/* ===== WFT ROADMAP - Integrated with Design System ===== */
/* Uses design-system.css tokens while preserving roadmap structure */

/* Import design system tokens by reference */
/* Assumes design-system.css is loaded first */

:root {
  /* === DESIGN SYSTEM INTEGRATION === */
  /* Use design system colors with roadmap-specific phase colors */
  --phase-pre: #4a6fa5;       /* Blue for groundwork */
  --phase-a0: #6b8c42;        /* Green for publishing */
  --phase-a: #d4a017;         /* Gold for individual */
  --phase-b: #c44d34;         /* Orange for cultural */
  --phase-bridge: #8b5fbf;    /* Purple for bridge */
  --phase-c: #2c7873;         /* Teal for universal */
  --phase-b-academic: #9c6b2e; /* Brown for academic */
  --phase-b-commercial: #a84343; /* Red for commercial */
  
  /* Reference design system tokens */
  --bg-dark: var(--color-bg, #fafafa);
  --bg-card: var(--color-surface, #ffffff);
  --text-primary: var(--color-text, #1a1a1a);
  --text-secondary: var(--color-text-secondary, #4a5568);
  --border-radius: var(--radius-lg, 12px);
  --transition: var(--transition-normal, all 0.3s ease);
}

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

body {
  background-color: var(--color-bg, #fafafa);
  color: var(--color-text, #1a1a1a);
  line-height: var(--leading-normal, 1.6);
  margin: 0 auto;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ==== HERO SECTION ==== */
.hero {
    padding: var(--space-10) 0 var(--space-6) 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-serif, 'Playfair Display', serif);
  font-weight: 500;
  margin-bottom: var(--space-2, 0.5rem);
  background: linear-gradient(90deg, var(--phase-pre), var(--phase-a0), var(--phase-a), var(--phase-b), var(--phase-bridge), var(--phase-c));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
    max-width: 800px;
    margin: 0 auto;
}


/* ===== CONTROLS & BUTTONS ===== */
.controls {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6, 30px);
}

.btn {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-weight: 600;
  padding: var(--space-3, 0.75rem) var(--space-5, 1.5rem);
  background-color: var(--color-surface, #ffffff);
  border: 2px solid var(--color-border, #e5e5e5);
  border-radius: var(--border-radius);
  color: var(--color-text, #1a1a1a);
  font-size: var(--text-base, 1rem);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
}

.btn:hover {
  background-color: var(--color-primary-light, #f8f1e8);
  border-color: var(--color-primary, #8b4513);
  color: var(--color-primary, #8b4513);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.05));
}

.btn.active {
  background-color: var(--color-primary, #8b4513);
  color: white;
  border-color: var(--color-primary, #8b4513);
}

.btn:focus-visible {
  outline: 3px solid var(--color-secondary, #a6d05d);
  outline-offset: 3px;
  box-shadow: var(--shadow-focus, 0 0 0 4px rgba(166, 208, 93, 0.4));
}

/* ===== ROADMAP CONTAINER ===== */
.roadmap-container {
  position: relative;
  overflow-x: auto;
  padding: var(--space-5, 1.5rem) var(--space-3, 0.75rem);
  margin-bottom: var(--space-8, 40px);
  min-height: 600px;
}

/* ===== OVERVIEW MODE ===== */
.roadmap-overview {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4, 1rem);
  width: 100%;
  min-width: 1200px;
}

.phase-card {
  background-color: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border-light, #e2e8f0);
  border-radius: var(--border-radius);
  padding: var(--space-5, 1.5rem);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition);
  border-left: 5px solid;
  position: relative;
  min-height: 220px;
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.05));
}

.phase-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg, 0 8px 25px rgba(0, 0, 0, 0.15));
}

/* Phase color backgrounds - subtle gradients for light theme */
.phase-card.pre-a { 
  border-color: var(--phase-pre); 
  background: linear-gradient(145deg, 
    rgba(74, 111, 165, 0.08), 
    rgba(74, 111, 165, 0.02));
}

.phase-card.a0 { 
  border-color: var(--phase-a0); 
  background: linear-gradient(145deg, 
    rgba(107, 140, 66, 0.08), 
    rgba(107, 140, 66, 0.02));
}

.phase-card.a { 
  border-color: var(--phase-a); 
  background: linear-gradient(145deg, 
    rgba(212, 160, 23, 0.08), 
    rgba(212, 160, 23, 0.02));
}

