.markdown-field { margin:16px 0; min-width:0; }
.markdown-field>label { display:block; margin-bottom:9px; }
.markdown-shell { border:1px solid var(--line); border-radius:9px; background:#fff; overflow:hidden; }
.markdown-toolbar { display:flex; align-items:center; gap:4px; padding:7px; border-bottom:1px solid var(--line); background:#f8faf9; flex-wrap:wrap; }
.markdown-toolbar button { border:0; background:transparent; color:var(--ink); min-width:34px; min-height:32px; border-radius:5px; padding:5px 9px; font-size:12px; }
.markdown-toolbar button:hover,.markdown-toolbar button[aria-pressed=true] { background:#e4f1ec; }
.toolbar-spacer { flex:1; }
.markdown-shell textarea { display:block; width:100%; border:0!important; box-shadow:none!important; resize:vertical; border-radius:0!important; margin:0!important; padding:15px!important; min-height:130px; }
.markdown-shell textarea[hidden],.markdown-preview[hidden] { display:none; }
.markdown-preview { padding:15px; min-height:130px; overflow-wrap:anywhere; }
.markdown-hint { margin:6px 0 0; color:var(--muted); font-size:11px; }
.rich-text { line-height:1.7; overflow-wrap:anywhere; }
.rich-text p { margin:0 0 10px; }
.rich-text p:last-child { margin-bottom:0; }
.rich-text h3,.rich-text h4,.rich-text h5 { margin:16px 0 8px; font-size:1.1em; }
.rich-text ul,.rich-text ol { padding-left:22px; margin:9px 0 13px; }
.rich-text li { margin:4px 0; }
.rich-text blockquote { border-left:3px solid var(--teal); padding-left:12px; margin:12px 0; color:var(--muted); }
.rich-text a { color:var(--teal); text-decoration:underline; }
.rich-text code { background:#edf3f0; padding:2px 4px; border-radius:3px; }
.markdown-table-wrap { overflow-x:auto; margin:12px 0; }
.markdown-table-wrap table { width:100%; border-collapse:collapse; font-size:12px; }
.markdown-table-wrap th,.markdown-table-wrap td { border:1px solid var(--line); padding:8px 10px; text-align:left; vertical-align:top; }
.markdown-table-wrap th { background:#f0f6f3; }
.form-builder { border-top:1px solid var(--line); margin-top:12px; padding-top:25px; }
.form-builder .section-title { align-items:flex-start; gap:18px; }
.form-builder h3 { margin:0 0 8px; }
.question-list { display:grid; gap:12px; margin-top:14px; }
.question-editor { border:1px solid var(--line); background:#f9fbfa; border-radius:9px; padding:18px; }
.question-editor .section-title { margin-bottom:12px; }
.question-grid { display:grid; grid-template-columns:minmax(0,2fr) minmax(145px,1fr); gap:15px; align-items:start; }
.question-grid label { display:block; min-width:0; font-size:12px; }
.question-grid input,.question-grid select,.question-grid textarea { margin-top:7px; width:100%; }
.question-grid .question-options { grid-column:1 / -1; }
.question-grid .question-required { display:flex; align-items:center; gap:8px; grid-column:1 / -1; }
.question-required input { width:auto; margin:0; }
.challenge-questions { border-top:1px solid var(--line); margin:25px 0 0; padding-top:22px; }
.challenge-questions h3 { margin-bottom:7px; }
.question-answer { margin-top:18px; }
.question-answer>label { display:block; margin-bottom:8px; }
.question-answer .check-answer { display:flex; align-items:flex-start; gap:9px; }
.question-answer .check-answer input { flex:none; margin-top:4px; }
.required-mark { color:#9e492e; }
.colleague-widget { position:relative; z-index:100; }
.colleague-avatar { display:grid; place-items:center; flex:none; width:39px; height:39px; border-radius:12px; background:#dff3ef; color:#075d65; font-size:17px; font-weight:750; }
.colleague-toggle { position:fixed; right:24px; bottom:24px; z-index:100; display:flex; align-items:center; gap:11px; min-height:62px; max-width:calc(100vw - 32px); padding:9px 14px 9px 9px; border:1px solid #0a6872; border-radius:15px; color:white; background:#07535e; box-shadow:0 12px 34px #06393f38; text-align:left; font-size:13px; font-weight:700; cursor:pointer; }
