@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@400;500;600;700&display=swap');
:root{--ink:#171a1f;--muted:#69717d;--paper:#f6f7f8;--card:#fff;--yellow:#f2b705;--yellow-soft:#fff2bf;--red:#d92d20;--red-soft:#fff0ee;--green:#16865b;--green-soft:#e9f7ef;--line:#dfe3e8;--shadow:0 12px 30px rgba(23,26,31,.08);font-family:'Roboto Condensed',Arial,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:var(--paper);min-width:320px}.app-shell{max-width:760px;margin:0 auto;min-height:100vh;padding-bottom:78px}.topbar{height:70px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:10;box-shadow:0 2px 0 var(--yellow)}.brand-lockup{display:flex;align-items:center;gap:11px}.brand-lockup strong{display:block;letter-spacing:1.2px;font-size:16px}.brand-lockup span{display:block;color:#cbd0d6;font-size:12px;margin-top:2px}.brand-mark{width:38px;height:38px;border:2px solid var(--yellow);color:var(--yellow);display:grid;place-items:center;font-weight:700;font-size:24px;transform:skew(-8deg)}.icon-button{border:1px solid #626872;background:transparent;color:#fff;border-radius:10px;font-size:22px;width:40px;height:40px}.main-content{padding:20px 16px}.eyebrow{font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:700}.hero{background:var(--ink);color:#fff;border-radius:18px;padding:22px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.hero:after{content:'';position:absolute;right:-45px;top:-60px;width:190px;height:190px;border:25px solid rgba(242,183,5,.25);transform:rotate(35deg)}h1{font-size:34px;line-height:.98;margin:8px 0 12px;max-width:500px;letter-spacing:-.4px}.hero p{color:#d8dde2;max-width:470px;margin:0 0 18px;font-size:16px}.hero-meta{display:flex;gap:8px;flex-wrap:wrap}.chip{border-radius:99px;padding:6px 10px;font-size:12px;font-weight:700;background:#2d3239;color:#fff;border:1px solid #4b525b}.chip.yellow{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}.progress-card,.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.progress-card{background:var(--card);padding:14px 16px;border:1px solid var(--line);border-radius:14px;margin:14px 0;box-shadow:var(--shadow)}.progress-number{font-size:22px;font-weight:700}.progress-bar{height:8px;background:#edf0f2;border-radius:99px;overflow:hidden;margin-top:8px}.progress-bar i{display:block;height:100%;background:var(--yellow);border-radius:inherit;transition:width .25s}.section-title{font-size:22px;margin:24px 0 12px}.step-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin:10px 0;display:flex;gap:13px;align-items:flex-start;box-shadow:0 4px 14px rgba(23,26,31,.04)}.step-index{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--yellow);display:grid;place-items:center;font-weight:700;flex:0 0 auto}.step-card.done{border-color:#a8ddc0;background:#fbfffc}.step-card.done .step-index{background:var(--green);color:#fff}.step-card h3{margin:0 0 4px;font-size:18px}.step-card p{margin:0;color:var(--muted);font-size:14px}.step-status{margin-left:auto;color:var(--green);font-weight:700;font-size:12px;white-space:nowrap}.primary-btn,.secondary-btn,.danger-btn,.check-btn{font:inherit;border:0;border-radius:12px;padding:13px 16px;font-weight:700;cursor:pointer;min-height:48px}.primary-btn{background:var(--yellow);color:var(--ink);box-shadow:0 5px 0 #be8d00}.primary-btn:active{transform:translateY(2px);box-shadow:0 3px 0 #be8d00}.secondary-btn{background:#edf0f2;color:var(--ink)}.danger-btn{background:var(--red);color:#fff}.check-btn{background:var(--green);color:#fff;width:100%}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.button-row>*{flex:1}.warning{background:var(--red-soft);border:2px solid #f19b93;border-left:7px solid var(--red);border-radius:14px;padding:15px;margin:14px 0}.warning strong{color:#a82017;display:block;font-size:18px}.warning p{margin:7px 0 0;color:#6e211d}.notice{background:var(--yellow-soft);border:1px solid #e7c341;border-radius:14px;padding:14px;margin:14px 0}.notice strong{display:block;margin-bottom:5px}.callout{background:var(--green-soft);border:1px solid #a8ddc0;border-radius:14px;padding:14px;margin:14px 0}.diagram{background:#fdfdfd;border:1px solid #ccd2d8;border-radius:14px;padding:16px;margin:14px 0;overflow:auto}.diagram pre{margin:0;font:600 13px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre;color:#27313b}.step-detail h2{font-size:28px;line-height:1.02;margin:6px 0}.step-detail .lead{color:var(--muted);font-size:16px;margin:0}.detail-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px;box-shadow:0 4px 14px rgba(23,26,31,.04)}.panel h3{font-size:16px;margin:0 0 9px}.panel ul,.panel ol{margin:0;padding-left:20px;color:#3b424b}.panel li{margin:8px 0}.part-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.part-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px;cursor:pointer}.part-card strong{font-size:22px;display:block;color:var(--ink)}.part-card span{font-size:13px;color:var(--muted);display:block;margin-top:5px}.part-card em{display:inline-block;font-style:normal;font-size:11px;margin-top:8px;padding:4px 6px;background:#edf0f2;border-radius:5px}.part-card.confirmed