/* Clear surfaces, compact navigation and one stable mobile column. */
:root{--line:#3b4b58;--muted:#bac6cf}
.terminal-symbol,.primary-button span[aria-hidden],.setup-flow i,.checkpoint .lesson-number,.setup-heading .eyebrow,.setup-callout .eyebrow{display:none}.checkpoint{grid-template-columns:1fr!important}.flow-sequence{font-size:15px;color:#b9d9a7}.flow-node{grid-template-columns:24px 1fr!important;text-align:left!important}
body{background:#080c12;line-height:1.65}
.sidebar{background:#101923;width:220px;padding:24px 16px;border-color:#394956}
.side-caption,.side-active,.side-note,.side-bottom,.edition,.heading-mark,.page-heading .eyebrow,.platform-number,.selection-label,.learning-route,.action-label,.visual-flow-head,.flow-node small,.edit-guidance,.bottom-note,#field-count,#char-count,.route-chip{display:none}
.path-button small{display:none}.path-button{align-items:center;min-height:50px;border:1px solid #3d4e5d;background:#1b2733;font-size:16px;font-weight:600;padding:12px;text-decoration:none}.path-button.active{background:#7cff3d;color:#12200c;border-color:#7cff3d}.path-button.active .nav-no{color:#12200c}.nav-no{display:none}
main{max-width:1180px;padding:28px 32px}.topbar{height:58px;padding-inline:32px}.page-heading{margin-bottom:24px}.page-heading h1{font-size:38px}.page-heading p{max-width:none}.learning-intro h2{font-size:30px}.learning-intro p{margin-bottom:18px}
#start-view,#setup-view{border-top:0;padding-top:0}.platform-picker{gap:12px;margin-bottom:24px}.platform-choice{min-height:76px;padding:18px;border:2px solid #637687;background:#1e2b39;gap:6px}.platform-choice>span:not(.platform-brand),.platform-choice>small{display:none}.platform-choice .platform-brand strong{font:600 23px/1.3 var(--body)}.platform-choice.selected{background:var(--platform);border-color:var(--platform)}.platform-choice.selected .platform-brand strong{color:#101820}.platform-brand{gap:12px}.platform-brand img{width:30px;height:30px}
.lesson-list{gap:18px}.lesson-card{padding:26px;gap:18px;background:#1a2632;border:1px solid #465c6d;border-radius:12px;grid-template-columns:44px minmax(0,1fr)}.lesson-body{min-width:0}.lesson-number{width:40px;height:40px;font-size:23px;background:#0d1620}.lesson-body h3{font:600 23px/1.35 var(--body);margin:3px 0 10px}.lesson-body p{margin:0 0 18px;color:#d0dbe3}.lesson-body .pending-label{font-size:14px;margin-top:12px!important;color:#b7c4ce}.lesson-body .instruction-note{margin-top:16px}.checkpoint{background:#131d27;border-style:dashed}.checkpoint .action-label{display:none}#checkpoint-status:empty{display:none}.checkpoint h3{font-size:20px}
.primary-button,.secondary-button,.quiet-button{min-height:46px;border-radius:8px;font-size:16px;font-weight:600;white-space:normal}.primary-button{background:#7cff3d;color:#11200a;padding:12px 20px}.secondary-button,#start-view .secondary-button{background:#e5edf4;border:1px solid #e5edf4;color:#182630;padding:12px 20px}.quiet-button{padding:9px 13px;border:1px solid #71818d;background:#263644;color:#f0f5f8}.primary-button:disabled,#start-view .primary-button:disabled{background:#293644;border:1px dashed #8795a0;color:#c8d2da;opacity:.8}
.hybrid-note{background:#141f2a;border-color:#425969}.hybrid-note h3{font-size:20px}.hybrid-note a{font-size:16px}.setup-notice{padding:16px;background:#2d291b}.draft-badge{display:none}.resource-card{background:#1a2632;border-color:#465c6d}.resource-label,.destination>span,.download-note{display:none}.resource-top{margin-bottom:10px}.resource-card h3{font-size:28px}.setup-flow{font-size:16px}.platform-heading{flex-wrap:wrap}
.route-summary{background:#17261b;border-color:#4b6e40;padding:18px}.route-number{display:none}.work-area{background:#17212c;border-color:#4c6172}.work-heading{padding:22px}.work-heading h2{font-size:28px}.tool-badge{display:inline-flex;align-items:center;gap:7px;min-width:auto;padding:8px 10px;border:1px solid #536775;border-radius:8px;background:#1b2834;color:#eaf2f6;font:700 12px/1 var(--body);letter-spacing:.08em}.tool-badge svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tool-badge.tool-chat{color:#b9dcff}.tool-badge.tool-code{color:#baff9a}.prompt-grid{grid-template-columns:minmax(260px,35%) minmax(0,1fr)}.input-panel{background:#202e3c;border-color:#516574;padding:24px}.editor-panel{background:#0c141d}.panel-heading h3{font-size:18px}.field label{font-size:16px}.field input,.field select,.field textarea{background:#0b131d;border:1px solid #83929e;min-height:48px;font-size:16px}.field{min-width:0}.helper,.asset-note,.after-copy{font-size:15px;color:#ced8df}.asset-note{border-color:var(--platform)}.prompt-preview pre{font-size:16px}.edit-status{font-size:14px}.editor-footer{gap:12px}.editor-actions{width:100%;justify-content:flex-end;flex-wrap:wrap}.preview-controls{gap:12px;padding:12px 20px;flex-wrap:wrap}.preview-controls button{font-size:15px;color:#eff5f8}
.idea-source-picker{margin:0 0 24px;padding:22px;border:1px solid #4c6172;border-radius:12px;background:#111a23}.idea-source-picker h2{margin:0 0 16px;font:600 20px/1.35 var(--body);color:#f1f6f8}.idea-source-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.idea-source-options button{min-width:0;min-height:112px;padding:18px;text-align:left;border:2px solid #536775;border-radius:10px;background:#1b2834;color:#edf4f7}.idea-source-options button[aria-checked=true]{border-color:#7cff3d;background:#1b3021;box-shadow:inset 4px 0 0 #7cff3d}.idea-source-options strong,.idea-source-options span,.idea-source-options small{display:block}.idea-source-options strong{font:600 19px/1.35 var(--body)}.idea-source-options span{margin-top:3px;color:#c4d0d7;font-size:15px}.idea-source-options small{margin-top:14px;color:#dbe8d5;font:600 14px/1.4 var(--body)}.idea-source-options small b{padding:0 4px;color:#7cff3d}.idea-code-choice{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;padding:12px 14px;border:1px solid #455866;border-radius:9px;background:#17222c}.idea-code-choice>span{color:#cbd6dc;font-size:15px;font-weight:600}.idea-code-choice>div{display:flex;gap:8px}.idea-code-choice button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 14px;border:1px solid #607483;border-radius:7px;background:#22313e;color:#eaf1f5;font:600 14px/1.2 var(--body)}.idea-code-choice button[aria-pressed=true]{border-color:#7cff3d;background:#284125;color:#fff}.idea-code-choice img{width:22px;height:22px;object-fit:contain}.idea-route-note{margin:12px 0 0;padding:12px 14px;border-left:3px solid #7cff3d;background:#0c141b;color:#d4dfe5;font-size:15px;line-height:1.55}
.destination-picker{background:#172534;margin:20px;border:1px solid #67839a;border-left:4px solid var(--platform)}.destination-picker>div:first-child p{margin:0 0 14px}.destination-picker small{display:none}.destination-picker button{flex:1;justify-content:center}.visual-flow{background:#15221e;border-color:#435d51}.flow-node{background:#1e3028;border-color:#567161;grid-template-columns:30px 1fr;align-items:center}.flow-icon{grid-row:auto}.flow-node b{font-size:15px}.flow-node.result{background:#294120}.step-button{background:#243340;border-color:#526372;color:#e1e8ee;min-height:50px;font-size:14px}.step-button.active{background:#7cff3d;color:#12200c;border-color:#7cff3d}.step-button.active span{color:#12200c}.flow-footer>span{display:none}.flow-footer{padding-top:20px;justify-content:space-between}.flow-footer #next{margin-left:auto}.toast{overflow-wrap:anywhere}.handoff-inner{max-width:none}.platform-credit{font-size:12px}
@media(max-width:1050px){.prompt-grid{grid-template-columns:1fr}.input-panel{border-right:0;border-bottom:1px solid #516574}#fields{grid-template-columns:repeat(2,minmax(0,1fr))}.field:last-child{grid-column:1/-1}}
@media(max-width:850px){.sidebar{position:static;width:100%;height:auto;display:block;padding:14px 20px}.sidebar .brand{display:none}.sidebar nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.sidebar nav .path-button{justify-content:center;text-align:center;font-size:14px;padding:10px 8px;min-width:0}.topbar{height:48px}main{padding:24px}.platform-choice{min-height:74px}.flow-node{grid-template-columns:1fr;text-align:center}}
@media(max-width:600px){.sidebar{padding:12px}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.sidebar nav .path-button{font-size:15px;min-height:46px}.topbar{padding-inline:16px}main{padding:22px 16px}.page-heading h1{font-size:32px}.page-heading p{font-size:16px}.learning-intro h2{font-size:26px}.platform-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.platform-choice{padding:14px 10px;min-height:78px;border-left-width:2px!important}.platform-brand{gap:8px;flex-wrap:wrap}.platform-choice .platform-brand strong{font-size:17px}.platform-brand img{width:26px;height:26px}.lesson-card{display:block;padding:20px}.lesson-number{margin-bottom:14px}.lesson-body h3{font-size:22px}.lesson-body button,.lesson-body a{width:100%;text-align:center}.checkpoint-actions{display:grid;gap:10px}.hybrid-note{padding:18px;gap:12px}.hybrid-note p{font-size:16px}.idea-source-picker{padding:18px}.idea-source-picker h2{font-size:18px}.idea-source-options{grid-template-columns:1fr}.idea-source-options button{min-height:96px;padding:15px}.idea-code-choice{align-items:stretch;flex-direction:column;gap:9px}.idea-code-choice>div{display:grid;grid-template-columns:1fr 