.page-header {
    padding: var(--space-10) var(--space-6);
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-card);
}

.page-header h1 {
    margin-bottom: var(--space-3);
}

.page-header p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.workspace {
    display: flex;
    flex-direction: column;
}

.workspace-main {
    flex: 1;
    padding: var(--space-8) var(--space-6);
    display: flex;
    justify-content: center;
    min-width: 0;
}

.tool-panel {
    width: 100%;
    max-width: 1100px;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    display: none;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.tool-panel.active {
    display: block;
}

.tool-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.tool-header .icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sage-50);
    border-radius: var(--radius-lg);
    color: var(--accent-primary);
    flex-shrink: 0;
}

[data-theme="dark"] .tool-header .icon {
    background: rgba(90, 130, 90, 0.15);
}

.tool-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.tool-header p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

.dropzone {
    position: relative;
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-12) var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--bg-muted);
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent-primary);
    background: var(--sage-50);
}

[data-theme="dark"] .dropzone:hover,
[data-theme="dark"] .dropzone.dragover {
    background: rgba(90, 130, 90, 0.1);
}

.dropzone input[type="file"] {
    display: none;
}

.dropzone-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    color: var(--text-muted);
}

.dropzone h3 {
    margin-bottom: var(--space-2);
}

.dropzone p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.file-list {
    margin: var(--space-6) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-muted);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.file-item .name {
    flex: 1;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item .size {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.file-item .remove {
    color: var(--text-muted);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-item .remove:hover {
    color: var(--accent-error);
    background: rgba(220, 68, 68, 0.1);
}

.file-item .file-preview {
    width: 50px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.file-item .file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-item .file-preview canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.file-item .file-preview.pdf-preview span {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 9px;
    background: var(--bg);
    padding: 1px 3px;
    border-radius: 3px;
    color: var(--text-muted);
}

.file-item .file-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-item .name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item .size {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.tool-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.tool-actions .btn {
    flex-shrink: 0;
}

.result-area {
    margin-top: var(--space-6);
    padding: var(--space-6);
    background: var(--sage-50);
    border-radius: var(--radius-lg);
    text-align: center;
    display: none;
}

.result-area.visible {
    display: block;
}

.result-area h4 {
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
}

.result-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin: var(--space-4) 0;
}

.result-stats span {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.result-stats strong {
    color: var(--text-primary);
}

.page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.page-thumb {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-muted);
}

.page-thumb:hover {
    border-color: var(--accent-primary);
}

.page-thumb.selected {
    border-color: var(--accent-primary);
    background: var(--sage-50);
}

.page-thumb canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-thumb .num {
    position: absolute;
    bottom: var(--space-2);
    right: var(--space-2);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.progress-bar {
    height: 8px;
    background: var(--border-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: var(--space-4) 0;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0;
}

.tool-dock {
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-6);
}

.dock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: var(--space-3);
    max-width: 1000px;
    margin: 0 auto;
}

.signature-section {
    margin: var(--space-6) 0;
    padding: var(--space-5);
    background: var(--bg-muted);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.signature-section h4 {
    margin-bottom: var(--space-4);
    font-size: 1rem;
}

.signature-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.sig-tab {
    flex: 1;
    min-width: 80px;
}

.sig-tab.active {
    background: var(--accent-primary);
    color: white;
}

.sig-panel {
    padding: var(--space-4) 0;
}

#sig-canvas {
    width: 100%;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: white;
    cursor: crosshair;
}

[data-theme="dark"] #sig-canvas {
    background: var(--bg-card);
}

.sig-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

#sig-type-input {
    width: 100%;
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    font-size: 1rem;
}

#sig-font {
    width: auto;
    min-width: 150px;
}

#sig-font-size {
    width: 100px;
    vertical-align: middle;
}

.sig-preview-container {
    position: relative;
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    background: var(--bg-card);
    transition: all var(--transition-base);
    cursor: pointer;
}

