:root{--bg:#f7f8fa;--card:#fff;--text:#1a1d24;--muted:#5a6473;--border:#e3e7ed;--accent:#2563eb;--accent-text:#fff;--error:#b91c1c;--success:#15803d}@media (prefers-color-scheme:dark){:root{--bg:#0f1319;--card:#171c24;--text:#e7eaf0;--muted:#9aa4b2;--border:#2a313c;--accent:#3b82f6;--accent-text:#fff;--error:#f87171;--success:#4ade80}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:520px;margin:0 auto;padding:32px 20px 8px;min-height:70vh}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:16px}h1{font-size:1.4rem;margin:0 0 4px}h2{font-size:1.1rem;margin:20px 0 8px}.muted{color:var(--muted);font-size:.9rem}label.field{display:block;margin:16px 0 6px;font-weight:600;font-size:.95rem}input[type=email],input[type=tel],input[type=text]{width:100%;font-size:16px;background:var(--bg);color:var(--text)}.channel,input[type=email],input[type=tel],input[type=text]{padding:12px 14px;border:1px solid var(--border);border-radius:10px}.channel{display:flex;align-items:center;gap:10px;margin-bottom:8px;cursor:pointer}.channel input{width:20px;height:20px}.consent-text{font-size:.82rem;color:var(--muted);border-left:3px solid var(--border);padding:4px 0 4px 12px;margin:16px 0}button.primary{width:100%;padding:14px;font-size:1rem;font-weight:600;color:var(--accent-text);background:var(--accent);border:none;border-radius:10px;cursor:pointer;margin-top:12px}button.primary:disabled{opacity:.55;cursor:not-allowed}.error{color:var(--error);font-size:.9rem;margin-top:12px}.success-icon{font-size:2.5rem}.footer{max-width:520px;margin:0 auto;padding:16px 20px 40px;text-align:center}.footer p{color:var(--muted);font-size:.78rem;margin:0}.legal a{color:var(--accent)}.prose{font-size:.92rem}.prose h1{font-size:1.3rem}.prose li,.prose p{color:var(--text)}