em{background:var(--green-soft);color:var(--green)}.part-card.unknown em{background:var(--red-soft);color:#a82017}.search{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;font-size:16px;background:#fff;margin:10px 0 14px}.photo-card{display:grid;grid-template-columns:92px 1fr;gap:13px;align-items:center}.photo-thumb{height:76px;border-radius:10px;background:linear-gradient(135deg,#252b31,#59636d);display:grid;place-items:center;color:var(--yellow);font-weight:700;font-size:19px;overflow:hidden}.photo-thumb img{width:100%;height:100%;object-fit:cover}.check-row{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px;margin:9px 0}.check-row input{width:24px;height:24px;accent-color:var(--green);flex:0 0 auto}.check-row label{font-size:16px}.check-row.stop label{color:#8e221c}.bottom-nav{position:fixed;bottom:0;left:0;right:0;max-width:760px;margin:auto;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:20;padding-bottom:env(safe-area-inset-bottom)}.nav-item{background:none;border:0;color:#7b848e;padding:9px 2px 7px;font:inherit;cursor:pointer}.nav-item span{display:block;font-size:22px;line-height:22px}.nav-item small{display:block;font-size:11px;margin-top:3px}.nav-item.active{color:var(--ink);font-weight:700}.nav-item.active span{color:var(--yellow)}.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%) translateY(15px);background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;z-index:30;font-size:13px}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.small{font-size:12px;color:var(--muted)}.back{color:var(--muted);border:0;background:none;font:inherit;padding:0;cursor:pointer}.status-row{display:flex;justify-content:space-between;gap:8px;align-items:center;margin:13px 0}.empty{padding:25px;text-align:center;color:var(--muted)}
.reference-diagram{height:210px;background:#fbfcfd;border:1px solid #cfd6dc;border-radius:12px;position:relative;margin:12px 0;overflow:hidden}.ref-opening{position:absolute;left:23%;right:12%;top:28%;height:53%;border:4px solid var(--ink);border-top-color:#737d87;padding:35px 0 0;text-align:center;font-weight:700;color:#6d7782}.ref-opening span{display:block;margin-top:45px;font-size:12px;color:var(--muted)}.ref-horizontal{position:absolute;left:9%;right:5%;top:20%;border-top:3px dashed var(--yellow);color:#9a7300;font-size:11px;font-weight:700;padding-top:4px}.ref-vertical{position:absolute;left:15%;top:30%;color:#16865b;font-size:11px;font-weight:700;writing-mode:vertical-rl;transform:rotate(180deg)}.measure-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:10px}.measure-grid label{font-size:12px;color:var(--muted);font-weight:700}.measure-grid input{display:block;width:100%;padding:11px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit;font-size:16px;margin-top:4px}.track-diagram{position:relative;background:#fbfcfd;border:1px solid #cfd6dc;border-radius:12px;min-height:260px;padding:15px 12px;margin:12px 0;color:#303841}.roof-line{border-bottom:6px solid var(--ink);padding-bottom:8px;font-size:11px;font-weight:700}.track-label{margin:10px auto 2px;width:45%;padding:7px;border:2px solid var(--yellow);background:var(--yellow-soft);text-align:center;font-weight:700}.vertical-track{position:absolute;left:20%;top:104px;height:105px;border-left:6px solid var(--green);padding-left:9px;font-weight:700}.vertical-track span{display:block;color:var(--green);font-size:12px;margin-top:20px}.horizontal-track{position:absolute;left:20%;right:8%;top:202px;border-top:6px solid var(--green);padding-top:7px;display:flex;justify-content:space-between;font-weight:700}.horizontal-track span{font-size:12px;color:var(--green)}.floor-line{position:absolute;bottom:9px;left:8%;right:8%;border-top:2px dashed #8b949e;text-align:center;font-size:11px;color:var(--muted);padding-top:3px}.photo-uploader{margin-top:14px}.photo-strip{display:flex;gap:9px;overflow-x:auto;padding-bottom:5px}.photo-tile{min-width:105px;position:relative}.photo-tile img{width:105px;height:82px;object-fit:cover;border-radius:9px;border:1px solid var(--line);display:block}.photo-tile b{display:block;font-size:12px;margin-top:4px}.photo-placeholder{width:105px;height:82px;border:1px dashed #aab2ba;border-radius:9px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:12px;padding:7px}.photo-placeholder strong{font-size:18px;color:var(--ink)}.photo-placeholder small{font-size:10px}.missing-photo{opacity:.92}.photo-empty{height:82px;min-width:180px;border:1px dashed #aab2ba;border-radius:9px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:12px;padding:10px}.mini-photo-btn{display:inline-block;margin-top:5px;padding:5px 6px;border-radius:6px;background:var(--yellow);color:var(--ink);font-size:10px;font-weight:700;cursor:pointer}.photo-btn{display:inline-flex;margin-top:10px;align-items:center;justify-content:center;max-width:260px}.user-photo img{border:3px solid var(--yellow)}
@media(min-width:620px){.main-content{padding:28px 24px}.detail-grid{grid-template-columns:1fr 1fr}.part-list{grid-template-columns:repeat(3,minmax(0,1fr))}.topbar{padding:0 24px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}