.sig-preview-container:hover {
    border-color: var(--accent-primary);
    background: var(--sage-50);
}

.sig-preview-container.has-image {
    border-style: solid;
    border-color: var(--accent-primary);
}

#sig-upload-trigger {
    cursor: pointer;
}

#sig-upload-trigger h4 {
    margin: var(--space-3) 0 var(--space-2);
}

#sig-upload-trigger p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

#sig-upload-preview {
    padding: var(--space-3);
}

#sig-upload-img {
    border-radius: var(--radius-md);
}

#sig-upload-remove {
    border-radius: 50%;
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sig-thumb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-3);
    margin: var(--space-4) 0;
}

.sig-page-thumb {
    aspect-ratio: 3/4;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
    position: relative;
}

.sig-page-thumb:hover {
    border-color: var(--accent-primary);
    transform: scale(1.02);
}

.sig-page-thumb.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(90, 130, 90, 0.3);
}

.sig-page-thumb canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sig-page-thumb span {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.sig-rotation-control {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-3) 0;
}

.sig-rotation-control input[type="range"] {
    flex: 1;
}

#sig-upload-input {
    display: none;
}

.sig-panel p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--space-3);
}

.dock-card {
    padding: var(--space-4) var(--space-3);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-muted) 100%);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    transform: translateY(0);
    position: relative;
    overflow: hidden;
}

.dock-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: all var(--transition-base);
}

.dock-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(90, 130, 90, 0.18);
}

.dock-card:hover::before {
    background: var(--accent-primary);
}

.dock-card.active {
    border-color: var(--accent-primary);
    background: linear-gradient(180deg, var(--sage-50) 0%, rgba(90, 130, 90, 0.08) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(90, 130, 90, 0.15);
}

.dock-card.active::before {
    background: var(--accent-primary);
}

[data-theme="dark"] .dock-card.active {
    background: linear-gradient(180deg, rgba(90, 130, 90, 0.2) 0%, rgba(90, 130, 90, 0.08) 100%);
}

.dock-card:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.dock-card .icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .dock-card .icon {
    background: rgba(60, 60, 60, 0.5);
    border-color: var(--border-default);
}

.dock-card:hover .icon,
.dock-card.active .icon {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(90, 130, 90, 0.3);
}

.dock-card span {
    font-size: 0.8125rem;
    font-weight: 600;
    display: block;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.dock-card.active span {
    color: var(--accent-primary);
}

.ranges-input {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
    flex-wrap: wrap;
}

.ranges-input input {
    flex: 1;
    min-width: 150px;
}

.rotate-controls {
    display: flex;
    gap: var(--space-3);
    margin: var(--space-4) 0;
}

.compression-select {
    display: flex;
    gap: var(--space-3);
    margin: var(--space-4) 0;
    flex-wrap: wrap;
}

.compression-select label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
}

.compression-select input {
    display: none;
    width: auto;
}

.compression-select label:has(input:checked) {
    border-color: var(--accent-primary);
    background: var(--sage-50);
    color: var(--accent-primary);
}

[data-theme="dark"] .compression-select label:has(input:checked) {
    background: rgba(90, 130, 90, 0.15);
}

@media (max-width: 1024px) {
    .tool-panel {
        padding: var(--space-6);
    }

    .dock-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .workspace-main {
        padding: var(--space-6);
    }

    .canva-pages-panel {
        width: 100px;
    }

    .canva-sidebar {
        width: 200px;
    }

    #canva-editor {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .tool-panel {
        padding: var(--space-5);
        border-radius: var(--radius-lg);
    }

    .dock-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-3);
    }

    .workspace-main {
        padding: var(--space-4);
    }

    .tool-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-4);
    }

    .tool-header .icon {
        width: 48px;
        height: 48px;
    }

    .result-stats {
        flex-direction: column;
        gap: var(--space-2);
    }

