.project-discussion { position: fixed; right: 24px; bottom: 24px; z-index: 75; font-size: 14px; }
.project-discussion [hidden] { display: none !important; }
.project-discussion button { width: auto; min-width: 0; margin: 0; }
.project-discussion .discussion-toggle { background: #183e53; color: white; border-radius: 24px; padding: 12px 20px; box-shadow: 0 4px 16px #183e5326; }
.discussion-badge { display: inline-block; margin-left: 6px; background: #fff; color: #183e53; border-radius: 12px; padding: 1px 7px; }
.discussion-panel { position: absolute; right: 0; bottom: 56px; width: 390px; height: min(610px, calc(100dvh - 112px)); display: flex; flex-direction: column; background: white; color: #193445; border: 1px solid #dce4e9; border-radius: 16px; box-shadow: 0 12px 40px #183e5326; overflow: hidden; }
.discussion-panel header { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid #e8edef; }
.discussion-panel header strong { font-size: 17px; }
.discussion-panel header small { display: block; max-width: 300px; overflow-wrap: anywhere; color: #5a6c77; margin-top: 4px; }
.project-discussion .discussion-close { background: transparent; color: #193445; box-shadow: none; font-size: 24px; padding: 4px 10px; }
.discussion-shared-note { font-size: 12px; color: #5a6c77; background: #f3f7f8; padding: 10px 16px; margin: 0; }
.discussion-messages { flex: 1; min-height: 60px; overflow-y: auto; overscroll-behavior: contain; padding: 16px; }
.discussion-message { margin-bottom: 16px; overflow-wrap: anywhere; }
.discussion-message-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; font-size: 12px; }
.discussion-message time { color: #657883; font-size: 11px; }
.discussion-message p { white-space: pre-wrap; margin: 5px 0 0; color: #193445; line-height: 1.5; }
.project-discussion .discussion-older, .project-discussion .discussion-latest { background: #eff5f6; color: #234b60; border-radius: 0; box-shadow: none; padding: 7px; font-size: 12px; }
.discussion-status { margin: 0; padding: 0 16px; color: #784a23; font-size: 12px; }
.discussion-form { border-top: 1px solid #e8edef; padding: 12px 16px; }
.discussion-form label { font-size: 12px; margin: 0 0 6px; display: block; }
.discussion-form textarea { box-sizing: border-box; min-height: 64px; max-height: 130px; width: 100%; margin: 0; resize: vertical; font: inherit; border: 1px solid #cbd8df; border-radius: 8px; padding: 8px; }
.discussion-compose-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.discussion-compose-actions small { color: #657883; font-size: 11px; }
.discussion-compose-actions button { background: #183e53; color: white; padding: 8px 18px; }
@media (max-width: 600px) {
  .project-discussion { right: 12px; bottom: 12px; }
  .discussion-panel { width: min(390px, calc(100vw - 24px)); height: min(610px, calc(100dvh - 96px)); }
}

@media print { .project-discussion { display: none !important; } }