:root{--ink:#152238;--navy:#12324c;--muted:#526680;--line:#cbd7e1;--orange:#ff6333;--wash:#eef3f6;--green:#267550;--amber:#9a6410}*{box-sizing:border-box}body{margin:0;background:var(--wash);color:var(--ink);font:500 15px/1.5 Arial,sans-serif}.challenge-header{border-bottom:1px solid var(--line);background:#fff}.challenge-header>div{max-width:1320px;margin:auto;padding:17px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.challenge-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:900}.challenge-brand span{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--navy);color:#fff}.challenge-header nav{display:flex;flex-wrap:wrap;gap:16px}.challenge-header nav a{color:var(--ink);font-size:13px;font-weight:800}.challenge-main{max-width:1320px;margin:auto;padding:34px 24px 70px}.challenge-hero{padding:30px;border:1px solid var(--line);border-radius:18px;background:#fff}.challenge-hero>span,.challenge-section-head>div>span,.challenge-card>span,.bridge-panel>span{color:var(--orange);font-size:10px;font-weight:900;letter-spacing:.14em}.challenge-hero h1{margin:5px 0 9px;font-size:clamp(34px,5vw,54px);line-height:1.02}.challenge-hero>p{max-width:920px;margin:0;color:var(--muted);font-size:17px}.challenge-principles{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.challenge-principles strong{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#f5f8fa;font-size:12px}.challenge-gate,.challenge-view{margin-top:20px;padding:22px;border:1px solid var(--line);border-radius:15px;background:#fff}.challenge-tabs{position:sticky;top:0;z-index:5;display:flex;gap:6px;margin-top:18px;padding:7px;border:1px solid var(--line);border-radius:13px;background:#fff}.challenge-tabs button{min-height:42px;padding:0 15px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink);font-weight:850;cursor:pointer}.challenge-tabs button:hover{background:#f5f8fa}.challenge-tabs button[aria-selected=true]{background:var(--navy);color:#fff}.challenge-section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}.challenge-section-head h2{margin:3px 0 3px;font-size:28px;line-height:1.1}.challenge-section-head p{margin:0;color:var(--muted)}.challenge-section-head label{display:grid;gap:5px;min-width:230px;color:#33465c;font-size:12px;font-weight:800}.challenge-section-head select,.challenge-form input,.challenge-form select,.challenge-form textarea,.member-form input,.member-form select,.milestone-form input,.milestone-form textarea,.update-form input,.update-form select,.update-form textarea,.feedback-form input,.feedback-form select,.feedback-form textarea{width:100%;min-height:44px;padding:9px 11px;border:1px solid #afc0cf;border-radius:9px;background:#fff;color:var(--ink);font:500 14px/1.45 inherit}.challenge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.challenge-card{display:flex;flex-direction:column;min-height:245px;padding:18px;border:1px solid var(--line);border-radius:13px;background:#f8fafb}.challenge-card.bridge{border-left:4px solid #e4ad18}.challenge-card h3{margin:5px 0 3px;font-size:20px;line-height:1.16}.challenge-card h3 button{padding:0;border:0;background:transparent;color:var(--ink);font:inherit;text-align:left;cursor:pointer}.challenge-card .partner{margin:0 0 12px;color:var(--muted);font-size:12px;font-weight:800}.challenge-card .summary{margin:0 0 14px}.challenge-card .card-meta{display:flex;flex-wrap:wrap;gap:6px;margin:auto 0 13px}.challenge-card .card-meta span,.status-pill{padding:5px 8px;border-radius:999px;background:#e6edf2;color:#33465c;font-size:10px;font-weight:850}.challenge-card .card-actions{display:flex;gap:8px}.challenge-card button,.button-link,.challenge-form button,.dialog-actions button,.member-form button,.milestone-form button,.update-form button,.feedback-form button,.secondary{min-height:42px;padding:0 15px;border:1px solid #afc0cf;border-radius:9px;background:#fff;color:var(--ink);font-weight:850;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.challenge-card button.primary,.button-link,.challenge-form button.primary,.dialog-actions button.primary,.member-form button.primary,.milestone-form button.primary,.update-form button.primary,.feedback-form button.primary{border-color:var(--navy);background:var(--navy);color:#fff}.challenge-form{padding:20px;border:1px solid var(--line);border-radius:13px;background:#f8fafb}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid label,.member-form label,.milestone-form label,.update-form label,.feedback-form label{display:grid;gap:6px;color:#33465c;font-size:12px;font-weight:800}.form-grid .wide{grid-column:1/-1}.form-grid .check{display:flex;align-items:center;gap:9px;align-self:end;min-height:44px}.form-grid .check input{width:18px;min-height:18px}.form-grid small{color:var(--muted)}.