.message-history { display: grid; justify-items: center; gap: 6px; margin: 0 0 20px; color: var(--muted); font-size: 11px; }
.message-history button { padding: 8px 14px; border: 1px solid var(--line, #d2ddea); border-radius: 20px; background: var(--panel, #fff); color: var(--accent-strong); font: inherit; cursor: pointer; }
.message-history button:disabled { opacity: .65; cursor: default; }
.message-history small { text-align: center; }
.message-pane { overflow-anchor: none; }
.message-edited { margin-right: 4px; }
.message-delivery { display: inline-block; margin-left: 5px; font-size: 12px; font-weight: 700; letter-spacing: -3px; padding-right: 3px; }
.message-delivery[data-delivery-status="read"] { color: var(--accent-strong); }
.message-pending .message-bubble { min-width: 120px; opacity: .8; }
.message-pending [data-delivery-status="failed"] { color: #b94346; }
.message-pending-file { font-size: 12px; font-weight: 600; overflow-wrap: anywhere; margin-bottom: 4px; }
.message-retry { margin-left: 8px; padding: 4px 6px; border: 0; border-radius: 5px; color: var(--accent-strong); background: transparent; font: inherit; font-size: 11px; cursor: pointer; text-decoration: underline; }
[data-theme="dark"] .message-history button { background: #202f46; border-color: #38516e; }
[data-theme="dark"] .message-pending [data-delivery-status="failed"] { color: #ff9f9f; }