/* ==========================================
   Mobile Styles - 모바일 전용 스타일
   터치 기반 모바일 기기에서만 사용되는 스타일
   ========================================== */

/* 데스크톱 전용 요소 숨김 */
.sidebar,
.layer-sidebar,
.status-bar,
.chrome-extension-link {
    display: none !important;
}

/* 모바일 상단 바 — global-nav로 대체됐으므로 숨김 */
.top-bar {
    display: none !important;
}
.top-bar-actions {
    display: none !important;
}

/* 데스크톱 텍스트 숨김 */
.desktop-text {
    display: none !important;
}

/* 모바일 전체화면 레이아웃 */
body.mobile-device {
    --mobile-toolbar-height: 72px;
}
.main-content {
    position: fixed !important;
    top: 52px !important;
    left: 0 !important;
    width: 100vw !important;
    height: calc(100vh - 52px - var(--mobile-toolbar-height)) !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: none !important;
    overflow: hidden !important;
    background: #000 !important;
}

/* PC 캔버스 완전 숨김 */
body.mobile-device .desktop-canvas {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
}

/* 모바일 전용 캔버스 - 전체화면 꽉 채움 */
body.mobile-device .mobile-canvas {
    position: fixed !important;
    top: 52px !important;
    left: 0 !important;
    width: 100vw !important;
    height: calc(100vh - 52px - var(--mobile-toolbar-height)) !important;
    background: #000 !important;
    display: flex !important;
    align-items: stretch !important;
    justify-content: stretch !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    z-index: 1 !important;
}

/* 모바일 전용 캔버스 스타일 - 완전 전체화면 */
#mobileImageCanvas {
    width: 100vw !important;
    height: calc(100vh - 52px - var(--mobile-toolbar-height)) !important;
    max-width: none !important;
    max-height: none !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: block !important;
    touch-action: none !important;
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
}

/* 모바일 전용 빈 상태 스타일 - 전체화면 */
.mobile-empty-state {
    color: rgba(255, 255, 255, 0.7) !important;
    text-align: center !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100vw !important;
    height: calc(100vh - 52px - var(--mobile-toolbar-height)) !important;
    max-width: none !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 0 !important;
}

/* 이미지 로드 후 가이드 숨김 */
.mobile-canvas.has-image .mobile-empty-state {
    display: none !important;
}

.mobile-empty-state .material-icons {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 4rem !important;
    margin-bottom: 1rem !important;
}

/* 모바일 전용 프롬프트 텍스트 */
.mobile-prompt-text {
    color: rgba(255, 255, 255, 0.7) !important;
    text-align: center !important;
    font-size: 1rem !important;
    line-height: 1.6 !important;
    padding: 0 2rem !important;
    margin: 0 !important;
    width: 100% !important;
}

/* 모바일 상단 퀵 컨트롤 */
.mobile-quick-controls {
    position: fixed !important;
    top: 64px !important;
    right: 12px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-end !important;
    gap: 8px !important;
    z-index: 1100 !important;
    transition: opacity 0.2s ease !important;
}

.mobile-quick-controls.hidden {
    opacity: 0 !important;
    pointer-events: none !important;
}

.mobile-quick-hint {
    position: fixed !important;
    top: 64px !important;
    right: 12px !important;
    z-index: 1100 !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    background: rgba(0, 0, 0, 0.6) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* 컨트롤이 보일 때 힌트 아이콘 숨김 */
.mobile-quick-controls:not(.hidden) ~ .mobile-quick-hint {
    display: none !important;
}

.mobile-fit-toggle,
.mobile-position-toggle {
    align-self: flex-end !important;
    display: inline-flex !important;
    width: auto !important;
    background: rgba(0, 0, 0, 0.75) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 999px !important;
    padding: 0.35rem 0.75rem !important;
    font-size: 0.85rem !important;
    letter-spacing: 0.02em !important;
    backdrop-filter: blur(6px) !important;
}

.mobile-position-hint {
    align-self: flex-end !important;
    display: inline-flex !important;
    width: auto !important;
    background: rgba(0, 0, 0, 0.55) !important;
    color: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 10px !important;
    padding: 0.4rem 0.6rem !important;
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
    backdrop-filter: blur(6px) !important;
}