.phase-card.b { 
  border-color: var(--phase-b); 
  background: linear-gradient(145deg, 
    rgba(196, 77, 52, 0.08), 
    rgba(196, 77, 52, 0.02));
}

.phase-card.bridge { 
  border-color: var(--phase-bridge); 
  background: linear-gradient(145deg, 
    rgba(139, 95, 191, 0.08), 
    rgba(139, 95, 191, 0.02));
}

.phase-card.c { 
  border-color: var(--phase-c); 
  background: linear-gradient(145deg, 
    rgba(44, 120, 115, 0.08), 
    rgba(44, 120, 115, 0.02));
}

/* Phase B Tracks */
.phase-b-tracks {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 0.5rem);
  margin-top: var(--space-3, 0.75rem);
}

.track-card {
  padding: var(--space-3, 0.75rem);
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid;
}

.track-card.academic { 
  background: linear-gradient(145deg, 
    rgba(156, 107, 46, 0.12), 
    rgba(156, 107, 46, 0.04));
  border-left-color: var(--phase-b-academic);
}

.track-card.commercial { 
  background: linear-gradient(145deg, 
    rgba(168, 67, 67, 0.12), 
    rgba(168, 67, 67, 0.04));
  border-left-color: var(--phase-b-commercial);
}

.track-card:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
}

/* Phase typography */
.phase-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4, 1rem);
}

.phase-title {
  font-size: var(--text-lg, 1.125rem);
  font-weight: 700;
  line-height: var(--leading-snug, 1.375);
  margin-bottom: var(--space-2, 0.5rem);
  color: var(--color-text, #1a1a1a);
}

.phase-subtitle {
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-secondary, #4a5568);
  margin-bottom: var(--space-3, 0.75rem);
  line-height: var(--leading-normal, 1.6);
}

.phase-stats {
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-secondary, #4a5568);
  margin-top: auto;
  padding-top: var(--space-4, 1rem);
  border-top: 1px solid var(--color-border, #e5e5e5);
}

.phase-icon {
  font-size: 1.3rem;
  color: var(--color-text-light, #6b7280);
}

/* ===== DETAIL MODE ===== */
.phase-detail-view {
  display: none;
  width: 100%;
  animation: fadeIn 0.5s ease;
}

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

.phase-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8, 40px);
  padding: var(--space-6, 1.5rem);
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, 
    var(--color-primary-light, #f8f1e8) 0%, 
    var(--color-surface, #ffffff) 100%);
  border: 1px solid var(--color-border-light, #e2e8f0);
}

.phase-detail-header h2 {
  font-size: var(--text-3xl, 1.875rem);
  font-family: var(--font-serif, 'Playfair Display', serif);
  font-weight: 500;
  margin-bottom: var(--space-2, 0.5rem);
}

.phase-detail-header p {
  font-size: var(--text-lg, 1.125rem);
  color: var(--color-text-secondary, #4a5568);
  max-width: 800px;
}

.back-btn {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-weight: 600;
  padding: var(--space-3, 0.75rem) var(--space-5, 1.5rem);
  background-color: var(--color-surface, #ffffff);
  border: 2px solid var(--color-border, #e5e5e5);
  border-radius: var(--border-radius);
  color: var(--color-text, #1a1a1a);
  font-size: var(--text-base, 1rem);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
}

.back-btn:hover {
  background-color: var(--color-primary-light, #f8f1e8);
  border-color: var(--color-primary, #8b4513);
  color: var(--color-primary, #8b4513);
}

/* Phase B Detail */
.tracks-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8, 3rem);
  margin-bottom: var(--space-8, 40px);
}

.track-detail {
  background-color: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border-light, #e2e8f0);
  border-radius: var(--border-radius);
  padding: var(--space-6, 1.5rem);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.05));
}

.track-header {
  margin-bottom: var(--space-5, 1.5rem);
  padding-bottom: var(--space-4, 1rem);
  border-bottom: 1px solid;
}

.track-header.academic { 
  border-color: var(--phase-b-academic); 
}

.track-header.commercial { 
  border-color: var(--phase-b-commercial); 
}

.track-header h3 {
  font-size: var(--text-2xl, 1.5rem);
  font-weight: 600;
  margin-bottom: var(--space-1, 0.25rem);
  display: flex;
  align-items: center;
  gap: var(--space-3, 0.75rem);
}

.track-header.academic h3 { 
  color: var(--phase-b-academic); 
}

.track-header.commercial h3 { 
  color: var(--phase-b-commercial); 
}

/* Stage cards */
.stages-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-6, 2rem);
  margin-top: var(--space-5, 1.5rem);
}

