/* ═══════════════════════════════════════════════════════════════════
   TOOL CONTROLS — form elements inside tool workspace
═══════════════════════════════════════════════════════════════════ */
.tool-controls {
    padding: 16px 0 0;
}

.ctrl-group {
    margin-bottom: 16px;
}

.ctrl-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.ctrl-row .ctrl-group {
    flex: 1;
    min-width: 120px;
}

.ctrl-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.ctrl-input,
.ctrl-select,
.ctrl-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
    font-size: 0.93rem;
    color: #1e293b;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    font-family: inherit;
}

.ctrl-input:focus,
.ctrl-select:focus,
.ctrl-textarea:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px #7c3aed22;
    background: #fff;
}

.ctrl-textarea {
    resize: vertical;
    min-height: 80px;
}

.ctrl-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    cursor: pointer;
    margin: 10px 0 4px;
}

.ctrl-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #7c3aed;
    cursor: pointer;
    box-shadow: 0 2px 6px #7c3aed44;
}

.ctrl-color {
    width: 44px;
    height: 36px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    padding: 2px;
    background: none;
}

.ctrl-radio-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ctrl-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.88rem;
    color: #334155;
    transition: border-color 0.2s, background 0.2s;
    flex: 1;
    min-width: 100px;
}

.ctrl-radio:has(input:checked) {
    border-color: #7c3aed;
    background: #7c3aed11;
    color: #7c3aed;
}

.ctrl-radio>span {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.ctrl-radio>span small {
    font-size: 0.75rem;
    color: #94a3b8;
}

.ctrl-hint {
    display: block;
    font-size: 0.78rem;
    color: #94a3b8;
    margin-top: 5px;
}

/* File item / queue */
.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 8px;
    background: #f8fafc;
    cursor: default;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.file-item:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px #0001;
}

.file-item.dragging {
    opacity: 0.5;
    border-style: dashed;
    border-color: #7c3aed;
}

.file-item__drag {
    color: #94a3b8;
    font-size: 1.1rem;
    cursor: grab;
    user-select: none;
}

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

.file-item__name {
    display: block;
    font-weight: 600;
    color: #1e293b;
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item__size {
    font-size: 0.76rem;
    color: #94a3b8;
}

.file-item__remove {
    background: none;
    border: none;
    color: #ef4444;
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 6px;
    line-height: 1;
    transition: background 0.2s;
}

.file-item__remove:hover {
    background: #fee2e2;
}

/* Tool error */
.tool-error-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1.5px solid #fca5a5;
    border-radius: 10px;
    color: #dc2626;
    font-size: 0.88rem;
    margin-top: 12px;
    animation: fadein 0.3s ease;
}

/* Coming soon */
.coming-soon-block {
    text-align: center;
    padding: 48px 24px;
}

.coming-soon-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.coming-soon-block h2 {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 8px;
}

.coming-soon-block p {
    color: #64748b;
    margin-bottom: 24px;
}

/* ═══════════════════════════════════════════════════════════════════
   PDF VIEWER
═══════════════════════════════════════════════════════════════════ */
.pdf-viewer-wrap {
    border-radius: 14px;
    overflow: hidden;
    border: 1.5px solid #e2e8f0;
}

.viewer-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #f8fafc;
    border-bottom: 1.5px solid #e2e8f0;
    flex-wrap: wrap;
}

.viewer-spacer {
    flex: 1;
}

.viewer-page-info {
    font-size: 0.88rem;
    color: #475569;
    white-space: nowrap;
}

.viewer-zoom-label {
    font-size: 0.82rem;
    color: #475569;
    min-width: 40px;
    text-align: center;
}

.viewer-canvas-wrap {
    background: #64748b;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow: auto;
    max-height: 72vh;
    padding: 20px;
    scrollbar-width: thin;
}

.viewer-canvas {
    max-width: 100%;
    border-radius: 4px;
    box-shadow: 0 8px 32px #0004;
}

/* ═══════════════════════════════════════════════════════════════════
   PDF SIGNER
═══════════════════════════════════════════════════════════════════ */
.signer-panel {
    margin-top: 20px;
}

.signer-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .signer-layout {
        grid-template-columns: 1fr;
    }
}

.signer-preview h3,
.signer-pad-wrap h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 12px;
}

.signer-canvas-wrap {
    position: relative;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
    min-height: 300px;
}

.signer-pdf-canvas {
    display: block;
    width: 100%;
}

.sig-overlay {
    position: absolute;
    cursor: move;
    border: 2px dashed #7c3aed88;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    user-select: none;
}

.sig-overlay-label {
    position: absolute;
    bottom: -20px;
    font-size: 0.7rem;
    color: #7c3aed;
    white-space: nowrap;
}

