/* ==========================================================================
   PDFToolKit - Tool Pages Stylesheet
   Styles for individual tool pages (merge, split, compress, etc.)
   Version: 1.0.0
   ========================================================================== */

/* ==========================================================================
   1. Tool Hero Banner (.tool-hero)
   ========================================================================== */

.tool-hero {
    padding: 50px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0) 100%);
    pointer-events: none;
}

.tool-hero__title {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
}

.tool-hero__desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    line-height: 1.5;
}

/* Tool hero color variants */
.tool-hero--red { background: #E5322D; }
.tool-hero--orange { background: #F97316; }
.tool-hero--yellow { background: #EAB308; }
.tool-hero--green { background: #22C55E; }
.tool-hero--teal { background: #14B8A6; }
.tool-hero--blue { background: #3B82F6; }
.tool-hero--indigo { background: #6366F1; }
.tool-hero--purple { background: #A855F7; }
.tool-hero--pink { background: #EC4899; }
.tool-hero--gray { background: #6B7280; }

/* Gradient overlays for depth */
.tool-hero--red { background: linear-gradient(135deg, #E5322D 0%, #C7271F 100%); }
.tool-hero--orange { background: linear-gradient(135deg, #F97316 0%, #EA580C 100%); }
.tool-hero--yellow { background: linear-gradient(135deg, #EAB308 0%, #CA8A04 100%); }
.tool-hero--green { background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%); }
.tool-hero--teal { background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%); }
.tool-hero--blue { background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%); }
.tool-hero--indigo { background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%); }
.tool-hero--purple { background: linear-gradient(135deg, #A855F7 0%, #9333EA 100%); }
.tool-hero--pink { background: linear-gradient(135deg, #EC4899 0%, #DB2777 100%); }
.tool-hero--gray { background: linear-gradient(135deg, #6B7280 0%, #4B5563 100%); }

/* ==========================================================================
   2. Tool Upload Wrapper
   ========================================================================== */

.tool-upload-wrapper {
    margin-top: -40px;
    position: relative;
    z-index: 10;
    padding: 0 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   3. Upload Zone (.upload-zone)
   ========================================================================== */

.upload-zone {
    border: 2px dashed #D1D5DB;
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    background: #FFFFFF;
    transition: all 0.3s ease;
    cursor: pointer;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
}

.upload-zone:hover {
    border-color: #9CA3AF;
    background: #FAFAFA;
}

.upload-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
    border-style: solid;
    transform: scale(1.02);
}

.upload-zone.dragover .upload-zone__icon {
    transform: scale(1.1);
}

/* Tool color specific dragover states */
.upload-zone.dragover--red { border-color: #E5322D; background: #FDECEC; }
.upload-zone.dragover--orange { border-color: #F97316; background: #FFF7ED; }
.upload-zone.dragover--green { border-color: #22C55E; background: #F0FDF4; }
.upload-zone.dragover--blue { border-color: #3B82F6; background: #EFF6FF; }
.upload-zone.dragover--purple { border-color: #A855F7; background: #FAF5FF; }

.upload-zone__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.upload-zone__icon svg {
    width: 48px;
    height: 48px;
    fill: #D1D5DB;
    transition: fill 0.3s ease;
}

.upload-zone:hover .upload-zone__icon svg {
    fill: #9CA3AF;
}

.upload-zone.dragover .upload-zone__icon svg {
    fill: var(--primary);
}

.upload-zone__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-zone__subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.upload-zone__button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(229, 50, 45, 0.3);
}

.upload-zone__button:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 16px rgba(229, 50, 45, 0.4);
    transform: translateY(-1px);
}

.upload-zone__formats {
    display: block;
    margin-top: 16px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.upload-zone__input {
    display: none;
}

/* Upload zone alternative sources */
.upload-zone__sources {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.upload-zone__source-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-zone__source-btn:hover {
    background: var(--border-light);
    color: var(--text-primary);
}

.upload-zone__source-btn svg {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   4. File List (.file-list)
   ========================================================================== */

.file-list {
    max-width: 600px;
    margin: 24px auto 0;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    margin-bottom: 10px;
    transition: all 0.2s ease;
    position: relative;
}

.file-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.file-item.dragging {
    opacity: 0.5;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.file-item.drag-over {
    border-top: 2px solid var(--primary);
}

.file-item__drag-handle {
    width: 20px;
    height: 20px;
    cursor: grab;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-item__drag-handle:active {
    cursor: grabbing;
}