.stage-card {
  background-color: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border-light, #e2e8f0);
  border-radius: var(--border-radius);
  padding: var(--space-6, 1.5rem);
  transition: var(--transition);
  border-top: 4px solid;
  cursor: pointer;
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.05));
}

.stage-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg, 0 8px 25px rgba(0, 0, 0, 0.15));
}

.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4, 1rem);
}

.stage-title {
  font-size: var(--text-xl, 1.25rem);
  font-weight: 600;
  line-height: var(--leading-snug, 1.375);
  color: var(--color-text, #1a1a1a);
}

.stage-number {
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-secondary, #4a5568);
  background-color: var(--color-bg, #fafafa);
  padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
  border-radius: var(--radius-full, 9999px);
}

.stage-content ul {
  margin-left: var(--space-5, 1.5rem);
  margin-bottom: var(--space-5, 1.5rem);
}

.stage-content li {
  margin-bottom: var(--space-2, 0.5rem);
  color: var(--color-text-secondary, #4a5568);
  font-size: var(--text-base, 1rem);
}

.stage-more {
  display: inline-block;
  color: var(--color-primary, #8b4513);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  margin-top: var(--space-3, 0.75rem);
  transition: var(--transition);
}

.stage-more:hover {
  color: var(--color-primary-dark, #6b3410);
  text-decoration-thickness: 3px;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: var(--z-modal, 1000);
  align-items: center;
  justify-content: center;
  padding: var(--space-5, 1.5rem);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--color-surface, #ffffff);
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-8, 3rem);
  position: relative;
  animation: slideUp 0.4s ease;
  box-shadow: var(--shadow-lg, 0 8px 25px rgba(0, 0, 0, 0.15));
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: var(--space-5, 1.5rem);
  right: var(--space-5, 1.5rem);
  background: none;
  border: none;
  color: var(--color-text, #1a1a1a);
  font-size: 1.8rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--color-bg, #fafafa);
  color: var(--color-primary, #8b4513);
}

.modal-header {
  margin-bottom: var(--space-6, 2rem);
  padding-bottom: var(--space-5, 1.5rem);
  border-bottom: 1px solid var(--color-border, #e5e5e5);
}

.modal-header h3 {
  font-size: var(--text-2xl, 1.5rem);
  font-weight: 600;
  margin-bottom: var(--space-3, 0.75rem);
}

.modal-body ul {
  margin-left: var(--space-5, 1.5rem);
  margin-bottom: var(--space-8, 3rem);
}

.modal-body li {
  margin-bottom: var(--space-3, 0.75rem);
  padding-left: var(--space-2, 0.5rem);
  color: var(--color-text-secondary, #4a5568);
  font-size: var(--text-base, 1rem);
}

.status-badge {
  display: inline-block;
  padding: var(--space-1, 0.25rem) var(--space-4, 1rem);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-sm, 0.875rem);
  font-weight: 600;
  margin-top: var(--space-3, 0.75rem);
}

.status-planned {
  background-color: rgba(107, 140, 66, 0.1);
  color: var(--color-success, #48bb78);
}

.footer-note {
  text-align: center;
  color: var(--color-text-secondary, #4a5568);
  font-size: var(--text-sm, 0.875rem);
  margin-top: var(--space-8, 3rem);
  padding-top: var(--space-5, 1.5rem);
  border-top: 1px solid var(--color-border, #e5e5e5);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .roadmap-overview {
    grid-template-columns: repeat(3, 1fr);
    min-width: 900px;
  }
  
  .tracks-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding: var(--space-4, 1rem);
  }
  
  .hero {
    padding: var(--space-8) 0 var(--space-6) 0;
  }
  
  .hero h1 {
    font-size: var(--text-4xl);
  }
  
  .controls {
    flex-direction: column;
    align-items: center;
  }
  
  .btn,
  .back-btn {
    width: 100%;
    justify-content: center;
  }
  
  .roadmap-overview {
    grid-template-columns: 1fr;
    min-width: 400px;
  }
  
  .phase-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5, 1.5rem);
  }
  
  .stages-container {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    padding: var(--space-6, 2rem);
  }

  .nav-container {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .main-nav {
    gap: var(--space-4);
  }
  
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--text-3xl);
  }
  
  .roadmap-overview {
    min-width: 300px;
  }
  
  .stage-card,
  .track-detail {
    padding: var(--space-5, 1.5rem);
  }
}