-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

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

/* Decision Matrix */
.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.decision-card {
  background-color: #0c0c10;
  border: 1px solid var(--line);
  padding: 20px;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.decision-card.highlighted {
  border-color: var(--accent-dim);
  background-color: rgba(82, 209, 148, 0.02);
}

.decision-card:hover {
  transform: translateY(-2px);
}

.decision-card.highlighted:hover {
  border-color: var(--accent);
}

.card-cond {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-action {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}

.card-ex {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: block;
}

/* Buttons and Links */
.btn-primary-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background-color: #ffffff;
  color: #000000;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  border: 1px solid #ffffff;
}

.btn-primary-link:hover {
  background-color: transparent;
  color: #ffffff;
}

/* Bottom Nav bar */
.bottom-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  border-top: 1px solid var(--line);
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background-color: rgba(7, 7, 9, 0.9);
  backdrop-filter: blur(10px);
}

.nav-left {
  display: flex;
  gap: 10px;
}

.nav-btn {
  background-color: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background-color: rgba(82, 209, 148, 0.05);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 40%;
  justify-content: center;
}

.progress-container {
  flex-grow: 1;
  max-width: 250px;
  height: 3px;
  background-color: var(--line-strong);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.slide-counter {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.nav-right {
  display: flex;
  align-items: center;
}

.kbd-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 900px) {
  body {
    overflow-y: auto;
    height: auto;
  }
  
  html {
    overflow-y: auto;
  }
  
  .top-nav {
    position: sticky;
  }
  
  .presentation {
    height: auto;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 20px 10px;
  }
  
  .slide {
    position: relative;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    height: auto;
    padding: 20px 10px;
    border-bottom: 1px solid var(--line);
  }
  
  .slide-content {
    max-width: 100%;
  }
  
  .split-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .doc-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .decision-grid {
    grid-template-columns: 1fr;
  }
  
  .pipeline-container,
  .integrated-pipeline {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  
  .bottom-controls {
    display: none;
  }
}