.colleague-toggle:hover,.colleague-toggle[aria-expanded=true] { background:#063f49; }
.colleague-toggle>span:nth-child(2) { display:grid; gap:2px; }
.colleague-toggle small { display:block; font-size:10px; font-weight:400; color:#d3eae7; }
.colleague-open-icon { display:flex; margin-left:4px; color:#d3eae7; }
.colleague-toggle[aria-expanded=true] .icon-expand { transform:rotate(180deg); }
.colleague-popup { position:fixed; right:24px; bottom:98px; z-index:101; display:flex; flex-direction:column; width:min(380px,calc(100vw - 32px)); height:min(500px,calc(100dvh - 130px)); border:1px solid #cddbd7; border-radius:16px; background:white; box-shadow:0 20px 55px #092c3240; overflow:hidden; }
.colleague-popup[hidden] { display:none; }
.colleague-header { display:flex; align-items:center; gap:11px; padding:14px 16px; background:#07535e; color:white; }
.colleague-header .colleague-avatar { background:white; color:#07535e; }
.colleague-header>div { min-width:0; flex:1; }
.colleague-header h2 { font-size:15px; line-height:1.2; margin:0 0 3px; color:white; }
.colleague-header p { font-size:11px; margin:0; color:#d3eae7; }
.colleague-close { width:32px; height:32px; border:0; background:#ffffff22; border-radius:7px; color:white; font-size:24px; line-height:1; cursor:pointer; }
.colleague-thread { flex:1; min-height:0; overflow-y:auto; display:flex; flex-direction:column; gap:15px; padding:18px 16px; background:#f5f8f7; }
.colleague-message { max-width:89%; }
.colleague-message.mine { align-self:flex-end; }
.colleague-message.theirs { align-self:flex-start; }
.colleague-message span { display:block; margin:0 0 5px 4px; color:var(--muted); font-size:10px; font-weight:700; }
.colleague-message p { margin:0; padding:11px 13px; border:1px solid #d9e5e1; border-radius:11px 11px 11px 3px; background:white; color:var(--ink); font-size:12px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; }
.colleague-message.mine p { border-color:#b6dcd5; border-radius:11px 11px 3px 11px; background:#e2f3ef; }
.colleague-compose { display:flex; gap:8px; padding:12px; border-top:1px solid #e0e9e5; background:white; }
.colleague-compose input { flex:1; min-width:0; margin:0; font-size:12px; }
.colleague-compose button { flex:none; border:0; border-radius:7px; padding:0 15px; background:var(--teal); color:white; font-size:12px; font-weight:700; cursor:pointer; }
.colleague-compose button:hover { background:#076c77; }
.challenge-timer { display:flex; justify-content:space-between; align-items:center; gap:16px; padding:13px 18px; border:1px solid #c4dfd7; background:#edf7f3; border-radius:8px; margin:0 0 20px; font-size:12px; }
.challenge-timer strong { font-size:13px; color:#245c4b; }
.challenge-timer.expired { background:#fff4ef; border-color:#efd1c2; }
.challenge-timer.expired strong { color:#a34b30; }
.time-limit-field { grid-column:1 / -1; padding:18px; border:1px solid var(--line); background:#f9fbfa; border-radius:8px; }
.time-limit-field label { display:block; margin:0 0 8px; }
.time-limit-field input { max-width:220px; }
.time-limit-field p { margin:7px 0 0; }
.preview-notice { display:inline-block; padding:9px 13px; border-radius:5px; background:#fff3e9; color:#814b2b; font-size:12px; margin:0 0 18px; }
.skill-level-editor { margin:0 0 30px; }
.skill-level-editor .section-title { margin-bottom:16px; }
.skill-level-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.skill-level-list label { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 12px; border:1px solid var(--line); border-radius:8px; font-size:12px; }
.skill-level-list select { width:auto; min-width:105px; }
.pf-skills li { display:flex; align-items:center; gap:8px; }
.pf-skill-level { display:block; width:38px; height:5px; border-radius:5px; background:#dce6e1; overflow:hidden; }
