/* BACK HEADER */
.bhdr { background: linear-gradient(135deg, var(--verde2) 0%, var(--verde) 100%); color: white; padding: 14px 16px 18px; display: flex; align-items: center; gap: 12px; position: relative; overflow: hidden; }
.bhdr::before { content: ''; position: absolute; top: -20px; right: -10px; width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,0.07); }
.bbtn { background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.25); color: white; width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; backdrop-filter: blur(8px); transition: background 0.15s; position: relative; z-index: 1; }
.bbtn:active { background: rgba(255,255,255,0.3); }
.bname { font-size: 17px; font-weight: 800; position: relative; z-index: 1; }
.bmeta { font-size: 11px; color: rgba(255,255,255,0.75); margin-top: 2px; font-weight: 500; position: relative; z-index: 1; }