/* Base64 Styles */

.b64-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.b64-tab {
    flex: 1;
    padding: 12px 18px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition);
}
.b64-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.b64-tab.active {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.b64-panel { display: none; animation: fadeInUp 0.3s ease; }
.b64-panel.active { display: block; }

.b64-editors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
.b64-editor {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}
.b64-editor:focus-within { border-color: var(--accent); }
.b64-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}
.b64-textarea {
    flex: 1;
    min-height: 300px;
    padding: 16px 18px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: none;
    font-family: 'JetBrains Mono', 'Courier New', Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    white-space: pre-wrap;
    word-break: break-all;
}
.b64-textarea::placeholder { color: var(--text-muted); }

.b64-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.b64-result {
    margin-top: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    animation: fadeInUp 0.3s ease;
}
.b64-result-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    gap: 12px;
    flex-wrap: wrap;
}
.b64-image-preview {
    max-width: 240px;
    max-height: 240px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    display: block;
    margin: 0 auto 20px;
}

@media (max-width: 900px) {
    .b64-editors { grid-template-columns: 1fr; }
    .b64-textarea { min-height: 200px; }
}