*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--school-primary: #8b0000;--school-primary-dark: #2a0000;--bg: #f0f2f5;--text: #1c1c1e;--text-muted: #8e8e93;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;--ease-spring: cubic-bezier(.34, 1.4, .64, 1);--ease-out: cubic-bezier(.22, 1, .36, 1)}html,body{height:100%;overscroll-behavior:none;-webkit-text-size-adjust:100%;background:#f0f2f5}body{font-family:var(--font);background:#f0f2f5;-webkit-font-smoothing:antialiased;color:var(--text)}button{font-family:var(--font)}#root{height:100%;display:flex;justify-content:center;padding:4px;background:#f0f2f5}@media(min-width:768px){#root{justify-content:flex-start}}.app{display:flex;flex-direction:column;width:100%;max-width:430px;height:100%;background:var(--bg);position:relative;overflow:hidden;border-radius:16px;box-shadow:0 8px 32px #00000024,0 2px 8px #00000014}@media(min-width:768px){.app--chat{flex-direction:column;max-width:none;width:100%}}.chat-body{flex:1;min-height:0;display:flex;flex-direction:row;overflow:hidden}.chat-main{display:flex;flex-direction:column;flex:1;min-width:0;max-width:430px;overflow:hidden}@media(min-width:768px){.chat-main{max-width:none}}.chat-ad-sidebar{display:none}@media(min-width:768px){.chat-ad-sidebar{display:flex;flex-direction:column;align-items:stretch;width:220px;flex-shrink:0;position:relative;background:var(--bg);border-right:none;padding:4px;overflow:hidden;text-decoration:none;color:inherit}.chat-ad-sidebar:hover{background:#f8f9fa}}.chat-ad-strip{display:none}@media(max-width:767px){.chat-ad-strip{display:block;position:relative;background:#fff;border-bottom:none;text-decoration:none;flex-shrink:0;overflow:hidden;max-height:70px}.chat-ad-strip:hover{background:#f8f9fa}}.chat-ad-img--desktop{width:100%;height:100%;object-fit:cover;display:block}.chat-ad-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:22px;font-weight:800;text-align:center;text-shadow:0 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10px);right:52px;width:32px;height:32px;border-radius:50%;border:none;background:#ffffff29;color:#ffffffe0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1}.header-export:hover{background:#ffffff42}.header-back{position:absolute;top:calc(env(safe-area-inset-top,0px) + 10px);right:14px;width:32px;height:32px;border-radius:50%;border:none;background:#ffffff29;color:#ffffffe0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,transform .15s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1}.header-back:hover{background:#ffffff42}.header-back:active{transform:scale(.88);background:#ffffff52}.fb-btn--copy{font-size:13px;min-width:28px}.header-inner{padding:16px 24px 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12px;display:flex;flex-direction:column;gap:4px;-webkit-overflow-scrolling:touch}.messages::-webkit-scrollbar{display:none}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:28px 20px;animation:fadeIn .4s var(--ease-out) both}.empty-welcome{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.empty-welcome .msg-avatar{align-self:center}.empty-welcome-text{display:flex;flex-direction:column;gap:6px}.empty-title{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.3px;line-height:1.2}.empty-subtitle{font-size:14px;color:var(--text-muted);line-height:1.55;max-width:260px;margin:0 auto}.quick-questions{display:flex;flex-direction:column;gap:8px;width:100%;max-width:340px}.quick-q{padding:12px 16px;border-radius:14px;border:1.5px solid rgba(0,0,0,.07);background:#fff;color:var(--text);font-size:14px;font-weight:500;text-align:left;cursor:pointer;transition:background .15s,border-color 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100%);padding-top:env(safe-area-inset-top,0px);position:relative;overflow:hidden}.picker-header-inner{padding:44px 24px 36px;text-align:center;position:relative;z-index:1}.picker-icon{display:inline-flex;margin-bottom:14px}.picker-title{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.8px;line-height:1.1}.picker-subtitle{margin-top:6px;font-size:14px;color:#fff9;letter-spacing:.01em}.picker-header-fade{position:absolute;bottom:0;left:0;right:0;height:28px;background:linear-gradient(to