:root{--green:#4e6a1f;--green-dark:#3d5417;--green-light:#7e9b41;--mint:#edf2e0;--ink:#25302a;--body:#4a5a62;--muted:#8a9187;--hairline:#e2e6da;--surface:#fff;--canvas:#f4f5f0;--danger:#a83a34;--danger-bg:#fbeeee;--warn:#8a6d1f;--warn-bg:#fdf6e3;--radius:8px;--radius-sm:6px;--shadow:0 1px 2px #25302a0f, 0 4px 16px #25302a0d;--font:"Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}body{font-family:var(--font);color:var(--body);background:var(--canvas);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;font-size:15px;line-height:1.5;display:flex}main{flex-direction:column;flex:1;min-height:0;display:flex}h1,h2,h3{color:var(--ink);margin:0}code{background:var(--mint);border-radius:4px;padding:1px 5px;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.9em}.topbar{background:var(--surface);border-bottom:1px solid var(--hairline);justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.topbar__brand{align-items:center;gap:10px;display:flex}.topbar__mark{background:var(--green);border-radius:50%;flex:none;width:22px;height:22px}.topbar__name{color:var(--ink);letter-spacing:.2px;font-weight:600}.topbar__account{align-items:center;gap:12px;display:flex}.topbar__user{color:var(--muted);font-size:13px}.button{font:inherit;border-radius:var(--radius-sm);cursor:pointer;text-align:center;border:1px solid #0000;padding:10px 18px;font-weight:600;text-decoration:none;transition:background-color .12s,border-color .12s;display:inline-block}.button--primary{background:var(--green);color:#fff}.button--primary:hover:not(:disabled){background:var(--green-dark)}.button--primary:disabled{cursor:not-allowed;background:#c4cbb8}.button--quiet{color:var(--body);border-color:var(--hairline);background:0 0}.button--quiet:hover{border-color:var(--muted)}.button--wide{width:100%}.signin{text-align:center;max-width:480px;margin:96px auto;padding:0 24px}.signin__title{margin-bottom:12px;font-size:26px}.signin__body{margin:0 0 28px}.signin__error{color:var(--danger);background:var(--danger-bg);text-align:left;border-radius:6px;margin:20px 0 0;padding:12px 16px}.page-message{text-align:center;max-width:560px;color:var(--muted);margin:80px auto;padding:0 24px}.page-message--error{color:var(--body)}.page-message--error h2{margin-bottom:8px}.workspace{flex:1;grid-template-columns:minmax(380px,1fr) minmax(420px,1.1fr);gap:0;min-height:0;display:grid}.form{padding:24px 24px 48px;overflow-y:auto}.group{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--surface);margin:0 0 14px;padding:4px 18px 14px}.group__legend{color:var(--ink);letter-spacing:1px;text-transform:uppercase;margin:14px 0 4px;font-size:12px;font-weight:700}.subsection{border-top:1px solid var(--hairline);padding:12px 0 2px}.subsection:first-of-type{border-top:none;padding-top:6px}.subsection__title{color:var(--ink);font-size:13px;font-weight:600}.subsection__title--static{margin:0 0 10px;display:block}.subsection__toggle{width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;margin:0;padding:2px 0 10px;display:flex}.subsection__chevron{border-left:5px solid var(--muted);border-top:4px solid #0000;border-bottom:4px solid #0000;flex:none;width:0;height:0;transition:transform .12s}.subsection__chevron--open{transform:rotate(90deg)translate(-1px)}.subsection__badge{color:var(--danger);background:var(--danger-bg);border-radius:999px;margin-left:auto;padding:2px 8px;font-size:11px;font-weight:700}.subsection__fields{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px 14px;padding-bottom:6px;display:grid}.subsection__fields--fixed{grid-template-columns:repeat(var(--cols,2), minmax(0, 1fr))}.field{flex-direction:column;min-width:0;display:flex}.field__label{color:var(--ink);margin-bottom:4px;font-size:13px;font-weight:600}.subsection__fields:not(.subsection__fields--fixed)>.field--checkbox,.field--wide{grid-column:1/-1}@supports (grid-template-rows:subgrid){.field{grid-template-rows:subgrid;grid-row:span 3;row-gap:4px;display:grid}.field__label{margin-bottom:0}.field--checkbox{align-content:center}}.field--disabled .field__label{color:var(--muted)}.checkbox{color:var(--ink);cursor:pointer;align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.checkbox input{width:15px;height:15px;accent-color:var(--green);cursor:pointer}.field__required{color:var(--danger)}.control{font:inherit;color:var(--ink);border:1px solid var(--hairline);border-radius:var(--radius-sm);background:#fff;width:100%;min-width:0;padding:8px 