/**
 * Merge PDF Workspace - Workspace & Editor CSS
 * Optimized for Mobile Touch, Reordering, and Fluid Card Grids
 */

/* ==========================================================================
   Editor View Container
   ========================================================================== */

.editor-view {
    display: none;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    width: 100%;
    min-height: auto;
    padding: 1.75rem 1.5rem 1.5rem 1.5rem;
    flex-direction: column;
    position: relative;
    box-sizing: border-box;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.editor-view.active {
    display: flex;
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Workspace Header & Controls Toolbar
   ========================================================================== */

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.workspace-info {
    text-align: left;
}

.workspace-info h3 {
    margin: 0;
    font-size: calc(1.3rem * var(--text-scale, 1));
    color: var(--text-dark);
}

.badge-stats {
    background-color: var(--accent-soft);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--accent-muted);
}

.workspace-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

/* Document Filename Pill */
.workspace-filename-pill {
    display: inline-flex;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 0.35rem 0.85rem 0.35rem 0.75rem;
    gap: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-fast);
}

.workspace-filename-pill:focus-within {
    border-color: var(--accent);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.filename-pill-icon-wrap {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
    flex-shrink: 0;
}

.workspace-filename-input {
    border: none;
    outline: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-dark);
    width: auto;
    min-width: 60px;
    max-width: 130px;
    padding: 0;
    margin: 0;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    line-height: normal;
}

.workspace-filename-ext {
    font-size: 0.88rem;
    font-weight: 600;
    color: #64748B;
    user-select: none;
    line-height: normal;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
}

/* Top Download Dropdown */
.workspace-download-dropdown {
    position: relative;
}

.download-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100svh;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99998;
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.download-modal-backdrop.active {
    display: block !important;
    opacity: 1 !important;
}

.download-dropdown-menu {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translate(-50%, -50%) scale(0.95) !important;
    width: min(calc(100vw - 32px), 390px) !important;
    max-width: 390px !important;
    box-sizing: border-box !important;
    background: #ffffff !important;
    border-radius: 22px !important;
    box-shadow: 0 24px 60px -10px rgba(15, 23, 42, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.9) !important;
    z-index: 99999 !important;
    padding: 1.25rem !important;
    display: none;
    flex-direction: column !important;
    gap: 0.65rem !important;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.18s ease !important;
}

.download-dropdown-menu.active {
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translate(-50%, -50%) scale(1) !important;
}

.download-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.75rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.download-modal-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.02rem;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    letter-spacing: -0.015em;
}

.download-modal-title svg {
    color: var(--primary-green, #10B981);
}

.download-modal-close {
    background: rgba(15, 23, 42, 0.06);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #64748b;
    transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.download-modal-close:hover {
    background: rgba(15, 23, 42, 0.12);
    color: #0f172a;
    transform: scale(1.08);
}

.download-dropdown-item {
    text-align: left;
    background: #f8fafc !important;
    border: 1.5px solid rgba(0, 0, 0, 0.06) !important;
    padding: 0.85rem 1rem !important;
    border-radius: 14px !important;
    cursor: pointer;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.download-dropdown-item:hover {
    background: #ffffff !important;
    border-color: var(--primary-green, #10B981) !important;
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.15), 0 2px 6px rgba(0, 0, 0, 0.04) !important;
    transform: translateY(-1.5px) !important;
}

.download-dropdown-item:active {
    transform: translateY(0) scale(0.98) !important;
}

/* ==========================================================================
   Workspace Canvas & Thumbnail Grid
   ========================================================================== */

.workspace-canvas {
    width: 100%;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.merge-thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
    width: 100%;
    padding: 0.5rem 0 1rem 0;
    margin: 0;
    touch-action: pan-y;
    box-sizing: border-box;
}

/* ==========================================================================
   PDF Cards (Desktop & Mobile)
   ========================================================================== */

.pdf-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    position: relative;
    cursor: grab;
    content-visibility: auto;
    contain-intrinsic-size: 180px 240px;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
}

.pdf-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(15, 118, 110, 0.4);
}

.pdf-card:active {
    cursor: grabbing;
}

.pdf-card.sortable-chosen {
    opacity: 0.85;
    transform: scale(1.03) translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    z-index: 100;
}

.pdf-card.sortable-ghost {
    opacity: 0.35;
    background: rgba(15, 118, 110, 0.08);
    border: 2px dashed var(--accent);
}

/* Card Thumbnail Wrapper */
.card-thumb-wrapper {
    order: 1;
    position: relative;
    width: 100%;
    height: 230px;
    background-color: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 10px;
    box-sizing: border-box;
}

.thumb-canvas-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-image-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
}

.card-rendered-img,
.card-thumb-wrapper canvas,
.card-thumb-wrapper > img,
.card-thumb-wrapper > .thumb-canvas-container > img {
    max-width: 100% !important;
    max-height: 100% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    background-color: #FFFFFF;
    display: block;
    transition: transform 0.3s ease;
}

