/* Oltag-PDF - Tool Specific Styling */

.tool-workspace {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    width: 100%;
}

/* Upload Dropzone */
.drop-zone {
    border: 2px dashed var(--border-color);
    background: var(--card-bg);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--shadow-premium);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--primary);
    background: var(--card-hover-bg);
    box-shadow: var(--shadow-premium), var(--shadow-glow);
}

.drop-zone-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.drop-zone:hover .drop-zone-icon {
    transform: scale(1.1);
    background: rgba(var(--primary-rgb), 0.15);
}

.drop-zone-icon svg {
    width: 36px;
    height: 36px;
}

.drop-zone-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
}

.drop-zone-desc {
    color: var(--text-secondary);
    font-size: 13.5px;
}

.file-input {
    display: none;
}

/* Workspace Panels (Split layout) */
.workspace-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 20px;
}

@media (min-width: 992px) {
    .workspace-container {
        grid-template-columns: 1fr 340px;
    }
}

.preview-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.settings-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    align-self: start;
    position: sticky;
    top: 90px;
}

.panel-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* Pages/Files Preview Grid */
.pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 8px;
}

.page-card {
    background: rgba(0, 0, 0, 0.2);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
    position: relative;
    transition: all 0.2s ease;
    user-select: none;
    cursor: grab;
}

.page-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.page-card.selected {
    border-color: var(--secondary);
    background: rgba(var(--secondary-rgb), 0.1);
}

.page-thumbnail-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1.414; /* A4 aspect ratio */
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.page-thumbnail {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.page-number {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Page Card Action Badges */
.card-action-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--category-security);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    z-index: 10;
}

.card-action-btn.btn-rotate {
    background: var(--primary);
    right: auto;
    left: -8px;
}

.card-action-btn svg {
    width: 12px;
    height: 12px;
}

/* Processing Overlay */
.processing-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(9, 11, 17, 0.85);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.processing-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Modern Spinner */
.spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(var(--primary-rgb), 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.progress-container {
    width: 80%;
    max-width: 300px;
    height: 6px;
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 15px;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: var(--gradient-accent);
    transition: width 0.2s ease;
}

/* Success Download Card */
.result-card {
    text-align: center;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.success-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid #10b981;
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.success-badge svg {
    width: 40px;
    height: 40px;
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 10px;
}

/* Settings Form Controls */
.settings-group {
    margin-bottom: 20px;
}

.settings-label {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.settings-input, .settings-select {
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

.settings-input:focus, .settings-select:focus {
    border-color: var(--primary);
}

/* Custom Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* Signature & Redaction interactive drawing canvas overlays */
.pdf-draw-container {
    position: relative;
    overflow: auto;
    max-height: 600px;
    background: #4b5563;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.canvas-page-wrapper {
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    background: white;
}

.drawing-overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 5;
    cursor: crosshair;
}

.placed-element {
    position: absolute;
    border: 1px dashed var(--primary);
    cursor: move;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.element-delete-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--category-security);
    color: white;
    font-size: 10px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Action Log Panel */
.action-log {
    margin-top: 15px;
    font-size: 12px;
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: 10px;
    font-family: monospace;
    color: #10b981;
}

.action-log-entry {
    margin-bottom: 4px;
}

.action-log-entry.error {
    color: var(--category-security);
}