body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:#0f1222;color:#fff}
header{background:linear-gradient(90deg,#8b5cf6,#6d28d9);padding:20px;text-align:center;font-size:22px;font-weight:600}
main{display:flex;gap:20px;padding:20px;align-items:flex-start}
aside{width:260px;background:#181b31;padding:20px;border-radius:10px;height:fit-content;display:flex;flex-direction:column;gap:20px}
.menu-section{background:#1f2342;border-radius:10px;padding:15px}
.menu-section h3{margin:0 0 10px;color:#c4b5fd;font-size:16px}
.topic,.channel-btn,.add-btn{display:block;width:100%;padding:10px 12px;border:none;border-radius:6px;margin-top:5px;cursor:pointer;font-weight:600;color:#fff}
.topic,.channel-btn{background:transparent;text-align:left}
.topic:hover,.channel-btn:hover{background:#2a2e55}
.topic.active{background:#2a2e55;border:1px solid #8b5cf6}
.add-btn{background:#8b5cf6;text-align:center}
.add-btn:hover{background:#7c3aed}
.add-btn[disabled]{opacity:.6;cursor:not-allowed}
.grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;align-items:start;align-content:start}
.card{background:#1f2342;border-radius:12px;padding:12px;box-shadow:0 4px 10px rgba(0,0,0,.3)}
.card h4{margin:0 0 6px;color:#c4b5fd;font-size:15px}
.card p{margin:0;color:#ddd;font-size:13px;line-height:1.4}
.meta{font-size:12px;color:#9aa3b2;margin-top:6px}
.empty-msg{color:#9aa3b2;font-size:13px;padding:6px 0}
.empty-msg-grid{color:#9aa3b2;font-size:14px;padding:10px 0 0 0}
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);justify-content:center;align-items:center;z-index:100}
.modal-content{background:#1f2342;padding:20px;border-radius:10px;width:520px;max-width:90vw}
.modal-content input,.modal-content textarea,.modal-content select{width:100%;margin-bottom:10px;background:#0f1222;color:#fff;border:none;border-radius:6px;padding:10px}
.modal-actions{display:flex;gap:10px}
.card .actions{margin-top:10px;display:flex;gap:10px}
.btn{border:none;border-radius:8px;padding:8px 14px;font-weight:700;cursor:pointer}
.btn-edit{background:#8b5cf6;color:#fff}
.btn-edit:hover{background:#7c3aed}
.btn-delete{background:#ef4444;color:#fff}
.btn-delete:hover{background:#dc2626}

/* --- Anti overflow en tarjetas (descripciones y títulos) --- */
.card p{overflow-wrap:anywhere;word-break:break-word;hyphens:auto}
.card h4{overflow-wrap:anywhere;word-break:break-word}

/* --- Ellipsis en nombres de categorías del menú --- */
#categoriasBox .topic{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}