/* ============================================================
   Delete Pages From PDF — delete-pages-from-pdf.css
   Prefix: dpdf-   Accent: #8B5CF6 (violet)
   Accent RGB: 139, 92, 246
   ============================================================ */

.dpdf-section {
    --tool-accent: #8B5CF6;
    --tool-accent-rgb: 139, 92, 246;
    padding: 40px 0 80px;
}

.dpdf-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.22);
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #8B5CF6;
    margin-bottom: 12px;
}

.dpdf-upload-zone {
    display: block;
    border: 2px dashed rgba(139, 92, 246, 0.32);
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.03);
    padding: 56px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    outline: none;
}

.dpdf-upload-zone:hover,
.dpdf-upload-zone:focus-visible {
    border-color: rgba(139, 92, 246, 0.6);
    background: rgba(139, 92, 246, 0.07);
}

.dpdf-upload-zone.dpdf-drag-over {
    border-color: #8B5CF6;
    background: rgba(139, 92, 246, 0.1);
}

.dpdf-upload-icon {
    font-size: 3rem;
    color: #8B5CF6;
    opacity: 0.65;
    margin-bottom: 14px;
    display: block;
}

.dpdf-upload-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.dpdf-upload-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
}

.dpdf-upload-formats {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin: 0;
}

/* File bar */
.dpdf-file-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    background: rgba(139, 92, 246, 0.04);
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.dpdf-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.dpdf-file-icon {
    font-size: 1.75rem;
    color: #8B5CF6;
    flex-shrink: 0;
}

.dpdf-file-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}

.dpdf-file-size {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.dpdf-page-count {
    font-size: 0.8125rem;
    color: #8B5CF6;
    font-weight: 600;
    white-space: nowrap;
}

.dpdf-change-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid rgba(100, 116, 139, 0.2);
    border-radius: 8px;
    background: #F8FAFC;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.dpdf-change-btn:hover {
    border-color: #8B5CF6;
    color: #8B5CF6;
}

/* Control row */
.dpdf-control-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 18px;
    background: #FFFFFF;
    border: 1px solid rgba(100, 116, 139, 0.14);
    border-radius: 12px;
    margin-bottom: 10px;
}

.dpdf-range-wrap {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 220px;
}

.dpdf-range-label {
    font-size: 0.78125rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dpdf-range-input-wrap {
    display: flex;
    gap: 6px;
}

.dpdf-range-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid rgba(100, 116, 139, 0.2);
    border-radius: 8px;
    background: #FFFFFF;
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s;
}

.dpdf-range-input:focus {
    border-color: #8B5CF6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.dpdf-range-apply {
    padding: 8px 14px;
    background: #8B5CF6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.dpdf-range-apply:hover {
    background: #7C3AED;
}

.dpdf-range-hint {
    font-size: 0.75rem;
    color: var(--text-light);
}

.dpdf-marked-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 20px;
    white-space: nowrap;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: #8B5CF6;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Select-all row */
.dpdf-select-all-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.dpdf-link-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 0.8125rem;
    color: #8B5CF6;
    font-weight: 500;
    text-decoration: underline;
}

.dpdf-link-btn:hover {
    color: #7C3AED;
}

.dpdf-sep {
    color: var(--text-light);
}

.dpdf-hint-small {
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* Thumbnail grid */
.dpdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
    min-height: 80px;
}

.dpdf-thumb {
    position: relative;
    border: 2px solid rgba(100, 116, 139, 0.18);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s, box-shadow 0.15s;
    background: #F8FAFC;
}

.dpdf-thumb:hover {
    border-color: #8B5CF6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.dpdf-thumb.dpdf-marked {
    border-color: #8B5CF6;
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
}

.dpdf-thumb-canvas {
    width: 100%;
    display: block;
    aspect-ratio: 3/4;
    object-fit: contain;
}

.dpdf-thumb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(139, 92, 246, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
}

.dpdf-thumb.dpdf-marked .dpdf-thumb-overlay {
    opacity: 1;
}

.dpdf-thumb-x {
    font-size: 2.5rem;
    color: #fff;
}

.dpdf-thumb-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3px 0;
    text-align: center;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.85);
}

/* Loading */
.dpdf-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    padding: 32px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.dpdf-loading[hidden] {
    display: none;
}

