:root{--bg-main:#060913;--bg-sidebar:rgba(11,17,32,0.85);--bg-card:rgba(18,26,47,0.65);--bg-card-hover:rgba(24,35,63,0.8);--bg-input:rgba(10,15,29,0.7);--border-card:rgba(255,255,255,0.08);--border-card-hover:rgba(6,182,212,0.4);--border-accent:rgba(6,182,212,0.25);--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--primary:#06b6d4;--primary-hover:#0891b2;--primary-glow:rgba(6,182,212,0.35);--accent:#a855f7;--accent-glow:rgba(168,85,247,0.35);--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--font-main:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;--font-heading:"Outfit","Plus Jakarta Sans",sans-serif;--font-code:"JetBrains Mono",monospace;--shadow-hallmark:0 20px 50px -15px rgba(0,0,0,0.7);--shadow-glow:0 0 25px rgba(6,182,212,0.18);--glass-backdrop:blur(24px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-main);color:var(--text-primary);min-height:100vh;overflow-x:hidden;background-image:radial-gradient(circle at 10% 10%,rgba(6,182,212,.12) 0,transparent 45%),radial-gradient(circle at 90% 90%,rgba(168,85,247,.12) 0,transparent 45%),radial-gradient(circle at 50% 50%,rgba(15,23,42,.6) 0,transparent 80%);background-attachment:fixed}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:rgba(11,17,32,.5)}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.app-container{display:flex;min-height:100vh}.sidebar{width:290px;background:var(--bg-sidebar);backdrop-filter:var(--glass-backdrop);-webkit-backdrop-filter:var(--glass-backdrop);border-right:1px solid var(--border-card);display:flex;flex-direction:column;padding:1.75rem 1.25rem;position:fixed;height:100vh;z-index:20;box-shadow:10px 0 30px rgba(0,0,0,.3)}.brand{gap:1rem;margin-bottom:2.25rem;padding:0 .5rem}.brand,.brand-icon{display:flex;align-items:center}.brand-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:16px;justify-content:center;font-size:1.4rem;color:#fff;box-shadow:0 8px 25px var(--primary-glow);position:relative;overflow:hidden}.brand-icon:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,rgba(255,255,255,.25),transparent);transform:rotate(30deg);animation:shimmer 4s infinite}@keyframes shimmer{0%{transform:translateX(-100%) rotate(30deg)}to{transform:translateX(100%) rotate(30deg)}}.brand-text h2{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;line-height:1.2;letter-spacing:-.02em}.brand-text h2 span{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.badge{display:inline-block;font-size:.7rem;font-weight:600;color:var(--primary);background:rgba(6,182,212,.1);padding:3px 10px;border-radius:20px;border:1px solid rgba(6,182,212,.3);margin-top:4px;letter-spacing:.03em}.nav-menu{display:flex;flex-direction:column;gap:.6rem;flex:1 1}.nav-item{display:flex;align-items:center;gap:1rem;padding:.95rem 1.15rem;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-main);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-align:left;position:relative}.nav-item i{font-size:1.15rem;width:24px;text-align:center;transition:transform .3s ease,color .3s ease}.nav-item:hover{color:var(--text-primary);background:rgba(255,255,255,.04);transform:translateX(4px)}.nav-item:hover i{color:var(--primary);transform:scale(1.15)}.nav-item.active{color:#fff;background:linear-gradient(90deg,rgba(6,182,212,.18),rgba(168,85,247,.1));border:1px solid var(--border-accent);font-weight:600;box-shadow:0 4px 20px rgba(0,0,0,.25)}.nav-item.active i{color:var(--primary)}.nav-item.active:before{content:"";position:absolute;left:-1.25rem;top:20%;height:60%;width:4px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:0 4px 4px 0;box-shadow:0 0 12px var(--primary)}.sidebar-footer{padding-top:1rem;border-top:1px solid var(--border-card);display:flex;flex-direction:column;gap:.85rem}.api-key-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.85rem;background:rgba(255,255,255,.03);border:1px solid var(--border-card);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.88rem;font-weight:600;cursor:pointer;transition:all .3s ease}.api-key-btn:hover{background:rgba(6,182,212,.1);border-color:var(--border-accent);color:var(--text-primary)}.api-key-btn.active{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.3);color:var(--success)}.version-tag{font-size:.75rem;color:var(--text-muted);text-align:center;letter-spacing:.05em}.main-content{margin-left:290px;flex:1 1;padding:2.25rem 3rem;max-width:1300px}.top-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-card)}.page-title h1{font-family:var(--font-heading);font-size:1.85rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff 40%,var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.4rem}.page-title