:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;background-color:#f5f7fb;height:100vh;width:100vw;overflow:hidden}.app-container{display:flex;flex-direction:column;height:100vh;max-width:800px;margin:0 auto;background-color:#f5f7fb;border-left:1px solid #e0e0e0;border-right:1px solid #e0e0e0}.header{height:190px;width:100%;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;justify-content:flex-end;align-items:flex-start;padding:20px;box-shadow:0 4px 6px #0000001a}.language-select{padding:8px 15px;border-radius:20px;border:1px solid rgba(255,255,255,.3);background-color:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);color:#fff;font-weight:700;cursor:pointer;outline:none}.language-select option{background-color:#333;color:#fff}.chat-window{flex:1;overflow-y:auto;padding:20px;margin:10px;display:flex;flex-direction:column;gap:15px;border:solid 2px #252F42;border-radius:15px}.message{max-width:80%;padding:12px 16px;border-radius:12px;line-height:1.5;font-size:15px;word-wrap:break-word}.message.user{align-self:flex-end;background-color:#65da65;color:#333;border-bottom-right-radius:2px}.message.bot{align-self:flex-start;background-color:#035a9d;color:#fff;border-bottom-left-radius:2px}.input-area{padding:20px;margin:10px;background:#f5f5f5;display:flex;gap:10px;border:solid 1.5px #586E88;border-radius:15px}.input-field{flex:1;padding:12px;background:#f5f5f5;border:none;outline:none;font-size:16px}.send-button{background:#32cd32;color:#fff;border:none;padding:0 20px;border-radius:24px;cursor:pointer;font-weight:700;transition:background .2s}.send-button:disabled{background:#ccc}.popup-overlay{position:fixed;inset:0;background:#0009;display:flex;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.popup-content{background:#fff;padding:25px;border-radius:16px;width:90%;max-width:350px;text-align:center;box-shadow:0 10px 25px #0003;animation:popIn .2s ease-out}@keyframes popIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.popup-comparison{margin:20px 0;background:#f8f9fa;padding:15px;border-radius:8px}.typo{color:#dc2626;text-decoration:line-through}.fixed{color:#16a34a;font-weight:700;font-size:1.1rem}.arrow{color:#64748b;margin:5px 0}.popup-actions{display:flex;gap:10px;justify-content:space-between}.btn-confirm{flex:1;background:#32cd32;color:#fff;border:none;padding:12px;border-radius:8px;font-weight:600;cursor:pointer}.btn-reject{flex:1;background:transparent;color:#64748b;border:1px solid #cbd5e1;padding:12px;border-radius:8px;cursor:pointer}