/* UUID to Picture Styles */

:root {
    --utp-border-color: rgba(255, 255, 255, 0.20);
    --utp-section-bg: rgba(255, 255, 255, 0.04);
    --utp-input-bg: rgba(255, 255, 255, 0.08);
    --utp-hover-bg: rgba(255, 255, 255, 0.06);
    --utp-valid-bg: rgba(76, 175, 80, 0.20);
    --utp-valid-border: var(--color-success);
    --utp-invalid-bg: rgba(239, 68, 68, 0.10);
    --utp-invalid-border: #ef4444;
    --utp-drop-hover-bg: rgba(220, 118, 3, 0.08);
}

/* Sections */
.utp-section {
    background: var(--utp-section-bg);
    border-radius: 8px;
    padding: var(--spacing-md);
    border: 1px solid var(--utp-border-color);
    margin-bottom: var(--spacing-md);
}

.utp-section h2 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
    color: var(--color-heading);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--spacing-xs);
}

/* Labels */
.utp-section label {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 6px;
}

/* Input group */
.input-group {
    margin-bottom: var(--spacing-sm);
}

/* UUID input row */
.uuid-input-row {
    display: flex;
    gap: var(--spacing-xs);
}

.uuid-input-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--utp-border-color);
    border-radius: 6px;
    font-size: var(--font-size-small);
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    background: var(--utp-input-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
    outline: none;
}

.uuid-input-row input:focus {
    border-color: var(--color-primary);
}

.uuid-input-row input.valid {
    border-color: var(--utp-valid-border);
    background: var(--utp-valid-bg);
}

.uuid-input-row input.invalid {
    border-color: var(--utp-invalid-border);
    background: var(--utp-invalid-bg);
}

/* Buttons */
.utp-section button {
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), opacity var(--transition-fast);
    white-space: nowrap;
}

.utp-section button:hover {
    opacity: 0.9;
}

.utp-section button:active {
    opacity: 0.8;
}

#btn-generate-uuid {
    background: var(--color-primary);
    color: #fff;
}

#btn-generate-uuid:hover {
    background: var(--color-primary-hover);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    width: 100%;
    padding: 10px 16px;
    font-size: var(--font-size-base);
    margin-top: var(--spacing-xs);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

/* Error message */
.error-message {
    color: var(--utp-invalid-border);
    font-size: var(--font-size-small);
    margin-top: 4px;
    display: block;
}

/* Color pickers */
.colors-group {
    margin-bottom: var(--spacing-sm);
}

.color-pickers {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.color-picker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.color-picker input[type="color"] {
    width: 36px;
    height: 36px;
    border: 1px solid var(--utp-border-color);
    border-radius: 6px;
    padding: 2px;
    cursor: pointer;
    background: none;
}

.color-picker span {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

/* Result area */
.result-area {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.result-area canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--utp-border-color);
    border-radius: 8px;
}

/* Download buttons */
.download-buttons {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.download-buttons button {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--utp-border-color);
}

.download-buttons button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Drop zone */
.drop-zone {
    border: 2px dashed var(--utp-border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.drop-zone p {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
}

.drop-zone-or {
    margin: 8px 0;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-primary);
    background: var(--utp-drop-hover-bg);
}

/* File label */
.file-label {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 6px;
    font-size: var(--font-size-small);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.file-label:hover {
    background: var(--color-primary-hover);
}

/* Decoded UUID row */
.decoded-uuid-row {
    margin-top: var(--spacing-sm);
    text-align: left;
}

.uuid-output-row {
    display: flex;
    gap: var(--spacing-xs);
}

.uuid-output-row input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--utp-border-color);
    border-radius: 6px;
    font-size: var(--font-size-small);
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    background: var(--utp-input-bg);
    color: var(--color-text);
    outline: none;
}

#btn-copy {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--utp-border-color);
}

#btn-copy:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Confidence label */
.confidence-label {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: 4px;
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .uuid-input-row {
        flex-direction: column;
    }

    .color-pickers {
        justify-content: center;
    }

    .download-buttons {
        flex-direction: column;
    }

    .uuid-output-row {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .utp-section {
        padding: var(--spacing-sm);
    }
}