/* ==========================================================================
   MAYANK MANJUL PORTFOLIO - MOBILE DEDICATED STYLESHEET
   Active strictly on viewports <= 768px (Phones and compact tablets)
   Desktop / PC mode is 100% isolated and never loads these rules.
   ========================================================================== */

@media (max-width: 768px) {
  /* 1. Global Viewport & Reset */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
    position: relative !important;
    -webkit-overflow-scrolling: touch !important;
    background: #070a0f !important;
    padding-top: 56px !important;
    padding-bottom: 34px !important;
  }

  /* 2. Eliminate Dark Screen Overlays & Heavy GPU Canvas on Mobile */
  .hud-scanlines,
  .hud-vignette {
    display: none !important;
  }

  .background-canvas,
  #bg-canvas {
    display: none !important;
  }

  .hide-mobile {
    display: none !important;
  }

  /* 3. Top Engine Bar: Single Line Header (No Cutoff, No 3-Line Wrap) */
  .engine-top-bar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 48px !important;
    background: rgba(7, 10, 15, 0.98) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 12px !important;
    z-index: 1000 !important;
    overflow: visible !important;
    box-sizing: border-box !important;
  }

  .theme-dropdown-wrapper {
    position: relative !important;
    z-index: 1001 !important;
  }

  .theme-menu {
    position: absolute !important;
    top: calc(100% + 6px) !important;
    right: 0 !important;
    min-width: 210px !important;
    background: #0d1522 !important;
    border: 1px solid var(--theme-accent) !important;
    border-radius: 6px !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.95), 0 0 16px rgba(var(--theme-accent-rgb), 0.35) !important;
    padding: 6px !important;
    z-index: 2000 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
  }

  .theme-menu[hidden] {
    display: none !important;
  }

  .theme-menu button {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 12px !important;
    width: 100% !important;
    font-size: 0.8rem !important;
    color: #e2e8f0 !important;
    border-radius: 4px !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    text-align: left !important;
    -webkit-tap-highlight-color: transparent !important;
  }

  .theme-menu button:active,
  .theme-menu button.active {
    background: rgba(var(--theme-accent-rgb), 0.22) !important;
    color: #ffffff !important;
  }

  .engine-brand {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    font-size: 0.88rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    flex-shrink: 0 !important;
  }

  .engine-brand .highlight,
  .engine-brand .build-badge {
    display: none !important;
  }

  .telemetry-group.left {
    gap: 6px !important;
  }

  .telemetry-group.right {
    gap: 6px !important;
    flex-shrink: 0 !important;
  }

  .telemetry-pill.live-indicator,
  .telemetry-group.right .telemetry-pill {
    display: none !important;
  }

  .hud-control-btn {
    padding: 6px 9px !important;
    font-size: 0.85rem !important;
    min-width: 32px !important;
    min-height: 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .btn-terminal-pill {
    display: none !important;
  }

  /* 4. Hide Desktop Top Nav on Mobile (Accordion Deck replaces it) */
  .hud-nav {
    display: none !important;
  }

  /* 5. Mobile In-Page Accordion Deck Styling */
  .hud-section,
  .hero-section {
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    height: auto !important;
    display: block !important;
    border-bottom: 1px solid rgba(0, 242, 254, 0.18) !important;
  }

  .hud-section.mobile-collapsed,
  .hero-section.mobile-collapsed {
    min-height: 0 !important;
    height: auto !important;
    padding: 0 !important;
    margin: 0 !important;
    display: block !important;
  }

  .mobile-deck-header {
    scroll-margin-top: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    min-height: 52px !important;
    padding: 0 16px !important;
    background: rgba(12, 18, 30, 0.96) !important;
    border: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.07) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.5) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-tech) !important;
    font-size: 0.92rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    cursor: pointer !important;
    text-align: left !important;
    transition: background 0.15s ease !important;
    -webkit-tap-highlight-color: transparent !important;
    user-select: none !important;
    box-sizing: border-box !important;
  }

  .mobile-deck-header .deck-header-left {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
  }

