@media (max-width: 767px) {
  body.planner-ui-open {
    overflow: hidden;
  }

  .planner-modal[data-planner-mode="mobile"] {
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
    background:
      radial-gradient(
        circle at 50% 0,
        rgba(37, 99, 235, 0.16),
        transparent 34%
      ),
      #f8fafc;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-modal-content {
    width: 100vw;
    height: 100dvh;
    border-radius: 0;
    background: #f8fafc;
    box-shadow: none;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-shell {
    position: relative;
    width: 100%;
    height: 100dvh;
    overflow: hidden;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-canvas-area {
    background:
      linear-gradient(
        90deg,
        rgba(15, 23, 42, 0.045) 1px,
        transparent 1px
      ),
      linear-gradient(
        rgba(15, 23, 42, 0.045) 1px,
        transparent 1px
      ),
      #f8fafc;
    background-size: 24px 24px;
  }

  .planner-modal[data-planner-mode="mobile"] #planner,
  .planner-modal[data-planner-mode="mobile"] canvas {
    background: transparent;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-close {
    top: calc(14px + env(safe-area-inset-top));
    right: 14px;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.96);
    color: #ffffff;
    box-shadow:
      0 16px 36px rgba(15, 23, 42, 0.22),
      inset 0 1px 0 rgba(255, 255, 255, 0.14);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-save-btn {
    top: calc(14px + env(safe-area-inset-top));
    right: 72px;
    bottom: auto;
    height: 48px;
    padding: 0 18px;
    border-radius: 16px;
    background:
      linear-gradient(
        135deg,
        #2563eb,
        #0ea5e9
      );
    font-size: 14px;
    box-shadow:
      0 16px 36px rgba(37, 99, 235, 0.28),
      inset 0 1px 0 rgba(255, 255, 255, 0.20);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-history-actions {
    position: fixed;
    top: calc(14px + env(safe-area-inset-top));
    left: 14px;
    z-index: 2902;
    display: flex;
    gap: 8px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-history-btn {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a;
    box-shadow:
      0 14px 34px rgba(15, 23, 42, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.76);
    backdrop-filter: blur(14px);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-history-btn span {
    display: none;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-history-btn svg {
    width: 19px;
    height: 19px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-history-btn:disabled {
    opacity: 0.42;
  }

  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-wrapper,
  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-toolbar {
    display: none !important;
  }

  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-room-panel-mobile {
    display: flex !important;
  }

  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-history-actions,
  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-properties-panel {
    display: none !important;
  }

  .planner-shell-mobile[data-planner-stage="workspace"] .planner-wrapper {
    display: block !important;
  }

  .planner-shell-mobile[data-planner-stage="workspace"] .planner-toolbar-mobile {
    display: flex !important;
  }

  .planner-shell-mobile[data-planner-stage="workspace"] .planner-room-panel-mobile {
    display: none !important;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile {
    position: fixed !important;
    left: 12px !important;
    right: 12px !important;
    bottom: calc(14px + env(safe-area-inset-bottom)) !important;
    top: auto !important;
    transform: none !important;
    width: auto !important;
    max-width: none;
    min-height: 76px;
    padding: 10px;
    gap: 9px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow:
      0 18px 46px rgba(15, 23, 42, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.80);
    backdrop-filter: blur(16px);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .tool {
    flex: 0 0 84px;
    height: 58px;
    min-width: 84px;
    padding: 8px 10px;
    justify-content: center;
    gap: 5px;
    border-radius: 16px;
    border: 1px solid transparent;
    background: rgba(248, 250, 252, 0.72);
    color: #334155;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.15;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.72);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .tool svg {
    width: 18px;
    height: 18px;
    color: #64748b;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .tool.active {
    border-color: rgba(37, 99, 235, 0.30);
    background:
      linear-gradient(
        135deg,
        #2563eb,
        #0ea5e9
      );
    color: #ffffff;
    box-shadow:
      0 12px 28px rgba(37, 99, 235, 0.28),
      inset 0 1px 0 rgba(255, 255, 255, 0.18);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .tool.active svg {
    color: #ffffff;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .tool span {
    white-space: normal;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-toolbar-mobile .room-height-box {
    display: none !important;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-task-list {
    position: fixed;
    top: auto;
    left: 12px;
    right: 12px;
    bottom: calc(96px + env(safe-area-inset-bottom));
    z-index: 2900;
    display: none;
    padding: 0;
    border: 1px solid rgba(37, 99, 235, 0.22);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    color: #0f172a;
    box-shadow:
      0 14px 34px rgba(15, 23, 42, 0.14),
      inset 0 1px 0 rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(14px);
  }

