:root {
    --bg-primary: #1e1f1f;
    --bg-secondary: #252626;
    --bg-tertiary: #2a2b2b;
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ededed;
    --text-secondary: #a0a0a0;
    --accent: #88b8ff;
    --accent-hover: #6ba3ff;
    --success: #4ade80;
    --error: #f87171;
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.toolbar-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.toolbar-section h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.toolbar-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--accent);
}

.code-input {
    width: 100%;
    min-height: 300px;
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Reddit Mono', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    box-sizing: border-box;
    outline: none;
    tab-size: 2;
}

.code-input:focus {
    border-color: var(--accent);
    background: var(--bg-secondary);
}

.code-input[readonly] {
    background: var(--bg-secondary);
    opacity: 0.9;
}

.file-upload-section {
    margin-top: 10px;
}

.file-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.preview-section {
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.preview-section h4 {
    margin: 0 0 10px 0;
    font-size: 13px;
    color: var(--text-primary);
}

.preview-content {
    min-height: 100px;
    padding: 20px;
    background: #808080;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-content svg {
    max-width: 100%;
    max-height: 200px;
}

.error-message {
    margin-top: 10px;
    padding: 12px;
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--error);
    border-radius: 4px;
    color: var(--error);
    font-size: 13px;
    font-family: 'Reddit Mono', monospace;
}

.example-item {
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.example-item h4 {
    margin: 0 0 10px 0;
    font-size: 13px;
    color: var(--text-primary);
}

.example-code {
    margin: 0;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow-x: auto;
    word-wrap: break-word;
    word-break: break-all;
}

.example-code code {
    font-family: 'Reddit Mono', 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-all;
}