/* ==========================================
   RESPONSIVE ARCHITECTURE — PHASE 3
   Breakpoints:
   1. >= 1440px (FULL DESKTOP)
   2. 1024–1439px (COMPACT DESKTOP / TABLET LANDSCAPE)
   3. < 1024px (GAME FOCUS MODE / TABLET PORTRAIT)
   4. < 768px (MOBILE GAME MODE)
   ========================================== */

/* Zero horizontal overflow on root */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
}

/* Backdrop Overlay for Drawers */
.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 8, 18, 0.65);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Tablet Bottom Navigation Bar (Hidden by default on Desktop) */
.tablet-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 54px;
  background: rgba(8, 17, 31, 0.98);
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  z-index: 997;
  justify-content: space-around;
  align-items: center;
  padding: 0 12px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.4);
}

.nav-drawer-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.nav-drawer-btn .nav-icon {
  font-size: 16px;
}

.nav-drawer-btn.active,
.nav-drawer-btn:hover {
  color: var(--primary-amber);
  background: rgba(245, 168, 0, 0.1);
}

/* MODE B — COMPACT DESKTOP (1024px – 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
  .app-main-grid {
    grid-template-columns: clamp(180px, 15vw, 220px) minmax(0, 1fr) clamp(240px, 20vw, 280px) !important;
    gap: 10px !important;
    padding: 10px !important;
  }

  .left-sidebar {
    width: 100% !important;
  }

  .right-sidebar {
    width: 100% !important;
  }
}

/* MODE C — GAME FOCUS MODE (< 1024px) */
@media (max-width: 1023px) {
  .app-main-grid {
    grid-template-columns: 1fr !important;
    grid-template-areas:
      "board"
      "actions" !important;
    padding: 8px !important;
    padding-bottom: 64px !important; /* Space for bottom nav */
  }

  /* Show Bottom Nav */
  .tablet-bottom-nav {
    display: flex !important;
  }

  /* Transform Sidebars into Fixed Drawers */
  .left-sidebar,
  .right-sidebar {
    position: fixed !important;
    top: 56px !important;
    bottom: 54px !important;
    width: min(340px, 85vw) !important;
    height: auto !important;
    z-index: 999 !important;
    background: rgba(8, 17, 31, 0.98) !important;
    border: 1px solid rgba(148, 163, 184, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7) !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    overflow-y: auto !important;
  }

  .left-sidebar {
    left: 0 !important;
    transform: translateX(-100%) !important;
    border-radius: 0 12px 12px 0 !important;
  }

  .right-sidebar {
    right: 0 !important;
    transform: translateX(100%) !important;
    border-radius: 12px 0 0 12px !important;
  }

  .left-sidebar.drawer-active,
  .right-sidebar.drawer-active {
    transform: translateX(0) !important;
  }

  /* Controlled Viewport for GameBoard on Mobile/Tablet */
  .board-frame-wrapper, .board-viewport {
    width: 100% !important;
    display: flex !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    overflow-x: auto !important;
    overscroll-behavior-x: contain !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 10px 0 !important;
  }

  #board-container {
    min-width: 620px !important;
    margin: 0 !important;
  }
}

/* MOBILE GAME MODE (< 768px) */
@media (max-width: 767px) {
  .action-panel-container,
  .bottom-action-console {
    height: auto !important;
    padding: 10px !important;
  }

  .dice-primary-action-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
  }

  .btn-primary-action,
  #btn-roll-dice {
    width: 100% !important;
    padding: 12px !important;
    font-size: 14px !important;
  }

  .secondary-actions-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }
}


/* ==========================================
   PHASE 3.1 — MOBILE GAMEBOARD UX & COMPACT HEADER (< 768px)
   ========================================== */

@media (max-width: 767px) {
  /* Zero Horizontal Overflow on Root */
  html, body {
    overflow-x: hidden !important;
    width: 100vw !important;
    position: relative !important;
  }

  /* Compact Mobile Header (56-60px) */
  .app-header, .top-header {
    height: 58px !important;
    padding: 0 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    background: rgba(8, 17, 31, 0.98) !important;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2) !important;
  }

  /* Hide Desktop Header Items */
  .header-nav-tabs,
  .game-modes,
  .facilitator-control {
    display: none !important;
  }

  /* Mobile Header Brand & Timer Group */
  .mobile-header-brand {
    font-size: 13px !important;
    font-weight: 900 !important;
    color: var(--text-primary) !important;
  }

  .mobile-header-menu-btn {
    background: transparent !important;
    border: 1px solid rgba(148, 163, 184, 0.2) !important;
    color: var(--text-primary) !important;
    font-size: 16px !important;
    padding: 4px 10px !important;
    border-radius: 6px !important;
    cursor: pointer !important;
  }

  /* Mobile Controlled Board Viewport */
  .board-frame-wrapper, .board-viewport {
    width: 100% !important;
    display: flex !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    overflow-x: auto !important;
    overscroll-behavior-x: contain !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 10px 0 !important;
  }

  #board-container {
    min-width: 620px !important;
    margin: 0 !important;
  }