.card-sig-img,
.card-wm-img {
    box-shadow: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    display: block !important;
}

.card-live-watermark-overlay {
    display: none !important;
}

/* Card Badges (Page Number & Order) */
.card-page-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #FFFFFF;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-pill);
    z-index: 5;
    pointer-events: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.card-order-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-dark);
    font-size: 0.72rem;
    font-weight: 750;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* Card Top Right Checkbox */
.card-select-checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    z-index: 10;
    cursor: pointer;
}

/* Card Page Navigation & Action Buttons (Vertical Pill Dock on the Left Side of PDF Page) */
.card-actions-bar {
    order: unset;
    position: absolute;
    top: 10px;
    left: 10px;
    right: auto;
    bottom: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 4px;
    border-radius: 9999px;
    border: 1px solid #E2E8F0;
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    width: auto;
    box-sizing: border-box;
    height: auto;
}

.card-btn-action {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    color: #475569;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.card-btn-action:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* Individual Distinct Hover Color Changes */
.card-btn-action.card-btn-prev:hover:not(:disabled) {
    background: #EFF6FF;
    border-color: #3B82F6;
    color: #1D4ED8;
}

.card-btn-action.card-btn-next:hover:not(:disabled) {
    background: #F0FDF4;
    border-color: #22C55E;
    color: #15803D;
}

.card-btn-action.card-btn-rot:hover:not(:disabled) {
    background: #FAF5FF;
    border-color: #A855F7;
    color: #7E22CE;
}

.card-btn-action.card-btn-del:hover:not(:disabled),
.card-btn-action.card-btn-del-action:hover:not(:disabled) {
    background: #FEF2F2;
    border-color: #EF4444;
    color: #DC2626;
}

.card-btn-action:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
    background: #FFFFFF;
    border-color: #F1F5F9;
    color: #CBD5E1;
    box-shadow: none;
}

/* Card Bottom Meta & Actions */
.card-meta {
    order: 3;
    padding: 0.55rem 0.65rem;
    background: #FFFFFF;
    border-top: 1px solid #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    box-sizing: border-box;
}

.card-meta-actions {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    gap: 6px;
}

.card-action-icon-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3B82F6;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    padding: 0;
    touch-action: manipulation;
}

.card-action-icon-btn:hover {
    transform: translateY(-1px);
    background: #F8FAFC;
    border-color: #CBD5E1;
    color: #1D4ED8;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.card-action-icon-btn.is-active-btn {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 2px 6px rgba(15, 118, 110, 0.22);
}

.card-action-icon-btn:active {
    transform: scale(0.94);
}

/* ==========================================================================
   Password-Protected / Locked PDF Card Styling
   ========================================================================== */

.pdf-card.is-locked-doc {
    border-color: rgba(245, 158, 11, 0.45);
    background: #FFFDF9;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
}

.pdf-card.is-locked-doc:hover {
    border-color: #F59E0B;
    box-shadow: 0 10px 24px -4px rgba(245, 158, 11, 0.22), 0 2px 6px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}

.is-locked-thumb-wrapper {
    background: linear-gradient(180deg, #FEF3C7 0%, #F8FAFC 35%, #F1F5F9 100%) !important;
    cursor: pointer;
}

.is-locked-thumb-wrapper:hover .card-rendered-img,
.is-locked-thumb-wrapper:hover canvas {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(217, 119, 6, 0.25);
}

/* Top-left Security Unlock Badge (Never overlaps with right-side checkbox) */
.card-btn-unlock-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 12;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(254, 243, 199, 0.94);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid #F59E0B;
    color: #92400E;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(217, 119, 6, 0.18);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-btn-unlock-badge:hover {
    background: #F59E0B;
    color: #FFFFFF;
    transform: translateY(-1px) scale(1.04);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.32);
}

.card-btn-unlock-badge:active {
    transform: scale(0.96);
}

/* Locked Card Footer Meta Actions */
.card-meta-locked-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 8px;
}

.card-btn-unlock-cta {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 9px;
    padding: 7px 12px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.card-btn-unlock-cta:hover {
    background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.35);
    transform: translateY(-1px);
}

.card-btn-unlock-cta:active {
    transform: scale(0.97);
}

.card-btn-locked-del {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748B;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
    flex-shrink: 0;
}

.card-btn-locked-del:hover {
    background: #FEF2F2;
    border-color: #EF4444;
    color: #DC2626;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.2);
}

.card-btn-locked-del:active {
    transform: scale(0.94);
}

/* ==========================================================================
   Secondary Dropzone (Inside Workspace)
   ========================================================================== */

.workspace-dropzone {
    border: 2px dashed rgba(15, 118, 110, 0.35);
    border-radius: var(--radius-md);
    padding: 1.25rem 1rem;
    margin-top: 1rem;
    background: rgba(248, 250, 252, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: all var(--transition-base);
}

