/* SI Newsletter */
.nl-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 14px; }
.nl-head h1 { font-size: 15px; font-weight: 600; }
.nl-sub { font-size: 11.5px; color: var(--mut); }
.nl-cols { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-start; }
.nl-mail { flex: 1.3 1 480px; min-width: 0; }
.nl-side { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.nl-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 40px; padding: 0 14px; border-bottom: 1px solid var(--line); }
.nl-bar b { font-size: 13px; font-weight: 600; }
.nl-bar span { font-size: 11px; color: var(--mut); text-align: right; }
.nl-env { margin: 14px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--panel-2); overflow: hidden; }
.nl-mh { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.nl-mh b { font-size: 13px; font-weight: 600; }
.nl-md { margin-left: auto; font-size: 11.5px; color: var(--mut); }
.nl-piece { display: block; padding: 11px 14px; border-top: 1px solid var(--line-3); }
.nl-piece:first-child { border-top: 0; }
.nl-piece:hover { background: var(--si-bg); }
.nl-pt { font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.nl-pd { margin-top: 3px; font-size: 12px; line-height: 1.5; color: var(--tx-3); }
.nl-study { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--si-tx-2); }
.nl-mf { padding: 10px 14px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--mut); }
.nl-fine { padding: 0 14px 14px; }
.nl-opt { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; border-top: 1px solid var(--line-3); }
.nl-opt > div:first-child { min-width: 0; }
.nl-opt b { font-size: 13px; font-weight: 600; }
.nl-opt p { margin-top: 2px; font-size: 12px; line-height: 1.45; color: var(--mut); }
.nl-opt .btn { flex: none; }
.nl-sw { flex: none; position: relative; width: 42px; height: 24px; padding: 0; border-radius: 999px; border: 1px solid var(--line-2); background: var(--line); }
.nl-sw span { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--tx-3); transition: left 0.15s; }
.nl-sw[aria-checked="true"] { background: var(--rec); border-color: var(--rec); }
.nl-sw[aria-checked="true"] span { left: 20px; background: var(--bg); }
.nl-sw:disabled, .nl-seg button:disabled { opacity: 0.45; cursor: not-allowed; }
.nl-seg { flex: none; display: flex; gap: 2px; padding: 2px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel-2); }
.nl-seg button { height: 26px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; color: var(--mut); font-size: 12px; font-weight: 600; }
.nl-seg button[aria-pressed="true"] { background: var(--line-2); color: var(--tx); }
.nl-said { min-height: 0; padding: 0 14px; font-size: 12px; color: var(--rec-tx); }
.nl-said:not(:empty) { padding: 0 14px 12px; }
.nl-mine { display: flex; align-items: center; gap: 10px; height: 38px; padding: 0 14px; border-top: 1px solid var(--line-3); font-size: 12.5px; color: var(--tx-2); }
.nl-mine:first-child { border-top: 0; }
.nl-mine:hover { color: var(--tx); }
.nl-mine .cut { min-width: 0; }
.nl-t { flex: none; max-width: 40%; overflow: hidden; text-overflow: ellipsis; font-size: 12px; font-weight: 600; color: var(--tx); }

@media (max-width: 620px) {
  .nl-opt { flex-wrap: wrap; }
  .nl-md { margin-left: 0; }
}