10px;font-size:14px}.control:focus-visible{outline:2px solid var(--green-light);outline-offset:1px;border-color:var(--green-light)}.control--invalid{border-color:var(--danger);background:#fffcfc}.control:disabled{background:var(--canvas);color:var(--muted);cursor:not-allowed}textarea.control{resize:none;line-height:1.45;overflow:hidden}.field__help{color:var(--muted);margin:5px 0 0;font-size:12px}.field__error{color:var(--danger);margin:5px 0 0;font-size:12px;font-weight:600}.issues{flex-direction:column;gap:10px;margin-bottom:16px;display:flex}.issues__block{border-radius:var(--radius);padding:12px 16px;font-size:13px}.issues__block ul{margin:6px 0 0;padding-left:20px}.issues__block li+li{margin-top:3px}.issues__title{font-size:13px;font-weight:700}.issues__block--error{background:var(--danger-bg);color:#7c2c27}.issues__block--error .issues__title{color:#7c2c27}.issues__block--warning{background:var(--warn-bg);color:#6f5717}.issues__block--warning .issues__title{color:#6f5717}.send{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:14px;padding:20px;display:flex}.send--done{border-color:var(--green-light);background:var(--mint);align-items:flex-start}.send__title{letter-spacing:.2px;font-size:15px}.send__body{margin:0;font-size:14px}.send__hint{color:var(--muted);margin:0;font-size:12px}.send__error{color:var(--danger);margin:0;font-size:13px;font-weight:600}.send__unavailable{background:var(--warn-bg);border-radius:var(--radius-sm);color:#6f5717;border:1px solid #e8dcb5;margin:0;padding:11px 14px;font-size:13px;line-height:1.5}.confirm{border:1px solid var(--warn);background:var(--warn-bg);border-radius:var(--radius-sm);color:#6f5717;padding:14px 16px;font-size:13px}.confirm__title{color:#6f5717;font-size:14px}.confirm ul{margin:8px 0 12px;padding-left:20px}.confirm__actions{flex-wrap:wrap;gap:8px;display:flex}.preview{border-left:1px solid var(--hairline);background:#e9ebe3;flex-direction:column;min-width:0;display:flex}.preview__bar{background:var(--surface);border-bottom:1px solid var(--hairline);flex:none;justify-content:space-between;align-items:center;gap:16px;padding:10px 16px;display:flex}.preview__subject{min-width:0;color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.preview__subject-label{color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-right:8px;font-size:10px}.preview__controls{flex:none;align-items:center;gap:10px;display:flex}.segmented{border:1px solid var(--hairline);border-radius:var(--radius-sm);display:flex;overflow:hidden}.segmented__item{font:inherit;color:var(--body);cursor:pointer;background:#fff;border:none;padding:5px 11px;font-size:12px;font-weight:600}.segmented__item--active{background:var(--green);color:#fff}.size-pill{color:var(--muted);background:var(--canvas);border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700}.size-pill--warn{color:#6f5717;background:var(--warn-bg)}.preview__spinner{border:2px solid var(--hairline);border-top-color:var(--green);border-radius:50%;width:13px;height:13px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.preview__notice{background:var(--warn-bg);color:#6f5717;border-bottom:1px solid var(--hairline);margin:0;padding:10px 16px;font-size:12px}.preview__stage{flex:1;justify-content:center;padding:20px;display:flex;overflow:auto}.preview__frame{border:1px solid var(--hairline);border-radius:var(--radius-sm);box-shadow:var(--shadow);background:#fff;flex:none}.preview__empty{color:var(--muted);text-align:center;max-width:40ch;margin:auto;font-size:14px}.preview__empty--error{color:var(--danger)}.preview__footnote{color:var(--muted);background:var(--surface);border-top:1px solid var(--hairline);flex:none;padding:9px 16px;font-size:11px}.copy{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--surface);flex-direction:column;gap:12px;margin-top:14px;padding:20px;display:flex}.button[data-blocked=true]{opacity:.55;cursor:not-allowed}.copy__warnings{background:var(--warn-bg);border-radius:var(--radius-sm);color:var(--warn);border:1px solid #e8dcb5;margin:0;padding:11px 14px;font-size:13px}.copy__warnings p{margin:0 0 6px;font-weight:600}.copy__warnings ul{margin:0;padding-left:18px}@media (width<=560px){.subsection__fields--fixed{grid-template-columns:1fr}}@media (width<=1000px){.workspace{flex:none;grid-template-columns:1fr}.form{overflow:visible}.preview{border-left:none;border-top:1px solid var(--hairline)}}