:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--soft:#eef2f8;--ink:#18283c;--muted:#52637a;--line:#d5deeb;--accent:#176d66;--accent-ink:#fff;--danger:#a02c35;--shadow:0 16px 45px #172d4710}html[data-theme=dark]{color-scheme:dark;--bg:#0d1626;--surface:#192437;--soft:#24354a;--ink:#f1f5ff;--muted:#bdc9dc;--line:#3d4b63;--accent:#7cddce;--accent-ink:#0d2522;--danger:#ffb5bb;--shadow:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 'Segoe UI',system-ui,sans-serif}a{color:var(--accent)}button,input,textarea,select{font:inherit}button,.file-button{cursor:pointer}button{padding:10px 16px;min-height:44px;border-radius:10px;background:var(--surface);color:var(--ink);border:1px solid 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html[data-theme=dark] #data-checkout{background:var(--surface);border-color:var(--line)}html[data-theme=dark] #data-checkout :is(p,label,h2,h3,#data-payment-status){color:var(--ink)!important}html[data-theme=dark] #data-checkout :is(button,select){background:var(--soft);color:var(--ink);border-color:var(--line)}html[data-theme=dark] #data-checkout :is(button.primary,#data-paid-download){background:#6051e8;color:#fff}