:root{--primary-color: #8b4513;--secondary-color: #daa520;--accent-color: #cd853f;--background-color: #f5f1e6;--text-dark: #3e2d1a;--text-light: #f8f4eb;--border-color: #d4af37;--shadow-color: rgba(139, 69, 19, .3);--gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));--gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color))}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Cormorant Garamond,serif;background:var(--background-color);color:var(--text-dark);line-height:1.6;overflow-x:hidden}.decorative-corner{position:fixed;width:80px;height:80px;z-index:1000;pointer-events:none}.decorative-corner.top-left{top:20px;left:20px}.decorative-corner.top-right{top:20px;right:20px;transform:rotate(90deg)}.decorative-corner.bottom-left{bottom:20px;left:20px;transform:rotate(-90deg)}.decorative-corner.bottom-right{bottom:20px;right:20px;transform:rotate(180deg)}.decorative-corner svg{width:100%;height:100%;filter:drop-shadow(0 2px 4px var(--shadow-color))}.heritage-nav{background:var(--gradient-primary);padding:1rem 0;box-shadow:0 4px 12px var(--shadow-color);position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand a{color:var(--text-light);text-decoration:none;font-family:Cinzel,serif;font-size:1.5rem;font-weight:600;display:flex;align-items:center;gap:.5rem}.nav-links{display:flex;gap:2rem}.nav-links a{color:var(--text-light);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:25px;transition:all .3s ease}.nav-links a:hover,.nav-links a.active{background:#fff3;transform:translateY(-2px)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.hero-section{text-align:center;padding:4rem 0;background:var(--gradient-secondary);margin:2rem 0;border-radius:20px;position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="%23f5f1e6" opacity="0.3"/></svg>') repeat;background-size:50px 50px}.hero-ornament{margin-bottom:2rem;position:relative;z-index:2}.hero-title{font-family:Cinzel,serif;font-size:3.5rem;font-weight:700;color:var(--text-light);margin-bottom:1rem;text-shadow:2px 2px 4px var(--shadow-color);position:relative;z-index:2}.hero-subtitle{font-family:Playfair Display,serif;font-size:1.8rem;color:var(--text-light);margin-bottom:2rem;font-style:italic;position:relative;z-index:2}.hero-description{font-size:1.2rem;color:var(--text-light);max-width:800px;margin:0 auto;line-height:1.8;position:relative;z-index:2}.api-config{margin:3rem 0}.config-card{background:#fff;border-radius:15px;padding:2.5rem;box-shadow:0 8px 25px var(--shadow-color);border:2px solid var(--border-color);text-align:center;max-width:600px;margin:0 auto}.config-header{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1.5rem}.config-header i{font-size:2rem;color:var(--secondary-color)}.config-header h3{font-family:Cinzel,serif;font-size:1.8rem;color:var(--primary-color)}.api-input-group{display:flex;gap:1rem;margin:2rem 0;align-items:center}.api-input-group input{flex:1;padding:1rem;border:2px solid var(--border-color);border-radius:10px;font-size:1rem;background:var(--background-color);color:var(--text-dark)}.api-input-group input:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 10px #daa5204d}.heritage-btn{background:var(--gradient-primary);color:var(--text-light);border:none;padding:1rem 2rem;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.heritage-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--shadow-color)}.api-help{margin-top:1.5rem;text-align:left}.help-item{display:flex;align-items:center;gap:.5rem;margin:.5rem 0;color:var(--text-dark)}.help-item i{color:var(--accent-color)}.help-item a{color:var(--primary-color);text-decoration:none}.help-item a:hover{text-decoration:underline}.interaction-modes{margin:4rem 0}.section-title{font-family:Cinzel,serif;font-size:2.5rem;text-align:center;color:var(--primary-color);margin-bottom:3rem;display:flex;align-items:center;justify-content:center;gap:1rem}.title-ornament{color:var(--secondary-color);font-size:1.5rem}.modes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.mode-card{background:#fff;border-radius:15px;padding:2rem;text-align:center;box-shadow:0 6px 20px var(--shadow-color);border:2px solid var(--border-color);cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.mode-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--gradient-secondary);opacity:.1;transition:left .5s