/* Tabs Navigation */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    font-family: 'Share Tech Mono', monospace;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    border-color: var(--accent-color);
    color: var(--text-main);
}

.tab-btn.active {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.1);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* Textareas & Inputs */
textarea {
    width: 100%;
    min-height: 150px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 15px;
    font-family: monospace;
    border-radius: 4px;
    resize: vertical;
    margin-bottom: 15px;
}

textarea[readonly] {
    background: rgba(255, 255, 255, 0.02);
    color: var(--accent-color);
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.result-box {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 4px;
    word-break: break-all;
    font-family: monospace;
    color: var(--accent-color);
}

/* Split View for Markdown */
.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    height: 500px;
}

.split-pane {
    display: flex;
    flex-direction: column;
}

.pane-header {
    background: var(--card-bg);
    padding: 5px 10px;
    font-size: 0.8rem;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    border-bottom: none;
}

.markdown-preview {
    flex: 1;
    background: #fff;
    color: #333;
    padding: 20px;
    overflow-y: auto;
    border-radius: 0 0 4px 4px;
}

@media (max-width: 768px) {
    .split-view { grid-template-columns: 1fr; height: auto; }
    .markdown-preview { min-height: 300px; }
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }