/* Sticker tool interaction upgrades */
.workflow-panel {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(231, 239, 255, 0.9));
    border: 1px solid rgba(var(--primary-rgb), 0.1);
}

.workflow-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.workflow-header h3 {
    margin: 0 0 0.35rem 0;
}

.workflow-subtitle {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.workflow-status {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    white-space: nowrap;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.workflow-step {
    display: flex;
    gap: 0.75rem;
    padding: 0.85rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.workflow-step.is-active {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: var(--shadow-sm);
}

.workflow-step.is-done {
    border-color: rgba(var(--primary-rgb), 0.35);
    background: rgba(var(--primary-rgb), 0.08);
}

.workflow-step .step-index {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.workflow-step.is-done .step-index {
    background: var(--primary-color);
    color: white;
}

.step-title {
    font-weight: 600;
    color: var(--text-primary);
}

.step-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.upload-help {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.selection-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.75rem 0 0.5rem;
    flex-wrap: wrap;
}

.selection-steps {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 0.75rem 0 0.25rem;
}

.selection-step {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px dashed rgba(var(--primary-rgb), 0.2);
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.6);
}

.selection-step .step-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
}

.selection-step.is-active {
    border-color: rgba(var(--primary-rgb), 0.45);
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.14);
    box-shadow: 0 8px 18px rgba(var(--primary-rgb), 0.18);
    animation: stepGlow 1.8s ease-in-out infinite;
}

.selection-step.is-done {
    border-color: rgba(var(--primary-rgb), 0.6);
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.22);
    box-shadow: 0 10px 22px rgba(var(--primary-rgb), 0.22);
}

.selection-step.is-done,
.selection-step.is-active {
    border-style: solid;
}

.selection-step.is-active .step-dot {
    background: rgba(var(--primary-rgb), 0.25);
    color: var(--primary-color);
}

.selection-step.is-done .step-dot {
    background: var(--primary-color);
    color: white;
}

.selection-count {
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.8rem;
}

.selection-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.canvas-tip {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.9rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
}

.mode-status {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.mode-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.mode-value {
    font-weight: 600;
    color: var(--text-primary);
}

.mode-counts {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.count-chip {
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
}

.preview-hint {
    margin: 0.75rem 0 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.image-grid-wrapper {
    position: relative;
}

.preview-mask {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(243, 246, 252, 0.78);
    border-radius: 0.9rem;
    border: 1px dashed rgba(var(--primary-rgb), 0.25);
    backdrop-filter: blur(4px);
    z-index: 2;
}

.preview-mask.hidden {
    display: none;
}

.mask-card {
    max-width: 320px;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0.9rem;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
}

.mask-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.mask-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.9rem;
}

.mask-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.mask-btn {
    border: none;
    border-radius: 999px;
    padding: 0.5rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.mask-btn.secondary {
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-color);
}

.mask-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.image-grid {
    min-height: 260px;
}

.image-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.image-empty-icon {
    font-size: 2rem;
}

.module.is-active {
    border-color: rgba(var(--primary-rgb), 0.35);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.08);
}

.module.is-ready {
    border-color: rgba(var(--primary-rgb), 0.2);
}

.module-actions button:disabled,
.select-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#exportAllBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.select-btn[aria-pressed="true"] {
    background-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.18);
}

/* Action emphasis */
.select-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.28);
    border-radius: 999px;
    padding: 0.55rem 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    animation: glow 2.4s ease-in-out infinite;
}

.select-btn.primary .btn-icon {
    font-size: 1rem;
}

.select-btn.primary[aria-pressed="true"] {
    background: linear-gradient(135deg, #2456d6, #8abaff);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.2), 0 16px 36px rgba(var(--primary-rgb), 0.35);
    animation: none;
}

.select-btn.primary[aria-pressed="true"] .btn-icon {
    animation: pulse 1.4s ease infinite;
}

.select-btn.primary:disabled {
    animation: none;
}

.canvas-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    color: var(--text-primary);
}

.canvas-action-btn:first-child {
    box-shadow: 0 8px 18px rgba(var(--primary-rgb), 0.16);
}

.canvas-action-btn:last-child {
    box-shadow: 0 8px 18px rgba(var(--primary-rgb), 0.1);
}

.canvas-action-btn .btn-icon {
    font-size: 1rem;
}

.canvas-action-btn:hover {
    background: rgba(var(--primary-rgb), 0.12);
}

.canvas-action-btn.danger {
    border-color: rgba(239, 68, 68, 0.35);
    color: #b91c1c;
    background: rgba(239, 68, 68, 0.08);
}

.canvas-action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.16);
}

.canvas-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.25); }
    50% { box-shadow: 0 16px 36px rgba(var(--primary-rgb), 0.35); }
}

@keyframes stepGlow {
    0%, 100% { box-shadow: 0 8px 18px rgba(var(--primary-rgb), 0.18); }
    50% { box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.26); }
}

@media (max-width: 1024px) {
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .preview-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .workflow-header {
        flex-direction: column;
        align-items: flex-start;
    }
}