.file-item__drag-handle svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.file-item__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: #FEE2E2;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-item__icon svg {
    width: 20px;
    height: 20px;
    fill: #E5322D;
}

.file-item__info {
    flex: 1;
    min-width: 0;
}

.file-item__name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item__size {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 2px;
}

.file-item__remove {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all 0.2s ease;
    flex-shrink: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.file-item__remove:hover {
    background: #FEE2E2;
    color: #E5322D;
}

.file-item__remove svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Add more files button */
.file-list__add-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    background: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 10px;
}

.file-list__add-more:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.file-list__add-more svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ==========================================================================
   4b. File List Header (.tool-files-header)
   ========================================================================== */

.tool-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 600px;
    margin: 0 auto 8px;
    padding: 0 4px;
}

.tool-files-header__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-files-header__count {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
}

.tool-files-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-files-header__add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    font-weight: 500;
    background: none;
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tool-files-header__add-btn:hover {
    opacity: 0.85;
}

.tool-files-header__clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #DC2626;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tool-files-header__clear-btn:hover {
    background: #FEE2E2;
    border-color: #FCA5A5;
    color: #B91C1C;
}

/* ==========================================================================
   5. Action Button (.action-btn)
   ========================================================================== */

.action-btn {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 24px auto;
    padding: 16px 32px;
    background: #E5322D;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(229, 50, 45, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.action-btn:hover {
    background: #C7271F;
    box-shadow: 0 6px 20px rgba(229, 50, 45, 0.45);
    transform: translateY(-2px);
}

.action-btn:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(229, 50, 45, 0.3);
}

.action-btn:disabled,
.action-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

.action-btn--processing {
    pointer-events: none;
    position: relative;
}

.action-btn--processing::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Tool color action button variants */
.action-btn--orange { background: #F97316; box-shadow: 0 4px 15px rgba(249, 115, 22, 0.35); }
.action-btn--orange:hover { background: #EA580C; box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45); }

.action-btn--green { background: #22C55E; box-shadow: 0 4px 15px rgba(34, 197, 94, 0.35); }
.action-btn--green:hover { background: #16A34A; box-shadow: 0 6px 20px rgba(34, 197, 94, 0.45); }

.action-btn--blue { background: #3B82F6; box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35); }
.action-btn--blue:hover { background: #2563EB; box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45); }

.action-btn--purple { background: #A855F7; box-shadow: 0 4px 15px rgba(168, 85, 247, 0.35); }
.action-btn--purple:hover { background: #9333EA; box-shadow: 0 6px 20px rgba(168, 85, 247, 0.45); }

.action-btn--indigo { background: #6366F1; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35); }
.action-btn--indigo:hover { background: #4F46E5; box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45); }

.action-btn--pink { background: #EC4899; box-shadow: 0 4px 15px rgba(236, 72, 153, 0.35); }
.action-btn--pink:hover { background: #DB2777; box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45); }

.action-btn--teal { background: #14B8A6; box-shadow: 0 4px 15px rgba(20, 184, 166, 0.35); }
.action-btn--teal:hover { background: #0D9488; box-shadow: 0 6px 20px rgba(20, 184, 166, 0.45); }

.action-btn--gray { background: #6B7280; box-shadow: 0 4px 15px rgba(107, 114, 128, 0.35); }
.action-btn--gray:hover { background: #4B5563; box-shadow: 0 6px 20px rgba(107, 114, 128, 0.45); }

/* ==========================================================================
   6. Download Button (.download-btn)
   ========================================================================== */

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 400px;
    margin: 24px auto;
    padding: 16px 32px;
    background: #27AE60;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.download-btn:hover {
    background: #219A52;
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.45);
    transform: translateY(-2px);
    color: white;
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(39, 174, 96, 0.3);
}

.download-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* ==========================================================================
   7. Progress Bar (.progress-bar)
   ========================================================================== */

.progress-wrapper {
    max-width: 500px;
    margin: 30px auto;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar__fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    width: 0%;
    transition: width 0.4s ease;
    position: relative;
}

.progress-bar__fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Progress color variants */
.progress-bar__fill--red { background: #E5322D; }
.progress-bar__fill--orange { background: #F97316; }
.progress-bar__fill--green { background: #22C55E; }
.progress-bar__fill--blue { background: #3B82F6; }
.progress-bar__fill--purple { background: #A855F7; }
.progress-bar__fill--indigo { background: #6366F1; }
.progress-bar__fill--pink { background: #EC4899; }
.progress-bar__fill--teal { background: #14B8A6; }

