/* ==========================================================================
   Pedagogical Friction & Tertiary Algorithmicity - Literature Review Web App
   Design System & Styling matching minerclass.github.io design tokens
   ========================================================================== */

:root {
  --mjm-bg: #111318;
  --mjm-surface: #181b22;
  --mjm-surface-2: #20242d;
  --mjm-surface-3: #2a2f3a;
  --mjm-line: #343945;
  --mjm-ink: #f0eee8;
  --mjm-muted: #a8adb7;
  --mjm-gold: #f0bd45;
  --mjm-teal: #67b9aa;
  --mjm-violet: #aaa1dc;
  --mjm-blue: #70aee7;
  --mjm-rust: #dc895e;
  --mjm-rose: #e5a1b0;
  
  --mjm-display: "Arial Black", "Arial", sans-serif;
  --mjm-body: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mjm-mono: "SFMono-Regular", Consolas, "Liberation Mono", Monaco, monospace;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --glass-bg: rgba(24, 27, 34, 0.85);
  --glass-border: rgba(240, 189, 69, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--mjm-bg);
  color: var(--mjm-ink);
  font-family: var(--mjm-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography Helpers */
h1, h2, h3, h4 {
  font-family: var(--mjm-display);
  letter-spacing: -0.04em;
  color: var(--mjm-ink);
  line-height: 1.1;
}

.text-gold { color: var(--mjm-gold) !important; }
.text-teal { color: var(--mjm-teal) !important; }
.text-violet { color: var(--mjm-violet) !important; }
.text-blue { color: var(--mjm-blue) !important; }
.text-rust { color: var(--mjm-rust) !important; }
.text-rose { color: var(--mjm-rose) !important; }
.text-muted { color: var(--mjm-muted) !important; }
.font-mono { font-family: var(--mjm-mono); }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--mjm-gold);
  outline-offset: 3px;
}

/* App Container */
#app-shell {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.shell-container {
  width: min(1240px, calc(100% - 40px));
  margin-inline: auto;
}

/* Navigation Header */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17, 19, 24, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--mjm-line);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--mjm-display);
  font-size: 1.1rem;
  color: var(--mjm-ink);
}

.brand-badge {
  font-family: var(--mjm-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(240, 189, 69, 0.15);
  color: var(--mjm-gold);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(240, 189, 69, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  overflow-x: auto;
  padding-bottom: 2px;
}

.nav-item-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--mjm-muted);
  font-family: var(--mjm-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.nav-item-btn:hover {
  color: var(--mjm-ink);
  background: var(--mjm-surface);
  border-color: var(--mjm-line);
}

.nav-item-btn.active {
  color: var(--mjm-gold);
  background: rgba(240, 189, 69, 0.1);
  border-color: var(--mjm-gold);
}

/* Hero Section */
.hero-section {
  padding: 60px 0 40px;
  position: relative;
  border-bottom: 1px solid var(--mjm-line);
  background: radial-gradient(circle at 80% 20%, rgba(240, 189, 69, 0.05) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--mjm-muted);
  border-left: 3px solid var(--mjm-gold);
  padding-left: 18px;
  margin-bottom: 24px;
}

.quest-tracker-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.quest-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.quest-card-title {
  font-family: var(--mjm-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mjm-gold);
}

.progress-bar-bg {
  width: 100%;
  height: 10px;
  background: var(--mjm-surface-2);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--mjm-line);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--mjm-gold), var(--mjm-teal));
  width: 0%;
  transition: width 0.4s ease;
}

.badges-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge-pill {
  font-family: var(--mjm-mono);
  font-size: 0.65rem;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--mjm-line);
  background: var(--mjm-surface-2);
  color: var(--mjm-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  opacity: 0.5;
  transition: all 0.3s ease;
}

.badge-pill.unlocked {
  opacity: 1;
  background: rgba(103, 185, 170, 0.15);
  border-color: var(--mjm-teal);
  color: var(--mjm-teal);
}

/* Module Section Generic */
.module-section {
  display: none;
  padding: 50px 0;
  animation: fadeIn 0.35s ease-in-out forwards;
}

.module-section.active-module {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header {
  margin-bottom: 36px;
}

.section-tag {
  font-family: var(--mjm-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mjm-gold);
  margin-bottom: 8px;
  display: block;
}

.section-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--mjm-muted);
  max-width: 800px;
}

/* MODULE 1: Timeline & Media Ecology Stage Journey */
.timeline-stages {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 30px;
}

.stage-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stage-card:hover {
  border-color: var(--mjm-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.stage-card.active-stage {
  background: var(--mjm-surface-2);
  border-color: var(--mjm-gold);
  box-shadow: 0 0 16px rgba(240, 189, 69, 0.2);
}

.stage-number {
  font-family: var(--mjm-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--mjm-gold);
  letter-spacing: 0.1em;
}

.stage-title {
  font-size: 1.1rem;
  margin: 12px 0 6px;
}

.stage-period {
  font-size: 0.75rem;
  color: var(--mjm-muted);
  font-family: var(--mjm-mono);
}

.stage-detail-panel {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
}

.stage-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.detail-block {
  background: var(--mjm-surface-2);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.detail-block-title {
  font-family: var(--mjm-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mjm-teal);
  margin-bottom: 10px;
}

/* Ruptured Assumptions & Pressures Interactive Grid */
.ruptures-pressures-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 30px;
}

.rupture-card, .pressure-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.2s ease;
}

.rupture-card:hover { border-color: var(--mjm-rust); }
.pressure-card:hover { border-color: var(--mjm-violet); }

/* MODULE 2: Dialectical Crucible Matrix */
.crucible-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.stream-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 22px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.stream-card:hover {
  transform: translateY(-3px);
  border-color: var(--mjm-gold);
}