.mobile-position-status {
    align-self: flex-end !important;
    display: inline-flex !important;
    width: auto !important;
    background: rgba(0, 0, 0, 0.55) !important;
    color: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 10px !important;
    padding: 0.4rem 0.6rem !important;
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
    backdrop-filter: blur(6px) !important;
}

/* 플로팅 액션 버튼들 */
.floating-action-buttons {
    position: fixed !important;
    bottom: 110px !important;
    right: 1rem !important;
    z-index: 100 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
}

.floating-action-buttons.collapsed .fab:not(#fabToggle) {
    display: none !important;
}

.floating-action-buttons .fab#fabToggle {
    background-color: rgba(0, 0, 0, 0.7) !important;
    color: #ffffff !important;
}

.fab {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    background-color: var(--primary) !important;
    color: var(--primary-foreground) !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.2s ease !important;
}

.fab:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2) !important;
}

.fab:active {
    transform: scale(0.95) !important;
}

.fab.save {
    background-color: var(--success-color) !important;
}

.fab.undo {
    background-color: var(--muted) !important;
    color: rgba(255, 255, 255, 0.7) !important;
}

/* 모바일 하단 툴바 */
.mobile-toolbar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background-color: rgba(0, 0, 0, 0.8) !important;
    backdrop-filter: blur(10px) !important;
    padding: 0.75rem !important;
    display: flex !important;
    justify-content: space-around !important;
    align-items: center !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
    z-index: 50 !important;
}

.toolbar-button {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0.25rem !important;
    padding: 0.5rem !important;
    background: none !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.7) !important;
    cursor: pointer !important;
    min-width: 60px !important;
    min-height: 44px !important;
    border-radius: 8px !important;
    transition: all 0.2s ease !important;
}

.toolbar-button.active {
    background-color: rgba(255, 255, 255, 0.2) !important;
    color: #FFFFFF !important;
}

.toolbar-button:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: #FFFFFF !important;
}

.toolbar-button span {
    font-size: 0.75rem !important;
}

/* 이모지 선택 레이어 */
.emoji-layer {
    position: fixed !important;
    bottom: 90px !important;
    left: 1rem !important;
    right: 1rem !important;
    background: rgba(0, 0, 0, 0.95) !important;
    border-radius: 12px !important;
    padding: 1rem !important;
    z-index: 1000 !important;
    animation: slideUp 0.3s ease-out !important;
}

.emoji-layer-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 1rem !important;
}

.emoji-layer-header h3 {
    color: #FFFFFF !important;
    margin: 0 !important;
    font-size: 1.1rem !important;
}

.emoji-close-btn {
    background: none !important;
    border: none !important;
    color: #FFFFFF !important;
    cursor: pointer !important;
    padding: 0.25rem !important;
    border-radius: 50% !important;
    transition: background-color 0.2s ease !important;
}

.emoji-close-btn:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.emoji-layer-grid {
    display: grid !important;
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 0.75rem !important;
}

.emoji-layer-btn {
    width: 48px !important;
    height: 48px !important;
    border: 2px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 8px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.5rem !important;
}

.emoji-layer-btn:hover,
.emoji-layer-btn.selected {
    border-color: #FFF !important;
    background-color: rgba(255, 255, 255, 0.2) !important;
    transform: scale(1.05) !important;
}

/* 슬라이드업 애니메이션 */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 빈 상태 스타일 */
.empty-state {
    color: rgba(255, 255, 255, 0.7) !important;
    text-align: center !important;
    padding: 2rem !important;
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

.empty-state .material-icons {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 4rem !important;
    margin-bottom: 1rem !important;
}

.empty-state div[id="uploadPromptText"] {
    width: 100% !important;
    text-align: center !important;
    font-size: 1rem !important;
    line-height: 1.6 !important;
    padding: 0 1rem !important;
}

/* 모바일 설정 패널 (필요시 추가) */
.mobile-settings-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 200;
    padding: 2rem;
    overflow-y: auto;
}

/* 터치 최적화 */
* {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.mobile-fit .mobile-position-toggle,
.mobile-fit .mobile-position-hint,
.mobile-fit .mobile-position-status {
    display: none !important;
}