.workspace-dropzone:hover,
.workspace-dropzone.dragover {
    border-color: var(--accent);
    background: rgba(15, 118, 110, 0.05);
    transform: translateY(-1px);
}

.workspace-dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    pointer-events: none;
}

.workspace-dropzone-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    justify-content: center;
}

.workspace-dropzone-icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(15, 118, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.workspace-dropzone-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

.btn-workspace-add-file {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1.25rem;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    background: #FFFFFF;
    border: 1.5px solid var(--border);
    color: var(--text-dark);
    box-shadow: var(--shadow-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

/* ==========================================================================
   Sticky Bottom Control Panel (App Dock)
   ========================================================================== */

.cppdf-control-panel {
    position: fixed;
    bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(140%);
    width: min(calc(100% - 2rem), 960px);
    max-width: 960px;
    z-index: 1500;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    opacity: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: rgba(75, 75, 75, 0.15);
    backdrop-filter: blur(28px) saturate(190%);
    -webkit-backdrop-filter: blur(28px) saturate(190%);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 26px;
    box-shadow:
        0 24px 60px -12px rgba(15, 23, 42, 0.22),
        0 8px 24px -4px rgba(15, 23, 42, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        inset 0 1.5px 1px rgba(255, 255, 255, 0.6);
    padding: 12px 18px calc(12px + env(safe-area-inset-bottom, 0px)) 18px;
    box-sizing: border-box;
}

.cppdf-control-panel.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.cppdf-control-panel.is-scrolled-out,
.cppdf-control-panel.active.is-scrolled-out {
    transform: translateX(-50%) translateY(140%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.cppdf-container {
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}

.cppdf-row-1 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
    width: 100%;
    box-sizing: border-box;
}

/* Hide extra toggle view and static fallback merge button */
#cppdfBtnToggleView,
#cppdfBtnMerge {
    display: none !important;
}

/* Secondary Button (Add PDF) - Polished Ceramic Pill */
.cppdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    box-sizing: border-box;
    padding: 0.72rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: #1E293B;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    box-shadow:
        0 2px 6px rgba(15, 23, 42, 0.06),
        inset 0 1px 0 #FFFFFF;
    touch-action: manipulation;
}

.cppdf-btn svg {
    color: #0F766E;
    transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.cppdf-btn:hover:not(:disabled) {
    background: #FFFFFF;
    border-color: #94A3B8;
    color: #0F172A;
    transform: translateY(-2px);
    box-shadow:
        0 8px 20px -4px rgba(15, 23, 42, 0.14),
        0 3px 8px -2px rgba(15, 23, 42, 0.08),
        inset 0 1px 0 #FFFFFF;
}

.cppdf-btn:hover:not(:disabled) svg {
    transform: scale(1.12);
}

.cppdf-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.cppdf-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
    background: rgba(241, 245, 249, 0.5);
    border-color: rgba(226, 232, 240, 0.6);
    color: #94A3B8;
    box-shadow: none;
}

/* Primary / Add Button: Radiant Emerald Jewel with Dynamic Shimmer */
.cppdf-btn-primary,
#cppdfBtnAddFiles {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #059669 0%, #10B981 50%, #047857 100%);
    background-size: 200% auto;
    color: #FFFFFF;
    font-weight: 700;
    border: 1px solid rgba(110, 231, 183, 0.6);
    box-shadow:
        0 8px 24px -3px rgba(16, 185, 129, 0.48),
        0 2px 6px rgba(5, 150, 105, 0.28),
        inset 0 1.5px 1px rgba(255, 255, 255, 0.5);
    padding: 0.74rem 1.6rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-position 0.5s ease;
}

.cppdf-btn-primary::after,
#cppdfBtnAddFiles::after {
    content: '';
    position: absolute;
    top: 0;
    left: -120%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: skewX(-22deg);
    pointer-events: none;
}

.cppdf-btn-primary:hover::after,
#cppdfBtnAddFiles:hover::after {
    left: 180%;
    transition: left 0.75s ease-in-out;
}

.cppdf-btn-primary svg,
#cppdfBtnAddFiles svg {
    color: #FFFFFF;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cppdf-btn-primary:hover,
#cppdfBtnAddFiles:hover {
    background-position: right center;
    border-color: #A7F3D0;
    box-shadow:
        0 12px 30px -2px rgba(16, 185, 129, 0.62),
        0 4px 12px rgba(5, 150, 105, 0.35),
        inset 0 1.5px 1px rgba(255, 255, 255, 0.7);
    transform: translateY(-2.5px) scale(1.025);
}

.cppdf-btn-primary:hover svg,
#cppdfBtnAddFiles:hover svg {
    transform: scale(1.22) rotate(90deg);
}

.cppdf-btn-primary:active,
#cppdfBtnAddFiles:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

