:root{--bg-main:#090a0f;--bg-sidebar:#0e1015;--bg-card:#12141a;--bg-card-hover:#1a1d24;--bg-input:#12141a;--bg-input-hover:#161922;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#475569;--accent-red:#ef4444;--accent-red-hover:#dc2626;--accent-red-bg:#ef44441a;--accent-blue:#3b82f6;--border-color:#ffffff14;--border-hover:#ffffff26;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #00000080, 0 4px 6px -2px #00000040}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;overflow-x:hidden}#root{height:100vh;display:flex}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);flex-direction:column;width:260px;padding:24px 16px;display:flex;position:relative}.main-content{flex-direction:column;flex:1;display:flex;position:relative;overflow-y:auto}.logo-container{color:var(--text-primary);letter-spacing:-.02em;align-items:center;gap:12px;margin-bottom:32px;padding:0 8px;font-size:1.1rem;font-weight:700;display:flex}.logo-icon{color:var(--accent-red)}.nav-group{margin-bottom:24px}.nav-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;padding:0 8px;font-size:.65rem;font-weight:700}.nav-item{color:var(--text-secondary);cursor:pointer;border-radius:8px;align-items:center;gap:12px;margin-bottom:4px;padding:10px 12px;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.nav-item:hover{background-color:var(--bg-card-hover);color:var(--text-primary)}.nav-item.active{background-color:var(--bg-card);color:var(--text-primary);box-shadow:inset 2px 0 0 var(--accent-red)}.topbar{border-bottom:1px solid var(--border-color);height:56px;color:var(--text-secondary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background-color:#090a0fcc;align-items:center;gap:12px;padding:0 32px;font-size:.85rem;font-weight:500;display:flex;position:sticky;top:0}.topbar-breadcrumb{align-items:center;gap:8px;display:flex}.topbar-breadcrumb .active{color:var(--accent-red)}.card{background-color:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:12px;margin-bottom:24px;padding:24px;transition:border-color .2s,box-shadow .2s}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-md)}.card-title{color:var(--text-primary);letter-spacing:-.01em;margin-bottom:6px;font-size:1.05rem;font-weight:600}.card-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:.85rem}input,select{background-color:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);border-radius:8px;outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:.9rem;transition:all .2s cubic-bezier(.4,0,.2,1)}input:hover,select:hover{background-color:var(--bg-input-hover)}input:focus,select:focus{border-color:var(--text-secondary);background-color:var(--bg-input-hover);box-shadow:0 0 0 2px #ffffff0d}button{cursor:pointer;color:inherit;background:0 0;border:none;outline:none;font-family:inherit}.btn{border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:.875rem;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background-color:var(--text-primary);color:var(--bg-main);box-shadow:var(--shadow-sm)}.btn-primary:hover{opacity:.9;box-shadow:var(--shadow-md)}.btn-outline{border:1px solid var(--border-color);color:var(--text-secondary);background-color:#ffffff05}.btn-outline:hover{background-color:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}.status-indicator{background-color:#22c55e;border-radius:50%;width:8px;height:8px;box-shadow:0 0 8px #22c55e66}.chat-input-wrapper{background-color:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);border-radius:20px;align-items:center;padding:6px 12px;transition:border-color .2s;display:flex}.chat-input-wrapper:focus-within{border-color:#fff3}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #ef444466}70%{transform:scale(1);box-shadow:0 0 0 10px #ef444400}to{transform:scale(.95);box-shadow:0 0 #ef444400}}@keyframes typing{0%,to{opacity:.5;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}.thinking-dot{background-color:var(--text-muted);border-radius:50%;width:6px;height:6px;margin:0 2px;animation:1.4s ease-in-out infinite typing;display:inline-block}.thinking-dot:first-child{animation-delay:0s}.thinking-dot:nth-child(2){animation-delay:.2s}.thinking-dot:nth-child(3){animation-delay:.4s}.model-dropdown{-webkit-backdrop-filter:blur(20px);z-index:50;background-color:#1a1f2499;border:1px solid #ffffff14;border-radius:12px;flex-direction:column;gap:4px;min-width:160px;margin-bottom:8px;padding:8px;display:flex;position:absolute;bottom:100%;right:0;box-shadow:0 10px 30px #00000080}.model-dropdown-item{color:var(--text-primary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;padding:8px 12px;font-size:.85rem;font-weight:500;transition:all .2s}.model-dropdown-item:hover{background-color:#ffffff0d}.model-dropdown-item.active{color:var(--accent-red);background-color:#ef44441a}