/* Halo Email Canvas: visual workspace for the drag-and-drop email template builder. */

/* ─── Header ─── */
.email-canvas-workspace .ecw-header {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--halo-hairline);
    background: var(--halo-surface);
    gap: 16px;
    flex-shrink: 0;
}

.email-canvas-workspace .ecw-header-left,
.email-canvas-workspace .ecw-header-center,
.email-canvas-workspace .ecw-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}
.email-canvas-workspace .ecw-header-left { flex: 1; min-width: 0; }
.email-canvas-workspace .ecw-header-right { flex-shrink: 0; }

.email-canvas-workspace .ecw-back-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--halo-radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--halo-text-secondary);
    text-decoration: none;
    transition: background var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-back-btn:hover {
    background: var(--halo-surface-hover);
    color: var(--halo-text);
}

.email-canvas-workspace .ecw-title-group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.email-canvas-workspace .ecw-title-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--halo-text);
    font-size: var(--halo-text-body);
    font-weight: 600;
    font-family: var(--halo-font);
    padding: 4px 8px;
    border-radius: var(--halo-radius-pill);
    transition: border-color var(--halo-duration-1) var(--halo-ease-out),
                background var(--halo-duration-1) var(--halo-ease-out);
    min-width: 120px;
    max-width: 260px;
}
.email-canvas-workspace .ecw-title-input:hover {
    border-color: var(--halo-hairline);
    background: var(--halo-surface-sunken);
}
.email-canvas-workspace .ecw-title-input:focus {
    border-color: var(--halo-focus-color);
    background: var(--halo-surface-sunken);
    outline: none;
}

.email-canvas-workspace .ecw-status-pill {
    font-size: var(--halo-text-caption);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--halo-radius-pill);
    background: var(--halo-surface-sunken);
    color: var(--halo-text-secondary);
    white-space: nowrap;
}
.email-canvas-workspace .ecw-status-pill--draft {
    background: var(--halo-soft-yellow);
    color: var(--halo-soft-yellow-ink);
}

/* ─── Device Switcher ─── */
.email-canvas-workspace .ecw-device-switcher {
    display: flex;
    background: var(--halo-surface-sunken);
    border-radius: var(--halo-radius-pill);
    padding: 3px;
    gap: 2px;
}
.email-canvas-workspace .ecw-device-btn {
    background: transparent;
    border: none;
    color: var(--halo-text-secondary);
    font-size: var(--halo-text-caption);
    font-weight: 500;
    font-family: var(--halo-font);
    padding: 5px 12px;
    border-radius: var(--halo-radius-pill);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-device-btn .material-symbols-outlined { font-size: 16px; }
.email-canvas-workspace .ecw-device-btn:hover { color: var(--halo-text); }
.email-canvas-workspace .ecw-device-btn--active {
    background: var(--halo-surface);
    color: var(--halo-text);
    font-weight: 600;
    box-shadow: var(--halo-shadow-1);
}

.email-canvas-workspace .ecw-history-btns { display: flex; gap: 2px; }

.email-canvas-workspace .ecw-icon-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--halo-radius-pill);
    background: transparent;
    border: none;
    color: var(--halo-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-icon-btn .material-symbols-outlined { font-size: 18px; }
.email-canvas-workspace .ecw-icon-btn:hover:not(:disabled) {
    background: var(--halo-surface-hover);
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-icon-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

/* ─── Sidebar ─── */
.email-canvas-workspace .ecw-sidebar {
    background: var(--halo-surface);
    border-right: 1px solid var(--halo-hairline);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.email-canvas-workspace .ecw-sidebar--right {
    border-right: none;
    border-left: 1px solid var(--halo-hairline);
}

.email-canvas-workspace .ecw-sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--halo-hairline);
    padding: 0 4px;
    flex-shrink: 0;
}
.email-canvas-workspace .ecw-sidebar-tab {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--halo-text-secondary);
    font-size: var(--halo-text-caption);
    font-weight: 500;
    font-family: var(--halo-font);
    padding: 10px 4px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-sidebar-tab .material-symbols-outlined { font-size: 18px; }
.email-canvas-workspace .ecw-sidebar-tab:hover { color: var(--halo-text); }
.email-canvas-workspace .ecw-sidebar-tab--active {
    color: var(--halo-ink-info);
    border-bottom-color: var(--halo-ink-info);
    font-weight: 600;
}

.email-canvas-workspace .ecw-sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
}

