:root{color-scheme:light;font-family:Arial,Helvetica,sans-serif;line-height:1.5;font-weight:400;color:#223046;background:radial-gradient(circle at top,#f4f7fb,#eef3f9 38%,#e7edf4);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg-page: #edf3f8;--bg-card: rgba(255, 255, 255, .84);--bg-user: #dbeafe;--bg-bot: #ffffff;--border-soft: rgba(124, 145, 173, .18);--text-primary: #203047;--text-secondary: #607086;--shadow-soft: 0 12px 32px rgba(48, 72, 102, .12);--shadow-bubble: 0 6px 18px rgba(48, 72, 102, .08);--accent: #3a7bd5;--accent-strong: #255fb0}*{box-sizing:border-box}html{height:100%;scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;height:100%;background:var(--bg-page);color:var(--text-primary)}button,textarea{font:inherit}button{cursor:pointer}#root{min-height:100vh;height:100vh}.app-shell{min-height:100vh;height:100vh;padding:0}.app-card{min-height:100vh;height:100vh;min-width:0;display:flex;flex-direction:column;background:var(--bg-card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.app-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:calc(1rem + env(safe-area-inset-top)) 1rem 1rem;background:#f2cb67e6;border-bottom:1px solid var(--border-soft);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.app-header h1{margin:.125rem 0 0;font-size:1.125rem}.app-title-row{display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}.app-eyebrow{margin:0;color:var(--text-secondary);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}.app-version{color:var(--text-secondary);font-size:.82rem;font-weight:600}.clear-button,.send-button{border:none;border-radius:999px;transition:background-color .2s ease,transform .2s ease}.clear-button{padding:.7rem .95rem;background:#ffffffe6;color:var(--text-primary);box-shadow:var(--shadow-bubble)}.clear-button:hover,.send-button:hover{transform:translateY(-1px)}.chat-window{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:1rem 1rem 7rem;display:flex;flex-direction:column;gap:.875rem}.empty-state{margin:auto 0;padding:1rem;text-align:center;color:var(--text-secondary)}.message-row{display:flex;justify-content:flex-start}.message-row-user{justify-content:flex-end}.message-bubble{max-width:min(84%,34rem);min-width:0;padding:.85rem 1rem;border-radius:1.1rem;box-shadow:var(--shadow-bubble);border:1px solid rgba(140,158,183,.08)}.message-bubble p{margin:0;font-size:.98rem;white-space:pre-wrap;word-break:break-word}.message-bubble-user{background:var(--bg-user);border-bottom-right-radius:.35rem}.message-bubble-bot{background:var(--bg-bot);border-bottom-left-radius:.35rem}.typing-bubble{display:inline-flex;align-items:center;gap:.45rem}.typing-label{color:var(--text-secondary);font-size:.94rem}.typing-dots{display:inline-flex;align-items:center;gap:.22rem}.typing-dots span{width:.42rem;height:.42rem;border-radius:50%;background:#8ea2bd;animation:pulse 1.2s infinite ease-in-out}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}.status-banner{margin:0 1rem .75rem;padding:.75rem .9rem;border-radius:.9rem;color:#8a2c2c;background:#fdecec;border:1px solid #f7c9c9;font-size:.92rem}.input-bar{position:sticky;bottom:0;z-index:5;display:flex;align-items:flex-end;gap:.75rem;padding:.85rem 1rem calc(.85rem + env(safe-area-inset-bottom));background:#edf3f8f0;border-top:1px solid var(--border-soft);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.chat-input{flex:1;min-height:2.95rem;max-height:8rem;resize:none;border:1px solid rgba(120,141,169,.22);border-radius:1rem;padding:.85rem 1rem;color:var(--text-primary);background:#fff;box-shadow:inset 0 1px 2px #4e5f780d}.chat-input:focus{outline:2px solid rgba(58,123,213,.22);border-color:#3a7bd57a}.send-button{padding:.9rem 1.15rem;background:var(--accent);color:#fff;min-width:5rem;box-shadow:var(--shadow-bubble)}.send-button:disabled,.chat-input:disabled{cursor:not-allowed;opacity:.7}.send-button:disabled{background:#9ab6de}.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}@keyframes pulse{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}@media (min-width: 768px){.app-shell{display:flex;align-items:center;justify-content:center;padding:1.5rem}.app-card{width:min(100%,56rem);min-height:min(90vh,52rem);height:min(90vh,52rem);border-radius:1.5rem;overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid rgba(124,145,173,.18)}.chat-window{padding-left:1.25rem;padding-right:1.25rem}}