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:18px}.form-actions p{margin-right:auto;color:var(--green);font-weight:750}.form-actions p.error{color:#a43c35}button:disabled{opacity:.5;cursor:not-allowed}.challenge-dialog{width:min(1040px,calc(100% - 30px));max-height:90vh;padding:0;border:1px solid var(--line);border-radius:17px;box-shadow:0 22px 80px #10283d55}.challenge-dialog::backdrop{background:#10283daa;backdrop-filter:blur(3px)}.dialog-close{position:sticky;float:right;top:14px;z-index:2;width:42px;height:42px;margin:14px 14px 0 0;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:26px;cursor:pointer}.challenge-detail{padding:30px}.challenge-detail h2{max-width:800px;margin:5px 0;font-size:34px;line-height:1.08}.challenge-detail .lead{max-width:850px;color:var(--muted);font-size:16px}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-top:20px}.detail-section{padding:18px;border:1px solid var(--line);border-radius:12px;background:#f8fafb}.detail-section h3{margin:0 0 8px}.detail-section p{white-space:pre-line}.detail-section.full{grid-column:1/-1}.detail-tags{display:flex;flex-wrap:wrap;gap:6px}.detail-tags span{padding:6px 9px;border-radius:999px;background:#e6edf2;font-size:11px;font-weight:800}.dialog-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.challenge-workspace{margin-top:20px}.challenge-workspace details{margin-top:10px;padding:15px;border:1px solid var(--line);border-radius:11px;background:#fff}.challenge-workspace summary{font-weight:900;cursor:pointer}.member-form,.milestone-form,.update-form,.feedback-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:13px}.member-form .wide,.milestone-form .wide,.update-form .wide,.feedback-form .wide{grid-column:1/-1}.milestone-list,.update-list,.member-list{display:grid;gap:8px;margin-top:12px}.record-row{padding:12px;border:1px solid var(--line);border-radius:9px;background:#f8fafb}.record-row strong{display:block}.record-row small{color:var(--muted)}.challenge-footer{border-top:1px solid var(--line);background:#fff}.challenge-footer>div{max-width:1320px;margin:auto;padding:24px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.challenge-footer p{margin:3px 0}.empty-state{grid-column:1/-1;padding:24px;border:1px dashed #afc0cf;border-radius:12px;color:var(--muted);text-align:center}.error-state{color:#a43c35}.review-card{border-top:4px solid var(--orange)}@media(max-width:900px){.challenge-grid{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:1fr}.detail-section.full{grid-column:auto}}@media(max-width:680px){.challenge-header>div,.challenge-section-head,.challenge-footer>div{align-items:flex-start;flex-direction:column}.challenge-main{padding:20px 12px 50px}.challenge-hero,.challenge-view{padding:17px}.challenge-tabs{position:static;overflow:auto}.challenge-grid,.form-grid,.member-form,.milestone-form,.update-form,.feedback-form{grid-template-columns:1fr}.form-grid .wide,.member-form .wide,.milestone-form .wide,.update-form .wide,.feedback-form .wide{grid-column:auto}.challenge-section-head label{width:100%;min-width:0}.form-actions{align-items:stretch;flex-direction:column}.form-actions p{margin-right:0}.challenge-detail{padding:22px 16px}.challenge-detail h2{font-size:28px}}
.sync-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:13px;padding:15px;border:1px solid #cbd7e1;border-radius:12px;background:#f7fafc}.sync-form label{display:grid;gap:5px;font-size:12px;font-weight:800}.sync-form .wide{grid-column:1/-1}.sync-form input,.sync-form select,.sync-form textarea{width:100%;padding:10px;border:1px solid #afc0cf;border-radius:9px;background:#fff;color:#152238;font:inherit}.sync-form p{margin:0;align-self:center;color:#526680;font-size:12px}@media(max-width:650px){.sync-form{grid-template-columns:1fr}.sync-form .wide{grid-column:auto}}