/* ==========================================================================
   Horizontal Quick-Tools Dock (Attached Inside cppdf-control-panel)
   ========================================================================== */

.workspace-tools-sidebar {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    transform: none;
    z-index: 2;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
    pointer-events: auto;
    opacity: 1;
    margin: 0;
    padding: 0;
}

.tools-sidebar-inner {
    background: rgba(75, 75, 75, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 9999px;
    padding: 6px 14px;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}

.tools-sidebar-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
    width: 100%;
    gap: 10px;
}

.sidebar-tool-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid rgba(203, 213, 225, 0.8);
    color: #475569;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(15, 23, 42, 0.05), inset 0 1px 0 #FFFFFF;
    transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.sidebar-tool-btn svg {
    width: 19px;
    height: 19px;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.2s ease;
}

/* Tool 1: Split PDF - Electric Indigo Glow */
.sidebar-tool-btn[data-tool="split-pdf"]:hover {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border-color: #818CF8;
    color: #4F46E5;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(99, 102, 241, 0.35), inset 0 1px 0 #FFFFFF;
}

/* Tool 2: Watermark - Cyan / Sky Glow */
.sidebar-tool-btn[data-tool="watermark"]:hover {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    border-color: #38BDF8;
    color: #0284C7;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(14, 165, 233, 0.35), inset 0 1px 0 #FFFFFF;
}

/* Tool 3: Sign PDF - Violet / Fuchsia Glow */
.sidebar-tool-btn[data-tool="sign-pdf"]:hover {
    background: linear-gradient(135deg, #FAF5FF 0%, #F3E8FF 100%);
    border-color: #C084FC;
    color: #9333EA;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(168, 85, 247, 0.35), inset 0 1px 0 #FFFFFF;
}

/* Tool 4: Protect PDF - Golden Amber Glow */
.sidebar-tool-btn[data-tool="protect-pdf"]:hover {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border-color: #FBBF24;
    color: #D97706;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(245, 158, 11, 0.35), inset 0 1px 0 #FFFFFF;
}

/* Tool 5: Unlock PDF - Rose / Coral Glow */
.sidebar-tool-btn[data-tool="unlock-pdf"]:hover {
    background: linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%);
    border-color: #FB7185;
    color: #E11D48;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(244, 63, 94, 0.35), inset 0 1px 0 #FFFFFF;
}

/* Fallback hover for other tools */
.sidebar-tool-btn:hover {
    background: #FFFFFF;
    border-color: #0F766E;
    color: #0F766E;
    transform: translateY(-2.5px) scale(1.08);
    box-shadow: 0 8px 20px -2px rgba(15, 118, 110, 0.25);
}

.sidebar-tool-btn.is-active {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-color: #34D399;
    color: #FFFFFF;
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.sidebar-tool-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    top: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.92);
    color: white;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.sidebar-tool-btn:hover .sidebar-tool-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}

/* ==========================================================================
   Mobile Responsiveness (Workspace)
   ========================================================================== */