    .dock-card {
        padding: var(--space-3);
    }

    .dock-card .icon {
        width: 36px;
        height: 36px;
    }

    .dropzone {
        padding: var(--space-8) var(--space-4);
    }

    .dropzone-icon {
        width: 48px;
        height: 48px;
    }

    .page-header {
        padding: var(--space-8) var(--space-4);
    }

    .page-header h1 {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }

    .page-header p {
        font-size: 0.9375rem;
    }

    .ranges-input {
        flex-direction: column;
    }

    .ranges-input input,
    .ranges-input button {
        width: 100%;
    }

    .compression-select {
        flex-direction: column;
    }

    .compression-select label {
        width: 100%;
    }

    .rotate-controls {
        flex-wrap: wrap;
    }

    .rotate-controls .btn {
        flex: 1;
        min-width: 120px;
    }

    .tool-actions {
        flex-direction: column;
    }

    .tool-actions .btn {
        width: 100%;
    }

    .page-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: var(--space-3);
    }

    .file-item {
        flex-wrap: wrap;
    }

    .file-item .size {
        width: 100%;
        padding-left: calc(var(--space-4) + 50px);
    }

    .signature-section {
        padding: var(--space-4);
    }

    .sig-thumb-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

    #sig-width,
    #sig-height,
    #sig-pos-x,
    #sig-pos-y {
        width: 100% !important;
    }

    .sig-rotation-control {
        flex-wrap: wrap;
    }

    .sig-rotation-control input[type="range"] {
        width: 100%;
    }

    .sig-align {
        flex: 1;
        min-width: 60px;
        font-size: 0.75rem;
        padding: var(--space-2) var(--space-1);
    }

    .canva-editor {
        height: 450px;
        flex-direction: column;
    }

    .canva-pages-panel {
        width: 100%;
        height: 80px;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: row;
    }

    .canva-pages-header {
        display: none;
    }

    .canva-pages-list {
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
    }

    .canva-page-thumb {
        width: 60px;
        flex-shrink: 0;
    }

    .canva-sidebar {
        width: 100%;
        height: auto;
        border-left: none;
        border-top: 1px solid var(--border-subtle);
        flex-direction: row;
    }

    .canva-layers-panel {
        flex: 1;
        border-bottom: none;
        border-right: 1px solid var(--border-subtle);
    }

    .canva-props-panel {
        flex: 1;
        height: auto;
    }

    .canva-canvas-container {
        padding: var(--space-3);
    }

    .canva-toolbar {
        flex-wrap: wrap;
        gap: var(--space-2);
        padding: var(--space-2);
    }

    .canva-bottom-bar {
        flex-wrap: wrap;
        gap: var(--space-2);
        padding: var(--space-2);
    }

    .canva-zoom-controls {
        flex-wrap: wrap;
    }

    .canva-zoom-btn {
        padding: 2px 6px;
        font-size: 11px;
    }

    .faq-section {
        padding: var(--space-8) 0;
    }

    .faq-question {
        padding: var(--space-4) var(--space-5);
        font-size: 0.9375rem;
    }

    .faq-answer {
        padding: 0 var(--space-5) var(--space-4);
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 0 var(--space-4);
    }

    .container {
        padding: 0 var(--space-4);
    }

    .dock-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }

    .dock-card span {
        font-size: 0.75rem;
    }

    .tool-panel {
        padding: var(--space-4);
    }

    .dropzone {
        padding: var(--space-6) var(--space-3);
    }

    .dropzone h3 {
        font-size: 1rem;
    }

    .dropzone p {
        font-size: 0.875rem;
    }

    .page-header {
        padding: var(--space-6) var(--space-4);
    }

    .calc-mode-btns {
        flex-direction: column;
    }

    .calc-mode-btns .btn {
        width: 100%;
    }

    .sig-tabs {
        flex-wrap: wrap;
    }

    .sig-tab {
        flex: 1;
        min-width: 70px;
    }

    .sig-panel p {
        font-size: 0.8125rem;
    }

    .canva-tool-btn {
        width: 32px;
        height: 32px;
    }

    .canva-tool-btn svg {
        width: 16px;
        height: 16px;
    }

    .canva-pages-panel {
        height: 60px;
    }

    .canva-page-thumb {
        width: 50px;
    }

    .page-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }

    .page-thumb .num {
        font-size: 0.625rem;
    }
}

@media (max-width: 360px) {
    .tool-panel {
        padding: var(--space-3);
        border-radius: var(--radius-md);
    }

