:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-hover: #f1f3f4;
    --border-color: #e0e0e0;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --accent: #1a73e8;
    --accent-hover: #1765cc;
    --shadow: 0 1px 2px 0 rgba(60,64,67,.3), 0 1px 3px 1px rgba(60,64,67,.15);
}

/* Library View */
#docs-library-view {
    min-height: 100vh;
    padding: 24px;
}

.library-header-container {
    max-width: 1200px;
    margin: 0 auto 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.app-logo-text {
    font-size: 22px;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--accent);
    font-size: 24px;
}

.search-container {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-input-field {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s;
}

.search-input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 1px 6px rgba(26, 115, 232, 0.3);
}

.search-icon-wrapper {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 16px;
}

.create-new-document-button {
    padding: 10px 24px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.create-new-document-button:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow);
}

.documents-grid-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.document-card-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.document-card-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.document-title-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.document-date-text {
    color: var(--text-secondary);
    font-size: 13px;
}

.delete-document-button {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.document-card-item:hover .delete-document-button {
    opacity: 1;
}

.delete-document-button:hover {
    background: var(--bg-hover);
    color: #d93025;
}

/* Editor View */
#document-editor-view {
    display: none;
    flex-direction: column;
    height: 100vh;
    background: #e8eaed;
}

.editor-top-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.back-to-library-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 20px;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-library-button:hover {
    background: var(--bg-hover);
}

.document-name-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 400;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.2s;
    flex: 1;
}

.document-name-input:hover {
    background: var(--bg-hover);
}

.document-name-input:focus {
    outline: none;
    background: var(--bg-hover);
}

.editor-toolbar-container {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.toolbar-action-button, .toolbar-dropdown-select {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toolbar-action-button:hover, .toolbar-dropdown-select:hover {
    background: var(--bg-hover);
}

.toolbar-action-button.format-active {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.toolbar-dropdown-select {
    min-width: 120px;
    padding-right: 24px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235f6368' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.text-color-picker, .background-color-picker {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}

.toolbar-divider-line {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Editor Content */
.editor-content-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 40px 24px 100px;
    display: flex;
    justify-content: center;
    background: #e8eaed;
}

.document-pages-container {
    width: 816px;
    max-width: 100%;
}

.document-page-wrapper {
    width: 100%;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    position: relative;
}

.page-content {
    padding: 96px;
    outline: none;
    font-size: 11pt;
    line-height: 1.6;
    font-family: Arial, sans-serif;
    color: #000;
    box-sizing: border-box;
}

#editor-content-editable {
    padding: 96px;
    outline: none;
    font-size: 11pt;
    line-height: 1.6;
    font-family: Arial, sans-serif;
    color: #000;
    box-sizing: border-box;
    width: 100%;
}

.display-none {
    display: none !important;
}

/* Insert Panels */
.insert-panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.insert-panel-overlay.show {
    display: flex;
}

.insert-panel-content {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    min-width: 400px;
    max-width: 500px;
}

.panel-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.panel-input-group {
    margin-bottom: 16px;
}

.panel-input-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.panel-text-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-primary);
}

.panel-text-input:focus {
    outline: none;
    border-color: var(--accent);
}

.panel-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.panel-button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.panel-button-cancel {
    background: transparent;
    color: var(--text-secondary);
}

.panel-button-cancel:hover {
    background: var(--bg-hover);
}

.panel-button-primary {
    background: var(--accent);
    color: white;
}

.panel-button-primary:hover {
    background: var(--accent-hover);
}

.table-size-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    margin-bottom: 16px;
}

.table-cell-selector {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.table-cell-selector:hover, .table-cell-selector.selected {
    background: var(--accent);
    border-color: var(--accent);
}

.table-size-label {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .document-pages-container {
        width: 100%;
    }
    
    .page-content,
    #editor-content-editable {
        padding: 48px 24px;
    }
    
    .editor-toolbar-container {
        padding: 8px;
    }
    
    .library-header-container {
        flex-direction: column;
    }
    
    .search-container {
        max-width: 100%;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}