:root{--primary-color:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--bg-color:#f8fafc;--surface-color:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border-color:#e2e8f0;--user-bubble:#6366f1;--assistant-bubble:#fff;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.chat-container{background:var(--surface-color);max-width:900px;height:100vh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;display:flex}@media (min-width:768px){.chat-container{border-radius:0;height:100vh}}.chat-header{background:var(--surface-color);border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.header-left{align-items:center;gap:12px;display:flex}.header-info h1{color:var(--text-primary);margin:0;font-size:1.1rem;font-weight:600}.status{color:var(--text-secondary);align-items:center;gap:6px;font-size:.8rem;display:flex}.status-dot{background:#22c55e;border-radius:50%;width:8px;height:8px;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.header-right{align-items:center;gap:12px;display:flex}.clear-chat-btn{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;transition:all .2s;display:flex}.clear-chat-btn:hover{background:var(--bg-color);color:#ef4444}.brand-name{color:var(--text-secondary);font-size:.9rem;font-weight:500}.evie-avatar{background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-dark)100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.evie-avatar span{color:#fff;font-size:1rem;font-weight:600}.evie-avatar.large{width:80px;height:80px}.evie-avatar.large span{font-size:2rem}.evie-avatar.small{width:32px;height:32px}.evie-avatar.small span{font-size:.85rem}.user-avatar{background:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.user-avatar span{color:#fff;text-transform:uppercase;font-size:.65rem;font-weight:500}.chat-main{background:var(--bg-color);flex:1;padding:20px;overflow-y:auto}.chat-main::-webkit-scrollbar{width:6px}.chat-main::-webkit-scrollbar-track{background:0 0}.chat-main::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.chat-main::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.welcome-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.welcome-screen h2{color:var(--text-primary);margin:20px 0 8px;font-size:1.5rem;font-weight:600}.welcome-message{color:var(--text-secondary);max-width:400px;margin-bottom:32px;font-size:1rem}.suggestions-section{width:100%;max-width:600px}.suggestions-label{color:var(--text-muted);margin-bottom:12px;font-size:.85rem}.messages-container{flex-direction:column;gap:16px;display:flex}.message-row{align-items:flex-start;gap:10px;max-width:85%;display:flex}.message-row.user{flex-direction:row-reverse;margin-left:auto}.message-row.assistant{margin-right:auto}.bubble{border-radius:var(--radius-lg);word-wrap:break-word;padding:12px 16px;font-size:.95rem;line-height:1.6}.bubble.user{background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.bubble.assistant{background:var(--assistant-bubble);color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-bottom-left-radius:4px}.bubble.loading{padding:16px 20px}.typing-indicator{align-items:center;gap:4px;display:flex}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typing}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.bubble.assistant h1,.bubble.assistant h2,.bubble.assistant h3,.bubble.assistant h4{color:var(--text-primary);margin:16px 0 8px;font-weight:600}.bubble.assistant h1:first-child,.bubble.assistant h2:first-child,.bubble.assistant h3:first-child{margin-top:0}.bubble.assistant h1{font-size:1.3em}.bubble.assistant h2{font-size:1.15em}.bubble.assistant h3{font-size:1.05em}.bubble.assistant p{margin:8px 0}.bubble.assistant p:first-child{margin-top:0}.bubble.assistant p:last-child{margin-bottom:0}.bubble.assistant ul,.bubble.assistant ol{margin:8px 0;padding-left:20px}.bubble.assistant li{margin:4px 0}.bubble.assistant strong{font-weight:600}.bubble.assistant a{color:var(--primary-color);text-decoration:none}.bubble.assistant a:hover{text-decoration:underline}.bubble.assistant .inline-code{color:#e11d48;background-color:#f1f5f9;border-radius:4px;padding:2px 6px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.85em}.bubble.assistant .code-block{color:#e2e8f0;border-radius:var(--radius-md);background-color:#1e293b;margin:12px 0;padding:16px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.85rem;line-height:1.6;overflow-x:auto}.bubble.assistant .code-block code{color:inherit;font-size:inherit;background:0 0;padding:0}.bubble.assistant table{border-collapse:collapse;width:100%;margin:12px 0;font-size:.9rem}.bubble.assistant th,.bubble.assistant td{border:1px solid var(--border-color);text-align:left;padding:8px 12px}.bubble.assistant th{background-color:var(--bg-color);font-weight:600}.bubble.assistant tr:nth-child(2n){background-color:var(--bg-color)}.bubble.assistant blockquote{border-left:3px solid var(--primary-color);background-color:var(--bg-color);color:var(--text-secondary);border-radius:0 