.brief-builder{margin-top:30px;border:1px solid var(--line,#d8ddd7);border-radius:18px;overflow:hidden;background:#fff}
.brief-builder__intro{padding:24px 28px;border-bottom:1px solid var(--line,#d8ddd7);background:#faf8f3}
.brief-builder__intro p{margin:0;max-width:790px;font-size:15px}
.brief-builder__grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}
.brief-form,.brief-result{padding:28px;min-width:0}
.brief-form{border-right:1px solid var(--line,#d8ddd7)}
.brief-form fieldset{min-width:0;border:0;padding:0;margin:0 0 23px}
.brief-form legend{font-size:15px;font-weight:700;margin-bottom:11px}
.brief-modes{display:flex;gap:10px;flex-wrap:wrap}
.brief-mode{display:flex;align-items:center;gap:9px;min-height:44px;padding:9px 15px;border:1px solid var(--line,#d8ddd7);border-radius:7px;font-size:15px;cursor:pointer}
.brief-mode:has(input:checked){border-color:var(--ink,#191d19);background:#f0f3ed}
.brief-mode input{accent-color:var(--ink,#191d19);width:17px;height:17px;margin:0}
.brief-field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px;min-width:0}
.brief-field>label{font-size:14px;font-weight:700}
.brief-field input,.brief-field select,.brief-field textarea{font:inherit;font-size:16px;line-height:1.5;color:var(--ink,#191d19);background:#fff;border:1px solid #bfc8bc;border-radius:6px;padding:11px 12px;min-height:46px;width:100%;max-width:100%;box-sizing:border-box}
.brief-field textarea{resize:vertical;min-height:106px}
.brief-field small,.brief-video-note{font-size:13px;line-height:1.55;color:var(--muted,#586454)}
.brief-field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.brief-form [hidden]{display:none!important}
.brief-video-note{margin:0 0 20px}
.brief-builder button{cursor:pointer;font:inherit;font-size:14px;line-height:1.4;min-height:44px;border-radius:6px;padding:10px 15px}
.brief-build{width:100%;background:var(--ink,#191d19);color:#fff;border:1px solid var(--ink,#191d19);font-weight:700}
.brief-build:hover{background:#344331}
.brief-builder button:disabled{cursor:not-allowed;opacity:.55}
.brief-builder :is(input,select,textarea,button):focus-visible{outline:3px solid #bb7450;outline-offset:3px}
.brief-result{background:#fcfcf9}
.brief-result h3{font-size:24px;margin:0 0 10px;line-height:1.25;letter-spacing:-.02em}
.brief-result__summary{font-size:13px!important;line-height:1.6!important;color:var(--muted,#586454);margin:0 0 17px!important;overflow-wrap:anywhere}
.brief-result label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.brief-output{display:block;box-sizing:border-box;width:100%;max-width:100%;min-height:350px;resize:vertical;border:1px solid #cbd2c7;border-radius:7px;background:#fff;padding:16px;color:#283026;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}
.brief-actions{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0}
.brief-actions button{background:#fff;border:1px solid #bfc8bc;color:var(--ink,#191d19)}
.brief-actions button:hover{background:#f0f3ed}
.brief-actions [data-brief-copy-prompt]{background:var(--ink,#191d19);border-color:var(--ink,#191d19);color:#fff;font-weight:700}
.brief-actions [data-brief-copy-prompt]:hover{background:#344331}
.brief-status{min-height:44px;font-size:13px!important;line-height:1.6!important;margin:10px 0 20px!important;color:var(--muted,#586454)}
.brief-next{padding:20px;margin:20px 0 26px;border:1px solid #cbd2c7;border-radius:10px;background:#f4f5ef}
.brief-next h4{margin:0 0 12px;font-size:18px}
.brief-next>p{margin:0 0 15px;font-size:14px;line-height:1.6;overflow-wrap:anywhere}
.brief-next ol{padding-left:23px;margin:18px 0}
.brief-next li{padding-left:3px;margin-bottom:15px;font-size:14px;line-height:1.6}
.brief-next li strong,.brief-next li span{display:block}
.brief-next li strong{margin-bottom:3px}
.brief-next .brief-paste-note{padding-top:15px;border-top:1px solid #cbd2c7;font-size:13px}
.brief-next .brief-workspace-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 15px;border-radius:6px;background:var(--ink,#191d19);color:#fff;font-size:14px;font-weight:700;text-decoration:none}
.brief-next .brief-workspace-link:hover{background:#344331}
.brief-next .brief-workspace-note{margin:10px 0 0;font-size:13px}
.brief-result h4{font-size:15px;margin:24px 0 12px}
.brief-checklist{padding-left:20px;margin:0}
.brief-checklist li{font-size:14px;line-height:1.65;margin:0 0 10px;padding-left:3px}
.brief-noscript{display:block;background:#fff0e6;border:1px solid #d6a080;border-radius:6px;padding:14px;margin:0 0 18px;font-size:14px}
@media(max-width:960px){.brief-builder__grid{grid-template-columns:1fr}.brief-form{border-right:0;border-bottom:1px solid var(--line,#d8ddd7)}.brief-output{min-height:330px}}
@media(max-width:480px){.brief-builder__intro,.brief-form,.brief-result{padding:20px 16px}.brief-field-row{grid-template-columns:1fr;gap:0}.brief-actions{flex-direction:column}.brief-actions button{width:100%}.brief-result h3{font-size:23px}.brief-output{min-height:410px;font-size:13px}.brief-modes{gap:8px}.brief-next{padding:17px 14px}.brief-next .brief-workspace-link{width:100%}}