:root{color:#161616;background:#f7f7f5;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:#f7f7f5}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.42}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;display:flex;flex-direction:column;height:100vh;padding:24px 14px 18px;border-right:1px solid #e6e6e2;background:#fbfbfa}.brand{display:flex;align-items:center;gap:10px;width:100%;padding:6px 10px 28px;border:0;color:#171717;background:transparent;font-size:14px;font-weight:700;letter-spacing:-.02em;text-align:left}.brand-mark{display:grid;width:27px;height:27px;place-items:center;border-radius:8px;color:#fff;background:#151515;font-size:13px}.sidebar nav{display:grid;gap:3px}.nav-caption{margin:22px 10px 7px;color:#969693;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.nav-item{display:flex;align-items:center;gap:11px;width:100%;min-height:40px;padding:0 11px;border:0;border-radius:8px;color:#737370;background:transparent;font-size:13px;text-align:left;transition:background .18s ease,color .18s ease}.nav-item>span{width:20px;color:#a1a19d;font-size:11px;font-variant-numeric:tabular-nums}.nav-item:hover{color:#20201e;background:#f0f0ed}.nav-item.active{color:#171717;background:#e9e9e5;font-weight:650}.nav-item.active>span{color:#171717}.sidebar-bottom{display:grid;grid-template-columns:auto 1fr;gap:6px 8px;align-items:center;margin-top:auto;padding:14px 10px 4px;border-top:1px solid #e8e8e5;color:#777773;font-size:11px}.sidebar-bottom small{grid-column:1 / -1;color:#a3a39f;font-size:10px}.status-dot,.project-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#1b1b1a}.main-content{min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;min-height:112px;padding:26px clamp(28px,5vw,74px);border-bottom:1px solid #e8e8e5;background:#fbfbfad1}.eyebrow,.step-heading>span{display:block;color:#878783;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.topbar h1{margin:7px 0 0;color:#171717;font-size:23px;letter-spacing:-.04em}.project-context{display:flex;align-items:center;gap:8px;color:#3e3e3b;font-size:12px}.muted{color:#999995}.workspace{max-width:1380px;margin:0 auto;padding:54px clamp(28px,5vw,74px) 82px}.page-stack,.decision-page,.generate-page,.prompt-result-page{display:grid;gap:42px}.home-welcome{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:8px 0 34px;border-bottom:1px solid #deded9}.home-welcome h2{margin:0;color:#20201e;font-size:22px;letter-spacing:-.04em}.home-welcome p{margin:8px 0 0;color:#858581;font-size:13px;line-height:1.6}.home-create-button{flex:0 0 auto;min-width:176px;min-height:46px;padding:0 20px;border-radius:9px;font-size:13px}.home-create-button>span{font-size:19px;font-weight:300;line-height:1}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px}.section-heading h2{margin:0;font-size:18px;letter-spacing:-.03em}.section-heading p{margin:7px 0 0;color:#888884;font-size:12px}.count{display:grid;width:30px;height:30px;place-items:center;border-radius:50%;color:#555551;background:#e9e9e5;font-size:11px;font-variant-numeric:tabular-nums}.project-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.project-card{display:grid;gap:13px;min-height:154px;padding:18px;border:1px solid #e0e0dc;border-radius:11px;color:#242422;background:#fff;text-align:left;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.project-card:hover{transform:translateY(-2px);border-color:#b8b8b4;box-shadow:0 12px 28px #0000000b}.project-card-top{display:flex;justify-content:space-between;align-items:center}.product-chip{display:grid;width:27px;height:27px;place-items:center;border-radius:8px;color:#40403d;background:#eeeeeb;font-size:12px;font-weight:700}.state-pill{padding:4px 7px;border-radius:99px;color:#61615c;background:#f0f0ed;font-size:10px}.project-card-content{display:grid;gap:7px}.project-card strong{overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.project-card small{overflow:hidden;color:#8a8a86;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.project-card-meta{display:flex;justify-content:space-between;gap:8px;margin-top:auto;padding-top:11px;border-top:1px