:root{--bg: #0d1117;--surface: #161b22;--card: #21262d;--card-hover: #2d333b;--border: #30363d;--accent: #f97316;--accent-dim: rgba(249,115,22,.15);--accent-hover: #ea6c0e;--text: #e6edf3;--text-muted: #8b949e;--text-faint: #484f58;--success: #22c55e;--success-dim: rgba(34,197,94,.15);--warning: #f59e0b;--warning-dim: rgba(245,158,11,.15);--danger: #f85149;--danger-dim: rgba(248,81,73,.15);--info: #58a6ff;--purple: #8b5cf6;--radius: 12px;--radius-sm: 8px;--nav-height: 68px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:Bebas Neue,sans-serif;letter-spacing:.04em;line-height:1.1}.page{height:100%;display:flex;flex-direction:column;overflow:hidden}.page-content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 16px calc(var(--nav-height) + var(--safe-bottom) + 16px)}.page-content.no-nav{padding-bottom:24px}.page-header{padding:16px 16px 12px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;flex-shrink:0}.page-header h2{font-size:22px;flex:1}.back-btn{background:none;border:none;color:var(--accent);cursor:pointer;padding:4px;display:flex;align-items:center}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.card-row{display:flex;align-items:center;gap:8px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border-radius:var(--radius-sm);border:none;font-family:DM Sans,sans-serif;font-size:15px;font-weight:600;cursor:pointer;transition:all .15s;width:100%;min-height:50px}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{background:var(--border);color:var(--text-muted);cursor:not-allowed;transform:none}.btn-secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--card-hover)}.btn-success{background:var(--success);color:#000}.btn-danger{background:var(--danger-dim);color:var(--danger);border:1px solid var(--danger)}.btn-sm{padding:8px 14px;font-size:13px;min-height:36px;width:auto}.input-group{margin-bottom:14px}.input-group label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.input-group input,.input-group select,.input-group textarea{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:DM Sans,sans-serif;font-size:15px;padding:12px 14px;outline:none;transition:border-color .15s;-webkit-appearance:none}.input-group input:focus,.input-group select:focus,.input-group textarea:focus{border-color:var(--accent)}.input-group select option{background:var(--surface)}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.divider{height:1px;background:var(--border);margin:14px 0}.section-label{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;margin-top:18px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.4}.empty-state p{font-size:14px}.toast-container{position:fixed;bottom:calc(var(--nav-height) + var(--safe-bottom) + 16px);left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none;width:calc(100vw - 32px);max-width:420px}.toast{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;font-weight:500;text-align:center;animation:slideUp .25s ease}.toast.success{border-color:var(--success);color:var(--success)}.toast.error{border-color:var(--danger);color:var(--danger)}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;color:var(--text-muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:200;display:flex;align-items:flex-end}.modal-sheet{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;border:1px solid var(--border);border-bottom:none;padding:20px 16px calc(var(--safe-bottom) + 20px);width:100%;max-height:90vh;overflow-y:auto;animation:slideSheet .25s ease}@keyframes slideSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-handle{width:40px;height:4px;background:var(--border);border-radius:2px;margin:0 auto 16px}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.photo-thumb{aspect-ratio:1;border-radius:var(--radius-sm);object-fit:cover;width:100%;border:1px solid var(--border)}.photo-add-btn{aspect-ratio:1;border-radius:var(--radius-sm);border:2px dashed var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);flex-direction:column;gap:4px;font-size:11px}.sig-wrapper{border:2px dashed var(--border);border-radius:var(--radius-sm);background:#fff;overflow:hidden;position:relative}.parts-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px}.parts-qty-ctrl{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}.qty-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer}.qty-btn:active{transform:scale(.9)}.payment-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.payment-chip{flex:1;min-width:calc(50% - 4px);padding:14px 10px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--card);color:var(--text-muted);font-size:14px;font-weight:600;text-align:center;cursor:pointer;transition:all .15s}.payment-chip.selected{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px;color:var(--text-muted)}.summary-row.total{font-size:18px;font-weight:700;color:var(--text);border-top:1px solid var(--border);padding-top:12px;margin-top:6px}