: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;--motion-fast: .15s;--motion-base: .2s;--motion-slow: .25s;--motion-easing: cubic-bezier(.4, 0, .2, 1);--safe-area-top: env(safe-area-inset-top, 0px)}*{box-sizing:border-box}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@keyframes fade-in{0%{opacity:0}}@keyframes sheet-slide-up{0%{transform:translateY(100%)}}@keyframes panel-pop-in{0%{opacity:0;transform:translateY(-4px) scale(.98)}}@keyframes modal-panel-in{0%{opacity:0;transform:scale(.97)}}@keyframes 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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:var(--radius);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-root{display:flex;flex-direction:column;position:fixed;top:0;left:0;right:0;height:var(--app-height, 100dvh);transition:height var(--motion-slow) var(--motion-easing);transform:translateZ(0);background:var(--surface)}.app-shell{display:flex;flex:1;min-height:0}.top-nav{display:flex;align-items:center;gap:20px;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.top-nav-items{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto}.top-nav-item{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;padding:8px 12px;border-radius:var(--radius);background:none;border:none;color:var(--text);font-size:14px;white-space:nowrap;transition:background-color var(--motion-fast) var(--motion-easing),color var(--motion-fast) var(--motion-easing)}.top-nav-item:hover{background:var(--bg)}.top-nav-item.active{background:#eaf1ff;color:var(--primary);font-weight:600}.top-nav-item-icon{font-size:16px}.top-nav-right{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}.top-nav-identity{display:flex;flex-direction:column;align-items:flex-end;background:none;border:none;padding:4px 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solid var(--border);background:var(--surface);flex-shrink:0;min-height:44px}.chat-header-back{display:none;flex-shrink:0;background:none;border:none;font-size:18px;color:var(--text);padding:0 4px 0 0}.chat-header-avatar{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--primary);color:var(--primary-contrast);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.chat-header-avatar-img{flex-shrink:0;width:36px;height:36px;border-radius:50%;object-fit:cover}.chat-header-identity{display:flex;align-items:center;gap:10px;flex:1;min-width:0;background:none;border:none;padding:0;text-align:left;cursor:pointer}.chat-header-identity:disabled{cursor:default}.chat-header-info{flex:1;min-width:0;display:flex;flex-direction:column}.chat-header-name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-status{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-status.online{color:var(--success-text)}.chat-header-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;border:1px solid var(--border);background:none;font-size:14px;flex-shrink:0}.chat-header-icon-btn:hover{border-color:var(--primary)}.chat-search-input{flex:1}.chat-search-empty{text-align:center;color:var(--text-muted);font-size:13px;padding:20px 0}.chat-loading-older{text-align:center;color:var(--text-muted);font-size:12px;padding:8px 0}.chat-pinned-banner{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.chat-pinned-icon{flex-shrink:0;font-size:14px}.chat-pinned-body{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:1px;background:none;border:none;padding:0;text-align:left}.chat-pinned-label{font-size:11px;font-weight:600;color:var(--primary)}.chat-pinned-text{font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.chat-pinned-unpin{flex-shrink:0;width:28px;height:28px;border-radius:999px;border:none;background:none;color:var(--text-muted);font-size:14px;display:inline-flex;align-items:center;justify-content:center}.chat-pinned-unpin:hover{background:var(--danger-bg);color:var(--danger-text)}.chat-typing-indicator{padding:2px 20px 6px;font-size:12px;color:var(--text-muted);font-style:italic}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:8px}.message-row{display:flex;align-items:center;gap:4px}.message-row-enter{animation:message-in var(--motion-slow) var(--motion-easing)}.message-row.mine{justify-content:flex-end}.message-swipe-reply-icon{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:16px;color:var(--primary);align-self:center;transform:scale(.75);transition:transform var(--motion-fast) var(--motion-easing),background-color var(--motion-fast) var(--motion-easing),color var(--motion-fast) var(--motion-easing)}.message-swipe-reply-icon.armed{background:var(--primary);color:var(--primary-contrast);transform:scale(1)}.message-popup{min-width:220px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #0000001f;padding:4px;animation:panel-pop-in