.pf-skill-level i { display:block; height:100%; background:var(--pf-color); }
.pf-skills small { font-size:9px; color:var(--pf-dark); }
.time-start-note { max-width:55ch; margin:12px 0 0; color:var(--muted); font-size:13px; line-height:1.6; }
.challenge-start-card { max-width:760px; margin:20px auto 40px; }
.challenge-start-card>p { max-width:62ch; }
.challenge-start-times { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; margin:0 0 18px; }
.challenge-start-times>div { display:grid; gap:5px; padding:16px; border:1px solid var(--line); border-radius:9px; background:#f7faf8; }
.challenge-start-times span { color:var(--muted); font-size:13px; }
.challenge-start-times strong { color:var(--dark); font-size:24px; font-variant-numeric:tabular-nums; }
.challenge-start-card .btn { margin-top:8px; }
.challenge-criteria { margin:0 0 22px; }
.draft-scope { margin:8px 0 16px; font-size:12px; line-height:1.55; }
.colleague-toggle small { font-size:12px; }
.colleague-message span { font-size:12px; }
.markdown-hint { font-size:12px; line-height:1.5; }
.markdown-toolbar button { min-width:44px; min-height:44px; font-size:13px; }
.briefing-steps { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:8px; margin:0 0 22px; padding:0; list-style:none; }
.briefing-steps li { display:flex; align-items:center; gap:8px; min-width:0; min-height:48px; padding:9px 10px; border-bottom:2px solid var(--line); color:var(--muted); font-size:12px; line-height:1.3; }
.briefing-steps li span { color:var(--teal); font-weight:700; font-variant-numeric:tabular-nums; }
.briefing-steps li[aria-current="step"] { border-color:var(--teal); color:var(--dark); font-weight:650; }
.briefing-form { display:grid; grid-template-columns:minmax(0,1.55fr) minmax(260px,.8fr); gap:26px; align-items:start; }
.briefing-form>aside { display:grid; gap:18px; }
.briefing-step-content>h2 { margin-bottom:8px; }
.briefing-selection-note { margin:0; }
.briefing-step-content>.form-grid { margin-top:20px; }
.briefing-actions { justify-content:space-between; align-items:center; border-top:1px solid var(--line); margin-top:24px; padding-top:18px; }
.briefing-actions .btn { min-width:130px; }
.briefing-actions .btn.secondary { margin-right:auto; }
.briefing-review { margin-top:18px; }
.briefing-review-meta { display:flex; flex-wrap:wrap; gap:9px 18px; margin:16px 0; color:var(--dark); font-size:13px; }
.briefing-review-section { padding:16px 0; border-top:1px solid var(--line); }
.briefing-review-section h3 { margin:0 0 8px; font-size:15px; }
.briefing-review-section ol { margin:0; padding-left:20px; }
.briefing-review-section li { margin:7px 0; }
.briefing-review-section li span { display:block; color:var(--muted); font-size:12px; }
.portfolio-deliveries { margin:0 0 18px; }
.portfolio-visibility { margin-bottom:30px; }
.portfolio-visibility .toggle { min-height:44px; }
.design-controls>summary { list-style:none; cursor:pointer; }
.design-controls>summary::-webkit-details-marker { display:none; }
.design-controls>summary:after { content:'＋'; flex:none; margin-left:auto; color:var(--teal); font-size:20px; }
.design-controls[open]>summary:after { content:'−'; }
.design-controls:not([open]) { align-self:start; }
.design-controls fieldset { margin-top:22px; }
@media(max-width:850px) {
  .briefing-form { grid-template-columns:1fr; }
  .briefing-form>aside { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .colleague-anchor { display:flex; justify-content:flex-end; margin:0 0 14px; }
  .colleague-widget { position:static; }
  .colleague-toggle { position:static; min-height:50px; max-width:100%; box-shadow:0 4px 14px #06393f24; }
}
@media(max-width:600px) {
  .form-builder .section-title { flex-direction:column; align-items:stretch; }
  .question-grid { grid-template-columns:1fr; }
