.task-letter-preview{min-width:0;color:var(--ldm-text-primary);font-size:14px;line-height:1.5}.task-letter-envelope{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 20px;margin:0;padding:0 0 20px}.task-letter-envelope dt{color:var(--ldm-text-muted)}.task-letter-envelope dt:after{content:":"}.task-letter-envelope dd{min-width:0;margin:0;overflow-wrap:anywhere}.task-letter-envelope dd>a{text-decoration:none}.task-letter-envelope dd>a:hover{text-decoration:underline}.task-letter-subject{font-size:16px;line-height:1.5;font-weight:600}.task-letter-paper{border-top:1px solid var(--ldm-border-subtle);border-bottom:1px solid var(--ldm-border-subtle)}.task-letter-paper iframe{display:block;width:100%;height:clamp(240px,28vh,340px);border:0}.task-letter-empty{margin:0;padding:24px 0;color:var(--ldm-text-muted)}.task-letter-files{padding:20px 0}.task-letter-files h3{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:13px;font-weight:500}.task-letter-count{color:var(--ldm-text-muted);font-variant-numeric:tabular-nums}.task-letter-file-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.task-letter-file{display:grid;grid-template-columns:36px minmax(0,1fr);align-items:start;gap:12px;padding:12px 14px;border:1px solid var(--ldm-border);border-radius:8px;background:var(--ldm-bg-card-raised)}.task-letter-file-icon{display:flex;align-items:center;justify-content:center;width:36px;height:42px;color:var(--ldm-text-muted)}.task-letter-file-main{min-width:0}.task-letter-file-name{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:28px;color:var(--ldm-text-primary);font-size:13px;line-height:1.5;text-decoration:none}.task-letter-file-name span{min-width:0;overflow-wrap:anywhere}.task-letter-file-name>svg{flex-shrink:0;color:var(--ldm-accent)}a.task-letter-file-name:hover{color:var(--ldm-accent-hover)}.task-letter-file-name:focus-visible,.task-letter-details summary:focus-visible{outline:2px solid var(--ldm-accent);outline-offset:4px;border-radius:3px}.task-letter-file-meta{margin-top:2px;color:var(--ldm-text-muted);font-size:12px}.task-letter-details{border-top:1px solid var(--ldm-border-subtle)}.task-letter-details summary{width:fit-content;padding:12px 0;color:var(--ldm-text-muted);cursor:pointer;font-size:12px}.task-letter-details .task-letter-envelope{padding:4px 0 16px;font-size:13px}.task-letter-notice{display:flex;align-items:flex-start;gap:8px;margin:8px 0 0;color:var(--ldm-text-muted);font-size:12px;line-height:1.5}.task-letter-notice svg{flex-shrink:0;margin-top:2px}@media(max-width:480px){.task-letter-paper iframe{height:clamp(300px,42vh,420px)}.task-letter-envelope{gap:8px 12px;font-size:13px}.task-letter-subject{font-size:15px}.task-letter-file{gap:8px;padding:10px;grid-template-columns:28px minmax(0,1fr)}.task-letter-file-icon{width:28px}.task-letter-file-name{min-height:40px}}