.progress-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.progress-text__percent {
    font-weight: 700;
    color: var(--text-primary);
}

.progress-status {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* ==========================================================================
   8. Download Area (.download-area)
   ========================================================================== */

.download-area {
    text-align: center;
    padding: 40px 20px;
    max-width: 500px;
    margin: 0 auto;
}

.download-area__icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ECFDF5;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.download-area__icon svg {
    width: 40px;
    height: 40px;
    fill: #22C55E;
}

.download-area__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.download-area__desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.download-area__file-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.download-area__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.download-area__restart {
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
    background: none;
    border: none;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.download-area__restart:hover {
    color: var(--primary);
}

.download-area__share {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.download-area__share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.download-area__share-btn:hover {
    background: var(--border-light);
    transform: translateY(-2px);
}

.download-area__share-btn svg {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
}

/* Auto-delete timer */
.download-area__timer {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.download-area__timer svg {
    width: 14px;
    height: 14px;
    fill: var(--text-light);
}

/* ==========================================================================
   9. Tool Options Panel (.tool-options)
   ========================================================================== */

.tool-options {
    max-width: 600px;
    margin: 24px auto;
    padding: 24px;
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.tool-options__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.tool-options__group {
    margin-bottom: 20px;
}

.tool-options__group:last-child {
    margin-bottom: 0;
}

.tool-options__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tool-options__help {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* Input styles */
.tool-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    background: var(--bg-main);
}

.tool-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 50, 45, 0.1);
}

.tool-input::placeholder {
    color: var(--text-light);
}

/* Select dropdown */
.tool-select {
    width: 100%;
    padding: 10px 40px 10px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    background: var(--bg-main);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

.tool-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 50, 45, 0.1);
}

/* Checkbox */
.tool-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 4px 0;
}

.tool-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    position: relative;
}

.tool-checkbox input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.tool-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.tool-checkbox input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.tool-checkbox__label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Radio button */
.tool-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 4px 0;
}

.tool-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    position: relative;
}

.tool-radio input[type="radio"]:checked {
    border-color: var(--primary);
}

.tool-radio input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

.tool-radio input[type="radio"]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.tool-radio__label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Radio group (inline) */
.tool-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* Range slider */
.tool-range {
    width: 100%;
    margin: 8px 0;
}

.tool-range__slider {
    width: 100%;
    height: 6px;
    appearance: none;
    background: var(--border-light);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.tool-range__slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(229, 50, 45, 0.3);
    transition: box-shadow 0.2s ease;
}

.tool-range__slider::-webkit-slider-thumb:hover {
    box-shadow: 0 3px 10px rgba(229, 50, 45, 0.4);
}

.tool-range__slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(229, 50, 45, 0.3);
}

.tool-range__labels {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.tool-range__value {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4px;
}

/* ==========================================================================
   10. Page Thumbnails Grid (.page-thumbnails)
   ========================================================================== */

.page-thumbnails {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 700px;
    margin: 24px auto;
    padding: 0 20px;
}

.page-thumbnail {
    position: relative;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    cursor: grab;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.page-thumbnail:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.page-thumbnail.selected {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(229, 50, 45, 0.2);
}

.page-thumbnail.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.page-thumbnail__preview {
    width: 100%;
    aspect-ratio: 210 / 297;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-thumbnail__preview img,
.page-thumbnail__preview canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.page-thumbnail__number {
    text-align: center;
    padding: 8px 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: #FFFFFF;
}

/* Overlay actions */
.page-thumbnail__actions {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.page-thumbnail:hover .page-thumbnail__actions {
    opacity: 1;
}

.page-thumbnail__action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.page-thumbnail__action-btn:hover {
    background: white;
    transform: scale(1.1);
}

.page-thumbnail__action-btn svg {
    width: 16px;
    height: 16px;
    fill: var(--text-primary);
}

.page-thumbnail__action-btn--delete:hover svg {
    fill: #E5322D;
}

.page-thumbnail__action-btn--rotate:hover svg {
    fill: #3B82F6;
}

/* Drag handle */
.page-thumbnail__drag-handle {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: grab;
}

.page-thumbnail:hover .page-thumbnail__drag-handle {
    opacity: 1;
}

.page-thumbnail__drag-handle svg {
    width: 14px;
    height: 14px;
    fill: var(--text-secondary);
}