/* ─── Palette ─── */
.email-canvas-workspace .ecw-palette-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--halo-text-secondary);
    margin-bottom: 10px;
    margin-top: 4px;
}
.email-canvas-workspace .ecw-palette-label:not(:first-child) { margin-top: 20px; }

.email-canvas-workspace .ecw-palette-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.email-canvas-workspace .ecw-palette-item {
    background: var(--halo-surface-sunken);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    padding: 10px 12px;
    display: grid;
    grid-template-columns: 24px 1fr;
    grid-template-rows: auto auto;
    column-gap: 10px;
    row-gap: 1px;
    align-items: center;
    cursor: grab;
    font-size: var(--halo-text-caption);
    font-weight: 500;
    color: var(--halo-text);
    transition: all var(--halo-duration-1) var(--halo-ease-out);
    user-select: none;
}
.email-canvas-workspace .ecw-palette-item .material-symbols-outlined {
    font-size: 20px;
    grid-row: 1 / -1;
    color: var(--halo-text-secondary);
}
.email-canvas-workspace .ecw-palette-item > span:nth-child(2) {
    font-weight: 600;
    font-size: 13px;
}
.email-canvas-workspace .ecw-palette-item:hover {
    background: var(--halo-surface-hover);
    border-color: var(--halo-hairline-strong);
    color: var(--halo-text);
    transform: translateY(-1px);
    box-shadow: var(--halo-shadow-1);
}
.email-canvas-workspace .ecw-palette-item:active {
    cursor: grabbing;
    transform: scale(0.96);
}

/* ─── Layout Block Cards ─── */
.email-canvas-workspace .ecw-layout-card {
    background: var(--halo-surface-sunken);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    padding: 12px;
    margin-bottom: 8px;
    cursor: grab;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
    user-select: none;
}
.email-canvas-workspace .ecw-layout-card:hover {
    background: var(--halo-surface-hover);
    border-color: var(--halo-hairline-strong);
    transform: translateY(-1px);
}

.email-canvas-workspace .ecw-layout-preview {
    display: flex;
    gap: 4px;
    height: 28px;
    margin-bottom: 8px;
}
.email-canvas-workspace .ecw-layout-col-preview {
    background: var(--halo-surface);
    border: 1px dashed var(--halo-hairline-strong);
    border-radius: var(--halo-radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--halo-text-secondary);
}

.email-canvas-workspace .ecw-layout-info strong {
    display: block;
    font-size: var(--halo-text-caption);
    color: var(--halo-text);
    margin-bottom: 2px;
}
.email-canvas-workspace .ecw-layout-info small {
    font-size: 11px;
    color: var(--halo-text-secondary);
}

/* ─── Layer Tree ─── */
.email-canvas-workspace .ecw-layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--halo-radius-md);
    cursor: pointer;
    font-size: var(--halo-text-caption);
    color: var(--halo-text-secondary);
    border: 1px solid transparent;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-layer-item:hover {
    background: var(--halo-surface-hover);
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-layer-item--active {
    background: rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.1);
    border-color: rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.3);
    color: var(--halo-text);
    font-weight: 600;
}
.email-canvas-workspace .ecw-layer-item--element { padding-left: 28px; }

.email-canvas-workspace .ecw-layer-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.email-canvas-workspace .ecw-layer-badge {
    font-size: 9px;
    font-family: var(--halo-font-mono);
    background: var(--halo-surface-sunken);
    padding: 1px 5px;
    border-radius: var(--halo-radius-xs);
    color: var(--halo-text-secondary);
}

.email-canvas-workspace .ecw-empty-hint {
    font-size: var(--halo-text-sm);
    color: var(--halo-text-secondary);
    padding: 20px 0;
    text-align: center;
}

/* ─── Canvas Stage ─── */
.email-canvas-workspace .ecw-canvas-stage {
    background: var(--halo-surface-sunken);
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 20px 80px 20px;
    position: relative;
}

.email-canvas-workspace .ecw-artboard {
    transform-origin: top center;
    transition: transform var(--halo-duration-2) var(--halo-ease-spring),
                max-width var(--halo-duration-3) var(--halo-ease-spring);
}
.email-canvas-workspace .ecw-artboard--mobile {
    max-width: 400px;
}

