@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary: #10b981;--bg-main: #0a0a0b;--sidebar-bg: #131316;--border-subtle: rgba(255, 255, 255, .08);--text-active: #ffffff;--text-muted: #94a3b8;--ai-bubble-bg: #1e1e24;--user-bubble-bg: #10b981}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-main);color:var(--text-active);font-family:Inter,sans-serif;height:100vh;overflow:hidden}.layout-wrapper{display:flex;height:100vh;width:100vw}.sidebar{width:260px;background:var(--sidebar-bg);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;padding:24px 16px}.sidebar-header{display:flex;align-items:center;gap:12px;margin-bottom:40px;padding:0 8px}.sidebar-header h2{font-size:1.2rem;font-weight:800;letter-spacing:-.5px}.sidebar-nav{display:flex;flex-direction:column;gap:8px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;color:var(--text-muted);text-decoration:none;font-weight:500;transition:all .2s}.nav-item:hover{background:#ffffff0d;color:var(--text-active)}.nav-item.active{background:#10b9811a;color:var(--primary)}.sidebar-footer{margin-top:auto;padding-top:20px;border-top:1px solid var(--border-subtle)}.user-profile{display:flex;align-items:center;gap:12px;padding:8px}.user-avatar{width:36px;height:36px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem}.user-info{display:flex;flex-direction:column}.user-name{font-size:.85rem;font-weight:600}.user-role{font-size:.7rem;color:var(--text-muted)}.main-content{flex:1;position:relative;overflow:hidden;display:flex;flex-direction:column}.chat-container{display:flex;flex-direction:column;height:100%;position:relative}.chat-header{padding:12px 24px;border-bottom:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;background:#0a0a0b80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.chat-title{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:700;color:var(--primary)}.model-selector-wrapper{display:flex;align-items:center;gap:8px;background:#ffffff0d;padding:6px 12px;border-radius:10px;border:1px solid var(--border-subtle)}.page-model-select{background:transparent;border:none;color:var(--text-active);font-size:.75rem;font-weight:600;outline:none;cursor:pointer}.messages-list{flex:1;overflow-y:auto;padding:32px 24px;display:flex;flex-direction:column;gap:24px}.message-row{display:flex;flex-direction:column;max-width:85%}.message-row.user{align-self:flex-end;align-items:flex-end}.message-row.assistant{align-self:flex-start;align-items:flex-start}.message-sender-name{font-size:.7rem;font-weight:800;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px;letter-spacing:.5px}.message-bubble{padding:12px 18px;border-radius:18px;font-size:.95rem;line-height:1.6}.message-row.user .message-bubble{background:var(--user-bubble-bg);color:#fff;border-bottom-right-radius:4px}.message-row.assistant .message-bubble{background:var(--ai-bubble-bg);color:var(--text-active);border-bottom-left-radius:4px;border:1px solid var(--border-subtle)}.chat-input-area{padding:24px;background:linear-gradient(transparent,var(--bg-main) 60%)}.input-wrapper{display:flex;gap:12px;align-items:flex-end;background:#1e1e24;border:1px solid var(--border-subtle);border-radius:16px;padding:8px 12px}.input-wrapper textarea{flex:1;background:transparent;border:none;color:#fff;resize:none;font-family:inherit;font-size:.95rem;outline:none;min-height:24px;padding:8px 0}.dot-typing{display:flex;gap:4px;padding:8px 0}.dot-typing span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typing-dots 1s infinite alternate}.dot-typing span:nth-child(2){animation-delay:.2s}.dot-typing span:nth-child(3){animation-delay:.4s}@keyframes typing-dots{0%{opacity:.3;transform:scale(.8)}to{opacity:1;transform:scale(1.1)}}.page-content{padding:48px;max-width:800px}.page-header{margin-bottom:32px}.page-header h1{font-size:2rem;margin:12px 0 8px}.page-header p{color:var(--text-muted)}.placeholder-card{background:#1e1e24;border:1px solid var(--border-subtle);padding:24px;border-radius:16px}.placeholder-card h3{margin-bottom:12px}.placeholder-card p{color:var(--text-muted);line-height:1.6}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}