:root{font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#eef2ff,#f8fafc 55%)}#root{min-height:100vh}code{font-family:SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace}.app-shell{min-height:100vh;padding:1.5rem 1rem;max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:1rem;position:relative}.loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;border-radius:24px;background:#f8fafcd9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2;text-align:center;padding:1rem;pointer-events:auto}.loading-spinner{width:2.75rem;height:2.75rem;border-radius:999px;border:3px solid rgba(79,70,229,.25);border-top-color:#4f46e5;animation:spin .9s linear infinite}.loading-text{margin:0;font-weight:600;color:#0f172a}@keyframes spin{to{transform:rotate(360deg)}}.chat-panel{flex:1;background:#fff;border-radius:20px;border:1px solid #e2e8f0;padding:1.5rem;min-height:420px;display:flex;flex-direction:column;overflow:hidden}.chat-thread{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem;overflow-y:auto}.chat-bubble{border-radius:18px;padding:.9rem 1.1rem;max-width:80%;position:relative;line-height:1.4;box-shadow:0 10px 25px #0f172a0d;display:inline-flex;flex-direction:column;gap:.4rem}.chat-bubble.user{margin-left:auto;background:#4f46e5;color:#fff}.chat-bubble.assistant{margin-right:auto;background:#f8fafc;border:1px solid #e2e8f0;color:#0f172a}.chat-bubble *{overflow-wrap:anywhere;word-break:break-word}.chat-bubble.system{margin:0 auto;background:#e2e8f0}.chat-bubble time{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:inherit;opacity:.75}.chat-bubble.typing{opacity:.7;font-style:italic}.empty-state{margin:auto;text-align:center;color:#94a3b8}.empty-state-icon{font-size:2.2rem;color:#4f46e5;margin-bottom:.5rem}.empty-title{font-size:1.25rem;margin-bottom:.4rem;color:#0f172a}.composer-wrapper{position:sticky;bottom:0;left:0;padding-top:.75rem;background:linear-gradient(180deg,#f8fafc00,#f8fafc 60%);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.composer{display:flex;gap:.75rem;background:#fff;border-radius:999px;padding:.5rem .6rem;border:1px solid #e2e8f0;box-shadow:0 5px 30px #0f172a14;width:100%;max-width:100%}.composer input{flex:1;border:none;font-size:1rem;padding:.5rem 1rem;border-radius:999px;background:transparent;min-width:0}.composer input:focus{outline:none}.composer button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:none;border-radius:999px;padding:.6rem 1.2rem;font-weight:600;background:#4f46e5;color:#fff;cursor:pointer;transition:background .2s ease;flex-shrink:0}.composer button:disabled{background:#c7d2fe;cursor:not-allowed}.composer button i{font-size:.95rem}.error-banner{margin:0;color:#b91c1c;font-size:.9rem;padding:0 .5rem .5rem}@media(max-width:640px){.app-shell{padding:.5rem .5rem .35rem;gap:.5rem;min-height:100svh}.chat-panel{padding:.8rem .75rem;border-radius:14px;min-height:0}.chat-thread{gap:.6rem}.chat-bubble{padding:.6rem .75rem;max-width:100%}.composer-wrapper{padding-top:.15rem}.composer{border-radius:28px;padding:.35rem .45rem;gap:.45rem}.composer input{padding:.3rem .6rem;font-size:.9rem}.composer button{padding:.35rem .75rem}}@supports (padding-bottom: env(safe-area-inset-bottom)){.composer-wrapper{padding-bottom:calc(env(safe-area-inset-bottom) + .25rem)}}