var(--radius-sm)var(--radius-sm)0;margin:12px 0;padding:8px 16px}.bubble.assistant hr{border:none;border-top:1px solid var(--border-color);margin:16px 0}.prompt-suggestion-row{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.prompt-suggestion-button{border:1px solid var(--border-color);background:var(--surface-color);border-radius:var(--radius-full);color:var(--text-primary);cursor:pointer;padding:10px 16px;font-size:.9rem;transition:all .2s}.prompt-suggestion-button:hover{background:var(--primary-color);border-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-2px)}.chat-footer{background:var(--surface-color);border-top:1px solid var(--border-color);flex-shrink:0;padding:16px 20px}.input-form{align-items:center;gap:10px;display:flex}.chat-input{border:1px solid var(--border-color);border-radius:var(--radius-full);background:var(--bg-color);color:var(--text-primary);flex:1;padding:12px 16px;font-size:.95rem;transition:all .2s}.chat-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #6366f11a}.chat-input::placeholder{color:var(--text-muted)}.chat-input:disabled{opacity:.6;cursor:not-allowed}.send-button{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex}.send-button:hover:not(:disabled){background:var(--primary-dark);transform:scale(1.05)}.send-button:disabled{opacity:.5;cursor:not-allowed}.powered-by{text-align:center;color:var(--text-muted);margin-top:10px;font-size:.75rem}.powered-by a{color:var(--primary-color);font-weight:500;text-decoration:none}.powered-by a:hover{text-decoration:underline}.loading-screen,.error-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.loading-dots{gap:6px;margin:20px 0;display:flex}.loading-dots span{background:var(--primary-color);border-radius:50%;width:10px;height:10px;animation:1.4s ease-in-out infinite loading-bounce}.loading-dots span:first-child{animation-delay:0s}.loading-dots span:nth-child(2){animation-delay:.16s}.loading-dots span:nth-child(3){animation-delay:.32s}@keyframes loading-bounce{0%,80%,to{opacity:.5;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.loading-screen p{color:var(--text-muted)}.error-screen .error-icon{margin-bottom:16px;font-size:3rem}.error-screen h2{color:var(--text-primary);margin-bottom:8px}.error-screen p{color:var(--text-secondary);margin-bottom:20px}.back-button{background:var(--primary-color);color:#fff;border-radius:var(--radius-full);padding:10px 20px;font-weight:500;text-decoration:none;transition:all .2s}.back-button:hover{background:var(--primary-dark)}.home-container{background:var(--bg-color);flex-direction:column;align-items:center;min-height:100vh;padding:40px 20px;display:flex}.home-header{text-align:center;margin-bottom:40px}.home-header h1{color:var(--text-primary);margin-bottom:10px;font-size:2.5rem}.home-header p{color:var(--text-secondary);font-size:1.1rem}.projects-showcase{width:100%;max-width:900px}.projects-showcase h2{color:var(--text-primary);margin-bottom:20px;font-size:1.5rem}.project-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.project-tile{background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;text-decoration:none;transition:all .2s}.project-tile:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-color);transform:translateY(-4px)}.project-tile h3{color:var(--text-primary);margin:0 0 8px;font-size:1.25rem}.project-tile p{color:var(--text-secondary);margin:0 0 16px;font-size:.9rem;line-height:1.5}.project-tile .cta{color:var(--primary-color);font-weight:500}.empty-state{text-align:center;background:var(--surface-color);border-radius:var(--radius-md);border:1px solid var(--border-color);padding:60px 20px}.empty-state p{color:var(--text-secondary);margin-bottom:16px}.admin-link{color:var(--primary-color);font-weight:500;text-decoration:none}.home-footer{margin-top:auto;padding-top:40px}.home-footer a{color:var(--text-secondary);font-size:.9rem;text-decoration:none}.home-footer a:hover{color:var(--primary-color)}.loader{aspect-ratio:4;background:no-repeat radial-gradient(circle closest-side,var(--text-muted)90%,transparent)0 50%,no-repeat radial-gradient(circle closest-side,var(--text-muted)90%,transparent)50% 50%,no-repeat radial-gradient(circle closest-side,var(--text-muted)90%,transparent)100% 50%;background-size:33.3333% 100%;width:60px;animation:1s linear infinite loading-legacy}@keyframes loading-legacy{33%{background-size:33.3333% 0,33.3333% 100%,33.3333% 100%}50%{background-size:33.3333% 100%,33.3333% 0,33.3333% 100%}66%{background-size:33.3333% 100%,33.3333% 100%,33.3333% 0}}@media (max-width:640px){.chat-header{padding:12px 16px}.header-info h1{font-size:1rem}.brand-name{display:none}.chat-main{padding:16px}.message-row{max-width:90%}.welcome-screen h2{font-size:1.25rem}.prompt-suggestion-button{padding:8px 14px;font-size:.85rem}.chat-footer{padding:12px 16px}.chat-input{padding:10px 14px;font-size:.9rem}.send-button{width:40px;height:40px}}