bottom,transparent,white);pointer-events:none;z-index:2}.picker-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;min-height:0}.picker-body::-webkit-scrollbar{display:none}.picker-search-wrap{flex-shrink:0;padding:16px 16px 12px;background:#fff;position:sticky;top:0;z-index:10}.picker-search{width:100%;background:#fff;border:1.5px solid rgba(0,0,0,.1);border-radius:99px;padding:11px 16px 11px 42px;font-size:15px;font-family:var(--font);color:var(--text);outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238e8e93' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.099zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:15px center;box-shadow:0 1px 4px #0000000f;transition:border-color .18s,box-shadow .18s}.picker-search:focus{border-color:var(--school-primary);box-shadow:0 0 0 3px #1c2b4a1a,0 1px 4px #0000000f}.picker-search::placeholder{color:var(--text-muted)}.picker-section-label{padding:10px 20px 4px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);flex-shrink:0}.picker-list{list-style:none;margin:0;padding:0 0 4px;flex:1}.picker-status{padding:28px 24px;text-align:center;color:var(--text-muted);font-size:14px}.picker-item{display:flex;align-items:center;padding:10px 20px;gap:12px;cursor:pointer;transition:background .1s;animation:fadeIn .18s var(--ease-out) both}.picker-item:hover{background:#f5f7fa}.picker-item:active{background:#edf0f5}.picker-item-avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0;letter-spacing:-.5px;overflow:hidden}.picker-item-avatar img{width:24px;height:24px;object-fit:contain}.picker-item-name{flex:1;font-size:15px;font-weight:500;color:var(--text);min-width:0;line-height:1.3}.picker-item--soon .picker-item-name{color:var(--text-muted)}.picker-item-badge{font-size:11px;font-weight:500;color:var(--text-muted);border:1px solid rgba(0,0,0,.14);background:#fff;padding:3px 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.header-back{top:calc(env(safe-area-inset-top,0px) + 16px);right:20px}.app--chat .header-export{top:calc(env(safe-area-inset-top,0px) + 16px);right:62px}.app--chat .messages{padding:28px max(28px,calc(50% - 430px)) 16px}.app--chat .msg-content{max-width:78%}.app--chat .input-bar{margin:8px max(20px,calc(50% - 430px)) 20px;padding:10px 12px 10px 18px;border-radius:16px;border:1.5px solid rgba(0,0,0,.11);border-top:1.5px solid rgba(0,0,0,.11);background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:0 2px 20px #00000017}.app--chat .error-bar{margin:0 max(20px,calc(50% - 430px)) 8px}.app--chat .empty-state{width:100%;max-width:800px;align-self:center}.app--chat .quick-questions{flex-direction:row;max-width:100%;gap:10px}.app--chat .quick-q{flex:1;min-width:0}}.sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000006b;display:flex;flex-direction:column;justify-content:flex-end;z-index:50;animation:fadeIn .2s ease both}.sheet-body{background:#fff;border-radius:24px 24px 0 0;padding:28px 20px calc(28px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px;animation:slideUp .32s var(--ease-spring) both}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-title{font-size:18px;font-weight:700;text-align:center;color:var(--text);margin-bottom:4px}.sheet-sub{font-size:14px;text-align:center;color:var(--text-muted)}.sheet-input{width:100%;border:1.5px solid rgba(0,0,0,.1);border-radius:12px;padding:12px 14px;font-size:16px;font-family:var(--font);color:var(--text);outline:none;transition:border-color .18s}.sheet-input:focus{border-color:var(--school-primary)}.sheet-error{font-size:13px;color:#cf1322;text-align:center}.sheet-submit{width:100%;padding:14px;border:none;border-radius:14px;background:var(--school-primary);color:#fff;font-size:16px;font-weight:600;font-family:var(--font);cursor:pointer;transition:opacity .15s,transform .12s}.sheet-submit:hover:not(:disabled){opacity:.88}.sheet-submit:active:not(:disabled){transform:scale(.98)}.sheet-submit:disabled{opacity:.42;cursor:default}.sheet-cancel{background:none;border:none;color:var(--text-muted);font-size:15px;font-family:var(--font);cursor:pointer;padding:8px;text-align:center;transition:color .15s}.sheet-cancel:hover{color:var(--text)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}