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var(--border);border-radius:8px;padding:16px}.source-tabs{display:flex;gap:4px;margin-bottom:12px}.tab-btn{padding:6px 16px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;transition:all .15s}.tab-btn.active{background:var(--accent-dim);color:var(--fg);border-color:var(--accent)}.tab-btn:hover:not(.active){border-color:var(--border-strong);color:var(--fg)}.genre-selector{margin-bottom:12px}.genre-selector select{width:100%;padding:6px 10px;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px;font-size:.85rem}.source-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px;max-height:400px;overflow-y:auto;margin-bottom:12px}.source-card{position:relative;border:2px solid var(--border);border-radius:6px;overflow:hidden;cursor:pointer;transition:border-color 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