/* ─── Email Client Chrome ─── */
.email-canvas-workspace .ecw-email-chrome {
    max-width: 640px;
    background: var(--halo-surface);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-lg) var(--halo-radius-lg) 0 0;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--halo-shadow-1);
}
.email-canvas-workspace .ecw-chrome-row {
    display: flex;
    align-items: center;
    font-size: 12px;
    gap: 8px;
}
.email-canvas-workspace .ecw-chrome-label {
    color: var(--halo-text-secondary);
    width: 52px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-size: 10px;
    flex-shrink: 0;
}
.email-canvas-workspace .ecw-chrome-value {
    color: var(--halo-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.email-canvas-workspace .ecw-chrome-value--bold { color: var(--halo-text); font-weight: 600; }
.email-canvas-workspace .ecw-chrome-value--muted { color: var(--halo-text-tertiary); }

/* ─── Canvas Root ─── */
.email-canvas-workspace .ecw-canvas-root {
    max-width: 640px;
    min-height: 400px;
    border: 1px solid var(--halo-hairline);
    border-top: none;
    border-radius: 0 0 var(--halo-radius-lg) var(--halo-radius-lg);
    box-shadow: var(--halo-shadow-2);
    padding: 20px;
    transition: max-width var(--halo-duration-3) var(--halo-ease-spring),
                background-color var(--halo-duration-2) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-canvas-root--dark {
    filter: invert(0.88) hue-rotate(180deg);
}

.email-canvas-workspace .ecw-artboard--mobile .ecw-canvas-root {
    border-radius: 30px;
    border: 6px solid var(--halo-surface-pressed, #ddd);
    border-top: 6px solid var(--halo-surface-pressed, #ddd);
    min-height: 500px;
    max-height: 700px;
    overflow-y: auto;
}

.email-canvas-workspace .ecw-email-card {
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--halo-radius-md);
    border: 1px solid var(--halo-hairline);
    overflow: hidden;
    min-height: 200px;
}

/* ─── Canvas Empty ─── */
.email-canvas-workspace .ecw-canvas-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--halo-text-secondary);
    text-align: center;
    gap: 8px;
}
.email-canvas-workspace .ecw-canvas-empty .material-symbols-outlined { font-size: 40px; opacity: 0.4; }
.email-canvas-workspace .ecw-canvas-empty strong { font-size: var(--halo-text-body); color: var(--halo-text); }
.email-canvas-workspace .ecw-canvas-empty span { font-size: var(--halo-text-sm); }

/* ─── Sections ─── */
.email-canvas-workspace .ecw-section {
    position: relative;
    border: 1px dashed transparent;
    border-radius: var(--halo-radius-sm);
    transition: border-color var(--halo-duration-1) var(--halo-ease-out),
                box-shadow var(--halo-duration-1) var(--halo-ease-out);
    margin-bottom: 2px;
}
.email-canvas-workspace .ecw-section:hover { border-color: var(--halo-hairline-strong); }
.email-canvas-workspace .ecw-section--selected {
    border-color: var(--halo-ink-info) !important;
    box-shadow: 0 0 0 2px rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.2);
}

/* ─── Section / Element Actions ─── */
.email-canvas-workspace .ecw-section-actions,
.email-canvas-workspace .ecw-element-actions {
    position: absolute;
    top: -30px;
    right: 0;
    background: var(--halo-surface-raised, var(--halo-surface));
    border: 1px solid var(--halo-hairline-strong);
    border-radius: var(--halo-radius-md);
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    box-shadow: var(--halo-shadow-2);
    z-index: 30;
}
.email-canvas-workspace .ecw-action-badge {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0 6px;
    color: var(--halo-ink-info);
}
.email-canvas-workspace .ecw-action-btn {
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    border-radius: var(--halo-radius-sm);
    color: var(--halo-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-action-btn .material-symbols-outlined { font-size: 15px; }
.email-canvas-workspace .ecw-action-btn:hover {
    background: var(--halo-surface-hover);
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-action-btn--danger:hover {
    background: var(--halo-soft-red);
    color: var(--halo-soft-red-ink);
}

/* ─── Rows & Columns ─── */
.email-canvas-workspace .ecw-row {
    display: grid;
    gap: 12px;
    width: 100%;
}
.email-canvas-workspace .ecw-row--col-1 { grid-template-columns: 1fr; }
.email-canvas-workspace .ecw-row--col-2 { grid-template-columns: 1fr 1fr; }
.email-canvas-workspace .ecw-row--col-3 { grid-template-columns: 1fr 1fr 1fr; }
.email-canvas-workspace .ecw-row--col-1-2 { grid-template-columns: 1fr 2fr; }