/* Selection checkbox */
.page-thumbnail__select {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0;
}

.page-thumbnail:hover .page-thumbnail__select,
.page-thumbnail.selected .page-thumbnail__select {
    opacity: 1;
}

.page-thumbnail.selected .page-thumbnail__select {
    background: var(--primary);
    border-color: var(--primary);
}

.page-thumbnail.selected .page-thumbnail__select::after {
    content: '';
    width: 8px;
    height: 5px;
    border: solid white;
    border-width: 0 0 2px 2px;
    transform: rotate(-45deg);
    margin-top: -2px;
}

/* ==========================================================================
   11. Privacy Badge (.privacy-badge)
   ========================================================================== */

.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #F0FDF4;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: #166534;
    margin: 16px auto 0;
}

.privacy-badge svg {
    width: 16px;
    height: 16px;
    fill: #22C55E;
    flex-shrink: 0;
}

/* ==========================================================================
   12. How-To Steps (.how-to-section)
   ========================================================================== */

.how-to-section {
    padding: 60px 20px;
    background: var(--bg-secondary);
}

.how-to-section__title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.how-to-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.how-to-step {
    text-align: center;
    position: relative;
}

.how-to-step__number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

/* Step number color variants */
.how-to-step__number--orange { background: #F97316; }
.how-to-step__number--green { background: #22C55E; }
.how-to-step__number--blue { background: #3B82F6; }
.how-to-step__number--purple { background: #A855F7; }
.how-to-step__number--indigo { background: #6366F1; }
.how-to-step__number--pink { background: #EC4899; }
.how-to-step__number--teal { background: #14B8A6; }

.how-to-step__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.how-to-step__desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 250px;
    margin: 0 auto;
}

/* Connector lines between steps (desktop) */
.how-to-step__connector {
    display: none;
}

/* ==========================================================================
   13. About Tool Section (.about-tool)
   ========================================================================== */

.about-tool {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.about-tool__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.about-tool p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-tool h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.about-tool ul {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
    list-style: disc;
}

.about-tool li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   14. Related Tools (.related-tools)
   ========================================================================== */

.related-tools {
    padding: 50px 20px;
    background: var(--bg-secondary);
}

.related-tools__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 30px;
}

.related-tools__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.related-tools__scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    scrollbar-width: none;
}

.related-tools__scroll::-webkit-scrollbar {
    display: none;
}

.related-tools__scroll .tool-card {
    min-width: 180px;
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* ==========================================================================
   15. Signature Pad Styles
   ========================================================================== */

.signature-pad-wrapper {
    max-width: 600px;
    margin: 24px auto;
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.signature-pad-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.signature-pad-toolbar__group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.signature-pad-toolbar__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.signature-pad-color {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.signature-pad-color.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--text-primary);
}

.signature-pad-color--black { background: #1F2937; }
.signature-pad-color--blue { background: #2563EB; }
.signature-pad-color--red { background: #DC2626; }

.signature-pad-canvas {
    display: block;
    width: 100%;
    height: 250px;
    cursor: crosshair;
    background: white;
    touch-action: none;
}

.signature-pad-actions {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--border-light);
}

.signature-pad-clear {
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
    background: none;
    border: none;
}

.signature-pad-clear:hover {
    color: var(--primary);
}

/* ==========================================================================
   16. OCR Language Selector
   ========================================================================== */

.ocr-language-selector {
    max-width: 600px;
    margin: 20px auto;
}

.ocr-language-selector__search {
    width: 100%;
    padding: 10px 14px 10px 36px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    margin-bottom: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239CA3AF' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85zm-5.242.156a5 5 0 1 1 0-10 5 5 0 0 1 0 10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
}

.ocr-language-selector__search:focus {
    outline: none;
    border-color: var(--primary);
}

.ocr-language-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
    padding: 4px;
}

.ocr-language-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: 0.8125rem;
}

.ocr-language-item:hover {
    background: var(--bg-secondary);
}

.ocr-language-item.selected {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

/* ==========================================================================
   17. Watermark Preview
   ========================================================================== */

.watermark-preview {
    position: relative;
    max-width: 400px;
    margin: 20px auto;
    aspect-ratio: 210 / 297;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.watermark-preview__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.watermark-preview__text {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(229, 50, 45, 0.3);
    transform: rotate(-30deg);
    white-space: nowrap;
    user-select: none;
}

.watermark-preview__image {
    max-width: 40%;
    max-height: 40%;
    opacity: 0.3;
}

