.challenge-intro{display:flex;justify-content:space-between;gap:30px;align-items:center}.challenge-intro h1{font-size:32px}.challenge-progress{min-width:150px;border-left:1px solid #d9e2d2;padding-left:25px}.challenge-progress strong{font-size:30px;line-height:1.3;font-weight:650}.challenge-progress strong small{font-size:13px;color:#8c9b82;font-weight:400}.challenge-progress p{font-size:10px;margin:3px 0 0}.challenge-tabs{display:flex;gap:8px;margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:13px}.challenge-tab{padding:12px 21px;border-radius:7px;color:#70806b;font-weight:600;font-size:13px;display:flex;gap:12px;align-items:center;min-height:45px}.challenge-tab small{font-size:9px;letter-spacing:.8px;opacity:.65}.challenge-tab.active{background:#203b33;color:#edf4df}.challenge-tab.active small{color:#caed91}.challenge-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:20px}.challenge-card{background:#fff;border:1px solid var(--line);border-radius:10px;text-align:left;padding:20px;display:block;width:100%;transition:background .15s,border-color .15s}.challenge-card:hover{border-color:#bacba9;background:#fbfdf7}.challenge-card.active{background:#f0f6e7;border-color:#b3c995;box-shadow:inset 0 0 0 1px #b3c995}.challenge-card-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#7c8e6c}.challenge-card-number{font-family:Georgia,serif;font-size:24px;color:#8ba66e}.challenge-card h3{font-size:15px;margin:10px 0 7px}.challenge-card p{font-size:11px;color:#819075;margin:0}.challenge-card-status{font-size:10px;padding:3px 7px;background:#eaf0e2;border-radius:4px}.challenge-card.complete .challenge-card-status{background:#dcebbf;color:#486630}.challenge-workbench{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);border:1px solid var(--line);border-radius:12px;overflow:hidden;background:white}.challenge-drawing{background:#eaf0e7;padding:20px 25px 13px;display:flex;flex-direction:column;justify-content:center}.challenge-drawing-title{font-size:10px;color:#758b68;letter-spacing:1px;display:flex;justify-content:space-between;gap:10px}.challenge-drawing svg{display:block;width:100%;height:auto;max-height:360px}.challenge-drawing-note{font-size:9px;color:#8b9980;margin:5px 0 0}.challenge-task{padding:30px 28px}.challenge-task .eyebrow{font-size:9px}.challenge-task h2{font-size:21px;line-height:1.5;margin:11px 0}.challenge-task>p{font-size:12px;color:#7e8e72;line-height:1.9}.challenge-answers{display:flex;gap:9px;margin:18px 0}.challenge-answer{min-width:57px;min-height:49px;border:1px solid #dce4d4;border-radius:7px;background:#fbfcf8;font-weight:700;font-size:17px;color:#647858}.challenge-answer:hover{background:#eaf3db}.challenge-answer.is-correct{background:#dcefc0;border-color:#9abd70;color:#436528}.challenge-answer.is-wrong{background:#faeee3;border-color:#dfbf9d;color:#956d46}.challenge-feedback{font-size:11px;color:#5e7949;line-height:1.9;padding:12px 14px;background:#edf5e2;border-radius:6px;margin:12px 0}.challenge-feedback.is-wrong{background:#fbf1e7;color:#987652}.challenge-feedback:empty{display:none}.challenge-step-label{font-size:10px;color:#7a8d69;display:flex;align-items:center;gap:8px;margin-top:17px}.challenge-step-label>span{background:#e8efdf;border-radius:50%;height:21px;width:21px;display:inline-grid;place-items:center;color:#526e3c;font-size:10px}.challenge-hint{margin:14px 0;font-size:11px;color:#819171}.challenge-hint summary{cursor:pointer;min-height:27px}.challenge-hint p{padding:8px 0 0;line-height:1.9;margin:0}.challenge-reward-note{font-size:10px;color:#88977a;margin-top:17px}.challenge-note{display:flex;gap:10px;background:#edf1e7;border:1px solid #e0e7d7;border-radius:7px;padding:15px 17px;color:#7a8b6d;line-height:1.9;font-size:11px;margin:19px 