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.5rem}.btn-ghost:hover:not(:disabled){color:var(--fg)}button{font:inherit;cursor:pointer;border-radius:var(--radius-sm);background:var(--accent);width:100%;color:var(--accent-fg);border:none;margin-top:1rem;padding:.6rem 1rem;font-weight:500;transition:background-color .15s}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.55;cursor:default}button.secondary{background:var(--surface);color:var(--fg);border:1px solid var(--border-strong)}button.link{color:var(--brand);background:0 0;border:none;width:auto;margin-top:0;padding:0}button.link.muted{color:var(--fg-muted)}.btn{width:auto;margin-top:0}.icon-btn{border-radius:var(--radius-sm);width:34px;height:34px;color:var(--fg-muted);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;transition:background-color .15s,color .15s;display:inline-flex}.icon-btn:hover{background:var(--surface-hover);color:var(--fg)}.theme-toggle{border-radius:var(--radius-sm);border:1px 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auto}.reading-header{border-bottom:1px solid var(--border);padding:1.5rem 1.75rem 1.25rem}.reading-header h1{margin-bottom:1rem;font-size:1.2rem}.reading-meta{align-items:center;gap:.75rem;display:flex}.reading-meta-text{font-size:.85rem;line-height:1.5}.reading-body{min-height:10rem}@media (width<=860px){.mail-split{grid-template-columns:1fr}.reading-pane{display:none}}