:root{--bg: #f8fafc;--panel: #ffffff;--text: #0f172a;--muted: #6b7280;--border: #e5e7eb;--primary: #2f6fed;--primary-hover: #255ddb;--ring: rgba(47,111,237,.25);--input-bg: #ffffff;--input-text: #0f172a;--radius: 12px;--space: 16px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;--shadow: 0 10px 30px rgba(2,6,23,.08)}html[data-theme=dark]{--bg: #0b0f14;--panel: #0f1720;--text: #e5e7eb;--muted: #9ca3af;--border: #334155;--primary: #60a5fa;--primary-hover: #4e8fe4;--ring: rgba(96,165,250,.25);--input-bg: #111827;--input-text: #e5e7eb;--shadow: 0 10px 30px rgba(0,0,0,.35)}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding:24px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.card{border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;background:var(--panel);box-shadow:var(--shadow)}.intro{max-width:820px;margin:0 auto 16px}.intro__title{margin:0 0 4px}.intro__subtitle{margin:0 0 12px;color:var(--muted)}.intro__list{margin:.5rem 0 0;padding-left:1.25rem}.sub{color:#666;margin:0 0 1rem}.section-title{margin:0 0 8px}.toolbar{display:flex;gap:8px;flex-wrap:wrap;max-width:820px;margin:0 auto 16px}.toolbar button{padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:color-mix(in oklab,var(--panel) 92%,var(--text) 8%);color:var(--text);transition:transform .05s ease,background .15s ease,border-color .15s ease;cursor:pointer}.toolbar button:hover{background:color-mix(in oklab,var(--panel) 85%,var(--text) 15%)}.toolbar button:active{transform:translateY(1px)}.active-key-label{margin-left:12px;opacity:.7}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:2px 8px;border-radius:999px;background:#f2f4f7;color:#111;border:1px solid transparent}.badge--muted{background:#f2f4f7;color:#111;border:1px solid #e3e6eb;border-color:#e3e6eb}.badge--success{background:#dcfce7;color:#166534;border-color:#bbf7d0}.badge--error{background:#fee2e2;color:#991b1b;border-color:#fecaca}.badge--neutral{background:#e0f2fe;color:#0c4a6e;border-color:#bae6fd}hr{border:0;height:1px;background:var(--border);margin:18px 0}.applepay-context{margin-top:16px}.applepay-context__header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.applepay-context__title{margin:0;font-size:1rem}.applepay-context__hint{margin-top:8px;margin-bottom:12px;color:var(--muted)}.applepay-context__code{margin:0;padding:12px 14px;background:color-mix(in srgb,var(--panel) 85%,var(--text) 15%);border:1px dashed var(--border);border-radius:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:220px;overflow:auto}.applepay-context__controls{display:inline-flex;align-items:center;gap:8px}.applepay-toggle{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:color-mix(in oklab,var(--panel) 92%,var(--text) 8%);color:var(--text);cursor:pointer;font-size:12px}.applepay-toggle:hover{background:color-mix(in oklab,var(--panel) 85%,var(--text) 15%)}.applepay-context--collapsed .applepay-context__panel{display:none}.tip{position:relative;cursor:help}.tip[data-tip]:focus:after,.tip[data-tip]:hover:after{content:attr(data-tip);position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 8px);white-space:pre-line;max-width:28rem;background:#111;color:#fff;font-size:12px;line-height:1.3;padding:8px 10px;border-radius:6px;box-shadow:0 6px 18px #00000040;z-index:50}.tip[data-tip]:focus:before,.tip[data-tip]:hover:before{content:"";position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 4px);border:6px solid transparent;border-top-color:#111;z-index:51}.tip:focus{outline:2px solid #888;outline-offset:2px}#test-form{max-width:820px;margin:0 auto;padding:calc(var(--space) * 1.25);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}#test-form>*+*{margin-top:12px}label{display:grid;gap:6px;font-size:13px;color:var(--muted)}label input[type=text],label input[type=email],label input[type=tel]{appearance:none;width:100%;border:1px solid var(--border);background:var(--input-bg);color:var(--input-text);border-radius:10px;padding:12px 14px;font-size:15px;outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}label input::placeholder{color:color-mix(in oklab,var(--muted) 75%,transparent)}label input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}@media (min-width: 720px){.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}}.sdk-surface{border:1px dashed var(--border)!important;background:color-mix(in oklab,var(--panel) 92%,var(--text) 8%);border-radius:10px;padding:10px!important}.paybar{margin-top:12px}button[type=submit]{width:100%;margin-top:8px;padding:14px 16px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;font-size:16px;letter-spacing:.2px;box-shadow:0 6px 18px #2f6fed40;transition:filter .15s ease,transform .05s ease,background .15s ease;cursor:pointer}button[type=submit]:hover{background:var(--primary-hover)}button[type=submit]:active{transform:translateY(1px)}button[disabled]{opacity:.6;cursor:not-allowed}.basket{display:grid;gap:14px}.basket__header{display:flex;justify-content:space-between;align-items:center}.basket__title{margin:0 0 6px}.basket__items{display:grid;gap:12px}.basket__row{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;border:1px solid var(--border);border-radius:10px;padding:10px;background:#fff}html[data-theme=dark] .basket__row{background:#0f1720}.basket__thumb{width:56px;height:56px;border-radius:8px;background:#f5f6f8;display:grid;place-items:center;font-size:12px;color:#667085}.basket__meta{color:#667085;font-size:12px}.basket__qty{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:2px 8px}.basket__qty button{border:none;background:#f3f4f6;padding:2px 8px;border-radius:6px;cursor:pointer}.basket__price{font-variant-numeric:tabular-nums;min-width:72px;text-align:right}.basket__remove{border:none;background:transparent;color:#667085;cursor:pointer;font-size:12px}.basket__totals{display:grid;gap:6px;border-top:1px dashed var(--border);padding-top:12px}.basket__line{display:flex;justify-content:space-between}.basket__line--em{font-weight:700}.basket__controls{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.basket__charged{font-weight:800}.switch{display:inline-flex;align-items:center;gap:8px;font-size:14px}.switch input{accent-color:#0ea5e9}.outro{max-width:820px;margin:16px auto 0}