@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400;500&display=swap");*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f7f6f3;--surface:#fff;--border:rgba(0,0,0,.08);--border-strong:rgba(0,0,0,.15);--text:#1a1a18;--muted:#7a7a74;--hint:#b0b0a8;--green-bg:#eaf3de;--green-border:#c0dd97;--green-text:#3b6d11;--blue-bg:#e6f1fb;--blue-border:#b5d4f4;--blue-text:#185fa5;--amber-bg:#faeeda;--amber-border:#fac775;--amber-text:#854f0b;--red-bg:#fcebeb;--red-border:#f7c1c1;--red-text:#a32d2d;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--font:"DM Sans",sans-serif;--mono:"DM Mono",monospace}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}.shell{width:100%;max-width:480px;margin:0 auto;padding:1.5rem 1rem 4rem}.card{padding:1.25rem}.card,.card-flush{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:1rem}.card-flush{overflow:hidden}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:var(--font);font-size:14px;font-weight:500;border-radius:var(--radius-sm);padding:10px 20px;cursor:pointer;border:1px solid var(--border-strong);background:transparent;color:var(--text);transition:background .12s,opacity .12s;text-decoration:none;line-height:1}.btn:hover{background:var(--bg)}.btn.primary{background:var(--text);color:#fff;border-color:var(--text)}.btn.primary:hover{opacity:.88;background:var(--text)}.btn.primary:disabled,.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.btn.full{width:100%}.btn.sm{padding:7px 14px;font-size:13px}.btn.danger{border-color:var(--red-text);color:var(--red-text)}.field{margin-bottom:1rem}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;font-family:var(--font);background:var(--surface);color:var(--text);outline:none;transition:border-color .12s;-webkit-appearance:none}.field input:focus,.field select:focus{border-color:var(--text)}.field .hint{font-size:12px;color:var(--hint);margin-top:5px}.field input.valid{border-color:var(--green-text)}.field input.invalid{border-color:var(--red-text)}.badge{display:inline-block;font-size:12px;font-weight:500;padding:3px 10px;border-radius:99px;border:1px solid transparent;white-space:nowrap}.badge.green{background:var(--green-bg);border-color:var(--green-border);color:var(--green-text)}.badge.amber{background:var(--amber-bg);border-color:var(--amber-border);color:var(--amber-text)}.badge.red{background:var(--red-bg);border-color:var(--red-border);color:var(--red-text)}.badge.blue{background:var(--blue-bg);border-color:var(--blue-border);color:var(--blue-text)}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;padding-top:.5rem}.wordmark{font-size:13px;font-weight:500;letter-spacing:.05em;color:var(--muted);text-transform:uppercase}.stack{display:flex;flex-direction:column;gap:8px}.section-label{font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--hint);text-transform:uppercase;margin-bottom:10px}.info-box{background:var(--amber-bg);border:1px solid var(--amber-border);border-radius:var(--radius-sm);color:var(--amber-text)}.error-box,.info-box{padding:11px 14px;font-size:13px;line-height:1.6;margin-bottom:1rem}.error-box{background:var(--red-bg);border:1px solid var(--red-border);border-radius:var(--radius-sm);color:var(--red-text)}.success-box{background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--radius-sm);padding:11px 14px;font-size:13px;color:var(--green-text);line-height:1.6;margin-bottom:1rem}.check-circle{width:44px;height:44px;border-radius:50%;background:var(--green-bg);border:1px solid var(--green-border);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem}.divider{border:none;border-top:1px solid var(--border);margin:1.25rem 0}.steps{display:flex;flex-direction:column}.step-item{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}.step-item:last-child{border-bottom:none}.step-dot{width:26px;height:26px;border-radius:50%;border:1px solid var(--border-strong);background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:500;flex-shrink:0;margin-top:1px}.step-dot.done{background:var(--green-bg);border-color:var(--green-border);color:var(--green-text)}.step-dot.now{background:var(--text);border-color:var(--text);color:#fff}.step-title{font-size:14px;font-weight:500;margin-bottom:2px}.step-sub{font-size:13px;color:var(--muted)}.step-item.future .step-title{color:var(--muted);font-weight:400}.progress-bar{height:6px;background:var(--bg);border-radius:99px;overflow:hidden;margin-top:6px}.progress-fill{height:100%;border-radius:99px;transition:width .3s}.stat-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-bottom:1rem}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem}.stat-label{font-size:13px;color:var(--muted);margin-bottom:4px}.stat-value{font-size:22px;font-weight:500}.alert-row{display:flex;align-items:center;gap:10px;padding:12px 1.25rem;border-bottom:1px solid var(--border)}.alert-row:last-child{border-bottom:none}.alert-name{font-size:14px;font-weight:500}.alert-sub{font-size:12px;color:var(--muted)}.inst-item{display:flex;gap:14px;align-items:flex-start;padding:14px 1.25rem;border-bottom:1px solid var(--border)}.inst-item:last-child{border-bottom:none}.inst-num{width:28px;height:28px;border-radius:50%;background:var(--bg);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:500;flex-shrink:0;margin-top:1px}.inst-num.hi{background:var(--blue-bg);border-color:var(--blue-border);color:var(--blue-text)}.inst-title{font-size:14px;font-weight:500;margin-bottom:3px}.inst-desc{font-size:13px;color:var(--muted);line-height:1.6}.inst-tag{display:inline-block;margin-top:6px;font-family:var(--mono);font-size:12px;background:var(--bg);border:1px solid var(--border-strong);border-radius:6px;padding:3px 8px;color:var(--text);letter-spacing:.03em}h1{font-size:24px}h1,h2{font-weight:500;margin-bottom:6px}h2{font-size:20px}p.sub{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:1.5rem}.device-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;margin-bottom:10px;cursor:pointer;transition:border-color .12s;text-decoration:none;display:block;color:var(--text)}.device-card:hover{border-color:var(--border-strong)}.nav-bottom{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:10px 0 20px;z-index:10}.nav-item{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--muted);cursor:pointer;padding:4px 16px}.nav-item.active{color:var(--text);font-weight:500}.empty-state{text-align:center;padding:3rem 1rem;color:var(--muted)}.empty-state p{font-size:14px;margin-bottom:1rem}@media (min-width:600px){.shell{padding:2rem 1rem 4rem}}