solid #efefec;color:#9b9b97;font-size:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:42px;padding:0 16px;border:1px solid #d3d3ce;border-radius:8px;color:#282826;background:#fff;font-size:12px;font-weight:650;transition:transform .15s ease,background .15s ease,border-color .15s ease}.button:not(:disabled):hover{transform:translateY(-1px);border-color:#a3a39e}.button.primary{border-color:#171717;color:#fff;background:#171717}.button.primary:not(:disabled):hover{background:#30302e}.step-heading{display:grid;gap:0;max-width:690px}.step-heading h2{margin:12px 0 0;color:#191918;font-size:clamp(30px,3vw,40px);line-height:1.1;letter-spacing:-.06em}.step-heading p{margin:13px 0 0;color:#777773;font-size:13px;line-height:1.75}.decision-page{max-width:1060px}.decision-section{display:grid;grid-template-columns:minmax(160px,.31fr) minmax(0,1fr);gap:42px;padding-top:34px;border-top:1px solid #deded9}.section-title h3{margin:0;color:#222220;font-size:16px;letter-spacing:-.025em}.section-title p{margin:8px 0 0;color:#858581;font-size:12px;line-height:1.65}.section-content{display:grid;gap:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.delivery-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.field{display:grid;gap:8px;min-width:0}.field.wide{grid-column:1 / -1}.field>span{color:#53534f;font-size:12px;font-weight:650}.field em{margin-left:4px;color:#6e6e69;font-size:10px;font-style:normal}.field i{margin-left:4px;color:#999995;font-size:10px;font-style:normal;font-weight:500}.field input,.field select,.field textarea,.field output{width:100%;min-height:42px;padding:0 12px;border:1px solid #deded9;border-radius:8px;outline:0;color:#292927;background:#fff;font-size:12px;transition:border-color .15s ease,box-shadow .15s ease}.field textarea{min-height:108px;padding:11px 12px;resize:vertical;line-height:1.65}.field output{display:flex;align-items:center;color:#777773;background:#f2f2ef}.field input:focus,.field select:focus,.field textarea:focus{border-color:#777773;box-shadow:0 0 0 3px #0000000b}.form-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:6px;color:#858581;font-size:12px}.decision-hint{margin:0;color:#898985;font-size:12px;line-height:1.6}.inline-error{margin:0;color:#a94038;font-size:12px;line-height:1.6}.layout-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.layout-card{position:relative;display:grid;gap:10px;min-height:198px;padding:15px;overflow:hidden;border:1px solid #deded9;border-radius:11px;color:#30302d;background:#fff;text-align:left;transition:border-color .15s ease,box-shadow .15s ease}.layout-card:hover{border-color:#acaca6}.layout-card.selected{border-color:#1d1d1b;box-shadow:inset 0 0 0 1px #1d1d1b}.layout-card-top{display:flex;justify-content:space-between;gap:10px;min-height:16px}.layout-card-category{overflow:hidden;color:#868681;font-size:10px;text-overflow:ellipsis;white-space:nowrap}.layout-recommendation{flex:0 0 auto;color:#272725;font-size:10px;font-weight:700}.layout-card strong{padding-right:18px;font-size:14px}.layout-card p{min-height:34px;margin:0;color:#777772;font-size:11px;line-height:1.55}.layout-spec{display:grid;gap:5px;margin:0}.layout-spec div{display:grid;grid-template-columns:58px 1fr;gap:7px;font-size:10px;line-height:1.35}.layout-spec dt{color:#9b9b96}.layout-spec dd{margin:0;color:#4b4b47}.choice-radio{display:inline-block;width:14px;height:14px;border:1px solid #c7c7c1;border-radius:50%}.layout-card .choice-radio{position:absolute;right:15px;top:40px}.layout-card.selected .choice-radio,.choice-card.selected .choice-radio{border:4px solid #1e1e1d}.recommendation-line{display:flex;flex-wrap:wrap;align-items:center;gap:7px;color:#94948f;font-size:11px}.recommendation-line>span{margin-right:3px;color:#777772;font-weight:650}.recommendation-line b{padding:4px 7px;border-radius:99px;color:#4b4b47;background:#ededea;font-size:10px;font-weight:650}.tag-grid{display:flex;flex-wrap:wrap;gap:8px}.tag-button,.choice-chip{min-height:34px;padding:0 