:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f4f7fb;font-size:18px;line-height:1.55}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,.file-button{min-height:48px;padding:.65rem 1rem;border:2px solid #2457c5;border-radius:.6rem;background:#2457c5;color:white;font-weight:700;cursor:pointer}.secondary{background:white;color:#172033;border-color:#596579}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.file-button:focus-within{outline:4px solid #ffbf47;outline-offset:3px}.skip-link{position:absolute;left:.5rem;top:-6rem;background:#111;color:#fff;padding:.75rem;z-index:100}.skip-link:focus{top:.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.login-shell{min-height:100vh;display:grid;place-items:center;padding:1rem}.card{width:min(100%,30rem);background:#fff;border-radius:1rem;padding:2rem;box-shadow:0 8px 30px #14213d22}.card form{display:grid;gap:.65rem}.card input{padding:.75rem;border:2px solid #596579;border-radius:.5rem}.error{color:#9a1328;font-weight:700}header{position:sticky;top:0;display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.75rem 1rem;background:#fff;border-bottom:2px solid #d4dbe7;z-index:3}header div{display:grid}header .conversation-tools{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}header .conversation-tools select{max-width:16rem;min-height:48px;padding:.65rem;border:2px solid #596579;border-radius:.6rem;background:#fff}header span{font-size:.9rem;color:#475569}.chat-layout{width:min(100%,56rem);margin:auto;padding:1rem;display:grid;grid-template-rows:minmax(16rem,1fr) auto auto;gap:.75rem;min-height:calc(100vh - 82px)}#messages{background:#fff;border:2px solid #d4dbe7;border-radius:.8rem;padding:1rem;overflow-y:auto}.message{max-width:85%;margin:.7rem 0;padding:.75rem 1rem;border-radius:.8rem;white-space:pre-wrap}.message.user{margin-left:auto;background:#dfeaff}.message.assistant{background:#edf7e8}.message strong{display:block}.status{min-height:1.6rem;font-weight:700}#chat-form{display:grid;gap:.5rem}textarea{width:100%;padding:.75rem;border:2px solid #596579;border-radius:.6rem;resize:vertical}.help{margin:0;color:#475569;font-size:.9rem}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}#file-input{position:absolute;width:1px;height:1px;opacity:0}.file-button{display:inline-flex;align-items:center;background:#fff;color:#172033;border-color:#596579}#record-button[aria-pressed="true"]{background:#9a1328;border-color:#9a1328}aside{position:fixed;right:1rem;top:5.5rem;width:min(90vw,24rem);padding:1rem;background:#fff;border:3px solid #172033;border-radius:.8rem;box-shadow:0 8px 30px #0004;z-index:5}aside label{display:block;margin:.8rem 0}.font-large{font-size:22px}.font-xlarge{font-size:26px}.high-contrast{color:#fff;background:#000}.high-contrast #messages,.high-contrast header,.high-contrast aside,.high-contrast .card{color:#fff;background:#000;border-color:#fff}.high-contrast .message.user,.high-contrast .message.assistant{color:#000;background:#fff}@media(max-width:600px){:root{font-size:17px}header{align-items:flex-start;flex-wrap:wrap}.chat-layout{min-height:calc(100vh - 130px)}.message{max-width:96%}.actions>*{width:100%;justify-content:center}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}