    .dock-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dock-card .icon {
        width: 32px;
        height: 32px;
    }

    .dock-card span {
        font-size: 0.6875rem;
    }

    .dropzone {
        padding: var(--space-5) var(--space-3);
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .tool-header h2 {
        font-size: 1.125rem;
    }
}

/* ================= CANVA-STYLE PDF EDITOR ================= */
#canva-editor {
    display: flex;
    flex-direction: column;
    height: min(600px, 80vh);
    min-height: 350px;
    background: var(--bg-body);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Top Toolbar */
.canva-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    min-height: 48px;
}

.canva-tool-group {
    display: flex;
    gap: var(--space-1);
}

.canva-tool-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.canva-tool-btn:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}

.canva-tool-btn.active {
    background: var(--accent-primary);
    color: white;
}

.canva-tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Workspace */
.canva-workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Left Panel - Pages */
.canva-pages-panel {
    width: 120px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.canva-pages-header {
    padding: var(--space-3);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-subtle);
}

.canva-pages-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.canva-page-thumb {
    width: 100%;
    aspect-ratio: 3/4;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
    position: relative;
}

.canva-page-thumb:hover {
    border-color: var(--accent-primary);
}

.canva-page-thumb.selected {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(90, 130, 90, 0.3);
}

.canva-page-thumb canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.canva-page-thumb span {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: white;
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 2px;
}

/* Center Canvas */
.canva-canvas-container {
    flex: 1;
    background: var(--bg-muted);
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.canva-canvas-wrap {
    position: relative;
    background: white;
    box-shadow: var(--shadow-lg);
}

#canva-pdf-canvas {
    display: block;
}

#canva-elements-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Draggable Elements */
.canva-element {
    position: absolute;
    cursor: move;
    pointer-events: auto;
    min-width: 50px;
    min-height: 20px;
}

.canva-element.selected {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.canva-element-text {
    padding: 4px 8px;
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px dashed transparent;
}

.canva-element.selected .canva-element-text {
    border-color: var(--accent-primary);
}

.canva-text-box {
    position: absolute;
    min-width: 100px;
    min-height: 30px;
    cursor: move;
    pointer-events: auto;
}

.canva-text-box.selected {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.canva-text-content {
    padding: 4px 8px;
    min-height: 20px;
    cursor: text;
    outline: none;
}

.canva-text-content:empty::before {
    content: 'Type here...';
    color: var(--text-muted);
}

.canva-text-content:focus:empty::before {
    content: '';
}

/* Resize Handles */
.canva-resize-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
}

.canva-resize-handle.nw { top: -5px; left: -5px; cursor: nwse-resize; }
.canva-resize-handle.ne { top: -5px; right: -5px; cursor: nesw-resize; }
.canva-resize-handle.sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.canva-resize-handle.se { bottom: -5px; right: -5px; cursor: nwse-resize; }

/* Right Sidebar */
.canva-sidebar {
    width: 220px;
    background: var(--bg-card);
    border-left: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.canva-layers-panel {
    flex: 1;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.canva-props-panel {
    height: 280px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.canva-panel-header {
    padding: var(--space-3);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-subtle);
}

.canva-layers-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
}

.canva-layer-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
}

.canva-layer-item:hover {
    background: var(--bg-muted);
}

.canva-layer-item.selected {
    background: var(--accent-primary);
    color: white;
}

.canva-layer-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.canva-layer-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.canva-layer-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
}

