/* Tools Specific Styling Library - Tools Champ */

.tool-interface {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-premium);
    position: relative;
    overflow: hidden;
}

/* Drop Zone Upload Box */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--background);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.02);
}

.dropzone svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    transition: var(--transition);
}

.dropzone:hover svg {
    color: var(--primary);
    transform: translateY(-4px);
}

.dropzone input[type="file"] {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

.dropzone p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.dropzone span.highlight {
    color: var(--primary);
    font-weight: 600;
}

/* Tool Settings Panel */
.tool-settings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.setting-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
}

/* Common Inputs */
.input-control {
    background: var(--background);
    border: 1px solid var(--border);
    padding: 0.8rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.input-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select.input-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23475569'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

/* Sliders */
.slider-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-group input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--primary-light);
}

.slider-value {
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

/* Custom Switches & Toggles */
.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
}

.toggle-switch input {
    display: none;
}

.switch-slider {
    width: 44px;
    height: 24px;
    background-color: var(--border);
    border-radius: 12px;
    position: relative;
    transition: var(--transition);
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: white;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .switch-slider {
    background-color: var(--primary);
}

.toggle-switch input:checked + .switch-slider::before {
    transform: translateX(20px);
}

/* Textarea Layouts & Output Preview Code Blocks */
.textarea-container {
    position: relative;
    width: 100%;
}

.textarea-control {
    min-height: 180px;
    resize: vertical;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

.textarea-header-actions {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

/* Action Buttons bar */
.tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

/* Preview / Results Container */
.tool-result {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    padding: 1.5rem;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.tool-result h4 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-swatch {
    height: 120px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
    font-size: 1.2rem;
}

/* Image Tool Crop/Preview Area */
.preview-box {
    max-width: 100%;
    max-height: 400px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%), linear-gradient(-45deg, #e2e8f0 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e2e8f0 75%), linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

[data-theme="dark"] .preview-box {
    background-image: linear-gradient(45deg, #1e293b 25%, transparent 25%), linear-gradient(-45deg, #1e293b 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #1e293b 75%), linear-gradient(-45deg, transparent 75%, #1e293b 75%);
}

.preview-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

/* Color palettes grid */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.2rem;
}

.palette-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface);
    display: flex;
    flex-direction: column;
}

.palette-color {
    height: 100px;
    cursor: pointer;
    transition: var(--transition);
}

.palette-color:hover {
    filter: brightness(0.9);
}

.palette-info {
    padding: 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Loading Micro-animations */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(37, 99, 235, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(var(--background), 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 50;
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* File info badge card */
.file-info-badge {
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 1rem;
}

.file-info-title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
}

.file-info-title h5 {
    font-size: 0.9rem;
    font-weight: 700;
}

.file-info-title p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.file-size-badge {
    background: var(--primary);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
}

/* Grid Builder Preview Container */
.grid-preview-container {
    min-height: 250px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    padding: 1rem;
    overflow: auto;
}

/* Text statistics card grid */
.text-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .text-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
}

.stat-card h5 {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.stat-card p {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

/* Compare Text Panel */
.compare-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .compare-container {
        grid-template-columns: 1fr;
    }
}
.compare-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.compare-diff-view {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 1rem;
    min-height: 200px;
    font-family: monospace;
    font-size: 0.85rem;
    overflow-y: auto;
    white-space: pre-wrap;
}

.diff-added { background: rgba(16, 185, 129, 0.15); color: #065f46; }
.diff-removed { background: rgba(239, 68, 68, 0.15); color: #7f1d1d; }