@media (max-width: 768px) {
    .editor-view {
        padding: 1.25rem 0.85rem 0.85rem 0.85rem;
        border-radius: var(--radius-lg);
    }
    .merge-thumbnail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    .card-actions-bar {
        position: absolute;
        top: 8px;
        left: 8px;
        right: auto;
        bottom: auto;
        flex-direction: column;
        padding: 3px;
        gap: 3px;
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid #E2E8F0;
        border-radius: 9999px;
        height: auto;
        width: auto;
        z-index: 10;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }
    .card-btn-action {
        width: 24px;
        height: 24px;
        min-width: 24px;
        border-radius: 50%;
        background: #FFFFFF;
        border: 1px solid #E2E8F0;
        color: #475569;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    }
    .card-btn-action svg {
        width: 12px;
        height: 12px;
    }
    .card-select-checkbox {
        position: absolute;
        top: 8px;
        right: 8px;
        width: 22px;
        height: 22px;
        z-index: 10;
        cursor: pointer;
    }
    .card-thumb-wrapper {
        height: 175px;
        padding: 6px;
    }
    .card-meta {
        padding: 0.45rem 0.5rem;
        background: #FFFFFF;
        border-top: 1px solid #F1F5F9;
    }
    .card-action-icon-btn {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: #F8FAFC;
        border: 1px solid #E2E8F0;
        color: #475569;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    }
    .card-action-icon-btn svg {
        width: 14px;
        height: 14px;
    }
    .workspace-actions {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .workspace-filename-pill {
        display: inline-flex;
        align-items: center;
        max-width: 190px;
        padding: 0.35rem 0.75rem 0.35rem 0.65rem;
    }
    .workspace-tools-sidebar {
        position: static;
        bottom: auto;
        left: auto;
        right: auto;
        top: auto;
        transform: none;
        z-index: 2;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        width: 100%;
        margin: 0;
        padding: 0;
    }
    .tools-sidebar-inner {
        padding: 5px 8px;
        background: rgba(75, 75, 75, 0.15);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-radius: 9999px;
        box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
        display: flex;
        align-items: center;
        justify-content: space-evenly;
        width: 100%;
        box-sizing: border-box;
    }
    .tools-sidebar-list {
        display: flex;
        flex-direction: row;
        gap: 6px;
        align-items: center;
        justify-content: space-evenly;
        width: 100%;
    }
    .sidebar-tool-btn {
        width: 38px;
        height: 38px;
        flex-shrink: 0;
    }
    .sidebar-tool-btn svg {
        width: 17px;
        height: 17px;
    }
    .cppdf-control-panel {
        width: calc(100% - 1.7rem);
        max-width: 440px;
        left: 50%;
        transform: translateX(-50%) translateY(140%);
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px)) 14px;
        border-radius: 22px;
        background: rgba(75, 75, 75, 0.15);
        backdrop-filter: blur(24px) saturate(190%);
        -webkit-backdrop-filter: blur(24px) saturate(190%);
        border: 1px solid rgba(255, 255, 255, 0.45);
        box-shadow:
            0 20px 45px -10px rgba(15, 23, 42, 0.22),
            0 6px 18px -4px rgba(15, 23, 42, 0.12),
            0 0 0 1px rgba(255, 255, 255, 0.3),
            inset 0 1.5px 1px rgba(255, 255, 255, 0.6);
    }
    .cppdf-control-panel.active {
        transform: translateX(-50%) translateY(0);
    }
    .cppdf-container {
        padding: 0;
        border-radius: 0;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        box-shadow: none;
        width: 100%;
        box-sizing: border-box;
    }
    .cppdf-row-1 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px 10px;
        width: 100%;
        box-sizing: border-box;
    }
    .cppdf-btn {
        width: 100%;
        box-sizing: border-box;
        padding: 0.72rem 1rem;
        font-size: 0.88rem;
        font-weight: 600;
        border-radius: 9999px;
        background: rgba(255, 255, 255, 0.75);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.8);
        color: #1E293B;
        box-shadow: 0 2px 6px rgba(15, 23, 42, 0.06), inset 0 1px 0 #FFFFFF;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .cppdf-btn svg {
        color: #0F766E;
    }
    .cppdf-btn-primary,
    #cppdfBtnAddFiles {
        position: relative;
        overflow: hidden;
        background: linear-gradient(135deg, #059669 0%, #10B981 50%, #047857 100%);
        background-size: 200% auto;
        border: 1px solid rgba(110, 231, 183, 0.6);
        color: #FFFFFF;
        font-weight: 700;
        box-shadow:
            0 6px 18px -2px rgba(5, 150, 105, 0.45),
            0 2px 5px rgba(5, 150, 105, 0.25),
            inset 0 1.5px 1px rgba(255, 255, 255, 0.5);
        padding: 0.72rem 1rem;
        font-size: 0.88rem;
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .cppdf-btn-primary svg,
    #cppdfBtnAddFiles svg {
        color: #FFFFFF;
        transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    .cppdf-btn-primary:active,
    #cppdfBtnAddFiles:active {
        transform: scale(0.97);
    }
    .cppdf-btn:disabled {
        opacity: 0.45;
        background: rgba(241, 245, 249, 0.5);
        border-color: rgba(226, 232, 240, 0.6);
        color: #94A3B8;
        pointer-events: none;
    }
}

/* ==========================================================================
   Comprehensive SEO Article Content & FAQ Typography (MergePDF.online)
   ========================================================================== */
.seo-article-wrapper {
    width: 100%;
    max-width: 1100px;
    margin: 3.5rem auto 4.5rem auto;
    text-align: left;
    color: #334155;
    line-height: 1.85;
}

.seo-article-wrapper h2 {
    font-size: calc(2.1rem * var(--text-scale, 1));
    font-weight: 800;
    color: var(--text-dark, #0f172a);
    margin-top: 3.5rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

.seo-article-wrapper h2:first-of-type {
    margin-top: 0.5rem;
}

.seo-article-wrapper h3 {
    font-size: calc(1.4rem * var(--text-scale, 1));
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin-top: 2.25rem;
    margin-bottom: 0.85rem;
    letter-spacing: -0.015em;
    line-height: 1.35;
}

.seo-article-wrapper p {
    font-size: calc(1.05rem * var(--text-scale, 1));
    color: #475569;
    line-height: 1.85;
    margin-bottom: 1.35rem;
}

.seo-article-wrapper ul,
.seo-article-wrapper ol {
    margin: 1.25rem 0 1.75rem 1.75rem;
    color: #475569;
    font-size: calc(1.03rem * var(--text-scale, 1));
    line-height: 1.8;
}

.seo-article-wrapper li {
    margin-bottom: 0.75rem;
}

.seo-article-wrapper strong {
    color: var(--text-dark, #0f172a);
    font-weight: 700;
}