var(--motion-fast) var(--motion-easing)}.message-popup-reactions{display:flex;justify-content:space-between;gap:2px;padding:6px 4px;border-bottom:1px solid var(--border);margin-bottom:4px}.message-popup-reaction-btn{flex:1;background:none;border:none;font-size:18px;min-height:36px;border-radius:6px;display:flex;align-items:center;justify-content:center}.message-popup-reaction-btn:hover{background:var(--bg)}.message-popup-actions{display:flex;flex-direction:column}.message-reply-picker{min-width:220px;max-width:280px}.message-reply-picker .actions-menu-item{display:flex;flex-direction:column;align-items:flex-start;gap:1px;min-height:44px;padding:6px 12px}.message-reply-picker-sender{font-weight:600;font-size:12px;color:var(--primary)}.message-reply-picker-body{font-size:13px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.message-select-checkbox{flex-shrink:0;display:flex;align-items:center;cursor:pointer}.message-select-checkbox input{width:20px;height:20px;min-height:0;margin:0}.message-bubble.selectable{cursor:pointer}.message-bubble.selected{outline:2px solid var(--primary);outline-offset:-1px}.chat-select-toolbar{display:flex;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--border);background:var(--surface);flex-shrink:0}.chat-select-cancel{flex-shrink:0;width:32px;height:32px;border-radius:999px;border:none;background:none;color:var(--text-muted);font-size:14px}.chat-select-count{flex:1;font-size:14px;color:var(--text)}.chat-select-action{flex-shrink:0;min-height:44px;padding:0 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.chat-select-action:disabled{opacity:.5}.chat-select-action.danger{border-color:var(--danger-text);color:var(--danger-text)}.message-bubble-stack{display:flex;flex-direction:column;gap:4px;max-width:60%}.message-row.mine .message-bubble-stack{align-items:flex-end}.message-bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}@keyframes bubble-bounce{0%{transform:scale(1)}35%{transform:scale(.94)}65%{transform:scale(1.04)}to{transform:scale(1)}}.bubble-bounce{animation:bubble-bounce .3s var(--motion-easing)}.message-row.mine .message-bubble{background:var(--primary);color:var(--primary-contrast);border-color:var(--primary)}.message-reactions{display:flex;flex-wrap:wrap;gap:4px}.message-reaction-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;min-height:24px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-size:12px;line-height:1;color:var(--text)}.message-reaction-pill.mine-reaction{border-color:var(--primary);background:#eaf1ff}.message-reaction-count{color:var(--text-muted);font-weight:600}.message-reaction-pill.mine-reaction 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var(--motion-easing)}.icon-select-option{display:flex;align-items:center;gap:8px;min-height:40px;padding:0 10px;border-radius:6px;background:none;border:none;color:var(--text);font-size:14px;text-align:left}.icon-select-option:hover{background:var(--bg)}.icon-select-option.selected{font-weight:600;color:var(--primary)}.icon-select-check{margin-left:auto}.schedule-header-actions .btn-primary{width:44px;height:44px;padding:0;border-radius:var(--radius);display:inline-flex;align-items:center;justify-content:center}@media (min-width: 769px){.icon-select-trigger{width:auto;padding:0 12px;gap:6px}.icon-select-label{display:inline}.schedule-header-actions .btn-primary{width:auto;padding:8px 14px}}.button-group{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.button-group>button+button{margin-left:0}.button-group 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16px}.modal-body{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column}.profile-modal-body{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 0 4px}.profile-modal-avatar{width:64px;height:64px;border-radius:50%;background:var(--primary);color:var(--primary-contrast);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;margin-bottom:4px}.profile-modal-avatar-img{width:64px;height:64px;border-radius:50%;object-fit:cover;margin-bottom:4px}.profile-modal-name{font-size:16px;font-weight:600}.profile-modal-role{font-size:13px;color:var(--text-muted);margin-bottom:8px}.profile-modal-section{width:100%;border-top:1px solid var(--border);padding:12px 0 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769px){.page-panel{padding:24px}.card{padding:20px}.schedule-mode-toggle button{min-height:38px}.weekday-chip{min-height:34px}.schedule-end-option{min-height:auto}.schedule-end-option input[type=date],.schedule-end-option input[type=number]{flex:none}.button-group button{min-height:auto}.actions-menu-trigger{width:36px;height:36px;font-size:16px}.actions-menu-item{min-height:34px}.schedule-ics-url{display:inline;word-break:normal}.schedule-ics-actions,.schedule-ics-actions button{flex:none}.modal-backdrop{align-items:center;background:#0f172a73}.modal-panel{width:min(480px,90vw);min-height:0;max-height:85vh;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 20px 60px #00000040;animation:modal-panel-in var(--motion-base) var(--motion-easing)}}.