  .mobile-deck-header .deck-header-index {
    font-family: var(--font-mono) !important;
    font-size: 0.74rem !important;
    font-weight: 700 !important;
    color: var(--theme-accent) !important;
    background: rgba(var(--theme-accent-rgb), 0.14) !important;
    border: 1px solid rgba(var(--theme-accent-rgb), 0.35) !important;
    padding: 2px 7px !important;
    border-radius: 3px !important;
  }

  .mobile-deck-header .deck-header-title {
    color: #e6f1ff !important;
  }

  .deck-badge-offline {
    font-family: var(--font-mono) !important;
    font-size: 0.62rem !important;
    font-weight: 700 !important;
    color: #ffaa00 !important;
    background: rgba(255, 170, 0, 0.12) !important;
    border: 1px solid rgba(255, 170, 0, 0.4) !important;
    padding: 2px 6px !important;
    border-radius: 3px !important;
    letter-spacing: 0.05em !important;
    margin-left: 6px !important;
    display: inline-block !important;
    vertical-align: middle !important;
  }

  .mobile-deck-header .deck-header-chevron {
    font-size: 1.15rem !important;
    color: var(--theme-accent) !important;
  }

  .mobile-deck-header:active {
    background: rgba(18, 28, 48, 0.98) !important;
  }

  .mobile-deck-header.active {
    background: linear-gradient(90deg, rgba(var(--theme-accent-rgb), 0.2) 0%, rgba(10, 16, 26, 0.98) 100%) !important;
    border-left: 4px solid var(--theme-accent) !important;
  }

  .mobile-deck-header.active .deck-header-title {
    color: var(--theme-accent) !important;
    text-shadow: 0 0 10px rgba(var(--theme-accent-rgb), 0.4) !important;
  }

  /* Content area inside sections on mobile */
  .hud-section.mobile-collapsed > .section-container,
  .hud-section.mobile-collapsed > .section-heading,
  .hud-section.mobile-collapsed > .sandbox-container,
  .hud-section.mobile-collapsed > .statetree-editor-window,
  .hud-section.mobile-collapsed > .manifesto-grid,
  .hud-section.mobile-collapsed > .projects-grid,
  .hud-section.mobile-collapsed > .timeline-xp-wrapper,
  .hud-section.mobile-collapsed > .arsenal-grid,
  .hud-section.mobile-collapsed > .contact-deck-grid,
  .hud-section.mobile-collapsed > .hud-platform-banner {
    display: none !important;
  }

  .hud-section:not(.mobile-collapsed) > .section-container {
    padding: 24px 14px 36px 14px !important;
    display: block !important;
    animation: hudFadeIn 0.25s ease-out !important;
  }

  .section-title {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    background: none !important;
    font-size: 1.45rem !important;
    line-height: 1.25 !important;
    margin-bottom: 10px !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8) !important;
  }

  /* 6. Section 01: Hero Content */
  .hero-section:not(.mobile-collapsed) {
    min-height: 0 !important;
    display: block !important;
  }

  .hero-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
  }

  .hero-name {
    font-size: clamp(2.1rem, 8.5vw, 3.2rem) !important;
    margin-bottom: 12px !important;
    line-height: 1.05 !important;
  }

  .hero-tagline {
    font-size: 1.1rem !important;
    line-height: 1.4 !important;
    margin-bottom: 14px !important;
  }

  .hero-bio {
    font-size: 0.96rem !important;
    line-height: 1.55 !important;
    margin-bottom: 20px !important;
  }

  .quick-metrics-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
    margin-bottom: 22px !important;
  }

  .metric-card {
    padding: 10px 12px !important;
  }

  .metric-value {
    font-size: 1.45rem !important;
  }

  .hero-actions {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }

  .hero-actions .btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 14px !important;
    font-size: 0.88rem !important;
  }

  .hero-tactical-viewport,
  .hud-panel-frame {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }

  .avatar-photo-frame {
    width: 82px !important;
    height: 82px !important;
  }

  .avatar-ring-outer {
    width: 104px !important;
    height: 104px !important;
  }

  .avatar-ring-inner {
    width: 92px !important;
    height: 92px !important;
  }

  /* 7. Section 02: Manifesto */
  .manifesto-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
  }

