/* ============================================================
   Extract PDF Pages — extract-pdf-pages.css
   Prefix: epp-   Accent: #8B5CF6 (website violet)
   ============================================================ */

.epp-section {
    --tool-accent: #8B5CF6;
    padding: 40px 0 80px;
}

.epp-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;
}

.epp-upload-zone {
    display: block;
    border: 2px dashed rgba(139, 92, 246, 0.3);
    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;
}

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

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

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

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

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

.epp-upload-formats {
    font-size: 0.8125rem;
    color: var(--text-tertiary, #9CA3AF);
    margin: 0;
}

/* File bar */
.epp-file-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

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

.epp-file-icon {
    font-size: 1.5rem;
    color: #8B5CF6;
    flex-shrink: 0;
}

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

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

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

.epp-change-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    background: var(--bg-secondary, #F9FAFB);
    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;
}

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

/* Control row */
.epp-control-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 18px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 12px;
    margin-bottom: 10px;
}

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

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

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

.epp-range-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    background: var(--bg-input, #fff);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s;
}

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

.epp-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;
}

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

.epp-range-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary, #9CA3AF);
}

.epp-selected-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);
    color: #7C3AED;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.epp-sep--grow {
    flex: 1;
}

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

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

.epp-link-btn--icon {
    text-decoration: none;
    font-size: 1rem;
    padding: 2px 4px;
    border-radius: 4px;
    line-height: 1;
}

.epp-link-btn--icon:hover {
    background: rgba(139, 92, 246, 0.1);
}

.epp-sep {
    color: var(--text-tertiary, #9CA3AF);
}

.epp-hint-small {
    font-size: 0.8125rem;
    color: var(--text-tertiary, #9CA3AF);
}

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

.epp-thumb {
    position: relative;
    border: 2px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s;
    background: var(--bg-secondary, #F9FAFB);
}

.epp-thumb:hover {
    border-color: #8B5CF6;
    transform: translateY(-2px);
}

.epp-thumb.epp-selected {
    border-color: #8B5CF6;
    border-width: 2px;
}

/* Loading */

.epp-thumb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(139, 92, 246, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
}

.epp-thumb.epp-selected .epp-thumb-overlay {
    opacity: 1;
}

.epp-thumb-check {
    font-size: 2.25rem;
    color: #fff;
}

position: absolute;
inset: 0;
background: rgba(139, 92, 246, 0.3);
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity 0.15s;
pointer-events: none;
}

.epp-thumb.epp-selected .epp-thumb-overlay {
    opacity: 1;
}

.epp-thumb-check {
    font-size: 2.25rem;
    color: #fff;
}

.epp-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);
}

/* Per-thumbnail rotate controls */
.epp-thumb-actions {
    position: absolute;
    top: 4px;
    right: 4px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
    z-index: 3;
}

.epp-thumb:hover .epp-thumb-actions {
    opacity: 1;
    pointer-events: auto;
}

.epp-thumb-rot-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: none;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.92);
    color: #374151;
    font-size: 0.8rem;
    cursor: pointer;
    line-height: 1;
    transition: background 0.12s, color 0.12s;
}

.epp-thumb-rot-btn:hover {
    background: #8B5CF6;
    color: #fff;
}

/* Rotation badge */
.epp-thumb-rot-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    background: rgba(139, 92, 246, 0.9);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 3px;
    pointer-events: none;
    z-index: 3;
}

/* Canvas rotation via CSS transform */
.epp-thumb-canvas {
    width: 100%;
    display: block;
    aspect-ratio: 3/4;
    object-fit: contain;
    transition: transform 0.25s ease;
}

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

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

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

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

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

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

.epp-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--border-color, #E5E7EB);
    border-radius: 3px;
    overflow: hidden;
}

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

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

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

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

.epp-status--success {
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.25);
    color: #7C3AED;
}

.epp-status--error {
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.25);
    color: #B91C1C;
}

.epp-status--info {
    background: rgba(139, 92, 246, 0.06);
    border: 1px solid rgba(139, 92, 246, 0.15);
    color: #7C3AED;
}

/* Selected pages strip */
.epp-strip-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.epp-strip-wrap[hidden] {
    display: none;
}

.epp-strip-label {
    font-size: 0.78125rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.epp-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.epp-strip-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #7C3AED;
    cursor: pointer;
    transition: background 0.12s;
    user-select: none;
}

.epp-strip-chip:hover {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.25);
    color: #B91C1C;
}

.epp-strip-chip i {
    font-size: 0.7rem;
}

/* Action bar */
.epp-action-bar {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 18px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 12px;
    position: sticky;
    bottom: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

/* Output mode toggle */
.epp-mode-wrap {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.epp-mode-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary, #F9FAFB);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    padding: 3px;
}

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

.epp-mode-btn--active {
    background: #fff;
    color: #8B5CF6;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.epp-mode-btn:not(.epp-mode-btn--active):hover {
    color: var(--text-primary);
}

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

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

.epp-output-input {
    padding: 8px 12px;
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    background: var(--bg-input, #fff);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
}

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

.epp-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;
    white-space: nowrap;
}

.epp-btn-apply:hover {
    background: #7C3AED;
}

.epp-btn-apply:disabled {
    background: var(--text-tertiary, #9CA3AF);
    cursor: not-allowed;
}

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

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

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

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

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

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

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

/* ============================================================
   Page Preview Modal
   ============================================================ */
.epp-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
    animation: epp-fade-in 0.15s ease;
}

.epp-modal-backdrop[hidden] {
    display: none;
}

@keyframes epp-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.epp-modal-box {
    background: var(--bg-card, #fff);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    max-width: 680px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    animation: epp-slide-up 0.18s ease;
}

@keyframes epp-slide-up {
    from {
        transform: translateY(16px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.epp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color, #E5E7EB);
    flex-shrink: 0;
}

.epp-modal-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
}

.epp-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.15s;
}

.epp-modal-close:hover {
    background: var(--bg-secondary, #F9FAFB);
}

.epp-modal-body {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #F3F4F6;
}

.epp-modal-canvas {
    max-width: 100%;
    max-height: calc(90vh - 140px);
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    display: block;
}

.epp-modal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 18px;
    border-top: 1px solid var(--border-color, #E5E7EB);
    flex-shrink: 0;
}

.epp-modal-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: 8px;
    background: var(--bg-secondary, #F9FAFB);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.epp-modal-nav:hover {
    border-color: #8B5CF6;
    color: #8B5CF6;
}

.epp-modal-nav:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.epp-modal-select-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 8px;
    background: #8B5CF6;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.epp-modal-select-btn:hover {
    background: #7C3AED;
}

.epp-modal-select-btn.epp-modal-select-btn--selected {
    background: #DC2626;
}

.epp-modal-select-btn.epp-modal-select-btn--selected:hover {
    background: #B91C1C;
}