  .question-grid .question-options,.question-grid .question-required { grid-column:auto; }
  .markdown-toolbar { gap:2px; }
  .markdown-toolbar button { font-size:13px; padding:7px 8px; }
  .colleague-toggle { border-radius:13px; }
  .colleague-toggle .colleague-avatar { width:35px; height:35px; }
  .colleague-popup { right:12px; bottom:78px; width:calc(100vw - 24px); height:min(510px,calc(100dvh - 100px)); }
  .skill-level-list { grid-template-columns:1fr; }
  .briefing-steps { gap:3px; }
  .briefing-steps li { display:grid; align-content:center; gap:3px; padding:7px 5px; font-size:10px; }
  .briefing-steps li span { font-size:11px; }
  .briefing-form>aside { grid-template-columns:1fr; }
  .briefing-form:not(.briefing-template-step) .briefing-actions { position:sticky; bottom:0; z-index:5; padding:12px 0 max(12px,env(safe-area-inset-bottom)); background:white; }
  .briefing-actions .btn { min-width:0; }
  .challenge-start-times { gap:8px; }
  .challenge-start-times>div { padding:12px; }
  .challenge-start-times strong { font-size:21px; }
}

/* The challenge has one active task at a time. */
.challenge-layout-staged { grid-template-columns:minmax(0,1fr); max-width:900px; margin-inline:auto; }
.challenge-panel { min-width:0; scroll-margin-top:94px; }
.challenge-panel[hidden],#delivery-form[hidden],.success-banner[hidden],.feedback-panel[hidden] { display:none!important; }
.challenge-panel-actions { justify-content:flex-end; margin-top:22px; }
.challenge-panel-actions .btn:first-child:not(:last-child) { margin-right:auto; }
.challenge-solution-panel .solution-heading { margin-bottom:14px; }
.challenge-solution-panel .challenge-criteria { margin:18px 0 22px; padding:20px 0 0; border-top:1px solid var(--line); }
.challenge-reference { margin:18px 0 22px; padding:0 16px; border:1px solid var(--line); border-radius:9px; background:#f7faf8; }
.challenge-reference>summary { min-height:48px; display:flex; align-items:center; cursor:pointer; font-weight:650; color:var(--dark); }
.challenge-reference[open] { padding-bottom:14px; }
.challenge-reference .reference-copy { margin-top:14px; }
.challenge-reference .facts { margin:14px 0; }
.challenge-reference .tasks { margin:12px 0; }
.challenge-reference .challenge-resources { padding-top:16px; border-top:1px solid var(--line); }
.challenge-answer-recap { padding-bottom:19px; margin-bottom:20px; border-bottom:1px solid var(--line); }
.challenge-answer-recap h2 { margin:0 0 8px; }
.challenge-answer-recap p { margin:6px 0; }
#delivery-summary { color:var(--dark); font-weight:650; font-variant-numeric:tabular-nums; }
.challenge-delivery-panel .form-actions { flex-wrap:wrap; }

/* Keep the deadline in view without making the colleague control float over work. */
.challenge-timer { position:sticky; top:10px; z-index:30; background:#edf7f3; font-variant-numeric:tabular-nums; }
.colleague-anchor { display:flex; justify-content:flex-end; margin:-6px 0 14px; }
.colleague-widget { position:relative; }
.colleague-toggle { position:static; min-height:44px; padding:6px 12px; border:1px solid var(--line); border-radius:9px; background:#fff; color:var(--dark); box-shadow:none; font-size:12px; }
.colleague-toggle:hover,.colleague-toggle[aria-expanded=true] { background:#eaf5f1; color:var(--dark); }
.colleague-toggle .colleague-avatar { width:27px; height:27px; border-radius:7px; font-size:13px; }
.colleague-toggle small,.colleague-open-icon { display:none; }
@media(max-width:600px) {
  .challenge-timer { top:0; margin-inline:-4px; padding:9px 12px; font-size:11px; }
  .challenge-timer strong { font-size:12px; }
  .challenge-panel-actions { gap:8px; }
  .challenge-panel-actions .btn { min-height:44px; }
  .challenge-delivery-panel .form-actions { position:sticky; bottom:0; z-index:10; padding:12px 0 max(12px,env(safe-area-inset-bottom)); background:white; }
}