  /* Mobile Mission Control Formatting (Center readable) */
  .dream-center-hub,
  #center-hub-stage,
  .mission-control-hud {
    width: min(100%, calc(100vw - 24px)) !important;
    max-width: 480px !important;
    padding: 12px 14px !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
  }

  .mission-control-title {
    font-size: 14px !important;
    line-height: 1.3 !important;
    margin-bottom: 6px !important;
    text-align: center !important;
  }

  .mission-control-stages {
    font-size: 11px !important;
    margin-bottom: 8px !important;
  }

  .mission-control-triad {
    font-size: 11px !important;
    padding: 5px 8px !important;
    margin-bottom: 8px !important;
  }

  .mission-control-pipeline {
    font-size: 11px !important;
    padding: 5px 8px !important;
  }

  /* Mobile Action Panel Stack */
  .action-panel-container,
  .bottom-action-console {
    padding: 10px 12px !important;
    gap: 8px !important;
  }

  .turn-header-row {
    justify-content: space-between !important;
    font-size: 12px !important;
  }

  .dice-primary-action-row {
    flex-direction: column !important;
    gap: 8px !important;
  }

  .dice-area-block {
    justify-content: center !important;
    padding: 6px 14px !important;
    font-size: 13px !important;
  }

  .btn-primary-action,
  #btn-roll-dice {
    width: 100% !important;
    min-height: 48px !important;
    font-size: 14px !important;
    font-weight: 900 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .secondary-actions-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }

  /* Mobile Bottom Navigation (64-68px) */
  .tablet-bottom-nav {
    height: 64px !important;
    padding-bottom: env(safe-area-inset-bottom, 0px) !important;
  }

  .nav-drawer-btn {
    padding: 6px 14px !important;
    font-size: 11px !important;
  }

  /* Mobile Drawers (min 340px, 88vw) */
  .left-sidebar,
  .right-sidebar {
    width: min(340px, 88vw) !important;
    top: 58px !important;
    bottom: 64px !important;
  }
}


/* ==========================================
   PHASE 3.1.1 — STRICT MOBILE HEADER & HUB CENTERING OVERRIDES (< 768px)
   ========================================== */

@media (max-width: 767px) {
  /* Повне приховування зайвих елементів шапки на мобільних */
  .facilitator-control,
  .game-modes,
  #mode-solo,
  #mode-online,
  .header-nav-tabs,
  .header-controls,
  .top-header-right-controls {
    display: none !important;
  }

  .mobile-header-brand {
    display: block !important;
    font-size: 13px !important;
    font-weight: 900 !important;
    color: var(--text-primary) !important;
  }

  .mobile-header-menu-btn {
    display: block !important;
    background: transparent !important;
    border: 1px solid rgba(148, 163, 184, 0.2) !important;
    color: var(--text-primary) !important;
    font-size: 16px !important;
    padding: 4px 10px !important;
    border-radius: 6px !important;
    cursor: pointer !important;
  }

  /* Mission Control: 100% заповнення внутрішньої сітки без внутрішніх overflow */
  .dream-center-hub,
  #center-hub-stage,
  .mission-control-hud {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 10px 12px !important;
    overflow: visible !important;
  }
}


/* ==========================================
   PHASE 3.1.2 — MOBILE MISSION CONTROL WIDTH & COLLISION FIX (< 768px)
   ========================================== */

@media (max-width: 767px) {
  .board-frame-wrapper,
  .board-viewport {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    overflow-x: auto !important;
    overscroll-behavior-x: contain !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 10px 0 !important;
  }

  #board-container {
    min-width: 580px !important;
    margin: 0 !important;
  }

  .dream-center-hub,
  #center-hub-stage,
  .mission-control-hud {
    width: calc(100vw - 32px) !important;
    max-width: 350px !important;
    height: auto !important;
    max-height: calc(100% - 24px) !important;
    justify-self: center !important;
    align-self: center !important;
    box-sizing: border-box !important;
    padding: 5px 8px !important;
    gap: 2px !important;
    overflow: visible !important;
  }

  .mission-control-title {
    font-size: 14px !important;
    line-height: 1.15 !important;
    margin-bottom: 2px !important;
  }

  .mission-control-stages {
    font-size: 11px !important;
    margin-bottom: 4px !important;
  }

  .mission-control-triad {
    font-size: 10px !important;
    padding: 4px 6px !important;
    margin-bottom: 4px !important;
  }

  .mission-control-pipeline {
    font-size: 10px !important;
    padding: 4px 6px !important;
  }
}


/* ==========================================
   PHASE 5 HOTFIX — MOBILE DECISION MODAL (< 768px)
   ========================================== */

@media (max-width: 767px) {
  /* Prevent Background Body Scroll when Modal is open */
  body.modal-open {
    overflow: hidden !important;
  }

  /* Hidden state for modals without .show */
  .game-modal-overlay:not(.show) {
    display: none !important;
    pointer-events: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
  }

  /* Center Active Modals in Viewport */
  .game-modal-overlay.show {
    display: flex !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 8px !important;
    box-sizing: border-box !important;
  }

