:root{--navy-900:#0c1222;--navy-800:#141d33;--navy-700:#1a2744;--navy-600:#243557;--navy-500:#2e4369;--gold-500:#a8872e;--gold-400:#c9a84c;--gold-300:#d4b96a;--gold-200:#e0cb8e;--gold-100:#fdf6ec;--blue-500:#3b82f6;--blue-400:#60a5fa;--blue-600:#2563eb;--slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;--slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;--white:#fff;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001f;--shadow-xl:0 20px 60px #00000026;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--navy-900);height:100%;font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--slate-300);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--slate-400)}@keyframes typingDot{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.typing-dots span{background:var(--gold-400);border-radius:50%;width:7px;height:7px;margin:0 2px;animation:1.4s infinite typingDot;display:inline-block}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes messageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-enter{animation:.3s ease-out forwards messageIn}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:.6s ease-out forwards fadeInUp}.fade-in-up-delay-1{opacity:0;animation-delay:.1s}.fade-in-up-delay-2{opacity:0;animation-delay:.2s}.fade-in-up-delay-3{opacity:0;animation-delay:.3s}.welcome-card{cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s}.welcome-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #00000014}.btn-primary{transition:all .2s}.btn-primary:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 24px #c9a84c59}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-send{transition:all .15s}.btn-send:hover:not(:disabled){filter:brightness(1.1);box-shadow:0 2px 8px #c9a84c4d}.btn-send:disabled{opacity:.4;cursor:not-allowed}.btn-signout{transition:all .15s}.btn-signout:hover{color:#fffc!important;background:#ffffff1f!important}.btn-new-chat{transition:all .15s}.btn-new-chat:hover{background:#c9a84c2e!important;border-color:#c9a84c59!important}.message-content a{color:var(--gold-400);text-underline-offset:2px;text-decoration:underline}.message-content a:hover{color:var(--gold-300)}.source-link{color:var(--gold-400);text-decoration:none;transition:color .15s}.source-link:hover{color:var(--gold-300);text-decoration:underline}.chat-input:focus{outline:none}.chat-input:focus~.btn-send{box-shadow:0 2px 8px #c9a84c33}@media (max-width:768px){.chat-container{border-radius:0!important;max-width:100%!important;height:100vh!important}.chat-header-title{font-size:13px!important}.chat-header-user{display:none!important}.welcome-grid{grid-template-columns:1fr!important}.message-bubble{max-width:90%!important}}@media (max-width:480px){.chat-input-area{padding:10px!important}.welcome-title{font-size:22px!important}}.login-bg{background:radial-gradient(ellipse at 20% 50%,#c9a84c0f 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,#c9a84c0a 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,#c9a84c08 0%,transparent 60%),linear-gradient(160deg,var(--navy-900)0%,var(--navy-700)50%,var(--navy-900)100%)}