.dpdf-spin {
    font-size: 1.5rem;
    animation: dpdf-spin 1s linear infinite;
}

@keyframes dpdf-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Progress */
.dpdf-progress-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.dpdf-progress-wrap[hidden] {
    display: none;
}

.dpdf-progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(100, 116, 139, 0.14);
    border-radius: 3px;
    overflow: hidden;
}

.dpdf-progress-fill {
    height: 100%;
    width: 0;
    background: #8B5CF6;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.dpdf-progress-text {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 140px;
}

.dpdf-status {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 14px;
}

.dpdf-status[hidden] {
    display: none;
}

.dpdf-status--success {
    background: rgba(22, 163, 74, 0.08);
    border: 1px solid rgba(22, 163, 74, 0.25);
    color: #15803D;
}

.dpdf-status--error {
    background: rgba(239, 68, 68, 0.07);
    border: 1px solid rgba(239, 68, 68, 0.22);
    color: #DC2626;
}

.dpdf-status--info {
    background: rgba(139, 92, 246, 0.06);
    border: 1px solid rgba(139, 92, 246, 0.18);
    color: #7C3AED;
}

/* Action bar */
.dpdf-action-bar {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 18px;
    background: #FFFFFF;
    border: 1px solid rgba(100, 116, 139, 0.14);
    border-radius: 12px;
}

.dpdf-output-wrap {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 180px;
}

.dpdf-output-label {
    font-size: 0.78125rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dpdf-output-input {
    padding: 8px 12px;
    border: 1px solid rgba(100, 116, 139, 0.2);
    border-radius: 8px;
    background: #FFFFFF;
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
}

.dpdf-output-input:focus {
    border-color: #8B5CF6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.dpdf-btn-apply {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: #8B5CF6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.3);
}

.dpdf-btn-apply:hover {
    background: #7C3AED;
    box-shadow: 0 4px 18px rgba(139, 92, 246, 0.4);
}

.dpdf-btn-apply:disabled {
    background: #94A3B8;
    box-shadow: none;
    cursor: not-allowed;
}

@media (max-width: 600px) {
    .dpdf-section {
        padding: 24px 0 60px;
    }

    .dpdf-upload-zone {
        padding: 40px 16px;
    }

    .dpdf-control-row {
        flex-direction: column;
        align-items: stretch;
    }

    .dpdf-action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .dpdf-btn-apply {
        justify-content: center;
    }

    .dpdf-file-name {
        max-width: 160px;
    }

    .dpdf-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

/* ============================================================
   Toolbar — selection + mode toggle + grid size
   ============================================================ */
.dpdf-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.dpdf-toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dpdf-tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    border: 1px solid rgba(100, 116, 139, 0.18);
    border-radius: 7px;
    background: #F8FAFC;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.dpdf-tool-btn:hover {
    border-color: #8B5CF6;
    color: #8B5CF6;
    background: rgba(139, 92, 246, 0.06);
}

/* ── Mode toggle pill ─────────────────────────────────────── */
.dpdf-mode-toggle {
    display: inline-flex;
    border: 1px solid rgba(100, 116, 139, 0.18);
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.dpdf-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.dpdf-mode-btn--active {
    background: #8B5CF6;
    color: #fff;
}

.dpdf-mode-btn:not(.dpdf-mode-btn--active):hover {
    background: rgba(139, 92, 246, 0.06);
    color: #8B5CF6;
}

/* ── Grid size control ────────────────────────────────────── */
.dpdf-grid-size {
    display: inline-flex;
    margin-left: auto;
    border: 1px solid rgba(100, 116, 139, 0.18);
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.dpdf-size-btn {
    padding: 6px 11px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.03em;
    transition: background 0.15s, color 0.15s;
}

.dpdf-size-btn--active {
    background: #8B5CF6;
    color: #fff;
}

.dpdf-size-btn:not(.dpdf-size-btn--active):hover {
    background: rgba(139, 92, 246, 0.06);
    color: #8B5CF6;
}

/* ── Grid size variants ───────────────────────────────────── */
.dpdf-grid--sm {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
}

.dpdf-grid--md {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
}

.dpdf-grid--lg {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}

/* ── Thumbnail hover action buttons (zoom + rotate) ──────── */
.dpdf-thumb-actions {
    position: absolute;
    top: 5px;
    right: 5px;
    display: flex;
    gap: 3px;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 3;
}

