/* ============================================
   Placeholder Image Generator – Tool Styles
   ============================================ */

/* Canvas Preview */
.canvas-preview-wrapper {
    position: relative;
    width: 100%;
    background: var(--bs-gray-200);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    min-height: 200px;
}

.canvas-preview-wrapper canvas {
    max-width: 100%;
    max-height: 500px;
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0,0,0,.12);
    object-fit: contain;
}

/* Tab Navigation Overrides */
.phi-tabs {
    gap: 0.25rem;
    flex-wrap: wrap;
    border-bottom: 2px solid var(--bs-gray-200);
    padding-bottom: 0;
}

.phi-tabs .nav-link {
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border-radius: 6px 6px 0 0;
    color: var(--bs-gray-600);
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    transition: all 0.2s ease;
}

.phi-tabs .nav-link:hover {
    color: var(--bs-dark);
    background: var(--bs-gray-100);
}

.phi-tabs .nav-link.active {
    color: #fff;
    background: var(--bs-primary);
    border-color: var(--bs-primary);
}

.phi-tabs .nav-link i {
    font-size: 0.85rem;
}

/* Color Picker Input Groups */
.form-control-color {
    width: 42px;
    min-width: 42px;
    padding: 0.25rem;
    border-radius: var(--bs-border-radius) 0 0 var(--bs-border-radius);
    cursor: pointer;
}

/* Code Snippet Blocks */
.code-snippet {
    background: #1e1e2e;
    color: #cdd6f4;
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.78rem;
    font-family: 'Fira Code', 'Courier New', monospace;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 180px;
    overflow-y: auto;
    margin: 0;
    scrollbar-width: thin;
    scrollbar-color: #585b70 #1e1e2e;
}

.code-snippet::-webkit-scrollbar {
    width: 6px;
}

.code-snippet::-webkit-scrollbar-track {
    background: #1e1e2e;
}

.code-snippet::-webkit-scrollbar-thumb {
    background: #585b70;
    border-radius: 3px;
}

/* Preset Chips */
.phi-preset {
    font-size: 0.78rem;
    padding: 0.3rem 0.65rem;
    border-radius: 20px;
    transition: all 0.15s ease;
}

.phi-preset:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,.1);
}

.phi-preset.active {
    background: var(--bs-primary);
    color: #fff;
    border-color: var(--bs-primary);
}

/* Swatch Boxes */
.swatch-box {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 2px solid var(--bs-gray-300);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.swatch-box:hover {
    transform: scale(1.1);
}

/* Batch Grid */
#batch-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

#batch-preview-grid .batch-item {
    background: var(--bs-gray-100);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    border: 1px solid var(--bs-gray-200);
    transition: box-shadow 0.2s ease;
}

#batch-preview-grid .batch-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

#batch-preview-grid .batch-item canvas {
    max-width: 100%;
    display: block;
}

#batch-preview-grid .batch-item .batch-label {
    font-size: 0.72rem;
    padding: 0.35rem;
    color: var(--bs-gray-600);
    font-weight: 600;
}

/* Toast Notification */
.phi-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1e1e2e;
    color: #fff;
    padding: 0.65rem 1.5rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

.phi-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 991.98px) {
    .phi-tabs .nav-link {
        font-size: 0.75rem;
        padding: 0.35rem 0.6rem;
    }

    .canvas-preview-wrapper canvas {
        max-height: 350px;
    }
}

@media (max-width: 575.98px) {
    .phi-tabs {
        gap: 0.15rem;
    }

    .phi-tabs .nav-link {
        font-size: 0.7rem;
        padding: 0.3rem 0.45rem;
    }

    .phi-tabs .nav-link i {
        display: none;
    }
}