  .pillar-card {
    padding: 14px 16px !important;
    gap: 14px !important;
  }

  /* Mobile Demo Notice / Warning Banner */
  .mobile-demo-notice {
    background: rgba(0, 242, 254, 0.08) !important;
    border: 1px solid rgba(0, 242, 254, 0.3) !important;
    border-left: 4px solid var(--theme-accent) !important;
    padding: 10px 14px !important;
    border-radius: 4px !important;
    margin-bottom: 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    font-size: 0.78rem !important;
    line-height: 1.4 !important;
    color: #c4d7ec !important;
  }

  .mobile-demo-notice .notice-icon {
    font-size: 1.3rem !important;
    flex-shrink: 0 !important;
  }

  .mobile-demo-notice strong {
    color: var(--theme-accent) !important;
    display: block !important;
    margin-bottom: 2px !important;
    font-family: var(--font-tech) !important;
    letter-spacing: 0.05em !important;
    font-size: 0.75rem !important;
  }

  /* 8. Section 03: Playground (Disabled & Replaced with Calibration Card) */
  .sandbox-section .sandbox-container {
    display: none !important;
  }

  .playground-calibration-card {
    padding: 20px 16px !important;
    gap: 14px !important;
    margin-top: 10px !important;
  }

  .calibration-title {
    font-size: 1.25rem !important;
  }

  .calibration-desc {
    font-size: 0.88rem !important;
    line-height: 1.5 !important;
  }

  .calibration-grid {
    grid-template-columns: 1fr !important;
    padding: 12px 14px !important;
    gap: 10px !important;
  }

  .calibration-actions .btn {
    width: 100% !important;
  }

  /* 9. Section 04: Projects Grid */
  .filter-controls {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    flex-wrap: nowrap !important;
    padding-bottom: 6px !important;
    margin-bottom: 18px !important;
    gap: 8px !important;
  }

  .filter-controls::-webkit-scrollbar {
    display: none !important;
  }

  .filter-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    font-size: 0.74rem !important;
    padding: 6px 12px !important;
  }

  .projects-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .project-card {
    padding: 16px 14px !important;
  }

  .card-media-banner {
    height: 185px !important;
  }

  .card-actions-row {
    flex-direction: column !important;
    gap: 8px !important;
  }

  .card-actions-row .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* 10. Section 05: StateTree Node Graph */
  .editor-toolbar {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
    padding: 10px 12px !important;
  }

  .editor-file-info {
    font-size: 0.68rem !important;
    width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }

  .editor-actions {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    width: 100% !important;
    gap: 6px !important;
    padding-bottom: 4px !important;
  }

  .editor-actions::-webkit-scrollbar {
    display: none !important;
  }

  .node-state-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    font-size: 0.72rem !important;
    padding: 5px 10px !important;
  }

  .node-graph-viewport {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    position: relative !important;
    max-width: 100% !important;
    background: radial-gradient(circle at 50% 50%, #0e1a2c 0%, #06090e 100%) !important;
  }

  .node-graph-svg {
    width: 960px !important;
    min-width: 960px !important;
    height: 460px !important;
    display: block !important;
  }

  /* 11. Section 06: Experience Timeline */
  .xp-event-card {
    grid-template-columns: 1fr !important;
    padding: 16px 14px !important;
    gap: 10px !important;
  }

  .timeline-xp-wrapper::before {
    display: none !important;
  }

  /* 12. Section 07: Arsenal / Skills */
  .arsenal-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .arsenal-card {
    padding: 16px 14px !important;
  }

  /* 13. Section 08: Contact */
  .contact-deck-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .contact-info-panel,
  .contact-form-panel {
    padding: 16px 14px !important;
  }

  /* 14. Bottom Bar */
  .engine-bottom-bar {
    padding: 0 10px !important;
    height: 32px !important;
    font-size: 0.65rem !important;
  }

  .bottom-center,
  .bottom-right {
    display: none !important;
  }

  .bottom-left {
    width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    font-size: 0.65rem !important;
  }

  /* 15. Modals on Mobile */
  .hud-modal {
    padding: 6px !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .modal-dialog {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 94vh !important;
  }

  .modal-header {
    padding: 10px 12px !important;
  }

  .modal-actions-right {
    gap: 6px !important;
    flex-wrap: wrap !important;
  }

  .modal-body {
    padding: 12px 10px !important;
  }
}

@keyframes hudFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}