ease}.mode-card:hover:before{left:0}.mode-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px var(--shadow-color);border-color:var(--secondary-color)}.mode-icon{font-size:3rem;color:var(--secondary-color);margin-bottom:1rem;position:relative;z-index:2}.mode-card h4{font-family:Cinzel,serif;font-size:1.5rem;color:var(--primary-color);margin-bottom:1rem;position:relative;z-index:2}.mode-card p{color:var(--text-dark);line-height:1.6;position:relative;z-index:2}.chat-section{margin:4rem 0}.chat-container{background:#fff;border-radius:20px;box-shadow:0 10px 30px var(--shadow-color);border:2px solid var(--border-color);overflow:hidden;max-width:900px;margin:0 auto}.chat-header{background:var(--gradient-primary);padding:1.5rem;display:flex;justify-content:space-between;align-items:center}.sage-info{display:flex;align-items:center;gap:1rem}.sage-avatar{width:50px;height:50px;background:var(--gradient-secondary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-light);box-shadow:0 4px 12px var(--shadow-color)}.sage-details h4{font-family:Cinzel,serif;color:var(--text-light);margin-bottom:.25rem}.sage-status{color:var(--text-light);opacity:.9;font-size:.9rem}.chat-controls{display:flex;gap:.5rem}.control-btn{background:#fff3;border:none;color:var(--text-light);padding:.5rem;border-radius:8px;cursor:pointer;transition:all .3s ease}.control-btn:hover{background:#ffffff4d;transform:scale(1.1)}.chat-messages{max-height:500px;overflow-y:auto;padding:1.5rem;background:var(--background-color)}.message{display:flex;gap:1rem;margin-bottom:1.5rem;animation:messageSlide .3s ease-out}@keyframes messageSlide{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.message-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.sage-message .message-avatar{background:var(--gradient-secondary);color:var(--text-light)}.user-message .message-avatar{background:var(--gradient-primary);color:var(--text-light)}.message-content{flex:1;background:#fff;padding:1rem 1.5rem;border-radius:15px;box-shadow:0 2px 8px #0000001a;position:relative}.sage-message .message-content{border-left:4px solid var(--secondary-color)}.user-message .message-content{border-left:4px solid var(--primary-color)}.message-time{font-size:.8rem;color:var(--text-dark);opacity:.6;margin-top:.5rem}.chat-input-area{padding:1.5rem;background:#fff;border-top:1px solid var(--border-color)}.quick-suggestions{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.suggestion-btn{background:var(--background-color);border:1px solid var(--border-color);color:var(--text-dark);padding:.5rem 1rem;border-radius:20px;font-size:.9rem;cursor:pointer;transition:all .3s ease}.suggestion-btn:hover{background:var(--secondary-color);color:var(--text-light);transform:translateY(-2px)}.input-container{display:flex;gap:1rem;align-items:center}.input-container input{flex:1;padding:1rem;border:2px solid var(--border-color);border-radius:25px;font-size:1rem;background:var(--background-color);color:var(--text-dark)}.input-container input:focus{outline:none;border-color:var(--secondary-color);box-shadow:0 0 10px #daa5204d}.send-btn{background:var(--gradient-primary);border:none;color:var(--text-light);padding:1rem;border-radius:50%;cursor:pointer;transition:all .3s ease;width:50px;height:50px;display:flex;align-items:center;justify-content:center}.send-btn:hover{transform:scale(1.1);box-shadow:0 4px 15px var(--shadow-color)}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:none;align-items:center;justify-content:center;z-index:10000}.loading-content{text-align:center;color:#fff}.sage-thinking{font-size:4rem;color:var(--secondary-color);margin-bottom:1rem;position:relative;animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.thinking-dots{display:flex;gap:.5rem;justify-content:center;margin-top:1rem}.thinking-dots span{width:8px;height:8px;background:var(--secondary-color);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.thinking-dots span:nth-child(1){animation-delay:-.32s}.thinking-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@media(max-width:768px){.container{padding:0 1rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.4rem}.modes-grid{grid-template-columns:1fr}.api-input-group{flex-direction:column}.nav-container{flex-direction:column;gap:1rem}.nav-links{gap:1rem}.decorative-corner{width:60px;height:60px}.quick-suggestions{flex-direction:column}.suggestion-btn{text-align:left}}