.email-canvas-workspace .ecw-artboard--mobile .ecw-row {
    grid-template-columns: 1fr !important;
}

.email-canvas-workspace .ecw-column {
    min-height: 40px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    border-radius: var(--halo-radius-sm);
    padding: 4px;
}
.email-canvas-workspace .ecw-column--empty {
    border: 1.5px dashed var(--halo-hairline-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    background: rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.02);
}
.email-canvas-workspace .ecw-column-hint {
    font-size: 11px;
    color: var(--halo-text-secondary);
    text-align: center;
}

/* ─── Elements ─── */
.email-canvas-workspace .ecw-element {
    position: relative;
    border-radius: var(--halo-radius-xs);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-element:hover {
    outline: 1.5px solid rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.4);
    outline-offset: 2px;
}
.email-canvas-workspace .ecw-element--selected {
    outline: 2px solid var(--halo-ink-info) !important;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.12);
}

/* ─── Element Node Styles ─── */
.email-canvas-workspace .ecw-node-heading {
    margin: 0;
    font-weight: 700;
    font-family: var(--halo-font);
    line-height: 1.3;
    font-size: 22px;
}
.email-canvas-workspace .ecw-node-text {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    word-break: break-word;
}
.email-canvas-workspace .ecw-node-button-wrap {
    padding: 4px 0;
}
.email-canvas-workspace .ecw-node-button {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--halo-radius-md);
    color: #ffffff;
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    cursor: default;
}
.email-canvas-workspace .ecw-node-image-wrap { width: 100%; }
.email-canvas-workspace .ecw-node-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--halo-radius-sm);
    object-fit: cover;
}
.email-canvas-workspace .ecw-node-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--halo-surface-sunken);
    border: 1px dashed var(--halo-hairline-strong);
    border-radius: var(--halo-radius-sm);
    color: var(--halo-text-secondary);
    gap: 4px;
    font-size: 12px;
}
.email-canvas-workspace .ecw-node-divider {
    border: none;
    border-top: 1px solid var(--halo-hairline-strong);
    margin: 8px 0;
}
.email-canvas-workspace .ecw-node-spacer {
    width: 100%;
    height: 24px;
    background: repeating-linear-gradient(45deg, transparent, transparent 4px, var(--halo-surface-sunken) 4px, var(--halo-surface-sunken) 8px);
    border-radius: var(--halo-radius-xs);
    opacity: 0.5;
}
.email-canvas-workspace .ecw-node-footer {
    margin: 0;
    font-size: 12px;
    color: var(--halo-text-secondary);
    line-height: 1.5;
}
.email-canvas-workspace .ecw-node-html-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px;
    background: var(--halo-surface-sunken);
    border: 1px dashed var(--halo-hairline-strong);
    border-radius: var(--halo-radius-sm);
    color: var(--halo-text-secondary);
    font-size: 12px;
    font-family: var(--halo-font-mono);
}

/* ─── Zoom Toolbar ─── */
.email-canvas-workspace .ecw-zoom-toolbar {
    position: absolute;
    bottom: 16px;
    background: var(--halo-surface);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-pill);
    padding: 4px 10px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--halo-shadow-2);
    z-index: 20;
}
.email-canvas-workspace .ecw-zoom-value {
    font-size: var(--halo-text-caption);
    font-weight: 600;
    color: var(--halo-text-secondary);
    min-width: 40px;
    text-align: center;
}

/* ─── Inspector ─── */
.email-canvas-workspace .ecw-inspector-header {
    height: 48px;
    border-bottom: 1px solid var(--halo-hairline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    font-size: var(--halo-text-sm);
    font-weight: 600;
    flex-shrink: 0;
}
.email-canvas-workspace .ecw-inspector-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
}

.email-canvas-workspace .ecw-inspector-group {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--halo-hairline);
}
.email-canvas-workspace .ecw-inspector-group:last-child { border-bottom: none; }

.email-canvas-workspace .ecw-inspector-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--halo-text-secondary);
    margin-bottom: 12px;
}

.email-canvas-workspace .ecw-inspector-hint {
    font-size: var(--halo-text-caption);
    color: var(--halo-text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}
.email-canvas-workspace .ecw-inspector-hint code {
    background: var(--halo-surface-sunken);
    padding: 1px 4px;
    border-radius: var(--halo-radius-xs);
    font-family: var(--halo-font-mono);
    font-size: 11px;
}