.stream-card.selected-stream {
  border-color: var(--mjm-gold);
  background: var(--mjm-surface-2);
}

.convergence-box {
  background: linear-gradient(135deg, rgba(24, 27, 34, 0.95), rgba(32, 36, 45, 0.95));
  border: 2px solid var(--mjm-gold);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 0 30px rgba(240, 189, 69, 0.12);
  margin-top: 20px;
}

/* MODULE 3: Gamified Friction Classifier & Lab */
.game-lab-container {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.scenario-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--mjm-line);
  padding-bottom: 14px;
}

.scenario-card {
  background: var(--mjm-surface-2);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.scenario-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--mjm-ink);
}

.scenario-body {
  font-size: 1rem;
  color: var(--mjm-muted);
  line-height: 1.6;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.option-btn {
  background: var(--mjm-surface-2);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: left;
  color: var(--mjm-ink);
  cursor: pointer;
  font-family: var(--mjm-body);
  font-size: 0.92rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.option-btn:hover {
  border-color: var(--mjm-gold);
  background: var(--mjm-surface-3);
}

.option-btn.selected {
  border-color: var(--mjm-gold);
  background: rgba(240, 189, 69, 0.12);
}

.option-type-tag {
  font-family: var(--mjm-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mjm-gold);
}

.feedback-panel {
  display: none;
  background: var(--mjm-surface-3);
  border: 1px solid var(--mjm-teal);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 20px;
  animation: fadeIn 0.3s ease;
}

.feedback-panel.active-feedback {
  display: block;
}

.rationale-input-group {
  margin-top: 16px;
}

.rationale-textarea {
  width: 100%;
  min-height: 80px;
  background: var(--mjm-bg);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-sm);
  color: var(--mjm-ink);
  padding: 12px;
  font-family: var(--mjm-body);
  font-size: 0.9rem;
  resize: vertical;
}

/* Buttons */
.btn-primary {
  background: var(--mjm-gold);
  color: #111318;
  border: 1px solid var(--mjm-gold);
  font-family: var(--mjm-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: #f7ca5d;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--mjm-ink);
  border: 1px solid var(--mjm-line);
  font-family: var(--mjm-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--mjm-gold);
  color: var(--mjm-gold);
}

/* MODULE 4: Citation Nexus Graph & Search */
.search-filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 260px;
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--mjm-ink);
  font-family: var(--mjm-mono);
  font-size: 0.85rem;
}

.citations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.citation-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.citation-card:hover {
  border-color: var(--mjm-gold);
  transform: translateY(-3px);
}

.citation-author {
  font-family: var(--mjm-display);
  font-size: 1.1rem;
  color: var(--mjm-ink);
  margin-bottom: 4px;
}

.citation-work {
  font-size: 0.82rem;
  color: var(--mjm-muted);
  font-style: italic;
  margin-bottom: 12px;
}

.citation-tag-pill {
  font-family: var(--mjm-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  color: var(--mjm-teal);
  background: rgba(103, 185, 170, 0.12);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
}

/* MODULE 5: Chapters 1-3 Deep Synthesis Reader */
.reader-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--mjm-line);
  margin-bottom: 24px;
}

.reader-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--mjm-muted);
  font-family: var(--mjm-display);
  font-size: 1.1rem;
  padding: 12px 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.reader-tab-btn:hover {
  color: var(--mjm-ink);
}

.reader-tab-btn.active-tab {
  color: var(--mjm-gold);
  border-bottom-color: var(--mjm-gold);
}

.reader-content-panel {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-md);
  padding: 36px;
  line-height: 1.7;
}

.reader-article h3 {
  font-size: 1.5rem;
  margin: 24px 0 12px;
  color: var(--mjm-gold);
}

.reader-article h4 {
  font-size: 1.2rem;
  margin: 18px 0 8px;
  color: var(--mjm-teal);
}

.reader-article p {
  margin-bottom: 16px;
  color: var(--mjm-ink);
}

.callout-box {
  background: var(--mjm-surface-2);
  border-left: 4px solid var(--mjm-gold);
  padding: 18px 22px;
  margin: 20px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* MODULE 6: Reflection Audit Trail & Summary */
.reflection-summary-card {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

/* Modal Dialog */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active-modal {
  display: flex;
}

.modal-box {
  background: var(--mjm-surface);
  border: 1px solid var(--mjm-gold);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--mjm-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close-btn:hover { color: var(--mjm-gold); }

/* Footer */
.app-footer {
  border-top: 1px solid var(--mjm-line);
  padding: 30px 0;
  margin-top: auto;
  color: var(--mjm-muted);
  font-family: var(--mjm-mono);
  font-size: 0.72rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--mjm-muted);
  text-decoration: none;
}

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

/* Print Media Styles for Reflection Handoff */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .app-nav, .hero-section, .nav-menu, .btn-primary, .btn-secondary, .search-filter-bar {
    display: none !important;
  }
  .module-section {
    display: block !important;
  }
  .reflection-summary-card {
    border: 1px solid #000 !important;
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .timeline-stages { grid-template-columns: repeat(3, 1fr); }
  .crucible-grid { grid-template-columns: repeat(2, 1fr); }
  .citations-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .timeline-stages { grid-template-columns: 1fr; }
  .stage-detail-grid { grid-template-columns: 1fr; }
  .ruptures-pressures-grid { grid-template-columns: 1fr; }
  .crucible-grid { grid-template-columns: 1fr; }
  .options-grid { grid-template-columns: 1fr; }
  .citations-grid { grid-template-columns: 1fr; }
  .nav-inner { flex-direction: column; align-items: flex-start; }
}