  .planner-shell-mobile[data-planner-stage="workspace"]
    .planner-task-list:not(.is-hidden) {
    display: block;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-task-list-title {
    margin: 0 4px 4px;
    color: #64748b;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-task-list-items {
    display: block;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-task-step {
    min-height: 44px;
    grid-template-columns: 10px 1fr;
    gap: 9px;
    padding: 10px 12px;
    border: 0;
    border-radius: 16px;
    background: #ffffff;
    color: #1d4ed8;
    font-size: 13px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-task-dot {
    width: 9px;
    height: 9px;
    border-color: #2563eb;
    background: #2563eb;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-tool-hint {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(96px + env(safe-area-inset-bottom));
    z-index: 2900;
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid rgba(14, 165, 233, 0.24);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.94);
    color: #0f172a;
    box-shadow:
      0 16px 38px rgba(15, 23, 42, 0.16),
      inset 0 1px 0 rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(12px);
    font-size: 13px;
    font-weight: 750;
    line-height: 1.3;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-tool-hint.is-hidden,
  .planner-shell-mobile[data-planner-stage="room-picker"] .planner-tool-hint {
    display: none !important;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-tool-hint-icon {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: #e0f2fe;
    color: #0369a1;
    font-size: 12px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-panel {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(96px + env(safe-area-inset-bottom));
    z-index: 2910;
    padding: 12px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.94);
    color: #0f172a;
    box-shadow:
      0 20px 48px rgba(15, 23, 42, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-panel.is-hidden {
    display: none;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 6px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-eyebrow {
    display: block;
    margin-bottom: 4px;
    color: #64748b;
    font-size: 11px;
    font-weight: 850;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-header h3 {
    font-size: 17px;
    line-height: 1.15;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-close {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 10px;
    background: #f8fafc;
    color: #475569;
    font-size: 20px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-body {
    display: grid;
    gap: 4px;
    margin-bottom: 8px;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.82);
    color: #64748b;
    font-size: 13px;
    font-weight: 750;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-row strong {
    color: #0f172a;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-control {
    display: grid;
    gap: 7px;
    padding: 8px 0;
    color: #64748b;
    font-size: 12px;
    font-weight: 850;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-input-wrap {
    height: 42px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 11px;
    border: 1px solid rgba(148, 163, 184, 0.26);
    border-radius: 12px;
    background: #f8fafc;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-input-wrap input {
    min-width: 0;
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: #0f172a;
    font-size: 16px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-input-wrap small {
    color: #64748b;
    font-size: 12px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-property-action {
    width: 100%;
    height: 42px;
    margin-top: 4px;
    border: 1px solid rgba(37, 99, 235, 0.20);
    border-radius: 12px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 13px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-properties-delete {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(220, 38, 38, 0.18);
    border-radius: 12px;
    background: #fee2e2;
    color: #991b1b;
    font-size: 14px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-room-panel-mobile {
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100dvh !important;
    padding:
      calc(88px + env(safe-area-inset-top))
      18px
      24px;
    border-radius: 0;
    overflow-y: auto;
    background:
      radial-gradient(
        circle at 50% 0,
        rgba(37, 99, 235, 0.12),
        transparent 34%
      ),
      #ffffff;
    z-index: 1200;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-room-panel-mobile .room-title {
    position: static;
    margin-bottom: 12px;
    color: #0f172a;
    font-size: 16px;
    font-weight: 900;
  }

  .planner-modal[data-planner-mode="mobile"] .planner-room-panel-mobile .room-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .planner-modal[data-planner-mode="mobile"] .planner-room-panel-mobile .room-card {
    width: 100%;
    height: auto;
    min-height: 136px;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    border: 1px solid #dbe3ee;
    background:
      linear-gradient(
        180deg,
        #ffffff,
        #f8fafc
      );
    box-shadow:
      0 14px 34px rgba(15, 23, 42, 0.08);
  }
}