.email-canvas-workspace .ecw-inspector-actions {
    display: flex;
    gap: 8px;
}

/* ─── Preview Frame ─── */
.email-canvas-workspace .ecw-preview-frame {
    display: block;
    width: 100%;
    min-height: 300px;
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    background: var(--halo-surface);
    margin-top: 8px;
}
.email-canvas-workspace .ecw-preview-frame--mobile {
    max-width: 375px;
}

/* ─── Toast ─── */
.email-canvas-workspace .ecw-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--halo-surface-raised, var(--halo-surface));
    border: 1px solid var(--halo-hairline-strong);
    border-radius: var(--halo-radius-md);
    padding: 10px 16px;
    font-size: var(--halo-text-sm);
    color: var(--halo-text);
    box-shadow: var(--halo-shadow-3);
    z-index: 100;
    animation: ecw-toast-in var(--halo-duration-2) var(--halo-ease-spring) forwards;
}
@keyframes ecw-toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Layer Move Buttons ─── */
.email-canvas-workspace .ecw-layer-move-btn {
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
    border-radius: var(--halo-radius-xs);
    color: var(--halo-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-layer-move-btn:hover:not(:disabled) {
    background: var(--halo-surface-hover);
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-layer-move-btn:disabled {
    opacity: 0.25;
    cursor: default;
}

/* ─── Section Action Disabled State ─── */
.email-canvas-workspace .ecw-action-btn:disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

/* ─── Template Cards ─── */
.email-canvas-workspace .ecw-template-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: var(--halo-surface-sunken);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-template-card:hover {
    background: var(--halo-surface-hover);
    border-color: var(--halo-hairline-strong);
    transform: translateY(-1px);
    box-shadow: var(--halo-shadow-1);
}
.email-canvas-workspace .ecw-template-icon {
    font-size: 24px;
    color: var(--halo-ink-info);
    flex-shrink: 0;
    margin-top: 2px;
}
.email-canvas-workspace .ecw-template-info strong {
    display: block;
    font-size: var(--halo-text-sm);
    color: var(--halo-text);
    margin-bottom: 2px;
}
.email-canvas-workspace .ecw-template-info small {
    font-size: var(--halo-text-caption);
    color: var(--halo-text-secondary);
    line-height: 1.4;
}

/* ─── Inspector Sub-tabs ─── */
.email-canvas-workspace .ecw-inspector-tabs {
    display: flex;
    border-bottom: 1px solid var(--halo-hairline);
    padding: 0 6px;
    flex-shrink: 0;
}
.email-canvas-workspace .ecw-inspector-tab {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--halo-text-secondary);
    font-size: var(--halo-text-caption);
    font-weight: 500;
    font-family: var(--halo-font);
    padding: 8px 6px;
    cursor: pointer;
    text-align: center;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-inspector-tab:hover { color: var(--halo-text); }
.email-canvas-workspace .ecw-inspector-tab--active {
    color: var(--halo-ink-info);
    border-bottom-color: var(--halo-ink-info);
    font-weight: 600;
}

/* ─── Color Swatch ─── */
.email-canvas-workspace .ecw-color-field {
    position: relative;
}
.email-canvas-workspace .ecw-color-swatch {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: var(--halo-radius-xs);
    border: 1px solid var(--halo-hairline-strong);
    pointer-events: none;
}

/* ─── Export Modal ─── */
.email-canvas-workspace .ecw-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: ecw-fade-in var(--halo-duration-2) var(--halo-ease-out) forwards;
}
@keyframes ecw-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
.email-canvas-workspace .ecw-modal {
    background: var(--halo-surface);
    border-radius: var(--halo-radius-lg);
    box-shadow: var(--halo-shadow-3);
    width: 640px;
    max-width: 90vw;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: ecw-modal-in var(--halo-duration-2) var(--halo-ease-spring) forwards;
}
@keyframes ecw-modal-in {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.email-canvas-workspace .ecw-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--halo-hairline);
    font-size: var(--halo-text-body);
}
.email-canvas-workspace .ecw-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}
.email-canvas-workspace .ecw-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--halo-hairline);
}
.email-canvas-workspace .ecw-export-textarea {
    width: 100%;
    min-height: 300px;
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    background: var(--halo-surface-sunken);
    color: var(--halo-text);
    font-family: var(--halo-font-mono);
    font-size: 12px;
    padding: 12px;
    resize: vertical;
}

