:root{color-scheme:light;--canvas:#fffdf7;--panel:#f2f4f0;--accent:#0f8560;--accent-soft:#d4f0e5;--text:#1f2926;--muted:#5a6d66;--line:#d5ddd9;--danger:#a32f2f}*{box-sizing:border-box}body,html{margin:0;height:100%;min-height:100%;overflow:hidden;font-family:Avenir Next,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 0 0,#f2f6ec 0,transparent 45%),radial-gradient(circle at 100% 100%,#e9f8f0 0,transparent 42%),var(--canvas)}button,input{font:inherit}.inbox-layout{display:grid;grid-template-columns:360px 1fr;height:100vh;min-height:100vh;overflow:hidden}.inbox-sidebar{border-right:1px solid var(--line);background:linear-gradient(180deg,#f9fbf8,#f2f4f0);display:flex;flex-direction:column;min-height:0}.inbox-sidebar-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:20px;border-bottom:1px solid var(--line)}.inbox-title{margin:0;font-size:1.2rem;line-height:1.2}.inbox-subtitle{margin:3px 0 0;color:var(--muted);font-size:.87rem}.inbox-search-wrap{padding:14px 16px;border-bottom:1px solid var(--line);display:grid;grid-gap:8px;gap:8px}.inbox-search{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}.polling-indicator{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.polling-indicator[data-active=true]{color:var(--accent);font-weight:700}.conversation-list{overflow-y:auto;flex:1 1;min-height:0}.conversation-item{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;padding:14px 16px;cursor:pointer}.conversation-item[data-selected=true]{background:var(--accent-soft)}.conversation-item:hover{background:#eaf2ee}.conversation-item-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.conversation-name{font-size:.95rem;max-width:75%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-time{color:var(--muted);font-size:.78rem}.conversation-preview{margin:4px 0 0;color:var(--muted);font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:78%}.conversation-meta{margin-top:4px;min-width:26px;height:22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;color:#fff;background:var(--accent)}.conversation-meta[data-error=true]{background:var(--danger)}.inbox-main{display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.inbox-main-toolbar{height:52px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;color:var(--muted);font-size:.82rem;background:#fff}.message-panel{display:flex;flex-direction:column;min-height:calc(100vh - 52px);overflow:hidden}.message-empty{align-items:center;justify-content:center;text-align:center;color:var(--muted)}.message-empty h2{margin:0;color:var(--text)}.message-panel-header{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:12px;background:#fff}.message-panel-header h2{margin:0;font-size:1.05rem}.message-panel-header p{margin:2px 0 0;color:var(--muted);font-size:.85rem}.message-panel-actions{display:flex;align-items:center;gap:10px}.load-older-btn,.refresh-btn{border:1px solid var(--line);border-radius:9px;padding:8px 11px;background:#fff;color:var(--text);cursor:pointer}.load-older-btn:hover,.refresh-btn:hover{border-color:var(--accent)}.load-older-wrap{border-bottom:1px solid var(--line);padding:10px 20px;background:#fff}.load-older-btn[disabled]{opacity:.6;cursor:default}.message-list{flex:1 1;padding:20px;overflow-y:auto;min-height:0;background:linear-gradient(180deg,rgba(245,249,246,.9),rgba(250,252,249,.9)),repeating-linear-gradient(-45deg,rgba(20,80,56,.03),rgba(20,80,56,.03) 8px,transparent 0,transparent 16px)}.date-divider{display:flex;justify-content:center;margin:18px 0 10px}.date-divider span{background:#edf0ec;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:.74rem}.message-row{display:flex;margin-bottom:8px}.message-row[data-direction=incoming]{justify-content:flex-start}.message-row[data-direction=outgoing]{justify-content:flex-end}.message-bubble{max-width:min(74%,760px);border-radius:12px;border:1px solid transparent;padding:10px 12px}.message-bubble[data-direction=incoming]{background:#fff;border-color:#dde5e0}.message-bubble[data-direction=outgoing]{background:#dff6ea;border-color:#b7e5d0}.message-bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.92rem}.message-bubble-label{color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.message-bubble-meta{margin-top:6px;display:flex;justify-content:flex-end;gap:8px;color:var(--muted);font-size:.75rem}.message-error{display:block;color:var(--danger);font-size:.78rem;margin-top:5px}.state-block{margin:0;padding:16px;color:var(--muted);text-align:center}.state-error{color:var(--danger)}@media (max-width:980px){body,html{overflow:auto}.inbox-layout{grid-template-columns:1fr;height:auto;overflow:visible}.inbox-sidebar{min-height:45vh;border-right:0;border-bottom:1px solid var(--line)}.inbox-main-toolbar{display:none}.message-panel{min-height:auto}.inbox-main,.message-panel{overflow:visible}}