1fr}.idea-code-choice button{padding-inline:8px}.work-heading{flex-wrap:wrap;padding:18px}.work-heading h2{font-size:26px}.tool-badge{font-size:11px;padding:7px 9px}.tool-badge svg{width:20px;height:20px}.destination-picker{margin:14px;padding:16px}.destination-picker>div[role=group]{display:grid;grid-template-columns:1fr 1fr;gap:8px}.destination-picker button{font-size:14px;padding:12px 8px;gap:7px;min-width:0}.input-panel{padding:20px}#fields{grid-template-columns:1fr}.field:last-child{grid-column:auto}.step-strip{grid-template-columns:repeat(3,minmax(0,1fr));padding:10px;gap:6px}.step-button{font-size:13px;padding:10px 4px}.step-button span{display:block;margin:0 0 3px}.visual-flow{padding:12px;margin:14px}.flow-track{display:grid;grid-template-columns:1fr;gap:8px}.flow-node{grid-template-columns:28px 1fr;text-align:left;padding:12px}.flow-arrow{display:none}.flow-node b{font-size:15px}.prompt-preview pre{padding:18px;font-size:16px}.editor-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.preview-controls{justify-content:space-between}.editor-panel .panel-heading{padding:18px;flex-wrap:wrap}.route-copy h2{font-size:18px}.route-copy p{font-size:15px}.setup-flow{flex-wrap:wrap;gap:8px;font-size:14px}.setup-flow span{min-width:0}.setup-callout a{white-space:normal;max-width:100%}.resource-top{flex-wrap:wrap}.resource-grid{grid-template-columns:1fr}.platform-credit{padding-inline:16px}footer{flex-wrap:wrap}.handoff-inner{padding:20px}.handoff-inner ol{padding-left:22px}}
.setup-platform-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.resource-links{display:grid;gap:10px}.resource-links a{text-decoration:none;display:block;text-align:center;white-space:normal;overflow-wrap:anywhere}.resource-card{min-width:0}.resource-card .destination{margin-bottom:20px}
@media(max-width:600px){.setup-platform-picker{grid-template-columns:1fr}.setup-platform-picker .platform-choice{min-height:60px}.setup-platform-picker .platform-brand{justify-content:center}}
.setup-copy-preview{margin-top:4px}.setup-copy-preview summary{cursor:pointer;font-size:16px;color:#dae5ee;padding:10px 0}.setup-copy-preview textarea{box-sizing:border-box;width:100%;resize:vertical;min-height:220px;padding:16px;border:1px solid #617487;border-radius:8px;background:#0b141d;color:#edf3f8;font:16px/1.6 var(--body)}.setup-copy-status:empty{display:none}.resource-card .setup-copy-status{font-size:15px;color:#dce8f3;margin:4px 0}
.setup-purpose-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.setup-purpose{min-width:0;padding:20px;border:1px solid #4b5f70;border-radius:12px}.setup-purpose-chat{background:#122133;border-top:4px solid #8fc4ff}.setup-purpose-code{background:#15251c;border-top:4px solid #7cff3d}.setup-purpose-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px}.setup-purpose-heading h3{margin:0;font:700 24px/1.25 var(--body);color:#f4f8fb}.setup-purpose-heading p{margin:0;color:#c9d4dc;font-size:16px}.setup-purpose .setup-platform-picker{display:grid;grid-template-columns:1fr;gap:10px;margin:0}.setup-purpose .platform-choice{display:flex;align-items:center;min-height:62px;padding:14px 16px;text-align:left;border:2px solid #607486;border-radius:9px;background:#1e2b39;color:#f2f6fa}.setup-purpose .platform-choice .platform-brand{justify-content:flex-start}.setup-purpose .platform-choice .platform-brand strong{font:700 19px/1.3 var(--body);color:inherit}.setup-purpose .platform-choice.selected{background:var(--platform);border-color:var(--platform);color:#101820}.setup-purpose .platform-choice[aria-pressed=false]:hover{border-color:#d8e4ec}.setup-purpose .platform-choice:focus-visible{outline:3px solid #7cff3d;outline-offset:4px}#platform-resources{grid-template-columns:1fr}#platform-resources .resource-card{padding:26px}.resource-links{grid-template-columns:repeat(2,minmax(0,1fr))}.resource-links>.setup-copy-preview,.resource-links>.setup-copy-status{grid-column:1/-1}.resource-links>button{grid-column:1/-1}
@media(max-width:600px){.setup-mode-picker button{padding:14px}.setup-mode-picker strong{font-size:21px}.setup-mode-picker span{font-size:15px}.setup-platform-picker{grid-template-columns:1fr 1fr}.setup-platform-picker .platform-brand strong{font-size:16px}.setup-platform-picker .platform-brand{flex-direction:column}.resource-links{grid-template-columns:1fr}#platform-resources .resource-card{padding:20px}}
@media(max-width:750px){.setup-purpose-grid{grid-template-columns:1fr}.setup-purpose{padding:18px}.setup-purpose-heading h3{font-size:22px}.setup-purpose .platform-choice{min-height:58px}}