/* ==========================================================================
   TENSORARCADE COMPONENTS CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   NAVBAR
   -------------------------------------------------------------------------- */
.arcade-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-canvas);
  border-bottom: var(--border-width) solid var(--border-color);
  backdrop-filter: blur(12px);
  background-color: rgba(250, 247, 238, 0.92);
  transition: background-color var(--transition-smooth);
}

[data-theme="dark"] .arcade-header {
  background-color: rgba(10, 14, 23, 0.92);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: var(--arcade-amber);
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  font-size: 1.1rem;
  color: #121826;
}

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

.brand-title {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: all var(--transition-snappy);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background-color: var(--bg-card);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.icon-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.icon-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--shadow-color);
}

/* --------------------------------------------------------------------------
   LEVEL & XP STATUS HUD BANNER
   -------------------------------------------------------------------------- */
.hud-banner {
  background-color: var(--bg-card);
  border-bottom: var(--border-width) solid var(--border-color);
  padding: 0.65rem 0;
  font-family: var(--font-mono);
}

.hud-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.hud-player {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hud-level-badge {
  background: var(--arcade-amber);
  color: #121826;
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  padding: 0.3rem 0.6rem;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
}

.hud-rank {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.hud-progress-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  max-width: 500px;
}

.hud-bar-outer {
  flex: 1;
  height: 14px;
  background-color: var(--bg-card-subtle);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.hud-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--arcade-amber), var(--arcade-green));
  transition: width 0.4s ease-out;
}

.hud-stats {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  position: relative;
  border-bottom: var(--border-width) solid var(--border-color);
  background-color: var(--bg-card-subtle);
}

.hero-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-card);
  padding: 0.45rem 1rem;
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-title {
  font-family: var(--font-pixel);
  font-size: clamp(1.6rem, 3.8vw, 2.9rem);
  line-height: 1.4;
  color: var(--text-primary);
  max-width: 1050px;
}

.hero-title .highlight-amber {
  color: #D97706;
  text-shadow: 2px 2px 0px rgba(0,0,0,0.1);
}

.hero-title .highlight-green {
  color: #059669;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 820px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  width: 100%;
  max-width: 1100px;
  margin-top: 1.5rem;
}

.stat-card {
  padding: 1.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-card-number {
  font-family: var(--font-pixel);
  font-size: 1.4rem;
  color: var(--text-primary);
}

.stat-card-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   ROADMAP QUEST TREE
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 2.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--arcade-amber);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-family: var(--font-pixel);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 750px;
}

.roadmap-container {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: relative;
}

.stage-card {
  border: var(--border-width) solid var(--border-color);
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.stage-card:hover {
  box-shadow: var(--shadow-lg);
}

.stage-header {
  padding: 1.5rem;
  background-color: var(--bg-surface);
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  gap: 1rem;
}

.stage-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stage-number {
  width: 46px;
  height: 46px;
  background-color: var(--arcade-amber-light);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  font-weight: 700;
  color: #121826;
  flex-shrink: 0;
}

.stage-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stage-title {
  font-family: var(--font-pixel);
  font-size: 1rem;
  color: var(--text-primary);
}

.stage-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stage-toggle-icon {
  font-family: var(--font-pixel);
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.stage-card.collapsed .stage-toggle-icon {
  transform: rotate(-90deg);
}

.stage-card.collapsed .stage-body {
  display: none;
}

.stage-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  background-color: var(--bg-card);
}

.stage-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.stage-modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.module-box {
  background-color: var(--bg-canvas);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.module-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.milestones-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.milestone-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.milestone-checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 3px;
  background: var(--bg-surface);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: all var(--transition-snappy);
}

.milestone-checkbox:checked {
  background-color: var(--arcade-green);
}

.milestone-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 11px;
  font-weight: 900;
}

