/* mobile.css - Responsive Mobile & Tablet Layout for FengCAD */

/* Default / Desktop: Hide mobile-only floating bars and sheets */
#mobile-mode-bar,
#mobile-drawing-actions,
.cad-mobile-modal {
  display: none;
}

@media (max-width: 900px) {
  :root {
    --toolbar-width: 50px;
    --panel-width: 280px;
    --header-height: 44px;
    --status-height: 28px;
  }

  .app-brand span {
    display: none;
  }

  .ribbon-btn span {
    display: none;
  }

  .ribbon-btn {
    padding: 6px 8px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  #app-header {
    padding: 0 8px;
    gap: 4px;
    height: 44px;
  }

  .header-center {
    display: none; /* Hide desktop zoom buttons on small screens, rely on touch pinch */
  }

  #select-unit,
  #select-lang {
    padding: 4px 6px;
    font-size: 12px;
  }

  #workspace-body {
    flex-direction: column-reverse;
  }

  /* --- Bottom Tools Palette --- */
  #tools-palette {
    width: 100vw;
    height: 56px;
    flex-direction: row;
    border-right: none;
    border-top: 1px solid var(--border-color);
    padding: 2px 6px;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 6px;
    background: #090d16;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
  }

  .tool-btn {
    min-width: 48px;
    min-height: 48px;
    flex-shrink: 0;
    border-radius: 8px;
  }

  .tool-btn .tool-label {
    font-size: 8.5px;
    letter-spacing: -0.2px;
  }

  .tool-divider {
    width: 1px;
    height: 32px;
    margin: 0 2px;
    flex-shrink: 0;
  }

  /* Make sure Pan button and More button are clearly visible */
  #tool-btn-pan,
  #btn-mobile-more-tools {
    display: flex !important;
  }

  /* --- Mobile Quick Mode Bar (Top of canvas) --- */
  #mobile-mode-bar {
    display: flex;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 120;
    gap: 4px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: 3px 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    max-width: 96vw;
    overflow-x: auto;
  }

  .m-pill {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    color: #94a3b8;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
  }

  .m-pill:active {
    transform: scale(0.95);
  }

  .m-pill.active {
    background: #0284c7;
    color: #ffffff;
    border-color: #38bdf8;
    box-shadow: 0 0 10px rgba(2, 132, 199, 0.4);
  }

  /* --- Mobile Floating Drawing Action Bar (Bottom of canvas) --- */
  #mobile-drawing-actions {
    position: absolute;
    bottom: 64px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 130;
    display: flex;
    gap: 8px;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1.5px solid #38bdf8;
    border-radius: 28px;
    padding: 6px 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
    animation: bounceIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes bounceIn {
    from {
      opacity: 0;
      transform: translate(-50%, 15px) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translate(-50%, 0) scale(1);
    }
  }

  .m-act-btn {
    border: none;
    border-radius: 20px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: transform 0.1s ease, filter 0.1s ease;
  }

  .m-act-btn:active {
    transform: scale(0.94);
  }

  .m-act-btn.done {
    background: linear-gradient(135deg, #16a34a, #15803d);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.4);
  }

  .m-act-btn.undo {
    background: #1e293b;
    color: #cbd5e1;
    border: 1px solid rgba(255, 255, 255, 0.15);
  }

  .m-act-btn.numpad {
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
  }

  .m-act-btn.cancel {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
  }

  /* --- Collapse inspector into a collapsible bottom drawer on mobile --- */
  #inspector-panel {
    position: absolute;
    bottom: 56px;
    left: 0;
    right: 0;
    width: 100vw;
    max-height: 55vh;
    border-left: none;
    border-top: 2px solid var(--accent-blue);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.5);
    z-index: 140;
    background: #0f172a;
  }

  #inspector-panel.mobile-open {
    transform: translateY(0);
  }

  #quick-dimension-bar {
    display: none; /* Hide default top bar on phone, use CAD numpad */
  }

  #status-bar {
    display: none;
  }

  /* --- Mobile Bottom Sheet Modals (Numpad & Full Drawer) --- */
  .cad-mobile-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .m-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }

  .m-numpad-sheet,
  .m-drawer-sheet {
    position: relative;
    width: 100vw;
    max-width: 460px;
    margin: 0 auto;
    background: #0f172a;
    border-top: 2px solid #38bdf8;
    border-radius: 20px 20px 0 0;
    padding: 12px 16px 20px;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    animation: sheetSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
    max-height: 85vh;
  }

  @keyframes sheetSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }

  .m-sheet-handle {
    width: 38px;
    height: 4px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    margin: 0 auto 10px;
  }

  .m-numpad-header,
  .m-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
  }

  .m-numpad-title,
  .m-drawer-title {
    font-size: 15px;
    font-weight: 800;
    color: #38bdf8;
    letter-spacing: 0.3px;
  }

  .m-sheet-close-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #cbd5e1;
    font-size: 16px;
    font-weight: bold;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* --- Numpad Display & Keypad --- */
  .m-numpad-display-box {
    background: #1e293b;
    border: 2px solid #38bdf8;
    border-radius: 12px;
    padding: 10px 16px;
    display: flex;
    justify-content: flex-end;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
  }

  .m-numpad-val {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 28px;
    font-weight: 900;
    color: #fde047;
    letter-spacing: 1px;
  }

  .m-numpad-unit {
    font-size: 16px;
    font-weight: 700;
    color: #94a3b8;
  }

  .m-numpad-presets {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    margin-bottom: 12px;
  }

  .m-preset-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 2px;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
  }

  .m-preset-btn:active {
    background: #0284c7;
    color: #ffffff;
  }

  .m-numpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
  }

  .m-key {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    color: #ffffff;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 22px;
    font-weight: 700;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
  }

  .m-key:active {
    background: #0284c7;
    transform: scale(0.96);
  }

  .m-key-backspace {
    color: #f87171;
    font-size: 18px;
  }

  .m-numpad-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 8px;
  }

  .m-btn-secondary {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #cbd5e1;
    font-size: 14px;
    font-weight: 700;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
  }

  .m-btn-primary {
    background: linear-gradient(135deg, #0284c7 0%, #1d4ed8 100%);
    border: 1px solid #38bdf8;
    color: #ffffff;
    font-size: 15px;
    font-weight: 800;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
  }

  .m-btn-primary:active {
    transform: scale(0.98);
  }

  /* --- Mobile Tool Drawer Body & Tiles --- */
  .m-drawer-body {
    overflow-y: auto;
    max-height: calc(80vh - 70px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .m-drawer-sec-title {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    color: #64748b;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
  }

  .m-tiles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .m-tile {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 10px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: #e2e8f0;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.15s ease;
  }

  .m-tile span:first-child {
    font-size: 22px;
  }

  .m-tile:active {
    background: #0284c7;
    color: #ffffff;
    transform: scale(0.96);
  }
}