0 25px}.challenge-note strong{color:#5d7648;white-space:nowrap}.challenge-source{font-size:11px;color:#849278;margin:24px 0 35px}.challenge-source summary{cursor:pointer;font-weight:600;min-height:30px}.challenge-source p{font-size:10px;line-height:1.8}.challenge-source a{display:inline-block;margin:5px 16px 5px 0;color:#677c53;text-decoration:underline;text-underline-offset:3px}.challenge-storage-warning{font-size:11px;color:#9c7650;background:#fff5df;border:1px solid #ead7b1;border-radius:5px;padding:11px 14px;margin-bottom:15px}.mission-dock{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid #b2ca8c;border-radius:9px;padding:15px 19px;background:#eef6df;margin-bottom:16px}.mission-dock-main{display:flex;gap:14px;align-items:center}.mission-dock-icon{width:34px;height:34px;display:grid;place-items:center;flex:none;background:#d6e9b4;border-radius:50%;font-size:18px;color:#5e7b3f}.mission-dock h2{font-size:13px;margin:0}.mission-dock p{font-size:10px;color:#73865f;margin:3px 0 0}.mission-dock-actions{display:flex;align-items:center;gap:15px;flex:none}.mission-dock .text-link{font-size:10px}.mission-dock-close{font-size:20px;color:#81916f;min-height:35px;min-width:30px}.mission-dock.complete{background:#e0efc8;border-color:#9ebd74}.timing-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:20px}.timing-stage{background:#1d3438;border:1px solid #294448;border-radius:12px;padding:22px 25px;color:#ebf3e0}.timing-stage-head{display:flex;justify-content:space-between;gap:15px;align-items:center}.timing-stage-head h2{font-size:16px;margin:0}.timing-stage-head p{font-size:9px;color:#90a99c;margin:4px 0 0}.timing-angle-badge{font-family:Georgia,serif;font-size:30px;line-height:1.3;color:#d0ee9d;white-space:nowrap}.timing-stage svg{width:100%;height:auto;max-height:330px;display:block}.timing-stage .timing-engine-label{fill:#9cb8a6;font-size:10px}.timing-legend{display:flex;gap:18px;justify-content:center;font-size:10px;color:#b7cbb8;margin-top:6px}.timing-legend span{display:flex;align-items:center;gap:6px}.timing-legend i{width:17px;height:3px;background:#caed83;display:inline-block}.timing-legend .ghost{border-top:2px dashed #afbdaf;height:0;background:none}.timing-controls{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.timing-controls h2{font-size:17px;margin:0 0 9px}.timing-controls>p{font-size:11px;color:#7c8d70;line-height:1.9}.timing-mode{display:flex;gap:6px;margin:16px 0 20px}.timing-mode button{border:1px solid #dce5d3;background:#f7faf2;border-radius:6px;flex:1;font-size:10px;min-height:49px;line-height:1.7;padding:6px 3px}.timing-mode button strong{font-size:11px;display:block}.timing-mode button.active{background:#e2efcc;border-color:#aac785;color:#4c6c30}.timing-range-label{display:flex;justify-content:space-between;font-size:11px;color:#748662}.timing-range-label output{font-weight:700;color:#4b6941}.timing-controls input[type=range]{accent-color:#739e48;width:100%;margin:13px 0;min-height:28px}.timing-play-row{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}.timing-play-row span{font-size:10px;color:#8b997b}.timing-play-row button{font-size:11px;padding:9px 15px;min-height:38px}.timing-status{border-top:1px solid var(--line);padding-top:11px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.timing-status div{padding:8px 10px;background:#f4f7ef;border-radius:5px}.timing-status dt{font-size:9px;color:#8a997b}.timing-status dd{font-size:12px;margin:4px 0 0;color:#567245}.timing-observation{font-size:11px!important;background:#f3f7e9;padding:12px;border-left:3px solid #b7d88d;border-radius:3px;min-height:91px;margin-bottom:0}.timing-chart{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin-top:19px}.timing-chart h3{font-size:13px;margin:0 