.share-overlay{
  position: fixed; inset: 0; z-index: 99998;
  background: rgba(7,17,32,0.55);
  backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; transition: opacity 0.25s ease;
}
.share-overlay.open{ display: flex; opacity: 1; }

.share-modal{
  background: var(--paper);
  border-radius: 16px;
  width: 100%; max-width: 420px;
  box-shadow: 0 12px 40px rgba(7,17,32,0.18);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  overflow: hidden;
}
.share-overlay.open .share-modal{ transform: translateY(0); }

.share-close{
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; font-size: 22px;
  line-height: 1; cursor: pointer; color: var(--ink-dim);
  padding: 4px;
}
.share-close:hover{ color: var(--ink); }

.share-header{
  padding: 24px 24px 0;
}
.share-header h3{
  font-size: 17px; font-weight: 700; color: var(--ink);
  margin: 0;
}

.share-body{
  padding: 16px 24px;
  display: flex; flex-direction: column; gap: 14px;
}

.share-user{
  display: flex; align-items: center; gap: 10px;
}
.share-user span{
  font-size: 14px; font-weight: 600; color: var(--ink);
}

.share-to{
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-dim);
}
.share-to svg{
  width: 16px; height: 16px; flex-shrink: 0;
}

.share-textarea{
  width: 100%; box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--surface);
  outline: none;
  resize: none;
  transition: border-color 0.2s;
}
.share-textarea:focus{
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft);
}
.share-textarea::placeholder{ color: var(--ink-dim); }

.share-footer{
  display: flex; align-items: center; gap: 10px;
  justify-content: flex-end;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.share-footer .btn-ghost-sm{
  background: none; border: 1px solid var(--border);
  color: var(--ink); font-size: 13px; font-weight: 500;
  padding: 8px 16px; border-radius: 8px; cursor: pointer;
  transition: background 0.2s; font-family: inherit;
}
.share-footer .btn-ghost-sm:hover{ background: var(--border); }
.share-footer .share-submit{
  padding: 8px 16px; border: none; border-radius: 8px;
  background: var(--signal); color: #fff; font-size: 13px;
  font-weight: 600; cursor: pointer; transition: opacity 0.2s;
  font-family: inherit;
}
.share-footer .share-submit:hover{ opacity: 0.88; }

@media(max-width:480px){
  .share-overlay{ padding: 16px; align-items: flex-end; }
  .share-modal{ border-radius: 16px 16px 0 0; max-width: none; }
  .share-header{ padding: 20px 20px 0; }
  .share-body{ padding: 12px 20px; gap: 10px; }
  .share-footer{ padding: 12px 20px; }
  .share-textarea{ font-size: 13px; }
}