:root{--bg: #1a1a2e;--surface: #16213e;--surface-hover: #1a2744;--text: #e0e0e0;--text-muted: #888;--primary: #6366f1;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--purple: #a855f7;--input-bg: #f0f0f0;--input-text: #222;--border: #333;--radius: 6px}body{background:var(--bg);color:var(--text);min-height:100vh}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:#0f0f23;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.header__title{font-size:18px;font-weight:600}.main{flex:1;padding:24px;max-width:960px;margin:0 auto;width:100%}.btn{padding:8px 16px;border:none;border-radius:var(--radius);cursor:pointer;font-family:inherit;font-size:13px;font-weight:600}.btn--primary{background:var(--primary);color:#fff}.btn--success{background:var(--success);color:#fff}.btn--danger{background:var(--danger);color:#fff}.btn--ghost{background:var(--surface);color:var(--text)}.input,.select,.textarea{background:var(--input-bg);color:var(--input-text);border:1px solid #ccc;border-radius:var(--radius);padding:8px;font-family:inherit;font-size:13px;width:100%}.textarea{resize:vertical;min-height:150px}.label{font-size:11px;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}.badge{padding:2px 8px;border-radius:3px;font-size:10px;font-weight:600;white-space:nowrap}.badge--offen{background:var(--surface);color:var(--text)}.badge--in_bearbeitung{background:var(--primary);color:#fff}.badge--vertagt{background:var(--warning);color:#000}.badge--feedback{background:var(--purple);color:#fff}.badge--abgeschlossen{background:var(--success);color:#000}.card{background:#2a2a3e;padding:10px 12px;border-radius:var(--radius);margin-bottom:6px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.card:hover{background:#333350}.card__topic{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:12px}.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:16px}.tab{padding:8px 16px;cursor:pointer;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;font-weight:600;font-size:13px}.tab--active{color:var(--primary);border-bottom-color:var(--primary)}.tab--disabled{opacity:.4;cursor:not-allowed}.overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.overlay__content{background:#181825;border:1px solid var(--primary);border-radius:8px;padding:20px;width:90%;max-width:560px;max-height:90vh;overflow-y:auto}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.tile{background:var(--primary);color:#fff;padding:24px 20px;border-radius:8px;text-align:center;cursor:pointer;transition:transform .1s}.tile:hover{transform:translateY(-2px)}.tile__name{font-weight:700;font-size:16px}.tile__count{font-size:12px;margin-top:4px;opacity:.8}.tag{background:var(--primary);color:#fff;padding:4px 8px;border-radius:12px;font-size:11px;display:inline-flex;align-items:center;gap:4px}.tag__remove{cursor:pointer;opacity:.7}.tag__remove:hover{opacity:1}.footer{background:#0f0f23;padding:12px 24px;text-align:center}.footer__link{color:var(--text-muted);text-decoration:none;font-size:12px}