/* 작업의뢰서(#/brief) — 단계형 입력 화면. 색은 사이트 토큰(--ink, --paper, --line, --mute, --red)만 사용. */
.bf { padding-bottom: 96px; }
.bf h1 { margin: 8px 0 12px; }
.bf-lead { max-width: 60ch; color: var(--mute); margin: 0 0 20px; line-height: 1.7; }
.bf-steps { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 28px; counter-reset: s; }
.bf-steps li { counter-increment: s; font-size: 13px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--mute); }
.bf-steps li::before { content: counter(s) ". "; }
.bf-steps li.done { color: var(--ink); }
.bf-steps li[aria-current="step"] { color: var(--ink); border-color: var(--ink); font-weight: 600; }
.bf-h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 20px; }
#bf-form { max-width: 760px; display: grid; gap: 22px; }
.bf-q { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; min-width: 0; }
.bf-q legend { font-weight: 600; padding: 0; margin-bottom: 4px; }
.bf-q legend small, .bf-f small { display: block; font-weight: 400; color: var(--mute); font-size: 13px; margin-top: 2px; }
.bf-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.bf-o { position: relative; }
.bf-o input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.bf-o span { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 15px; background: transparent; color: var(--ink); }
.bf-o input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.bf-o input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.bf-f { display: grid; gap: 6px; }
.bf-f > span { font-weight: 600; font-size: 15px; }
.bf-f b { color: var(--red); }
.bf-f input, .bf-f textarea, .bf-f select { font: inherit; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; min-height: 44px; width: 100%; box-sizing: border-box; }
.bf-f input:focus-visible, .bf-f textarea:focus-visible, .bf-f select:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }
.bf-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bf-hint, .bf-note { color: var(--mute); font-size: 14px; margin: 0; line-height: 1.6; }
.bf-c { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.6; }
.bf-c input { margin-top: 4px; width: 20px; height: 20px; flex: none; }
.bf-prev { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.bf-prev summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.bf-prev pre { white-space: pre-wrap; word-break: break-word; font: inherit; font-size: 14px; line-height: 1.7; margin: 8px 0 0; color: var(--ink); }
#bf-err ul { margin: 0; padding-left: 18px; color: var(--red); }
#bf-err p { margin: 0; color: var(--red); }
#bf-err .bf-ok { color: var(--ink); }
.bf-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.bf-ref { font-size: 28px; letter-spacing: .06em; font-weight: 600; }
@media (max-width: 640px) { .bf-two { grid-template-columns: 1fr; } .bf-btns .ct-btn { flex: 1 1 100%; justify-content: center; } }