  /* Modal Cards Container Architecture */
  .decision-modal-card,
  .mir-modal-card,
  .victory-modal-card,
  .v32-modal-container,
  .trap-modal-card {
    width: calc(100vw - 16px) !important;
    max-width: 100% !important;
    height: auto !important;
    max-height: calc(100vh - 16px) !important;
    max-height: calc(100dvh - 16px) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    margin: auto !important;
    box-sizing: border-box !important;
    border-radius: 12px !important;
    padding: 12px !important;
  }

  /* Header & Timer (Fixed at top) */
  .modal-card-header,
  .mir-header,
  .turn-timer-bar-wrapper {
    flex: 0 0 auto !important;
  }

  /* Scrollable Middle Content */
  .modal-card-situation,
  .modal-prompt-label,
  .modal-answers-list,
  .mir-modal-body,
  .trap-modal-body {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    overscroll-behavior: contain !important;
    -webkit-overflow-scrolling: touch !important;
    padding-right: 4px !important;
  }

  /* Sticky Action Footer */
  .modal-actions-bar,
  .mir-actions-bar,
  .trap-actions-bar {
    flex: 0 0 auto !important;
    position: sticky !important;
    bottom: 0 !important;
    z-index: 20 !important;
    background: rgba(8, 17, 31, 0.98) !important;
    padding: 10px 0 !important;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)) !important;
    border-top: 1px solid rgba(148, 163, 184, 0.2) !important;
    margin-top: 8px !important;
    display: flex !important;
    gap: 8px !important;
  }

  /* CTA Buttons */
  .btn-modal-submit,
  .btn-modal-continue,
  #btn-modal-submit-decision {
    min-height: 48px !important;
    width: 100% !important;
    font-size: 15px !important;
    font-weight: 800 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Mobile Answer Cards Sizing */
  .modal-answers-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    margin: 10px 0 !important;
  }

  .answer-option-card,
  .modal-answer-item {
    padding: 12px 14px !important;
    gap: 10px !important;
    font-size: 14px !important;
    line-height: 1.35 !important;
    border-radius: 8px !important;
  }

  .answer-badge,
  .option-badge {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    font-size: 14px !important;
    font-weight: 900 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Selected Answer State */
  .answer-option-card.selected,
  .modal-answer-item.selected {
    border: 2px solid #3B82F6 !important;
    background: rgba(59, 130, 246, 0.15) !important;
  }
}


/* ==========================================
   PHASE 5.1 — MOBILE SUMMARY / TRANSITION SCREEN (< 768px)
   ========================================== */

@media (max-width: 767px) {
  #modal-spp-dream-summary {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 12px !important;
    box-sizing: border-box !important;
  }

  .spp-summary-card {
    width: calc(100vw - 24px) !important;
    max-width: 480px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    background: rgba(15, 23, 42, 0.98) !important;
    border: 1px solid rgba(56, 189, 248, 0.4) !important;
    border-radius: 14px !important;
    padding: 16px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8) !important;
    box-sizing: border-box !important;
  }

  .spp-stat-row {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 2px !important;
    padding: 4px 0 !important;
  }

  @media (min-width: 400px) {
    .spp-stat-row {
      flex-direction: row !important;
      justify-content: space-between !important;
      align-items: center !important;
    }
  }

  #btn-proceed-phase5 {
    width: 100% !important;
    min-height: 48px !important;
    font-size: 14px !important;
    font-weight: 900 !important;
    white-space: normal !important;
    text-align: center !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 12px !important;
  }
}


/* Phase 8 Mobile Live HUD Standards (<768px) */
@media (max-width: 767px) {
  .live-hud-bar {
    width: calc(100% - 16px) !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 auto 8px auto !important;
    padding: 8px 10px !important;
    font-size: 11px !important;
  }

  .hud-top-subrow {
    font-size: 12px !important;
  }

  .hud-bottom-subrow {
    font-size: 11px !important;
    gap: 4px !important;
  }

  .hud-metric-pill, .hud-triad-pill {
    padding: 2px 6px !important;
  }
}


@media (max-width: 767px) {
  .hud-mini-icon {
    width: 20px !important;
    height: 20px !important;
  }
  .hud-triad-pill .hud-mini-icon {
    width: 18px !important;
    height: 18px !important;
  }
}



/* Phase 8.0.2 Mobile ActionPanel & Board Adaptive Height (< 768px) */
@media (max-width: 767px) {
  .col-center {
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
  }

  .board-frame-wrapper {
    max-height: calc(100dvh - 360px) !important;
  }

  .action-panel-container {
    width: calc(100% - 16px) !important;
    max-width: 100% !important;
    margin: 0 auto 8px auto !important;
    padding: 6px 8px !important;
    gap: 4px !important;
    box-sizing: border-box !important;
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: 10px !important;
  }

  .dice-primary-action-row {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 6px !important;
  }

  #btn-roll-dice {
    min-height: 42px !important;
    font-size: 13px !important;
    font-weight: 800 !important;
    padding: 6px 10px !important;
  }

  .secondary-actions-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 4px !important;
  }

  .secondary-actions-grid > button:nth-child(3) {
    grid-column: 1 / -1 !important;
  }

  .btn-secondary-action {
    min-height: 34px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    padding: 4px 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
  }
}