/* ==========================================================================
   18. PDF Editor Canvas & Toolbar
   ========================================================================== */

.pdf-editor {
    max-width: 900px;
    margin: 0 auto;
}

.pdf-editor__toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.pdf-editor__toolbar::-webkit-scrollbar {
    display: none;
}

.pdf-editor__tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: all 0.2s ease;
    background: none;
    border: none;
    cursor: pointer;
}

.pdf-editor__tool-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.pdf-editor__tool-btn.active {
    background: var(--primary-light);
    color: var(--primary);
}

.pdf-editor__tool-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.pdf-editor__separator {
    width: 1px;
    height: 24px;
    background: var(--border-light);
    flex-shrink: 0;
}

.pdf-editor__canvas-wrapper {
    background: #E5E7EB;
    border: 1px solid var(--border-light);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: 20px;
    min-height: 500px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: auto;
}

.pdf-editor__canvas {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    cursor: crosshair;
}

/* ==========================================================================
   19. Page Number Position Selector
   ========================================================================== */

.page-number-position {
    max-width: 300px;
    margin: 20px auto;
}

.page-number-position__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-align: center;
}

.page-number-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    background: var(--border-light);
    border-radius: var(--radius-md);
    padding: 4px;
    aspect-ratio: 210 / 297;
    max-width: 180px;
    margin: 0 auto;
}

.page-number-grid__cell {
    background: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    color: var(--text-light);
    border-radius: 2px;
}

.page-number-grid__cell:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.page-number-grid__cell.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

/* ==========================================================================
   20. Password Input with Toggle
   ========================================================================== */

.password-field {
    position: relative;
    max-width: 400px;
    margin: 20px auto;
}

.password-field__input {
    width: 100%;
    padding: 12px 48px 12px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.password-field__input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 50, 45, 0.1);
}

.password-field__toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.2s ease;
    background: none;
    border: none;
}

.password-field__toggle:hover {
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.password-field__toggle svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.password-field__strength {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.password-field__strength-bar {
    flex: 1;
    height: 3px;
    background: var(--border-light);
    border-radius: 2px;
    transition: background 0.3s ease;
}

.password-field__strength-bar.weak { background: #EF4444; }
.password-field__strength-bar.medium { background: #F59E0B; }
.password-field__strength-bar.strong { background: #22C55E; }

.password-field__strength-text {
    font-size: 0.75rem;
    margin-top: 4px;
    text-align: right;
}

.password-field__strength-text.weak { color: #EF4444; }
.password-field__strength-text.medium { color: #F59E0B; }
.password-field__strength-text.strong { color: #22C55E; }

/* ==========================================================================
   21. Quality / Compression Slider
   ========================================================================== */

.quality-slider {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.quality-slider__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.quality-slider__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quality-slider__value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
}

.quality-slider__track {
    position: relative;
    height: 40px;
    display: flex;
    align-items: center;
}

.quality-slider__input {
    width: 100%;
    height: 8px;
    appearance: none;
    background: linear-gradient(to right, #22C55E, #EAB308, #E5322D);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.quality-slider__input::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.2s ease;
}

.quality-slider__input::-webkit-slider-thumb:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.quality-slider__input::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.quality-slider__presets {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
}

.quality-slider__preset {
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
    background: white;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.quality-slider__preset:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.quality-slider__preset.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ==========================================================================
   22. Tool Page Layout Helpers
   ========================================================================== */

.tool-page {
    min-height: calc(100vh - 64px);
}

.tool-content {
    padding: 0 0 60px;
}

.tool-section {
    padding: 40px 20px;
}

.tool-section--alt {
    background: var(--bg-secondary);
}

/* Tool wrapper for centering content */
.tool-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

/* Tool state visibility */
.tool-state {
    display: none;
}

.tool-state.active {
    display: block;
}

.tool-state--upload {}
.tool-state--options {}
.tool-state--processing {}
.tool-state--complete {}

/* ==========================================================================
   23. Split Tool Page Range Inputs
   ========================================================================== */

.split-range-inputs {
    max-width: 500px;
    margin: 20px auto;
}

.split-range-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.split-range-row__label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 50px;
}

.split-range-row__input {
    width: 80px;
    padding: 8px 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-align: center;
}

.split-range-row__input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(229, 50, 45, 0.1);
}

.split-range-row__separator {
    font-size: 0.875rem;
    color: var(--text-light);
}

.split-range-add {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
    background: none;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.split-range-add:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ==========================================================================
   24. Merge Reorder Interface
   ========================================================================== */

