.info-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--card-line, #30363d); color: #c9d1d9;
    font-size: 10px; font-weight: 700; font-style: italic; font-family: Georgia, serif;
    cursor: pointer; vertical-align: middle; margin-left: 5px; user-select: none;
}
.info-icon:hover, .info-icon:focus { background: var(--amber, #f0a500); color: #0d1117; outline: none; }

.info-popover-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.5);
    display: none; align-items: center; justify-content: center; z-index: 500; padding: 20px;
}
.info-popover-overlay.open { display: flex; }
.info-popover {
    background: var(--card-bg, #161b22); border: 1px solid var(--card-line, #30363d);
    border-radius: 14px; padding: 18px 20px; max-width: 320px; color: #e6edf3; font-size: 0.88rem; line-height: 1.5;
    box-shadow: 0 20px 50px rgba(0,0,0,.4);
}
.info-popover-text { white-space: pre-line; }
.info-popover button {
    margin-top: 14px; border: none; border-radius: 8px; background: var(--amber, #f0a500);
    color: #0d1117; font-weight: 700; padding: 8px 16px; cursor: pointer; font-size: 0.82rem;
}