0 8px}.timing-chart svg{display:block;width:100%;height:auto;max-height:190px}.timing-chart p{font-size:9px;color:#8a9a7b;margin:5px 0}.timing-check{background:#fff;border:1px solid var(--line);border-radius:10px;padding:25px;margin-top:19px}.timing-check h3{font-size:15px;margin:0 0 10px}.timing-check>p{font-size:11px;color:#7e906e}.timing-choices{display:grid;gap:8px;margin-top:15px}.timing-choice{padding:12px 15px;min-height:44px;border:1px solid #dce5d3;border-radius:7px;background:#fbfcf8;text-align:left;font-size:12px;display:flex;gap:12px;line-height:1.8}.timing-choice>span:first-child{font-size:10px;color:#92a27f;border:1px solid #dce5d3;width:23px;height:23px;display:grid;place-items:center;flex:none;border-radius:4px}.timing-choice:hover{background:#f0f6e5}.timing-choice.is-correct{border-color:#a6c77b;background:#edf6df}.timing-choice.is-wrong{border-color:#dfbf9d;background:#fcf1e6}.timing-check-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:17px;font-size:10px;color:#8c997d}.timing-status-text{font-weight:600;color:#94b965}.challenge-svg-letter{font-weight:700;font-size:16px;fill:#f3f8e9}.challenge-drawing .challenge-svg-caption{font-size:11px;fill:#829575}.challenge-svg-selected{fill:#d0ec9c!important}.challenge-svg-selected+text{fill:#314b29!important}
@media(max-width:1050px){.challenge-workbench{grid-template-columns:minmax(0,1fr) minmax(270px,1fr)}.challenge-task{padding:25px 22px}.timing-layout{grid-template-columns:minmax(0,1fr) minmax(280px,1fr)}.timing-stage{padding:20px 16px}.timing-controls{padding:21px 18px}.challenge-intro h1{font-size:29px}}
@media(max-width:760px){.challenge-intro{gap:15px}.challenge-intro h1{font-size:25px}.challenge-progress{min-width:95px;padding-left:15px}.challenge-progress strong{font-size:25px}.challenge-overview{gap:8px}.challenge-card{padding:14px 11px}.challenge-card h3{font-size:12px}.challenge-card p{font-size:9px}.challenge-card-status{font-size:8px;padding:3px 4px}.challenge-card-number{font-size:19px}.challenge-workbench,.timing-layout{grid-template-columns:1fr}.challenge-drawing{padding:19px 20px 14px}.challenge-drawing svg{max-height:290px}.challenge-task{padding:23px}.timing-stage svg{max-height:290px}.timing-controls{padding:23px}.challenge-note{display:block;font-size:10px}.challenge-note strong{display:block;margin-bottom:5px}.mission-dock{padding:12px 13px;gap:8px;align-items:flex-start}.mission-dock-main{gap:10px}.mission-dock h2{font-size:11px}.mission-dock p{font-size:9px}.mission-dock-actions{gap:5px;flex-wrap:wrap;justify-content:flex-end;max-width:100px}.mission-dock-icon{width:28px;height:28px;font-size:15px}.mission-dock .text-link{font-size:9px}.challenge-tab{font-size:12px;padding:11px 15px;gap:8px}.challenge-tab small{font-size:8px}.timing-check{padding:20px}.timing-choice{font-size:11px}.timing-check-actions{gap:13px;align-items:flex-start}.timing-check-actions .button{flex:none;font-size:10px;gap:9px;padding:10px 12px}}
@media(max-width:420px){.challenge-progress{display:none}.challenge-overview{grid-template-columns:1fr}.challenge-card{padding:13px 15px;display:grid;grid-template-columns:70px 1fr;column-gap:10px;align-items:center}.challenge-card-top{grid-row:1/3;display:block}.challenge-card-number{font-size:21px;display:block}.challenge-card-status{font-size:8px;display:inline-block}.challenge-card h3{margin:0 0 4px;font-size:13px}.challenge-card p{font-size:10px}.challenge-tabs{gap:4px}.challenge-tab{flex:1;justify-content:center;padding:11px 8px}.challenge-tab small{display:none}.timing-stage-head h2{font-size:14px}.timing-angle-badge{font-size:26px}.timing-check-actions{display:block}.timing-check-actions .button{margin-top:12px}.challenge-task h2{font-size:19px}}