.signer-page-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

#sp-page-info {
    font-size: 0.85rem;
    color: #475569;
}

.sig-pad-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
}

.sig-tab {
    padding: 7px 16px;
    border-radius: 8px;
    border: 1.5px solid #e2e8f0;
    background: none;
    cursor: pointer;
    font-size: 0.85rem;
    color: #475569;
    transition: all 0.2s;
}

.sig-tab.active {
    background: #7c3aed;
    color: #fff;
    border-color: #7c3aed;
}

.sig-draw-canvas {
    display: block;
    width: 100%;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    background: #fff;
    cursor: crosshair;
    touch-action: none;
}

.sig-draw-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

/* ═══════════════════════════════════════════════════════════════════
   PDF SCANNER
═══════════════════════════════════════════════════════════════════ */
.scanner-panel {
    margin-top: 16px;
}

.scanner-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .scanner-layout {
        grid-template-columns: 1fr;
    }
}

.scanner-camera-wrap {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.scanner-video {
    width: 100%;
    display: block;
    border-radius: 14px;
}

.scanner-overlay-frame {
    position: absolute;
    top: 10%;
    left: 8%;
    right: 8%;
    bottom: 18%;
    pointer-events: none;
}

.scan-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border-color: rgba(124, 58, 237, 0.9);
    border-style: solid;
    border-width: 0;
}

.scan-corner.tl {
    top: 0;
    left: 0;
    border-top-width: 3px;
    border-left-width: 3px;
    border-radius: 4px 0 0 0;
}

.scan-corner.tr {
    top: 0;
    right: 0;
    border-top-width: 3px;
    border-right-width: 3px;
    border-radius: 0 4px 0 0;
}

.scan-corner.bl {
    bottom: 0;
    left: 0;
    border-bottom-width: 3px;
    border-left-width: 3px;
    border-radius: 0 0 0 4px;
}

.scan-corner.br {
    bottom: 0;
    right: 0;
    border-bottom-width: 3px;
    border-right-width: 3px;
    border-radius: 0 0 4px 0;
}

.scanner-camera-actions {
    position: absolute;
    bottom: 16px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.scan-captures-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    overflow-y: auto;
    max-height: 260px;
    padding: 4px;
    margin-bottom: 12px;
}

.scan-capture-item {
    position: relative;
    width: 90px;
}

.scan-thumb {
    width: 90px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 1.5px solid #e2e8f0;
    display: block;
}

.scan-cap-label {
    display: block;
    text-align: center;
    font-size: 0.72rem;
    color: #64748b;
    margin-top: 3px;
}

.scan-remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #ef4444;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
    cursor: pointer;
    line-height: 18px;
    padding: 0;
    text-align: center;
}

.scanner-nocam {
    background: #f8fafc;
    border-radius: 14px;
    padding: 24px;
    color: #64748b;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   PDF ORGANIZER
═══════════════════════════════════════════════════════════════════ */
.organize-panel {
    margin-top: 16px;
}

.organize-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.organize-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.organize-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.organize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 14px;
    padding: 4px;
}

.org-card {
    position: relative;
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    padding: 8px;
    text-align: center;
    cursor: grab;
    transition: box-shadow 0.2s, border-color 0.2s;
    user-select: none;
}

.org-card:hover {
    border-color: #7c3aed88;
    box-shadow: 0 4px 16px #7c3aed11;
}

.org-card.org-dragging {
    opacity: 0.45;
    border-style: dashed;
    border-color: #7c3aed;
}

.org-thumb {
    display: block;
    width: 100%;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    background: #e2e8f0;
    min-height: 80px;
    object-fit: contain;
}

.org-label {
    display: block;
    font-size: 0.72rem;
    color: #64748b;
    margin-top: 6px;
    font-weight: 600;
}

.org-del-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #ef4444;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.65rem;
    cursor: pointer;
    line-height: 20px;
    padding: 0;
    text-align: center;
    opacity: 0;
    transition: opacity 0.15s;
}

.org-card:hover .org-del-btn {
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   PDF REDACTOR
═══════════════════════════════════════════════════════════════════ */
.redact-panel {
    margin-top: 16px;
}

.redact-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 16px;
    background: #fef2f2;
    border: 1.5px solid #fca5a5;
    border-radius: 12px;
    margin-bottom: 14px;
}

.redact-hint {
    font-size: 0.85rem;
    color: #dc2626;
    font-weight: 600;
}

.redact-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: #475569;
}

.redact-btns {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.redact-canvas-wrap {
    position: relative;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    background: #64748b;
    display: inline-block;
    width: 100%;
}

.redact-pdf-canvas,
.redact-draw-canvas {
    display: block;
    width: 100%;
}

.redact-draw-canvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: crosshair;
}

