.letter-reader { width: min(680px, calc(100vw - 24px)); max-height: calc(100dvh - 32px); box-sizing: border-box; padding: 24px; border: 1px solid var(--border, #dce3df); border-radius: 24px; background: var(--panel, #fff); color: var(--fg, #172b25); box-shadow: 0 20px 90px #10251c30; font-family: inherit; font-size: 16px; line-height: 1.6; overflow: auto; overflow-wrap: anywhere; }
.letter-reader::backdrop { background: #142b2255; backdrop-filter: blur(4px); }
.letter-reader { margin: auto; max-width: calc(100vw - 24px); }
.letter-reader .letter-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.letter-reader .letter-header > button { flex-shrink: 0; white-space: nowrap; }
.letter-reader h2 { margin: 0; font-size: 25px; line-height: 1.3; letter-spacing: -.5px; }
.letter-reader h3 { font-size: 20px; margin: 12px 0 4px; }
.letter-reader h4 { font-size: 17px; margin: 24px 0 6px; }
.letter-reader p { white-space: pre-wrap; margin: 10px 0; }
.letter-reader button { font: inherit; font-size: 15px; min-height: 44px; cursor: pointer; border-radius: 16px; padding: 10px 16px; border: 1px solid var(--border, #dce3df); }
.letter-reader button:disabled { opacity: .5; cursor: default; }
.letter-reader :focus-visible { outline: 3px solid var(--accent, #35654e); outline-offset: 3px; }
.letter-reader .letter-primary { background: var(--accent, #35654e); color: var(--accent-text, #fff); width: 100%; }
.letter-reader .letter-secondary { background: var(--bg, #f3f5f4); color: var(--fg, #172b25); }
.letter-reader .letter-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.letter-reader [hidden] { display: none !important; }
.letter-reader .letter-muted { color: var(--muted, #5b6d64); font-size: 13px; }
.letter-reader .letter-files { list-style: none; padding: 0; }
.letter-reader .letter-files li { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; border-bottom: 1px solid var(--border, #dce3df); padding: 8px 0; }
.letter-reader .letter-files li > span { flex: 1; min-width: 120px; font-size: 14px; }
.letter-reader .letter-consent { display: flex; align-items: flex-start; gap: 12px; margin: 20px 0; font-size: 14px; cursor: pointer; }
.letter-reader .letter-consent input { width: 22px; height: 22px; flex-shrink: 0; margin-top: 3px; accent-color: var(--accent, #35654e); }
.letter-reader .letter-status { font-size: 14px; }
.letter-reader .letter-country { display: flex; flex-direction: column; gap: 6px; margin: 16px 0 8px; font-size: 14px; font-weight: 600; }
.letter-reader .letter-country select { width: 100%; box-sizing: border-box; min-height: 44px; padding: 12px; border: 1px solid var(--border, #dce3df); border-radius: 12px; background: var(--bg, #f3f5f4); color: var(--fg, #172b25); font: inherit; font-size: 16px; }
.letter-reader .letter-warning { padding: 12px; border: 1px solid var(--border, #dce3df); border-radius: 12px; background: var(--tint, #eef3ef); }
.letter-reader .letter-source { font-size: 13px; margin: 8px 0 16px; }
.letter-reader .letter-source summary { cursor: pointer; color: var(--muted, #5b6d64); min-height: 32px; }
.letter-reader blockquote { margin: 8px 0; border-left: 2px solid var(--accent, #35654e); padding-left: 12px; white-space: pre-wrap; }
@media (max-width: 480px) { .letter-reader { padding: 18px; border-radius: 20px; } .letter-reader h2 { font-size: 22px; } .letter-reader .letter-header button { padding: 8px 10px; } }