:root{color-scheme:light;font-family:Space Grotesk,sans-serif;--bg: #f7efe5;--bg-accent: #f2dfc7;--panel: rgba(255, 252, 247, .8);--text: #1f1a17;--muted: #64574e;--primary: #b84c2a;--primary-dark: #8f3517;--line: rgba(31, 26, 23, .08);--success: #1f7a53;--error: #a33838;background:radial-gradient(circle at top left,rgba(255,255,255,.7),transparent 30%),linear-gradient(135deg,var(--bg),var(--bg-accent));color:var(--text)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input{font:inherit}img{display:block;width:100%}.app-layout{min-height:100vh}.site-nav{display:flex;gap:10px;flex-wrap:wrap;max-width:1280px;margin:0 auto;padding:20px 20px 0}.nav-link{display:inline-flex;align-items:center;min-height:42px;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fffcf7b8;color:var(--text);text-decoration:none;font-weight:500}.nav-link.active{background:var(--primary);border-color:var(--primary);color:#fff}.page-shell{max-width:1280px;margin:0 auto;padding:48px 20px 64px}.hero{margin-bottom:28px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;color:var(--primary);margin-bottom:10px}.hero h1{margin:0;font-size:clamp(2.5rem,5vw,4.5rem);line-height:.95;max-width:10ch}.hero-copy{max-width:52ch;color:var(--muted);font-size:1.05rem;margin-top:18px}.content-grid{display:grid;gap:24px;grid-template-columns:minmax(0,1.6fr) minmax(320px,.9fr)}.catalog-panel,.checkout-panel{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 18px 60px #28140a14;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panel-heading h2,.form-block h3{margin:0 0 8px}.panel-heading p,.form-block p,.cart-row p,.field-hint{margin:0;color:var(--muted)}.product-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:22px}.product-card{overflow:hidden;border-radius:24px;background:#fffc;border:1px solid var(--line)}.product-image{aspect-ratio:4 / 3;object-fit:cover}.product-copy,.product-footer{padding:16px}.product-copy h3{margin:0 0 8px}.product-copy p{margin:0;color:var(--muted)}.product-footer{display:flex;align-items:center;justify-content:space-between}.stepper{display:inline-flex;gap:8px;align-items:center}.stepper button,.primary-button{border:0;border-radius:999px;cursor:pointer}.stepper button{width:34px;height:34px;background:#efe2d6;color:var(--text)}.checkout-panel{display:flex;flex-direction:column;gap:18px}.cart-list{display:flex;flex-direction:column;gap:12px}.cart-row,.total-row{display:flex;align-items:center;justify-content:space-between}.empty-state{padding:16px;border-radius:18px;background:#ffffffb3}.total-row{padding-top:12px;border-top:1px solid var(--line)}.form-block{display:flex;flex-direction:column;gap:12px;padding:18px;border-radius:22px;background:#ffffffb3}.form-block input{width:100%;padding:14px 16px;border-radius:16px;border:1px solid rgba(31,26,23,.12);background:#fff}.split-fields{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}.primary-button{min-height:48px;padding:12px 18px;background:var(--primary);color:#fff;transition:background-color .18s ease,transform .18s ease}.primary-button:hover:enabled{background:var(--primary-dark);transform:translateY(-1px)}.primary-button:disabled{cursor:not-allowed;opacity:.6}.secondary-button{min-height:48px;padding:12px 18px;border-radius:16px;border:1px solid rgba(31,26,23,.16);background:#fff;color:var(--text);transition:background-color .18s ease,transform .18s ease}.secondary-button:hover:enabled{background:#b84c2a14;transform:translateY(-1px)}.secondary-button:disabled{cursor:not-allowed;opacity:.6}.edit-session-row{display:grid;gap:10px;grid-template-columns:minmax(0,1fr) auto;margin-top:10px}.edit-session-row input{min-height:44px;padding:10px 14px;border-radius:14px;border:1px solid rgba(31,26,23,.12);background:#fff}.session-box,.status{border-radius:18px;padding:14px 16px}.session-box{background:#b84c2a14;border:1px solid rgba(184,76,42,.16)}.status.success{background:#1f7a531a;color:var(--success)}.status.error{background:#a338381a;color:var(--error)}.result-panel{display:grid;gap:12px}.result-panel h3{margin:0;font-size:1rem}.result-json{margin:0;padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:#ffffffb8;color:var(--text);overflow:auto;max-height:420px;font-size:.78rem;line-height:1.45;white-space:pre-wrap;word-break:break-word}.bin-panel{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:24px;max-width:720px}.bin-form{display:grid;gap:10px}.bin-label{font-weight:600}.bin-form-row{display:grid;gap:10px;grid-template-columns:minmax(0,1fr) auto}.bin-form-row input{min-height:48px;padding:12px 16px;border-radius:16px;border:1px solid rgba(31,26,23,.12);background:#fff}@media (max-width: 960px){.content-grid{grid-template-columns:1fr}}@media (max-width: 640px){.page-shell{padding:28px 14px 40px}.catalog-panel,.checkout-panel{padding:18px;border-radius:22px}.split-fields,.bin-form-row,.edit-session-row{grid-template-columns:1fr}}