.milestone-item.completed span {
  text-decoration: line-through;
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   RESOURCE MATRIX (SEARCH & FILTER)
   -------------------------------------------------------------------------- */
.filter-toolbar {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.search-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 3rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  background-color: var(--bg-canvas);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-inner);
  transition: border-color var(--transition-snappy);
}

.search-input:focus {
  border-color: var(--arcade-amber);
  outline: none;
}

.search-icon {
  position: absolute;
  left: 1.1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.search-kbd-hint {
  position: absolute;
  right: 1rem;
  padding: 0.2rem 0.5rem;
  background-color: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.filter-pills-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-chip {
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-snappy);
}

.filter-chip:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.filter-chip.active {
  background-color: var(--arcade-amber);
  color: #121826;
  box-shadow: 1px 1px 0px var(--shadow-color);
  transform: translate(1px, 1px);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.resource-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
  position: relative;
}

.resource-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.resource-card-top {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.resource-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.resource-title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.resource-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.resource-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.resource-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  color: var(--text-muted);
}

.resource-card-footer {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1.5px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.bookmark-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: color var(--transition-snappy);
}

.bookmark-btn.saved {
  color: var(--arcade-amber);
}

/* --------------------------------------------------------------------------
   VIDEO VAULT CARDS
   -------------------------------------------------------------------------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}

.video-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.video-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.video-thumb-container {
  height: 180px;
  background-color: #0F172A;
  border-bottom: var(--border-width) solid var(--border-color);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.video-play-badge {
  width: 54px;
  height: 54px;
  background-color: #EF4444;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  transition: transform var(--transition-snappy);
}

.video-card:hover .video-play-badge {
  transform: scale(1.1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.85);
  color: white;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.video-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

/* --------------------------------------------------------------------------
   BOOKSHELF SECTION
   -------------------------------------------------------------------------- */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.book-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 10px solid var(--border-color);
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.book-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-xl);
}

/* --------------------------------------------------------------------------
   FAANG PLAYBOOK ACCORDION & CARDS
   -------------------------------------------------------------------------- */
.playbook-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 900px) {
  .playbook-grid {
    grid-template-columns: 1fr;
  }
}

.playbook-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.playbook-title {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.playbook-steps-list {
  list-style: none;
  counter-reset: playbook-counter;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.playbook-step-item {
  counter-increment: playbook-counter;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.playbook-step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  background-color: var(--arcade-amber-light);
  border: 1.5px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  color: #121826;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   MODAL / DRAWER DIALOG (MODERN CSS GUIDANCE)
   -------------------------------------------------------------------------- */
.arcade-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 1;
  visibility: visible;
  transition: display 0.3s, opacity 0.3s ease-out, visibility 0.3s;
  transition-behavior: allow-discrete;
}

@starting-style {
  .arcade-modal {
    opacity: 0;
  }
}

.arcade-modal:where(.hidden, [hidden]) {
  display: none;
  opacity: 0;
  visibility: hidden;
}

.arcade-modal-box {
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  background-color: var(--bg-card);
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transform: translate(0, 0);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.arcade-modal:where(.hidden, [hidden]) .arcade-modal-box {
  transform: translate(0, 20px);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-surface);
  border-bottom: var(--border-width) solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-pixel);
  font-size: 0.95rem;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 700;
}

.modal-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.arcade-footer {
  margin-top: 5rem;
  border-top: var(--border-width) solid var(--border-color);
  background-color: var(--bg-card);
  padding: 3.5rem 0 2rem;
  font-family: var(--font-mono);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-heading {
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-snappy);
}

.footer-link:hover {
  color: var(--arcade-amber);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1.5px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   PROJECT QUEST VAULT (PORTFOLIO TIERS)
   -------------------------------------------------------------------------- */
.projects-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.75rem;
}

.project-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
  position: relative;
}

.project-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-xl);
}

/* God Level Project special styling */
.project-card.tier-god {
  border-color: #8B5CF6;
  box-shadow: 4px 4px 0px #6D28D9, 0 0 16px rgba(139, 92, 246, 0.25);
}