.seo-article-wrapper a {
    color: var(--primary-green, #0f766e);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
    transition: color 0.15s ease;
}

.seo-article-wrapper a:hover {
    color: var(--accent-orange, #e38258);
}

/* Feature Grid inside SEO Body */
.seo-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.35rem;
    margin: 2rem 0 2.5rem 0;
}

.seo-feature-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    padding: 1.5rem 1.65rem;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.seo-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
    border-color: rgba(15, 118, 110, 0.35);
}

.seo-feature-card h4 {
    font-size: 1.15rem;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin-bottom: 0.5rem;
}

.seo-feature-card p {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.65;
    margin: 0;
}

/* Related Tools Grid */
.seo-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1.75rem 0 2.5rem 0;
}

.seo-tool-card {
    display: block;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    padding: 1.1rem 1.25rem;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.seo-tool-card:hover {
    border-color: var(--primary-green, #0f766e);
    box-shadow: 0 6px 20px rgba(15, 118, 110, 0.1);
    transform: translateY(-2px);
}

.seo-tool-card-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dark, #0f172a);
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seo-tool-card-title span {
    color: var(--primary-green, #0f766e);
}

.seo-tool-card-desc {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.5;
    margin: 0;
}

/* FAQ Accordion Styling */
.seo-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    margin: 2rem 0 3rem 0;
}

.seo-faq-item {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    padding: 1.4rem 1.65rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.02);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.seo-faq-item:hover {
    border-color: rgba(15, 118, 110, 0.35);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.seo-faq-item h3 {
    font-size: 1.15rem;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin: 0 0 0.65rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.45;
}

.seo-faq-num {
    background: rgba(15, 118, 110, 0.1);
    color: var(--primary-green, #0f766e);
    font-size: 0.85rem;
    font-weight: 800;
    padding: 0.15rem 0.55rem;
    border-radius: 6px;
    flex-shrink: 0;
    margin-top: 2px;
}

.seo-faq-item p {
    font-size: 0.98rem;
    color: #475569;
    line-height: 1.75;
    margin: 0;
}

/* Final CTA Banner */
.seo-cta-banner {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.08) 0%, rgba(227, 130, 88, 0.08) 100%);
    border: 1.5px solid rgba(15, 118, 110, 0.2);
    border-radius: 18px;
    padding: 2.5rem 2rem;
    text-align: center;
    margin: 3.5rem 0 1.5rem 0;
}

.seo-cta-banner h2 {
    margin-top: 0 !important;
    margin-bottom: 0.85rem !important;
    font-size: calc(2rem * var(--text-scale, 1)) !important;
}

.seo-cta-banner p {
    max-width: 680px;
    margin: 0 auto 1.75rem auto !important;
    font-size: 1.05rem;
}

.seo-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--primary-green, #0f766e);
    color: #ffffff !important;
    padding: 0.95rem 2.25rem;
    border-radius: 9999px;
    font-size: 1.05rem;
    font-weight: 750;
    text-decoration: none !important;
    box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-cta-btn:hover {
    background: #0d6861;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 118, 110, 0.45);
}

/* SEO Comparison Table */
.seo-table-container {
    width: 100%;
    overflow-x: auto;
    margin: 2rem 0 2.5rem 0;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #ffffff;
    -webkit-overflow-scrolling: touch;
}

.seo-comparison-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 0.96rem;
    text-align: left;
}

.seo-comparison-table th {
    background: #f8fafc;
    color: var(--text-dark, #0f172a);
    font-weight: 750;
    padding: 1.1rem 1.35rem;
    border-bottom: 2px solid rgba(15, 23, 42, 0.08);
    letter-spacing: -0.01em;
}

.seo-comparison-table th:first-child {
    width: 26%;
}

.seo-comparison-table th:nth-child(2) {
    width: 37%;
    background: rgba(15, 118, 110, 0.07);
    color: var(--primary-green, #0f766e);
}

.seo-comparison-table th:nth-child(3) {
    width: 37%;
}

.seo-comparison-table td {
    padding: 1.05rem 1.35rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    color: #475569;
    line-height: 1.6;
}

.seo-comparison-table tr:last-child td {
    border-bottom: none;
}

.seo-comparison-table td:nth-child(2) {
    background: rgba(15, 118, 110, 0.02);
    font-weight: 600;
    color: var(--text-dark, #0f172a);
}

.seo-comparison-table tr:hover td {
    background-color: #f8fafc;
}

.seo-comparison-table tr:hover td:nth-child(2) {
    background-color: rgba(15, 118, 110, 0.05);
}

/* Callout Box / Verification Card */
.seo-callout-card {
    background: #ffffff;
    border: 1.5px solid rgba(15, 118, 110, 0.25);
    border-left: 5px solid var(--primary-green, #0f766e);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    margin: 2rem 0 2.25rem 0;
    box-shadow: 0 4px 18px rgba(15, 118, 110, 0.05);
}