/* ─── Full-screen Preview Modal ─── */
.email-canvas-workspace .ecw-preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 200;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    animation: ecw-fade-in var(--halo-duration-2) var(--halo-ease-out) forwards;
}
.email-canvas-workspace .ecw-preview-modal {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--halo-surface);
    animation: ecw-modal-in var(--halo-duration-2) var(--halo-ease-spring) forwards;
}
.email-canvas-workspace .ecw-preview-toolbar {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--halo-hairline);
    background: var(--halo-surface);
    flex-shrink: 0;
    gap: 16px;
}
.email-canvas-workspace .ecw-preview-toolbar-left,
.email-canvas-workspace .ecw-preview-toolbar-center,
.email-canvas-workspace .ecw-preview-toolbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}
.email-canvas-workspace .ecw-preview-toolbar-left { flex: 1; min-width: 0; }
.email-canvas-workspace .ecw-preview-toolbar-left strong {
    font-size: var(--halo-text-body);
    white-space: nowrap;
}
.email-canvas-workspace .ecw-preview-toolbar-right { flex-shrink: 0; }

.email-canvas-workspace .ecw-preview-stage {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 20px;
    background: var(--halo-surface-sunken);
    transition: background var(--halo-duration-2) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-preview-stage--dark {
    background: #1a1a2e;
}

.email-canvas-workspace .ecw-preview-device {
    width: 100%;
    max-width: 660px;
    background: var(--halo-surface);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-lg);
    box-shadow: var(--halo-shadow-3);
    overflow: hidden;
    transition: max-width var(--halo-duration-3) var(--halo-ease-spring),
                border-radius var(--halo-duration-3) var(--halo-ease-spring);
}
.email-canvas-workspace .ecw-preview-device--mobile {
    max-width: 390px;
    border-radius: 36px;
    border: 6px solid var(--halo-surface-pressed, #d4d4d8);
    box-shadow: var(--halo-shadow-3), inset 0 0 0 2px rgba(255,255,255,0.1);
}

.email-canvas-workspace .ecw-phone-notch {
    height: 28px;
    background: var(--halo-surface);
    border-bottom: 1px solid var(--halo-hairline);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.email-canvas-workspace .ecw-phone-notch::after {
    content: '';
    width: 80px;
    height: 6px;
    background: var(--halo-surface-pressed, #d4d4d8);
    border-radius: 3px;
}

.email-canvas-workspace .ecw-preview-iframe {
    display: block;
    width: 100%;
    min-height: 600px;
    height: 75vh;
    border: none;
    background: #ffffff;
}

/* ─── Palette Item Descriptions ─── */
.email-canvas-workspace .ecw-palette-desc {
    font-size: 11px;
    color: var(--halo-text-secondary);
    line-height: 1.3;
    font-weight: 400;
}

/* ─── Quick Start Buttons (empty canvas) ─── */
.email-canvas-workspace .ecw-quick-starts {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}
.email-canvas-workspace .ecw-quick-start-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 18px;
    background: var(--halo-surface);
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    cursor: pointer;
    font-size: var(--halo-text-caption);
    font-weight: 500;
    font-family: var(--halo-font);
    color: var(--halo-text-secondary);
    transition: all var(--halo-duration-1) var(--halo-ease-out);
    min-width: 90px;
}
.email-canvas-workspace .ecw-quick-start-btn .material-symbols-outlined {
    font-size: 24px;
    color: var(--halo-ink-info);
}
.email-canvas-workspace .ecw-quick-start-btn:hover {
    background: var(--halo-surface-hover);
    border-color: var(--halo-ink-info);
    color: var(--halo-text);
    transform: translateY(-2px);
    box-shadow: var(--halo-shadow-1);
}

/* ─── Color Picker Row ─── */
.email-canvas-workspace .ecw-color-row {
    margin-bottom: 12px;
}
.email-canvas-workspace .ecw-color-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--halo-text-secondary);
    margin-bottom: 6px;
}
.email-canvas-workspace .ecw-color-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.email-canvas-workspace .ecw-color-picker {
    width: 36px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-sm);
    background: var(--halo-surface-sunken);
    cursor: pointer;
    flex-shrink: 0;
}
.email-canvas-workspace .ecw-color-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}
.email-canvas-workspace .ecw-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: var(--halo-radius-xs);
}
.email-canvas-workspace .ecw-color-hex {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--halo-hairline);
    border-radius: var(--halo-radius-md);
    background: var(--halo-surface-sunken);
    color: var(--halo-text);
    font-family: var(--halo-font-mono);
    font-size: var(--halo-text-caption);
}
.email-canvas-workspace .ecw-color-hex:focus {
    border-color: var(--halo-focus-color);
    outline: none;
}

