.project-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin:0 0 24px;overflow:auto}
.project-tabs a{padding:14px 0;white-space:nowrap;font-size:14px;font-weight:600;border-bottom:3px solid transparent}
.project-tabs a[aria-current=page]{color:var(--brown);border-bottom-color:var(--brown)}
.project-tabs a{white-space:normal;min-width:0;flex:1}.unread-count{display:block;font-size:12px;font-weight:600;color:#654021}
.unread-badge{background:#dfb889;color:#34271b;margin:10px 0 0;font-size:12px}.read-summary{padding:16px;background:#faf7f3;border:1px solid var(--line);border-radius:10px;margin:0 0 20px}.read-summary p{margin:0 0 12px}.read-summary .form-hint{margin:12px 0 0}
.read-receipts{list-style:none;padding:12px 0 0;border-top:1px solid var(--line);margin:12px 0 0;font-size:12px;color:#555}.read-receipts li{margin:4px 0}.read-receipt{font-size:12px;color:#555;margin-top:10px}
.project-has-unread{border-left:3px solid var(--brown);padding-left:12px;background:#fcf9f5}.project-summary .project-unread{font-size:12px;font-weight:600;color:#654021}.project-unread::before{content:'●';font-size:9px;margin-right:6px}
.conversation-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,1fr);gap:24px;align-items:start}
.conversation,.message-composer{min-width:0}.conversation-pages{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.message{border:1px solid var(--line);border-radius:12px;margin-top:20px;padding:20px;overflow-wrap:anywhere;scroll-margin-top:100px}
.message-own{background:#faf7f3;border-left:3px solid var(--brown)}
.message-heading{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.message-heading strong{font-size:14px}.message-heading time{font-size:12px;color:var(--muted)}
.message-body{margin:16px 0;font-size:15px;line-height:1.7}.message>.text-link{margin-top:10px}
.message-files{padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}
.message-photo{display:block;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:white}
.message-photo img{display:block;width:100%;height:160px;object-fit:contain;background:#eeeae4}.message-photo span{display:block;padding:8px 12px;font-size:12px;color:var(--brown)}
.message-pdf{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff;height:100%;font-size:13px}
.message-pdf>strong{color:var(--brown)}.message-pdf small{display:block;color:var(--muted);margin-top:6px}
.attachment-picker{margin-top:20px}.attachment-picker input{font-size:13px;padding:8px;width:100%;height:auto}
.attachment-picker input::file-selector-button{font:inherit;padding:10px;border:1px solid var(--line);border-radius:6px;margin-right:8px;cursor:pointer;background:#f5f1eb;color:var(--ink)}
.selected-files{padding-left:18px;font-size:12px;overflow-wrap:anywhere}.message-composer{scroll-margin-top:100px}
.photo-view{padding:16px}.photo-view img{display:block;width:auto;max-width:100%;height:auto;max-height:80vh;margin:auto;object-fit:contain}
@media(max-width:1100px){.conversation-layout{grid-template-columns:minmax(0,1fr)}.message-composer{max-width:none}}
@media(max-width:600px){.project-tabs{gap:16px}.project-tabs a{font-size:12px}.message{padding:14px}.message-files{gap:8px}.message-photo img{height:130px}.message-pdf{flex-direction:column;align-items:start;padding:12px}.photo-view{padding:8px}}

.message-read-action{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.message-read-action .mark-read-button{background:#166534;color:#fff;border:1px solid #166534;border-radius:7px;min-height:36px;padding:7px 12px;font-size:12px;width:auto}.message-read-action .mark-read-button:hover{background:#14532d}.message-read-action small{font-size:12px;color:var(--muted)}