12px;border:1px solid #dcdcd7;border-radius:99px;color:#5e5e59;background:#fff;font-size:12px;transition:border-color .15s ease,color .15s ease,background .15s ease}.tag-button:hover,.choice-chip:hover{border-color:#979792;color:#242422}.tag-button.selected,.choice-chip.selected{border-color:#1f1f1e;color:#fff;background:#1f1f1e}.choice-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.choice-card{display:flex;align-items:center;gap:8px;min-height:50px;padding:10px;border:1px solid #deded9;border-radius:9px;color:#575752;background:#fff;font-size:11px;text-align:left}.choice-card.selected{border-color:#1f1f1e;color:#1f1f1e;box-shadow:inset 0 0 0 1px #1f1f1e}.sub-decision{display:grid;gap:9px;margin-top:4px}.sub-decision>span{color:#555550;font-size:12px;font-weight:650}.choice-chip-list{display:flex;flex-wrap:wrap;gap:7px}.background-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.background-mode{display:grid;gap:5px;min-height:84px;padding:13px;border:1px solid #deded9;border-radius:10px;color:#3f3f3b;background:#fff;text-align:left}.background-mode.selected{border-color:#1d1d1b;box-shadow:inset 0 0 0 1px #1d1d1b}.background-mode strong{font-size:12px}.background-mode span{color:#858580;font-size:10px;line-height:1.5}.custom-background-field{max-width:380px;margin-top:4px}.principle-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.principle-toggle{display:flex;align-items:center;gap:9px;min-height:42px;padding:0 11px;border:1px solid #e0e0dc;border-radius:8px;color:#767671;background:#fff;font-size:11px}.principle-toggle.selected{border-color:#c7c7c1;color:#292927;background:#fbfbf9}.principle-toggle input{position:absolute;opacity:0;pointer-events:none}.checkmark{display:grid;width:16px;height:16px;place-items:center;border:1px solid #cacac4;border-radius:4px;color:transparent;font-size:10px}.principle-toggle.selected .checkmark{border-color:#1e1e1d;color:#fff;background:#1e1e1d}.generate-page{max-width:880px}.generation-card{display:grid;gap:30px;padding:32px;border:1px solid #deded9;border-radius:16px;background:#fff}.generation-card h2{margin:9px 0 0;font-size:24px;letter-spacing:-.04em}.generation-card p{margin:8px 0 0;color:#7d7d78;font-size:12px;line-height:1.65}.generate-button{justify-self:start;min-width:168px}.generation-error{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 24px;border:1px solid #ecc3be;border-radius:14px;background:#fff9f8}.generation-error h3{margin:7px 0 0;color:#8f332c;font-size:16px}.generation-error .inline-error{margin-top:6px}.generation-overlay{position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:24px;background:#f8f8f5eb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.generation-progress-card{display:grid;justify-items:center;width:min(100%,460px);gap:16px;padding:44px;border:1px solid #deded9;border-radius:20px;text-align:center;background:#fff;box-shadow:0 24px 72px #1919161f}.generation-spinner{width:38px;height:38px;border:3px solid #e3e3df;border-top-color:#1e1e1d;border-radius:50%;animation:generation-spin .85s linear infinite}.generation-progress-card h2{margin:0;color:#252523;font-size:24px;letter-spacing:-.04em}.generation-progress-card ol{display:grid;justify-items:start;gap:9px;width:min(100%,280px);margin:2px 0;padding:0;list-style:none;color:#686863;font-size:13px;line-height:1.55}.generation-progress-card li:before{content:"✓";display:inline-grid;width:17px;height:17px;place-items:center;margin-right:9px;border-radius:50%;color:#fff;background:#30302e;font-size:10px}.generation-progress-card p{margin:0;color:#8a8a85;font-size:12px}@keyframes generation-spin{to{transform:rotate(360deg)}}.design-summary{display:grid;gap:12px;margin:0;padding:18px 0;border-top:1px solid #e6e6e2;border-bottom:1px solid #e6e6e2}.design-summary>div{display:grid;grid-template-columns:82px 1fr;gap:12px;font-size:12px;line-height:1.5}.design-summary dt{color:#91918c}.design-summary dd{margin:0;color:#3f3f3b}.principles-summary