/* ==========================================================================
   PDF to Images Tool Styles
   ========================================================================== */

.pdf-to-images-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ---- Header ---- */
.pdf-to-images-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pdf-to-images-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.pdf-to-images-header p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 680px;
    margin: 0 auto;
}

/* ---- Dropzone ---- */
.pdf-to-images-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-elevated);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.pdf-to-images-dropzone:hover,
.pdf-to-images-dropzone.drag-over {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb, 59, 130, 246), 0.05);
    transform: translateY(-2px);
}

.pdf-to-images-dropzone-icon {
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform var(--transition-fast);
}

.pdf-to-images-dropzone:hover .pdf-to-images-dropzone-icon {
    transform: scale(1.08);
}

.pdf-to-images-dropzone-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.pdf-to-images-dropzone-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

/* ---- Active File & Settings Card ---- */
.pdf-active-file-card {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

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

.pdf-active-file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    max-width: 100%;
}

.pdf-active-file-icon {
    font-size: 2rem;
    color: #e53e3e;
    flex-shrink: 0;
}

.pdf-active-file-details {
    min-width: 0;
}

.pdf-active-file-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 450px;
    display: block;
}

.pdf-active-file-meta {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ---- Conversion Settings Controls ---- */
.pdf-conversion-settings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    align-items: flex-end;
}

.pdf-setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pdf-setting-group label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pdf-format-btn-group .btn {
    font-weight: 600;
    font-size: 0.875rem;
}

/* ---- Conversion Progress Bar ---- */
.pdf-conversion-progress-card {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.pdf-progress-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--color-text);
}

.pdf-progress-bar-container {
    height: 10px;
    background: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
}

.pdf-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #10b981);
    border-radius: 999px;
    transition: width 0.25s ease;
    width: 0%;
}

/* ---- Gallery Grid ---- */
.pdf-images-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.pdf-page-image-card {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    position: relative;
}

.pdf-page-image-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.pdf-card-preview-wrapper {
    position: relative;
    padding: 1rem;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    border-bottom: 1px solid var(--color-border);
    cursor: zoom-in;
}

[data-theme="dark"] .pdf-card-preview-wrapper {
    background: #151921;
}

.pdf-card-preview-img {
    max-width: 100%;
    max-height: 220px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transition: transform 0.2s ease;
}

.pdf-card-preview-wrapper:hover .pdf-card-preview-img {
    transform: scale(1.03);
}

.pdf-card-page-badge {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.55rem;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(4px);
    z-index: 2;
}

.pdf-card-details {
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1 1 auto;
    justify-content: space-between;
}

.pdf-card-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.pdf-card-dimension {
    font-weight: 500;
}

.pdf-card-size {
    font-weight: 600;
    color: var(--color-primary);
}

.pdf-card-btn-download {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 0.75rem;
}

/* ---- Bottom Batch Action Bar ---- */
.pdf-batch-action-card {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.pdf-batch-summary {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pdf-batch-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
}

.pdf-batch-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.pdf-batch-btn-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ---- Lightbox Modal for Preview ---- */
.pdf-lightbox-modal .modal-dialog {
    max-width: 90vw;
}

.pdf-lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    margin: 0 auto;
    display: block;
    border-radius: var(--radius-sm);
}

/* ---- Responsive Tweaks ---- */
@media (max-width: 768px) {
    .pdf-to-images-header h1 {
        font-size: 1.6rem;
    }

    .pdf-to-images-dropzone {
        padding: 2rem 1rem;
    }

    .pdf-active-file-name {
        max-width: 250px;
    }

    .pdf-conversion-settings {
        grid-template-columns: 1fr;
    }

    .pdf-images-gallery {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.85rem;
    }

    .pdf-batch-action-card {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .pdf-batch-btn-group {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .pdf-active-file-name {
        max-width: 180px;
    }

    .pdf-images-gallery {
        grid-template-columns: 1fr;
    }
}