/* ========================================
   HEADER ACTION BUTTONS WITH LABELS
   ======================================== */

.header-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    width: auto !important;
}

.header-action-btn svg {
    flex-shrink: 0;
    display: block !important;
}

.header-action-btn .btn-label {
    font-size: 13px;
    font-weight: 500;
}

/* Hide labels on mobile, but ALWAYS show icons */
@media (max-width: 900px) {
    .header-action-btn .btn-label {
        display: none;
    }
    
    .header-action-btn {
        padding: 6px;
    }
}


/* ========================================
   MOBILE RESPONSIVE STYLES
   ======================================== */

@media (max-width: 768px) {
    :root {
        --page-padding-y: 12px;
        --page-padding-x: 8px;
    }

    /* Prevent horizontal overflow */
    body {
        overflow-x: hidden;
    }
    
    .main-column {
        overflow-x: hidden;
    }
    
    /* App Header - compact single row */
    .app-header {
        padding: 0 8px;
        height: var(--header-height);
        min-height: var(--header-height);
        flex-wrap: nowrap;
        gap: 4px;
    }
    
    .file-info {
        gap: 4px;
        min-width: 0;
        flex: 1 1 auto;
    }
    
    #doc-title {
        font-size: 0.9rem;
        max-width: none;
        flex: 1;
        min-width: 60px;
    }
    
    /* Window controls - single row, no wrap */
    .window-controls {
        gap: 2px;
        flex-wrap: nowrap;
        flex-shrink: 0;
    }
    
    .window-controls > div {
        gap: 2px !important;
        margin-right: 0 !important;
    }
    
    .window-controls .tool-btn {
        width: 32px;
        height: 32px;
        padding: 6px;
    }
    
    .window-controls .separator {
        display: none;
    }
    
    /* Sidebar - Full overlay on mobile */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 999;
        box-shadow: var(--shadow-lg);
        background: var(--bg-sidebar);
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }
    
    .sidebar:not(.collapsed) {
        width: 80%;
        max-width: 300px;
    }
    
    /* Add backdrop when sidebar is open */
    .sidebar:not(.collapsed)::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        pointer-events: auto;
    }
    
    /* Ribbon container - full width on mobile */
    .ribbon-container {
        padding: 0 !important;
        margin-top: 0 !important;
    }
    
    /* Ribbon toolbar - make scrollable, reduced padding */
    .ribbon-toolbar {
        padding: 4px 8px !important;
        margin-top: 0 !important;
        border-radius: 0 !important;
    }
    
    .toolbar-group {
        gap: 2px;
    }
    
    .tool-btn {
        width: 32px;
        height: 32px;
        padding: 6px;
    }
    
    .tool-select {
        font-size: 0.85rem;
        padding: 4px 6px;
        min-width: 80px;
    }
    
    /* Editor viewport - responsive width */
    .editor-viewport {
        padding: 4px 4px 8px;
        align-items: stretch;
    }
    
    .pages-container {
        padding: 4px;
        gap: 10px;
        width: 100%;
        align-items: stretch;
    }
    
    .editor-page-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        min-height: auto;
        height: auto;
        transform: scale(1) !important;
        margin: 0 auto;
    }
    
    .editor-page {
        min-height: auto;
        height: auto !important;
    }

    /* Single editor mode on mobile */
    #editor {
        min-height: 400px;
    }
    
    /* More tools menu - position better */
    #more-tools-menu {
        right: 8px;
        top: calc(var(--header-height) + var(--ribbon-height) + 8px);
    }
    
    /* Find panel - make full width on mobile */
    .find-panel {
        left: 8px;
        right: 8px;
        top: calc(var(--header-height) + 8px);
        width: auto;
    }
    
    /* Status bar */
    .status-bar {
        padding: 8px;
        font-size: 0.85rem;
    }
    
    /* Modals - full width on small screens */
    .modal-content {
        max-width: 90%;
        padding: 20px;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    :root {
        --page-padding-y: 8px;
        --page-padding-x: 6px;
    }

    .app-header {
        padding: 0 4px;
    }
    
    .sidebar:not(.collapsed) {
        width: 90%;
        max-width: none;
    }
    
    #doc-title {
        font-size: 0.85rem;
    }
    
    .window-controls .tool-btn {
        width: 28px;
        height: 28px;
        padding: 4px;
    }
    
    .tool-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .ribbon-container {
        padding: 0 !important;
        margin-top: 0 !important;
    }
    
    .ribbon-toolbar {
        padding: 2px 4px !important;
        margin-top: 0 !important;
    }

    /* Smaller viewport padding on very small screens */
    .editor-viewport {
        padding: 2px 2px 6px;
    }

    .pages-container {
        padding: 2px;
        gap: 8px;
    }
}