.canva-layer-item:hover .canva-layer-actions {
    opacity: 1;
}

.canva-layer-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

.canva-layer-btn:hover {
    background: rgba(0,0,0,0.1);
}

.canva-empty-state {
    padding: var(--space-4);
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* Properties Panel */
.canva-props-content {
    padding: var(--space-3);
    overflow-y: auto;
}

.canva-prop-group {
    margin-bottom: var(--space-3);
}

.canva-prop-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.canva-prop-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.canva-prop-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.canva-prop-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Bottom Bar */
.canva-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
}

.canva-zoom-controls {
    display: flex;
    gap: var(--space-1);
}

.canva-zoom-btn {
    padding: 4px 8px;
    border: 1px solid var(--border-default);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    color: var(--text-secondary);
}

.canva-zoom-btn:hover {
    background: var(--bg-muted);
}

.canva-zoom-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.canva-actions {
    display: flex;
    gap: var(--space-2);
}

/* Floating Text Toolbar */
.canva-text-toolbar {
    position: fixed;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2);
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.text-tool-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.text-tool-btn:hover {
    background: var(--bg-muted);
}

.text-tool-btn.active {
    background: var(--accent-primary);
    color: white;
}

.text-tool-select {
    padding: 4px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.text-tool-sep {
    width: 1px;
    height: 20px;
    background: var(--border-default);
    margin: 0 var(--space-1);
}

/* Table Element */
.canva-table-box {
    position: absolute;
    min-width: 150px;
    min-height: 80px;
    border: 1px solid var(--border-default);
    background: white;
}

.canva-table-box.selected {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.canva-table-grid {
    display: grid;
    width: 100%;
    height: 100%;
}

.canva-table-cell {
    border: 1px solid var(--border-default);
    padding: 4px;
    min-width: 40px;
    min-height: 20px;
}

.canva-table-cell:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: -2px;
}

/* Dialog */
.canva-dialog {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.canva-dialog-content {
    background: var(--bg-card);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    min-width: 300px;
    box-shadow: var(--shadow-xl);
}

.canva-dialog-content h4 {
    margin-bottom: var(--space-4);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .canva-pages-panel {
        width: 70px;
    }

    .canva-pages-panel .canva-pages-header {
        display: none;
    }

    .canva-sidebar {
        width: 160px;
    }

    .canva-canvas-container {
        padding: var(--space-2);
    }

    .canva-dialog-content {
        min-width: 0;
        width: 90%;
        max-width: 400px;
        padding: var(--space-5);
    }
}

@media (max-width: 480px) {
    #canva-editor {
        min-height: 300px;
        height: 70vh;
    }

    .canva-pages-panel {
        width: 50px;
    }

    .canva-sidebar {
        width: 140px;
    }

    .canva-page-thumb {
        width: 40px;
    }

    .canva-canvas-container {
        padding: var(--space-1);
    }

    .canva-dialog-content {
        padding: var(--space-4);
        margin: var(--space-3);
    }

    .canva-toolbar {
        flex-wrap: wrap;
        gap: var(--space-1);
        min-height: 40px;
    }

    .canva-bottom-bar {
        flex-wrap: wrap;
        gap: var(--space-1);
        padding: var(--space-2);
    }
}

@media (max-width: 360px) {
    .canva-pages-panel {
        width: 40px;
    }

    .canva-sidebar {
        display: none;
    }

    .canva-workspace {
        flex-direction: column;
    }
}

/* ================= RESULT ANIMATIONS ================= */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}

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

.result-card {
    animation: fadeIn 0.4s ease-out;
}

/* ================= BUTTON LOADING STATE ================= */
.btn.loading-state {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading-state::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-top: -8px;
    margin-left: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ================= COPY BUTTON ================= */
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: 0.8125rem;
    margin-top: var(--space-3);
}

.copy-btn svg {
    width: 14px;
    height: 14px;
}