.redact-counter {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 8px;
}

/* ═══════════════════════════════════════════════════════════════════
   LIVE PREVIEW PANEL
═══════════════════════════════════════════════════════════════════ */
.preview-panel {
    margin: 20px 0 0;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    background: #f8fafc;
}

.preview-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
    gap: 12px;
}

.preview-panel__title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #475569;
}

.preview-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: #64748b;
}

.preview-wrap {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
    background: #64748b;
    min-height: 80px;
}

.preview-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.preview-overlay {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    border-radius: 4px;
}

/* ── Interactive page-selection grid ─────────────────────────────── */
.pg-thumb-grid {
    padding: 14px 16px;
    border-top: 1px solid #e2e8f0;
    background: #fff;
}

.pg-grid-hint {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0 0 12px;
    font-weight: 500;
}

.pg-thumb-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pg-thumb-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    background: #f8fafc;
    transition: border-color 0.18s, background 0.18s, transform 0.12s;
    user-select: none;
    min-width: 60px;
}

.pg-thumb-card:hover {
    border-color: #6366f1;
    background: #eef2ff;
    transform: translateY(-2px);
}

.pg-thumb-card:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

.pg-thumb-card.pg-selected {
    border-color: #6366f1;
    background: #eef2ff;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.pg-thumb-canvas {
    display: block;
    max-width: 64px;
    height: auto;
    border-radius: 3px;
    border: 1px solid #cbd5e1;
    background: #e2e8f0;
}

.pg-thumb-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: #475569;
}

.pg-thumb-card.pg-selected .pg-thumb-label {
    color: #4338ca;
}

/* ── Scanner "Start Scanning" button style ───────────────────────── */
#scan-start-btn {
    margin-top: 20px;
}

/* ═══════════════════════════════════════════════════════════════════
   PAGE ZOOM MODAL — click any PDF page to enlarge at high quality
═══════════════════════════════════════════════════════════════════ */
.page-zoom-modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(8, 12, 28, 0.94);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
    animation: zoomModalIn 0.18s ease;
}

@keyframes zoomModalIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.page-zoom-modal__canvas {
    max-width: min(92vw, 1200px);
    max-height: 90vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 32px 96px rgba(0, 0, 0, 0.7);
    cursor: default;
    display: block;
}

.page-zoom-modal__nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 54px;
    height: 54px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    backdrop-filter: blur(8px);
    transition: background 0.15s ease, transform 0.15s ease;
    z-index: 3001;
}

.page-zoom-modal__nav:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-50%) scale(1.1);
}

.page-zoom-modal__nav--prev {
    left: 16px;
}

.page-zoom-modal__nav--next {
    right: 16px;
}

.page-zoom-modal__close {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 3001;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 46px;
    height: 46px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    backdrop-filter: blur(8px);
    transition: background 0.15s ease;
}

.page-zoom-modal__close:hover {
    background: rgba(239, 68, 68, 0.55);
}

.page-zoom-modal__info {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    z-index: 3001;
}

/* Click-to-zoom cursor hint */
canvas.viewer-canvas,
canvas#preview-canvas {
    cursor: zoom-in;
}

/* ═══════════════════════════════════════════════════════════════════
   COMPRESS STATS — shown after compression finishes
═══════════════════════════════════════════════════════════════════ */
.compress-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 10px;
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(5, 150, 105, 0.04));
    border: 1.5px solid rgba(16, 185, 129, 0.22);
    border-radius: 12px;
}

.compress-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    flex: 1;
    min-width: 80px;
}

.compress-stat strong {
    font-size: 1.1rem;
    font-weight: 800;
    color: #1e293b;
}

.compress-stat span {
    font-size: 0.73rem;
    font-weight: 500;
    color: #64748b;
}

.compress-stat--saving strong {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.compress-divider {
    width: 1px;
    height: 40px;
    background: rgba(16, 185, 129, 0.25);
    flex-shrink: 0;
}

/* Merge PDF multi-file preview strip */
.merge-preview-strip {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.merge-preview-file {
    background: #f1f5f9;
    border-radius: 8px;
    overflow: hidden;
    border: 1.5px solid #e2e8f0;
}

.merge-preview-file-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #e8edf5;
    font-size: 0.78rem;
    font-weight: 700;
    color: #475569;
}

.merge-preview-file-header svg {
    flex-shrink: 0;
}

.merge-preview-pages {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    overflow-x: auto;
    scrollbar-width: thin;
}

.merge-preview-page-thumb {
    flex-shrink: 0;
    cursor: zoom-in;
    border-radius: 4px;
    border: 1.5px solid #e2e8f0;
    box-shadow: 0 2px 8px #0001;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.merge-preview-page-thumb:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px #0002;
    border-color: #6366f1;
}