.merge-file-list {
    max-width: 600px;
    margin: 24px auto;
    counter-reset: file-counter;
}

.merge-file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    margin-bottom: 10px;
    counter-increment: file-counter;
    transition: all 0.3s ease;
}

.merge-file-item::before {
    content: counter(file-counter);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ==========================================================================
   25. Responsive Adjustments for Tool Pages
   ========================================================================== */

/* Tablet (640px+) */
@media (min-width: 640px) {
    .tool-hero {
        padding: 60px 20px 90px;
    }

    .tool-hero__title {
        font-size: 2.25rem;
    }

    .upload-zone {
        padding: 70px 50px;
    }

    .page-thumbnails {
        grid-template-columns: repeat(3, 1fr);
    }

    .how-to-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-tools__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ocr-language-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .tool-hero {
        padding: 70px 20px 100px;
    }

    .tool-hero__title {
        font-size: 2.5rem;
    }

    .tool-hero__desc {
        font-size: 1.1875rem;
    }

    .tool-upload-wrapper {
        margin-top: -50px;
    }

    .page-thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .how-to-steps {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    /* Show connector lines between steps */
    .how-to-step {
        position: relative;
    }

    .how-to-step__connector {
        display: block;
        position: absolute;
        top: 24px;
        left: calc(50% + 30px);
        right: calc(-50% + 30px);
        height: 2px;
        background: var(--border-light);
    }

    .how-to-step:last-child .how-to-step__connector {
        display: none;
    }

    .related-tools__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .signature-pad-canvas {
        height: 300px;
    }

    .pdf-editor__canvas-wrapper {
        min-height: 650px;
    }
}

/* Large (1280px+) */
@media (min-width: 1280px) {
    .page-thumbnails {
        grid-template-columns: repeat(5, 1fr);
    }

    .related-tools__grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Small mobile adjustments */
@media (max-width: 480px) {
    .tool-hero {
        padding: 40px 16px 70px;
    }

    .tool-hero__title {
        font-size: 1.5rem;
    }

    .tool-hero__desc {
        font-size: 0.9375rem;
    }

    .upload-zone {
        padding: 40px 20px;
        border-radius: 16px;
    }

    .upload-zone__title {
        font-size: 1rem;
    }

    .upload-zone__button {
        padding: 10px 24px;
        font-size: 0.9375rem;
    }

    .upload-zone__sources {
        flex-direction: column;
        gap: 8px;
    }

    .file-item {
        padding: 10px 12px;
    }

    .file-item__icon {
        width: 30px;
        height: 30px;
    }

    .file-item__name {
        font-size: 0.8125rem;
    }

    .action-btn {
        font-size: 1rem;
        padding: 14px 24px;
    }

    .download-btn {
        font-size: 1rem;
        padding: 14px 24px;
    }

    .tool-options {
        padding: 16px;
    }

    .page-thumbnails {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 16px;
    }

    .how-to-steps {
        gap: 24px;
    }

    .signature-pad-toolbar {
        padding: 8px 12px;
        gap: 8px;
    }

    .quality-slider {
        padding: 16px;
    }

    .quality-slider__presets {
        flex-wrap: wrap;
        gap: 8px;
    }

    .pdf-editor__toolbar {
        padding: 8px 12px;
    }

    .pdf-editor__canvas-wrapper {
        min-height: 350px;
        padding: 12px;
    }

    .split-range-row {
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   26. Print Styles for Tool Pages
   ========================================================================== */

@media print {
    .tool-hero,
    .upload-zone,
    .file-list,
    .action-btn,
    .download-btn,
    .download-area,
    .progress-wrapper,
    .tool-options,
    .page-thumbnails,
    .privacy-badge,
    .related-tools,
    .how-to-section {
        display: none !important;
    }

    .about-tool {
        padding: 20px 0;
    }
}

/* ==========================================================================
   27. Reduced Motion for Tool Pages
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .upload-zone,
    .upload-zone.dragover,
    .file-item,
    .page-thumbnail,
    .tool-card,
    .action-btn,
    .download-btn {
        transition: none;
    }

    .action-btn:hover,
    .download-btn:hover {
        transform: none;
    }

    .progress-bar__fill::after {
        animation: none;
    }

    .action-btn--processing::after {
        animation: none;
    }

    .download-area__icon {
        animation: none;
    }
}

/* ==========================================================================
   End of tools.css
   ========================================================================== */