:root{--bg:#141416;--bg-soft:#202024;--card:#fff;--text:#18181b;--text-soft:#52525b;--muted:#71717a;--line:#e4e4e7;--accent:#b30931;--accent-dark:#8f0525;--accent-strong:#7a041e;--ppg-blue:#005a9c;--gold:#d4af37;--ok:#15803d;--warn:#d97706;--danger:#dc2626;--touch:52px;--radius:18px;--shadow:0 10px 30px rgba(0,0,0,.15)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);line-height:1.45;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.app-shell,body{background:var(--bg)}.app-shell{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.topbar{justify-content:space-between;padding:clamp(14px,4vw,20px);color:#fff;background:linear-gradient(135deg,var(--accent-strong),var(--accent));border-bottom:2px solid var(--gold)}.topbar,.topbar-brand{display:flex;align-items:center}.topbar-brand{gap:10px}.topbar-logo{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#fff;color:var(--accent);font-weight:900;font-size:20px}.topbar-title{font-weight:800;font-size:17px;letter-spacing:.5px}.ppg-badge{background:var(--ppg-blue);color:#fff;font-size:11px;font-weight:900;letter-spacing:.5px;padding:3px 8px;border-radius:6px;display:inline-flex;align-items:center;border:1px solid hsla(0,0%,100%,.4)}.main{flex:1 1;padding:clamp(16px,4vw,20px) clamp(14px,4vw,20px) 32px}.footer{padding:18px clamp(14px,4vw,20px) calc(18px + env(safe-area-inset-bottom, 0px));color:rgba(226,232,240,.65);font-size:13px;text-align:center}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(18px,5vw,24px);margin-bottom:16px;color:var(--text);border:1px solid hsla(0,0%,100%,.08)}.card h1,.card h2{margin:0 0 8px;line-height:1.15}.card h1{font-size:clamp(24px,6vw,30px);letter-spacing:-.02em;font-weight:800}.card h2{font-size:20px;font-weight:700}.card p{margin:0 0 12px;color:var(--text-soft)}.eyebrow{display:inline-block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:6px}.btn{min-height:var(--touch);border:none;border-radius:14px;padding:0 20px;font-size:17px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:transform .05s ease,background-color .15s ease,opacity .15s ease;touch-action:manipulation}.btn:active{transform:scale(.985)}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-strong)}.btn-primary:disabled{opacity:.5;cursor:default}.btn-secondary{background:#f4f4f5;color:var(--text);width:100%}.btn-secondary:hover{background:#e4e4e7}.btn-row{display:flex;flex-direction:column;gap:10px;margin-top:16px}@media (min-width:420px){.btn-row-inline{flex-direction:row}.btn-row-inline .btn{flex:1 1}}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(179,9,49,.55);outline-offset:2px}.field{margin-bottom:14px}.field label{display:block;font-size:14px;font-weight:600;color:var(--text-soft);margin-bottom:6px}.input{width:100%;min-height:52px;font-size:17px;padding:12px 16px;border:2px solid var(--line);border-radius:14px;background:#fafafa;color:var(--text);letter-spacing:.04em}.input:focus{border-color:var(--accent);background:#fff}.field-error{color:var(--danger);font-size:13px;margin-top:6px;font-weight:600}.panel{border-radius:14px;padding:16px;margin-top:14px;font-size:15px}.panel-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.panel-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.panel-info{background:#fdf2f4;color:var(--accent-strong);border:1px solid #fbcfe8}.panel-ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.retry-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.retry-row .btn{width:auto;flex:1 1;min-width:140px}.skeleton{border-radius:10px;background:linear-gradient(90deg,#e4e4e7 25%,#f4f4f5 50%,#e4e4e7 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;min-height:18px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-block{display:flex;flex-direction:column;gap:12px}.skeleton-block .skeleton{height:18px}.skeleton-block .skeleton.wide{width:70%}.skeleton-block .skeleton.thumb{width:48px;height:48px;border-radius:12px}.project-title{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:800;margin-bottom:14px}.section-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:16px 0 8px}.swatch-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));grid-gap:10px;gap:10px;list-style:none;margin:0;padding:0}.swatch-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:14px;padding:8px 10px 8px 8px;background:#fff;min-height:56px}.swatch{width:40px;height:40px;min-width:40px;border-radius:10px;border:1px solid rgba(24,24,27,.15);background:#eee}.swatch-meta{display:flex;flex-direction:column;min-width:0}.swatch-name{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.swatch-code{font-size:12px;color:var(--accent);font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.product-list{list-style:none;margin:0;padding:0;gap:10px}.product-item,.product-list{display:flex;flex-direction:column}.product-item{border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fafafa;gap:4px}.product-name{font-size:15px;font-weight:700}.product-meta{font-size:13px;color:var(--text-soft);gap:4px 12px}.chip-list,.product-meta{display:flex;flex-wrap:wrap}.chip-list{gap:8px;list-style:none;margin:0;padding:0}.chip{min-height:36px;display:inline-flex;align-items:center;gap:6px;background:#f4f4f5;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:4px 14px;font-size:14px;font-weight:600}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));grid-gap:10px;gap:10px;margin-top:4px}.summary-cell{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafafa}.summary-cell .k{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.summary-cell .v{font-size:18px;font-weight:800;color:var(--accent);margin-top:2px}.upload-zone{border:2px dashed #d4d4d8;border-radius:16px;padding:22px 16px;text-align:center;cursor:pointer;background:#fafafa;transition:border-color .15s ease,background .15s ease;min-height:140px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.upload-zone.drag{border-color:var(--accent);background:#fdf2f4}.upload-zone .upload-icon{font-size:30px}.upload-zone .upload-hint{font-size:14px;color:var(--muted);font-weight:500}.upload-preview{margin-top:14px;display:flex;flex-direction:column;align-items:center;gap:10px}.upload-preview img{width:100%;max-height:260px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}.progress{width:100%;height:12px;border-radius:999px;background:#e4e4e7;overflow:hidden;margin-top:8px}.progress-bar{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--gold));transition:width .3s ease}.progress-text{font-size:13px;color:var(--muted);margin-top:6px}.spinner{width:22px;height:22px;border-radius:50%;border:3px solid rgba(179,9,49,.25);border-top:3px solid var(--accent);animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.hero{padding:clamp(8px,3vw,16px) 0 clamp(24px,6vw,32px);color:#fff}.hero h1{margin:0 0 8px;font-size:clamp(26px,7vw,34px);letter-spacing:-.02em;line-height:1.1;font-weight:900}.hero p{font-size:clamp(15px,4.2vw,17px);color:rgba(226,232,240,.85);margin:0}.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.steps li{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafafa}.step-num{width:30px;height:30px;min-width:30px;border-radius:10px;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center;font-size:14px}.totem-note{display:flex;gap:10px;align-items:flex-start;background:#202024;border:1px solid hsla(0,0%,100%,.1);border-radius:14px;padding:14px 16px;font-size:14px;color:hsla(0,0%,100%,.85)}.success-check{width:44px;height:44px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700;margin:0 auto 10px}@media (prefers-reduced-motion:reduce){.skeleton,.spinner{animation:none}*{transition:none!important}}