dd{color:#676762}.design-summary.compact{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}.design-summary.compact .principles-summary{grid-column:1 / -1}.prompt-result-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.72fr);gap:24px;align-items:start}.prompt-documents{display:grid;gap:24px}.prompt-document,.summary-panel{padding:23px;border:1px solid #deded9;border-radius:14px;background:#fff}.prompt-document header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:15px;border-bottom:1px solid #e8e8e5;color:#8d8d88;font-size:11px}.prompt-document pre{min-height:540px;margin:0;padding:19px 0 2px;overflow-wrap:anywhere;color:#363633;font-family:SF Mono,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.8;white-space:pre-wrap}.prompt-documents .prompt-document pre{min-height:300px}.summary-panel{position:sticky;top:28px;display:grid;gap:18px}.summary-panel>.eyebrow{padding-bottom:1px}.prompt-version-meta{display:grid;gap:3px;padding-bottom:17px;border-bottom:1px solid #e8e8e5}.prompt-version-meta strong{color:#2c2c29;font-size:23px;letter-spacing:-.04em}.prompt-version-meta small{color:#898985;font-size:12px}.summary-panel .design-summary{padding:0;border-top:0}.copy-prompt-button{width:100%;min-height:48px;margin-top:2px;font-size:14px}.button.secondary{border-color:#cacac4;color:#3e3e3a;background:#fff}.button.secondary:not(:disabled):hover{border-color:#777773;background:#f7f7f4}.prompt-editor{display:grid;gap:18px;padding:26px;border:1px solid #deded9;border-radius:14px;background:#fff}.prompt-editor h3{margin:7px 0 0;font-size:20px;letter-spacing:-.03em}.prompt-editor p{margin:8px 0 0;color:#7d7d78;font-size:12px;line-height:1.65}.prompt-editor label{display:grid;gap:8px;color:#555550;font-size:12px;font-weight:650}.prompt-editor textarea{width:100%;min-height:220px;padding:13px;border:1px solid #d7d7d2;border-radius:9px;outline:none;color:#363633;font-family:SF Mono,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.65;resize:vertical}.prompt-editor textarea:focus{border-color:#777773;box-shadow:0 0 0 3px #0000000b}.prompt-editor-actions{display:flex;justify-content:flex-end;gap:10px}.empty-state{display:grid;gap:7px;max-width:480px;padding:28px;border:1px dashed #d4d4cf;border-radius:12px;color:#444440;background:#fbfbf9}.empty-state strong{font-size:14px}.empty-state p{margin:0;color:#888883;font-size:12px;line-height:1.6}@media(max-width:1100px){.project-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.prompt-result-grid{grid-template-columns:1fr}.summary-panel{position:static}}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;display:grid;grid-template-columns:auto 1fr;height:auto;padding:14px 18px;border-right:0;border-bottom:1px solid #e5e5e1}.brand{padding:3px 0}.sidebar nav{display:flex;justify-content:flex-end;overflow:auto}.nav-caption,.sidebar-bottom{display:none}.nav-item{width:auto;padding:0 8px;white-space:nowrap}.nav-item>span{display:none}.decision-section{grid-template-columns:1fr;gap:18px}.delivery-grid,.background-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.prompt-document pre{min-height:390px}}@media(max-width:620px){.topbar{min-height:88px;padding:20px}.workspace{padding:32px 18px 56px}.topbar h1{font-size:21px}.project-context{display:none}.home-welcome{align-items:flex-start;flex-direction:column;padding-bottom:26px}.home-welcome h2{font-size:21px}.home-welcome p{font-size:12px}.home-create-button{width:100%}.form-grid,.delivery-grid,.layout-card-grid,.choice-card-grid,.background-mode-grid,.principle-grid,.design-summary.compact{grid-template-columns:1fr}.form-footer,.section-heading{align-items:flex-start;flex-direction:column}.form-footer .button{width:100%}.project-card-grid{grid-template-columns:1fr}.layout-card{min-height:180px}.background-mode{min-height:70px}.prompt-document,.summary-panel,.generation-card{padding:18px}.prompt-document pre{min-height:330px;font-size:11px}.design-summary>div{grid-template-columns:78px 1fr}.sidebar{grid-template-columns:1fr;gap:7px}.sidebar nav{justify-content:flex-start}.step-heading h2{font-size:31px}}
