:root{--bg: #f4f6f8;--surface: #ffffff;--border: #e0e4e9;--text: #1c2530;--text-muted: #64748b;--primary: #2f6fed;--primary-contrast: #ffffff;--danger-bg: #fdecec;--danger-text: #a4262c;--success-bg: #e8f7ee;--success-text: #1e7a3e;--warning-bg: #fff6e0;--warning-text: #8a6100;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px}select{appearance:none;-webkit-appearance:none;-moz-appearance:none;background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2364748b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}.centered-screen{height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:min(340px,92vw);display:flex;flex-direction:column;gap:12px;box-shadow:0 4px 20px #0000000f}.login-card h1{margin:0;color:var(--primary)}.subtitle{margin:0 0 8px;color:var(--text-muted);font-size:14px}.login-card label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.login-card button{margin-top:8px;background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:10px;font-size:15px}.error-banner{background:var(--danger-bg);color:var(--danger-text);padding:8px 12px;border-radius:6px;font-size:13px}.success-banner{background:var(--success-bg);color:var(--success-text);padding:10px 12px;border-radius:6px;font-size:13px;margin:10px 0}.warning-banner{background:var(--warning-bg);color:var(--warning-text);padding:10px 12px;border-radius:6px;font-size:13px;margin:10px 0}.notif-banner{background:var(--warning-bg);color:var(--warning-text);padding:10px 16px;font-size:13px;display:flex;flex-direction:column;gap:8px}.notif-banner-actions{display:flex;align-items:center;gap:12px}.notif-banner-actions button:not(.link-button){background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:6px 12px;font-size:13px}.link-button{background:none;border:none;color:var(--primary);text-decoration:underline;padding:0;font-size:13px}.link-button.danger{color:var(--danger-text)}.data-table td button+button{margin-left:12px}.bulk-actions-bar{display:flex;align-items:center;gap:12px;background:var(--warning-bg);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;margin-bottom:12px;font-size:13px}.bulk-actions-bar button{padding:6px 12px;border-radius:6px;border:1px solid var(--border);background:var(--surface);font-size:13px}.bulk-actions-bar button.danger{background:var(--danger-bg);color:var(--danger-text);border-color:var(--danger-text)}.app-shell{display:flex;height:100vh;height:100dvh}.mobile-topbar{display:none}.sidebar{width:300px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.me-card{padding:16px;border-bottom:1px solid var(--border)}.me-header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.me-name{font-weight:600}.me-role{color:var(--text-muted);font-size:13px}.logout-button{flex-shrink:0;white-space:nowrap}.me-groups{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.group-chip{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:2px 8px;font-size:12px}.sidebar-section-title{padding:12px 16px 4px;font-size:12px;text-transform:uppercase;color:var(--text-muted);letter-spacing:.04em}.nav-item{display:flex;flex-direction:column;align-items:flex-start;width:100%;text-align:left;background:none;border:none;padding:8px 16px;font-size:14px;color:var(--text)}.room-list .nav-item{flex-direction:row;align-items:center;justify-content:space-between}.nav-item-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-item-actions{flex-shrink:0;display:flex;align-items:center;gap:6px}.unread-badge{flex-shrink:0;background:var(--primary);color:var(--primary-contrast);border-radius:999px;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:600;line-height:18px;text-align:center}.room-close{flex-shrink:0;width:18px;height:18px;border-radius:4px;display:none;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px;line-height:1}.room-close:hover{background:var(--danger-bg);color:var(--danger-text)}.room-item:hover .room-close{display:flex}@media (hover: none){.room-close{display:flex}}.nav-item:hover{background:var(--bg)}.nav-item.active{background:#eaf1ff;color:var(--primary);font-weight:600}.contact-groups{font-size:11px;color:var(--text-muted)}.empty-hint{padding:8px 16px;color:var(--text-muted);font-size:13px}.main-panel{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}.chat-view{display:flex;flex-direction:column;flex:1;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:8px}.message-row{display:flex}.message-row.mine{justify-content:flex-end}.message-bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;max-width:60%}.message-row.mine .message-bubble{background:var(--primary);color:var(--primary-contrast);border-color:var(--primary)}.message-sender{font-size:12px;font-weight:600;color:var(--primary);margin-bottom:2px}.message-redacted{font-style:italic;color:var(--text-muted)}.message-time{font-size:10px;opacity:.7;text-align:right;margin-top:4px}.attachment-image{display:block;max-width:280px;max-height:280px;border-radius:8px;margin-top:4px;object-fit:contain}.attachment-loading,.attachment-error{font-size:12px;color:var(--text-muted);padding:4px 0}.attachment-link{background:none;border:none;color:inherit;text-decoration:underline;padding:0;font-size:14px;text-align:left}.chat-input-bar{display:flex;gap:8px;padding:12px 20px;border-top:1px solid var(--border);background:var(--surface)}.attach-button{background:none;border:1px solid var(--border);border-radius:6px;padding:8px 10px}.chat-text-input{flex:1}.send-button{background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:8px 16px}.admin-panel{padding:24px;overflow-y:auto;flex:1;min-height:0}.admin-tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--border)}.admin-tab{background:none;border:none;padding:10px 4px;margin-right:16px;color:var(--text-muted);border-bottom:2px solid transparent}.admin-tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.inline-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}.inline-form button{background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:8px 14px}.multiselect{position:relative}.multiselect>.multiselect-trigger{display:flex;align-items:center;gap:8px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px;min-width:160px;max-width:260px}.multiselect>.multiselect-trigger:hover{border-color:var(--primary)}.multiselect-trigger-label{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.multiselect-caret{flex-shrink:0;width:10px;height:6px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2364748b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;transition:transform .15s ease}.multiselect-caret.open{transform:rotate(180deg)}.multiselect-panel{position:absolute;z-index:10;top:calc(100% + 4px);left:0;min-width:220px;max-width:320px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #0000001f;padding:8px}.multiselect-search{width:100%;margin-bottom:6px}.multiselect-options{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.multiselect-option{display:flex;align-items:center;gap:8px;padding:6px 4px;font-size:14px;border-radius:4px;cursor:pointer}.multiselect-option:hover{background:var(--bg)}.multiselect-empty{padding:8px 4px;color:var(--text-muted);font-size:13px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-table th,.data-table td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);font-size:13px}.data-table th{background:var(--bg);color:var(--text-muted);font-weight:600}.plain-list{list-style:none;padding:0;margin:0 0 16px}.plain-list li{padding:6px 0;border-bottom:1px solid var(--border)}.plain-list.clickable li{cursor:pointer}.plain-list.clickable li:hover,.plain-list.clickable li.active{color:var(--primary);font-weight:600}.room-search{width:100%;max-width:360px;margin-bottom:12px}.admin-rooms-layout{display:grid;grid-template-columns:400px 1fr;gap:20px;align-items:start}.admin-rooms-list{max-height:70vh;overflow-y:auto;margin:0}.admin-transcript-wrap{display:flex;flex-direction:column;gap:10px;min-height:0}.admin-transcript-toolbar{display:flex;align-items:center;gap:10px}.admin-transcript-toolbar button{background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:6px 12px;font-size:13px}.disabled-note{color:var(--warning-text);font-size:13px}.tag{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;vertical-align:middle}.tag-deleted{background:var(--danger-bg);color:var(--danger-text)}.admin-transcript{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;max-height:60vh;overflow-y:auto}.transcript-line{padding:4px 0;font-size:14px}.transcript-time{font-size:11px;color:var(--text-muted)}.table-scroll{overflow-x:auto}@media (max-width: 768px){input,select{font-size:16px}.sidebar{width:100%}.main-panel,.app-shell.detail-open .sidebar{display:none}.app-shell.detail-open .main-panel{display:flex;width:100%}.mobile-topbar{display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.mobile-back{background:none;border:none;color:var(--primary);font-size:15px;font-weight:600;padding:6px 4px;flex-shrink:0}.mobile-topbar-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-item{padding:12px 16px}.chat-input-bar{padding:10px 12px}.message-bubble{max-width:85%}.admin-panel{padding:14px}.admin-tabs{overflow-x:auto;scrollbar-width:none}.admin-tabs::-webkit-scrollbar{display:none}.admin-tab{flex-shrink:0}.inline-form{flex-direction:column;align-items:stretch}.inline-form input,.inline-form select{width:100%}.admin-rooms-layout{grid-template-columns:1fr}.admin-transcript{max-height:40vh}}