.project-card.tier-god:hover {
  box-shadow: 6px 6px 0px #6D28D9, 0 0 24px rgba(139, 92, 246, 0.45);
}

.neo-badge-god {
  background: linear-gradient(135deg, #8B5CF6, #EC4899);
  color: #FFFFFF !important;
  border-color: #4C1D95 !important;
  font-weight: 900;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  animation: pulse-god 2.5s infinite alternate;
}

@keyframes pulse-god {
  0% { transform: scale(1); filter: brightness(1); }
  100% { transform: scale(1.04); filter: brightness(1.2); }
}

.project-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-domain {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.project-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-top: 0.35rem;
}

.project-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-meta-box {
  background-color: var(--bg-canvas);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.resume-bullet-callout {
  background-color: var(--arcade-amber-light);
  border-left: 4px solid var(--arcade-amber);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #121826;
}

.resume-bullet-label {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: #B45309;
  display: block;
  margin-bottom: 0.35rem;
}

/* --------------------------------------------------------------------------
   FORMULA SHEET & TOOL ARSENAL
   -------------------------------------------------------------------------- */
.formula-category-box {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.formula-item {
  background-color: var(--bg-canvas);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.formula-code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  background-color: var(--bg-card);
  padding: 0.65rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #0369A1;
  overflow-x: auto;
}

[data-theme="dark"] .formula-code {
  color: #38BDF8;
}

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

.tool-group-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tool-list-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-color);
}

/* --------------------------------------------------------------------------
   MEDIA QUERIES (RESPONSIVE DESIGN)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can be toggled on mobile */
  }
  .hud-content {
    flex-direction: column;
    align-items: stretch;
  }
  .hud-progress-group {
    max-width: 100%;
  }
  .stage-info {
    gap: 0.75rem;
  }
  .stage-number {
    width: 38px;
    height: 38px;
    font-size: 0.75rem;
  }
}

/* --------------------------------------------------------------------------
   CUSTOM RETRO ARCADE CURSOR
   -------------------------------------------------------------------------- */
#arcade-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: var(--arcade-amber);
  border: 1.5px solid var(--border-color);
  border-radius: 2px;
  pointer-events: none;
  z-index: 1000000;
  transform: translate(-50%, -50%);
  transition: width 0.15s, height 0.15s, background-color 0.15s, border-radius 0.15s;
  box-shadow: 0 0 6px var(--arcade-amber);
  will-change: transform;
}

#arcade-cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 2px solid var(--arcade-amber);
  border-radius: 6px;
  pointer-events: none;
  z-index: 999999;
  transform: translate(-50%, -50%);
  transition: width 0.22s cubic-bezier(0.16, 1, 0.3, 1), 
              height 0.22s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.2s, 
              background-color 0.2s,
              opacity 0.2s;
  opacity: 0.85;
  box-shadow: 2px 2px 0px var(--border-color);
  will-change: transform;
}

/* Hovering over interactive elements: turns into diamond crosshair target */
body.cursor-hovering #arcade-cursor-ring {
  width: 48px;
  height: 48px;
  border-color: var(--arcade-green);
  background-color: rgba(16, 185, 129, 0.12);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4);
}

body.cursor-hovering #arcade-cursor-dot {
  background-color: var(--arcade-green);
  box-shadow: 0 0 8px var(--arcade-green);
  border-radius: 50%;
  width: 6px;
  height: 6px;
}

/* Active click state */
body.cursor-clicking #arcade-cursor-ring {
  width: 22px;
  height: 22px;
  transform: translate(-50%, -50%) scale(0.85);
  background-color: rgba(245, 158, 11, 0.3);
}

/* Hide on touch devices */
@media (pointer: coarse), (hover: none) {
  #arcade-cursor-dot,
  #arcade-cursor-ring {
    display: none !important;
  }
}