.dpdf-thumb:hover .dpdf-thumb-actions,
.dpdf-thumb:focus-within .dpdf-thumb-actions {
    opacity: 1;
}

.dpdf-thumb-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.93);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    transition: background 0.12s, color 0.12s;
}

.dpdf-thumb-zoom-btn:hover {
    background: #1D4ED8;
    color: #fff;
}

.dpdf-thumb-rotate-btn:hover {
    background: #7C3AED;
    color: #fff;
}

/* ── Keep mode — green accent ─────────────────────────────── */
.dpdf-section--keep-mode .dpdf-thumb.dpdf-marked {
    border-color: #16A34A;
}

.dpdf-section--keep-mode .dpdf-thumb.dpdf-marked .dpdf-thumb-overlay {
    background: rgba(22, 163, 74, 0.45);
}

.dpdf-section--keep-mode .dpdf-marked-badge {
    background: rgba(22, 163, 74, 0.08);
    color: #15803D;
}

.dpdf-section--keep-mode .dpdf-mode-btn--active {
    background: #16A34A;
}

/* ============================================================
   Page Preview Modal
   ============================================================ */
.dpdf-zoom-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.dpdf-zoom-modal[hidden] {
    display: none;
}

.dpdf-zoom-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.dpdf-zoom-content {
    position: relative;
    z-index: 1;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    max-width: 780px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
}

.dpdf-zoom-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 16px;
    border-bottom: 1px solid rgba(100, 116, 139, 0.12);
    flex-shrink: 0;
}

.dpdf-zoom-title {
    flex: 1;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.dpdf-zoom-nav-btn,
.dpdf-zoom-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(100, 116, 139, 0.18);
    border-radius: 8px;
    background: #F8FAFC;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.15s, color 0.15s;
}

.dpdf-zoom-nav-btn:hover:not(:disabled),
.dpdf-zoom-close:hover {
    border-color: #8B5CF6;
    color: #8B5CF6;
}

.dpdf-zoom-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.dpdf-zoom-canvas-wrap {
    overflow: auto;
    flex: 1;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: #F8FAFC;
}

#dpdf-zoom-canvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.14);
    border-radius: 4px;
    display: block;
}

.dpdf-zoom-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 16px;
    border-top: 1px solid rgba(100, 116, 139, 0.12);
    flex-shrink: 0;
}

.dpdf-zoom-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.dpdf-zoom-rotate-btn {
    border: 1px solid rgba(100, 116, 139, 0.2);
    background: #F8FAFC;
    color: var(--text-secondary);
}

.dpdf-zoom-rotate-btn:hover {
    border-color: #7C3AED;
    color: #7C3AED;
}

.dpdf-zoom-mark-btn {
    border: 1px solid #8B5CF6;
    background: transparent;
    color: #8B5CF6;
}

.dpdf-zoom-mark-btn:hover {
    background: #8B5CF6;
    color: #fff;
}

.dpdf-zoom-mark-btn--marked {
    background: #8B5CF6;
    color: #fff;
    border-color: #8B5CF6;
}

.dpdf-zoom-mark-btn--marked:hover {
    background: #7C3AED;
    border-color: #7C3AED;
}

/* Keep mode overrides for modal mark button */
.dpdf-section--keep-mode .dpdf-zoom-mark-btn {
    border-color: #16A34A;
    color: #16A34A;
}

.dpdf-section--keep-mode .dpdf-zoom-mark-btn:hover {
    background: #16A34A;
    color: #fff;
}

.dpdf-section--keep-mode .dpdf-zoom-mark-btn--marked {
    background: #16A34A;
    border-color: #16A34A;
    color: #fff;
}

.dpdf-section--keep-mode .dpdf-zoom-mark-btn--marked:hover {
    background: #15803D;
    border-color: #15803D;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
    .dpdf-toolbar {
        gap: 6px;
    }

    .dpdf-grid-size {
        margin-left: 0;
    }

    .dpdf-grid--sm,
    .dpdf-grid--md,
    .dpdf-grid--lg {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

    .dpdf-zoom-content {
        max-height: 95vh;
        border-radius: 12px;
    }

    .dpdf-zoom-footer {
        flex-wrap: wrap;
    }

    .dpdf-zoom-action-btn {
        flex: 1;
        justify-content: center;
    }
}