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 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.mobile-bottom-nav{transform:translateY(100%);visibility:hidden;transition:transform var(--motion-slow) var(--motion-easing),visibility 0s linear var(--motion-slow)}.mobile-bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background:none;border:none;min-width:44px;min-height:44px;font-size:18px;color:var(--text-muted);border-radius:var(--radius);transition:color var(--motion-fast) var(--motion-easing)}.mobile-bottom-nav-item.active{color:var(--primary)}.mobile-bottom-nav-icon{line-height:1}.mobile-bottom-nav-chat{display:flex;align-items:center;justify-content:center;position:relative;width:52px;height:52px;border-radius:50%;border:none;background:var(--bg);color:var(--text-muted);font-size:24px;flex-shrink:0;transition:background-color var(--motion-fast) var(--motion-easing),color var(--motion-fast) var(--motion-easing);margin:0 4px}.mobile-bottom-nav-chat.active{background:var(--primary);color:var(--primary-contrast)}.mobile-bottom-nav-badge{position:absolute;top:2px;right:2px;border:2px solid var(--surface)}.mobile-sheet-backdrop{display:flex;align-items:flex-end;justify-content:center;position:fixed;top:0;right:0;bottom:0;left:0;z-index:55;background:#0f172a73;animation:fade-in var(--motion-fast) var(--motion-easing)}.mobile-sheet-panel{width:100%;max-height:80vh;overflow-y:auto;background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;padding:8px 16px calc(16px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px #0000001f;animation:sheet-slide-up var(--motion-base) var(--motion-easing)}.mobile-sheet-handle{width:36px;height:4px;border-radius:999px;background:var(--border);margin:4px auto 12px}.mobile-sheet-title{font-weight:600;margin-bottom:12px}.mobile-sheet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mobile-sheet-tile{display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:none;padding:8px 4px;text-align:center}.mobile-sheet-tile-icon{position:relative;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--bg);border-radius:8px}.mobile-sheet-tile-badge{position:absolute;top:-4px;right:-4px}.mobile-sheet-tile-label{font-size:12px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.mobile-sheet-identity{padding:12px 4px;border-top:1px solid var(--border);margin-top:4px}.mobile-sheet-identity-name{font-weight:600}.mobile-sheet-identity-role{color:var(--text-muted);font-size:13px}.mobile-sheet-identity-groups{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.mobile-sheet-actions{display:flex;gap:8px;padding:4px}.mobile-sheet-actions .btn-secondary{flex:1}.app-shell:not(.chat-open) .sidebar,.app-shell:not(.chat-open) .page-panel,.app-shell:not(.chat-open) .admin-panel{padding-top:calc(64px + env(safe-area-inset-top));padding-bottom:calc(64px + env(safe-area-inset-bottom))}.top-nav{display:none}.mobile-app-topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;position:fixed;top:0;left:0;right:0;z-index:41;padding:calc(10px + env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;transition:transform var(--motion-slow) var(--motion-easing),visibility 0s}.app-shell.chat-open .mobile-app-topbar{transform:translateY(-100%);visibility:hidden;transition:transform var(--motion-slow) var(--motion-easing),visibility 0s linear var(--motion-slow)}.mobile-app-topbar-right{display:flex;align-items:center;gap:6px;flex-shrink:0}.mobile-app-topbar-role{color:var(--text-muted);font-size:13px;white-space:nowrap}.chat-header-back{display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:32px}.chat-header{padding-top:calc(10px + env(safe-area-inset-top))}.nav-item{padding:12px 16px}.chat-input-bar{padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.chat-select-toolbar{padding:10px 16px calc(10px + env(safe-area-inset-bottom))}.message-bubble-stack{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%}.inline-form button{width:100%;min-height:44px}.admin-rooms-layout{display:block}.admin-rooms-layout.detail-open .admin-rooms-list,.admin-transcript-wrap{display:none}.admin-rooms-layout.detail-open .admin-transcript-wrap{display:flex}.admin-rooms-list{max-height:none}.room-detail-topbar{display:flex;align-items:center;gap:10px;margin-bottom:10px}.room-detail-back{background:none;border:none;color:var(--primary);font-size:15px;font-weight:600;padding:6px 4px;flex-shrink:0}.room-detail-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-transcript{max-height:none;display:flex;flex-direction:column-reverse}}