:root,:root[data-theme=light]{color-scheme:light;--page: #efeff4;--card: #ffffff;--input: #f2f2f7;--input-border: #e5e5ea;--text: #000000;--hint: #8e8e93;--accent: var(--tg-theme-button-color, #2481cc);--accent-text: var(--tg-theme-button-text-color, #ffffff);--secondary-button: #e5e5ea;--danger: #ff3b30;--ok: #34c759;--radius: 16px;--radius-small: 12px}:root[data-theme=dark]{color-scheme:dark;--page: #1c1c1e;--card: #2c2c2e;--input: #3a3a3c;--input-border: #48484a;--text: #ffffff;--hint: #8e8e93;--accent: var(--tg-theme-button-color, #2ea6ff);--accent-text: var(--tg-theme-button-text-color, #ffffff);--secondary-button: #3a3a3c;--danger: #ff453a;--ok: #30d158}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;color:var(--text);background:var(--page);-webkit-font-smoothing:antialiased}.app{max-width:640px;margin:0 auto;padding:12px 12px 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0;font-size:14px}.notice-error{background:#ff453a26;color:var(--danger)}.notice-ok{background:#30d15826;color:var(--ok)}.badge{font-size:13px;color:var(--hint)}.qr-preview{display:block;width:100%;max-width:320px;margin:10px auto;border-radius:var(--radius-small);background:#fff}.link-box{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:var(--input);padding:10px 12px;border-radius:var(--radius-small)}.center{text-align:center;padding:40px 12px}.save-bar{position:fixed;left:0;right:0;bottom:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--card);box-shadow:0 -4px 16px #00000026}.save-bar button{width:100%;padding:14px;font-size:16px}:root,:root[data-theme=light]{--guest-bg: radial-gradient(120% 60% at 50% -10%, #dbeafe 0%, var(--page) 60%);--guest-banner: linear-gradient(135deg, #2563eb 0%, #1d4ed8 60%, #1e40af 100%);--guest-dock: rgba(255, 255, 255, .92);--guest-button-border: 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var(--guest-button-border)}.guest-thanks-text{flex:1;font-weight:500}.guest-farewell{text-align:center;padding:48px 12px 24px}.guest-farewell-icon{font-size:56px;margin-bottom:8px}.guest-farewell h2{margin:0 0 8px;font-size:24px}.guest-farewell .button-link{margin-top:12px}.button-link{display:inline-block;padding:12px 18px;border-radius:var(--radius-small);background:var(--accent);color:var(--accent-text);font-weight:500;text-decoration:none;white-space:nowrap}.checkbox{display:flex;align-items:center;gap:10px;margin:12px 0 4px;font-size:15px}.checkbox input{width:20px;height:20px;margin:0}