.seo-callout-card h4 {
    font-size: 1.15rem;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin: 0 0 0.6rem 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.seo-callout-card p {
    font-size: 0.98rem;
    color: #475569;
    line-height: 1.75;
    margin: 0 0 0.85rem 0;
}

.seo-callout-card p:last-child {
    margin-bottom: 0;
}

.seo-callout-card ol,
.seo-callout-card ul {
    margin: 0.6rem 0 0 1.25rem;
    padding: 0;
    font-size: 0.95rem;
    color: #475569;
}

.seo-callout-card li {
    margin-bottom: 0.45rem;
}

@media (max-width: 768px) {
    .seo-article-wrapper {
        margin: 2.5rem auto 3.5rem auto;
    }
    .seo-article-wrapper h2 {
        font-size: 1.65rem;
        margin-top: 2.5rem;
    }
    .seo-article-wrapper h3 {
        font-size: 1.25rem;
    }
    .seo-article-wrapper p {
        font-size: 0.98rem;
    }
    .seo-features-grid {
        grid-template-columns: 1fr;
    }
    .seo-tools-grid {
        grid-template-columns: 1fr;
    }
    .seo-faq-item {
        padding: 1.15rem 1.25rem;
    }
    .seo-cta-banner {
        padding: 1.85rem 1.25rem;
    }
}

/* ==========================================================================
   Editorial, Authorship & Engineering Attribution
   ========================================================================== */

.seo-editorial-attribution {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.editorial-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    margin-bottom: 2rem;
    padding: 0.85rem 1.25rem;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-control, 8px);
    font-size: 0.88rem;
    color: #475569;
}

.editorial-meta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
}

.editorial-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.editorial-meta-item svg {
    color: var(--primary-green, #0f766e);
    flex-shrink: 0;
}

.editorial-meta-item strong {
    color: var(--text-dark, #0f172a);
    font-weight: 650;
}

.editorial-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 1.5rem;
    margin-top: 1.75rem;
}

.editorial-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-card, 14px);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.editorial-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.08);
    border-color: rgba(15, 118, 110, 0.3);
}

.editorial-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.editorial-card-avatar {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    object-fit: cover;
    border: 2.5px solid rgba(15, 118, 110, 0.25);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.07);
    flex-shrink: 0;
}

.editorial-card-meta h3 {
    margin: 0 0 0.25rem 0 !important;
    font-size: 1.15rem !important;
    color: var(--text-dark, #0f172a);
    font-weight: 700;
}

.editorial-badge {
    display: inline-block;
    background: #f0fdfa;
    color: var(--primary-green, #0f766e);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    border: 1px solid rgba(15, 118, 110, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.editorial-card-body {
    color: #475569;
    font-size: 0.93rem;
    line-height: 1.62;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.editorial-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--primary-green, #0f766e);
    font-weight: 650;
    font-size: 0.88rem;
    text-decoration: none;
    margin-top: auto;
    transition: color 0.15s ease;
}

.editorial-card-link:hover {
    color: #115e59;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .editorial-meta-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
    }
    .editorial-cards-grid {
        grid-template-columns: 1fr;
    }
}
/* ==========================================================================
   Complete SEO Article Components, Workflows, Attribution & FAQs
   ========================================================================== */

/* Step-by-Step Process Workflows */
.seo-steps-list {
    list-style: none;
    counter-reset: seo-steps-counter;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0 3rem 0;
    padding: 0;
}

.seo-steps-list > li {
    counter-increment: seo-steps-counter;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-card, 14px);
    padding: 1.75rem 1.6rem;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.seo-steps-list > li:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.08);
    border-color: rgba(15, 118, 110, 0.35);
}

.seo-steps-list > li h3 {
    font-size: 1.15rem !important;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin: 0 0 0.75rem 0 !important;
    line-height: 1.4;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.seo-steps-list > li p {
    font-size: 0.94rem;
    color: #475569;
    line-height: 1.65;
    margin: 0;
    flex-grow: 1;
}

.seo-steps-list > li code {
    background: #f1f5f9;
    color: #0f766e;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Feature Modes Grid */
.seo-feature-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin: 1.75rem 0 2.5rem 0;
}

/* Callout Box Header */
.seo-callout-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

/* Technical Code Blocks inside SEO Articles */
.seo-code-block {
    background: #0b0f19;
    color: #f1f5f9;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 1.5rem 0 2rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.seo-code-block code {
    color: inherit;
    background: none;
    padding: 0;
    font-size: inherit;
}

/* Feature Cards h3 & icon styling */
.seo-feature-card h3 {
    font-size: 1.15rem;
    font-weight: 750;
    color: var(--text-dark, #0f172a);
    margin-bottom: 0.5rem;
}

