/* PULSE 1.90 — optional hero tactical doctrine, accessible and touch-friendly */
.chapter1900-brief{display:grid;gap:10px;border:1px solid rgba(217,199,146,.58);border-radius:14px;
 background:linear-gradient(138deg,#324839,#162e33);padding:13px;box-shadow:inset 0 1px #ffffff14,0 8px 28px #0005}
.chapter1900-brief>header{display:grid;gap:5px}
.chapter1900-brief header span{font-size:10px;font-weight:850;letter-spacing:1px;color:#d8cca2}
.chapter1900-brief header b{font-size:16px;line-height:1.25;color:#f6e8c9}
.chapter1900-brief-options{display:grid;gap:7px}
.chapter1900-brief-options button{display:grid;gap:4px;min-height:65px;padding:11px 12px;
 text-align:left;border:1px solid rgba(146,194,169,.58);border-radius:10px;color:#e5ebe1;
 background:linear-gradient(115deg,#294b44,#1b3038)}
.chapter1900-brief-options button b{font-size:13px;color:#f4dbab}
.chapter1900-brief-options button span{font-size:11px;line-height:1.5;color:#c8dacc}
.chapter1900-brief-options button small{font-size:10px;color:#b7ddc6}
.chapter1900-brief-options button:disabled{opacity:.5}
.chapter1900-brief-options button:focus-visible,.camp1900-quality:focus-visible{outline:3px solid #f5d098;outline-offset:2px}
.camp1900-quality{min-height:42px;display:inline-flex;align-items:center;gap:5px;padding:7px 10px;
 border:1px solid #c6be9688;border-radius:10px;background:rgba(24,53,55,.92);
 color:#f3e7cc;font-size:11px;font-weight:800;white-space:nowrap}
.camp1900-quality[data-pulse-quality="eco"]{background:rgba(26,48,53,.94);border-color:#86b2a6}
.camp1900-quality[data-pulse-quality="premium"]{border-color:#e6c88c;color:#ffebc0}
.camp1900-quality:active{transform:scale(.98)}
@media(min-width:560px){.chapter1900-brief-options{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.chapter1900-brief-options button{transition:none!important}}