/* ─── Social Links Node ─── */
.email-canvas-workspace .ecw-node-social {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 0;
    justify-content: center;
}
.email-canvas-workspace .ecw-social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--halo-surface-sunken);
    border: 1px solid var(--halo-hairline);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--halo-text-secondary);
    letter-spacing: -0.02em;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-social-icon:hover {
    background: var(--halo-ink-info);
    color: #fff;
    border-color: var(--halo-ink-info);
}

/* ─── Video Node ─── */
.email-canvas-workspace .ecw-node-video-wrap {
    width: 100%;
}
.email-canvas-workspace .ecw-node-video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--halo-radius-md);
    color: #ffffff;
    gap: 8px;
    font-size: var(--halo-text-sm);
    font-weight: 500;
}
.email-canvas-workspace .ecw-play-icon {
    font-size: 48px;
    opacity: 0.9;
}

/* ─── Quote Node ─── */
.email-canvas-workspace .ecw-node-quote {
    margin: 0;
    padding: 16px 20px;
    border-left: 3px solid var(--halo-ink-info);
    background: rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.04);
    border-radius: 0 var(--halo-radius-md) var(--halo-radius-md) 0;
}
.email-canvas-workspace .ecw-quote-mark {
    font-size: 28px;
    color: var(--halo-ink-info);
    opacity: 0.5;
    display: block;
    margin-bottom: 4px;
}
.email-canvas-workspace .ecw-quote-text {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-style: italic;
    line-height: 1.6;
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-quote-cite {
    display: block;
    font-size: 13px;
    font-style: normal;
    color: var(--halo-text-secondary);
    font-weight: 600;
}

/* ─── List Node ─── */
.email-canvas-workspace .ecw-node-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px 0;
}
.email-canvas-workspace .ecw-list-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--halo-text);
}
.email-canvas-workspace .ecw-list-check {
    font-size: 18px;
    color: var(--halo-ink-success, #16a34a);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ─── Menu Node ─── */
.email-canvas-workspace .ecw-node-menu {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    padding: 8px 0;
    justify-content: center;
}
.email-canvas-workspace .ecw-menu-link {
    display: inline-block;
    padding: 4px 12px;
    color: var(--halo-ink-info);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--halo-radius-xs);
    transition: background var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-menu-link:hover {
    background: rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.08);
}
.email-canvas-workspace .ecw-menu-link + .ecw-menu-link::before {
    content: "·";
    margin-right: 4px;
    color: var(--halo-text-tertiary);
}

/* ─── Add Section Bar ─── */
.email-canvas-workspace .ecw-add-section-bar {
    display: flex;
    justify-content: center;
    padding: 16px 0 8px;
}
.email-canvas-workspace .ecw-add-section-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--halo-surface);
    border: 1.5px dashed var(--halo-hairline-strong);
    border-radius: var(--halo-radius-pill);
    color: var(--halo-text-secondary);
    font-size: var(--halo-text-caption);
    font-weight: 600;
    font-family: var(--halo-font);
    cursor: pointer;
    transition: all var(--halo-duration-1) var(--halo-ease-out);
}
.email-canvas-workspace .ecw-add-section-btn .material-symbols-outlined { font-size: 16px; }
.email-canvas-workspace .ecw-add-section-btn:hover {
    background: var(--halo-surface-hover);
    border-color: var(--halo-ink-info);
    color: var(--halo-ink-info);
    border-style: solid;
}

/* ─── Drag Drop Indicator (Global, appended to body by JS) ─── */
.ecw-drop-indicator {
    position: fixed;
    height: 3px;
    background: var(--halo-ink-info, #1A6FAD);
    border-radius: 2px;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 0 8px rgba(var(--halo-tone-info-rgb, 26 111 173) / 0.4);
    display: none;
}
.ecw-drop-indicator::before {
    content: '';
    position: absolute;
    left: -4px;
    top: -4px;
    width: 10px;
    height: 10px;
    background: var(--halo-ink-info, #1A6FAD);
    border: 2px solid #fff;
    border-radius: 50%;
}