.seo-feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #f0fdfa;
    color: #0f766e;
    margin-bottom: 0.85rem;
}

.seo-comparison-table-wrapper {
    overflow-x: auto;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 14px;
    margin: 2rem 0 2.5rem 0;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
}

/* Editorial Cards Typography & Link Elements (Format B) */
.editorial-card-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.editorial-role-label {
    display: inline-block;
    align-self: flex-start;
    background: #f0fdfa;
    color: #0f766e;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    border: 1px solid rgba(15, 118, 110, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.editorial-card-name {
    margin: 0 0 0.45rem 0 !important;
    font-size: 1.15rem !important;
    font-weight: 750;
    color: #0f172a;
}

.editorial-card-name a {
    color: #0f172a !important;
    text-decoration: none !important;
}

.editorial-card-name a:hover {
    color: #0f766e !important;
    text-decoration: underline !important;
}

.editorial-card-bio {
    color: #475569;
    font-size: 0.92rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
    flex-grow: 1;
}

.editorial-card-links {
    margin-top: auto;
}

.editorial-author-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #0f766e !important;
    font-weight: 650;
    font-size: 0.88rem;
    text-decoration: none !important;
    transition: color 0.15s ease, transform 0.15s ease;
}

.editorial-author-link:hover {
    color: #115e59 !important;
    transform: translateX(2px);
    text-decoration: underline !important;
}

/* Format C: Authorship Block */
.seo-authorship-block {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0 2rem 0;
}

.seo-author-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-card, 14px);
    padding: 1.6rem;
    display: flex;
    gap: 1.25rem;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.seo-author-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.08);
    border-color: rgba(15, 118, 110, 0.35);
}

.seo-author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f766e, #14b8a6);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 750;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
    flex-shrink: 0;
}

.seo-author-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.seo-author-name {
    margin: 0 0 0.25rem 0 !important;
    font-size: 1.1rem !important;
    font-weight: 750;
    color: #0f172a;
}

.seo-author-name a {
    color: #0f172a !important;
    text-decoration: none !important;
}

.seo-author-name a:hover {
    color: #0f766e !important;
    text-decoration: underline !important;
}

.seo-author-role {
    font-size: 0.84rem;
    color: #0f766e;
    font-weight: 600;
    margin: 0 0 0.6rem 0;
}

.seo-author-bio {
    font-size: 0.91rem;
    color: #475569;
    line-height: 1.6;
    margin: 0 0 0.85rem 0;
}

.seo-author-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #0f766e !important;
    font-weight: 650;
    font-size: 0.88rem;
    text-decoration: none !important;
    margin-top: auto;
}

.seo-author-link:hover {
    color: #115e59 !important;
    text-decoration: underline !important;
}

.seo-metadata-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 1.4rem;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: var(--radius-control, 8px);
    font-size: 0.88rem;
    color: #475569;
    margin: 2rem 0;
}

/* Format C: FAQ Accordion */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0 3rem 0;
}

.faq-item {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.02);
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: rgba(15, 118, 110, 0.35);
    box-shadow: 0 6px 18px rgba(15, 118, 110, 0.06);
}

.faq-item .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-size: 1.08rem;
    font-weight: 700;
    color: #0f172a;
    text-align: left;
    cursor: pointer;
}

.faq-item .faq-question svg {
    color: #0f766e;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-item .faq-answer {
    margin-top: 0.85rem;
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.68;
    padding: 0;
}

/* ==========================================================================
   Workspace Controls & Shell UI Components
   ========================================================================== */

/* Workspace Download Action Bar */
.workspace-download-action-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-workspace-main-download {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-control, 8px);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Tools Directory Banner */
.tools-banner {
    width: 100%;
    margin-bottom: 2rem;
}

/* Side Panel Icon Box & Close Trigger */
.sidebar-tool-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(15, 118, 110, 0.08);
    color: var(--accent, #0f766e);
    flex-shrink: 0;
}

.side-panel-close-trigger {
    cursor: pointer;
}

/* Format Card Info */
.format-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Control Panel Flex Structure */
.cppdf-row {
    display: flex;
    align-items: center;
    width: 100%;
}

.cppdf-flex-spacer {
    flex-grow: 1;
}

.cppdf-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

/* Studio Overlay Shades */
.crop-shade-top {
    top: 0;
    left: 0;
    right: 0;
}

.crop-shade-bottom {
    bottom: 0;
    left: 0;
    right: 0;
}

.crop-shade-left {
    top: 0;
    bottom: 0;
    left: 0;
}

.crop-shade-right {
    top: 0;
    bottom: 0;
    right: 0;
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .seo-steps-list {
        grid-template-columns: 1fr;
    }
    .seo-feature-modes {
        grid-template-columns: 1fr;
    }
    .seo-authorship-block {
        grid-template-columns: 1fr;
    }
    .seo-author-card {
        flex-direction: column;
        align-items: flex-start;
    }
}