p{color:var(--text-secondary);font-size:.95rem}.status-indicator{display:flex;align-items:center;gap:.6rem;background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.25);padding:.5rem 1rem;border-radius:30px;font-size:.82rem;font-weight:600;color:var(--success)}.dot{width:8px;height:8px;background-color:var(--success);border-radius:50%;box-shadow:0 0 10px var(--success);animation:pulseGlow 2s infinite}@keyframes pulseGlow{0%{opacity:.4;transform:scale(.9)}50%{opacity:1;transform:scale(1.25)}to{opacity:.4;transform:scale(.9)}}.tab-content{display:flex;flex-direction:column;gap:2rem;animation:fadeInUp .4s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.input-card,.output-card{background:var(--bg-card);backdrop-filter:var(--glass-backdrop);-webkit-backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-hallmark);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}.input-card:hover,.output-card:hover{border-color:rgba(255,255,255,.15)}.card-header{padding:1.25rem 1.75rem;background:rgba(255,255,255,.02);border-bottom:1px solid var(--border-card);justify-content:space-between;font-family:var(--font-heading);font-weight:600;font-size:1.05rem}.card-header,.card-header span{display:flex;align-items:center}.card-header span{gap:.75rem;color:var(--text-primary)}.card-header span i{color:var(--primary);font-size:1.15rem}.card-body{padding:1.75rem}.card-footer{padding:1.25rem 1.75rem;background:rgba(0,0,0,.2);border-top:1px solid var(--border-card);display:flex;justify-content:flex-end}input[type=text],select,textarea{width:100%;background:var(--bg-input);border:1px solid var(--border-card);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-main);font-size:.95rem;padding:1.15rem;outline:none;transition:all .3s ease;box-shadow:inset 0 2px 6px rgba(0,0,0,.3)}textarea{min-height:140px;resize:vertical;line-height:1.6}input[type=text]:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 20px var(--primary-glow),inset 0 2px 6px rgba(0,0,0,.3);background:rgba(14,21,40,.9)}select{cursor:pointer;padding:.85rem 1.15rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2306b6d4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1.15rem center;-webkit-appearance:none;-moz-appearance:none;appearance:none}.image-upload-wrapper{margin-top:1.25rem}.upload-dropzone{border:2px dashed var(--border-accent);border-radius:var(--radius-md);padding:1.5rem;text-align:center;background:linear-gradient(135deg,rgba(6,182,212,.03),rgba(168,85,247,.02));cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;gap:1rem;color:var(--text-secondary);font-size:.92rem}.upload-dropzone:hover{border-color:var(--primary);background:linear-gradient(135deg,rgba(6,182,212,.08),rgba(168,85,247,.06));color:var(--text-primary);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.upload-dropzone-icon{width:46px;height:46px;border-radius:14px;background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.3);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--primary);box-shadow:0 4px 15px var(--primary-glow)}.image-preview-card{position:relative;display:inline-block;max-width:360px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-accent);box-shadow:0 8px 30px rgba(0,0,0,.5);background:#000}.image-preview-img{width:100%;max-height:220px;object-fit:contain;display:block}.btn-remove-image{position:absolute;top:10px;right:10px;background:rgba(239,68,68,.9);color:#fff;border:none;border-radius:20px;padding:5px 12px;font-size:.78rem;font-weight:600;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.5);transition:transform .2s ease,background .2s ease;display:flex;align-items:center;gap:.4rem}.btn-remove-image:hover{transform:scale(1.05);background:var(--danger)}.preset-chips{gap:.75rem;flex-wrap:wrap}.chip-label,.preset-chips{display:flex;align-items:center}.chip-label{font-size:.85rem;color:var(--text-muted);font-weight:600;gap:.4rem}.chip{background:rgba(255,255,255,.04);border:1px solid var(--border-card);color:var(--text-secondary);padding:.45rem .9rem;border-radius:30px;font-size:.83rem;font-weight:500;cursor:pointer;transition:all .25s ease}.chip:hover{background:rgba(6,182,212,.12);border-color:var(--border-accent);color:var(--primary);transform:translateY(-2px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:.85rem 1.6rem;border-radius:var(--radius-md);font-family:var(--font-main);font-size:.92rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:none;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--primary),#3b82f6);color:#fff;box-shadow:0 4px 20px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(6,182,212,.45)}.btn-accent{background:linear-gradient(135deg,var(--accent),#ec4899);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(168,85,247,.45)}.btn-secondary{background:rgba(255,255,255,.05);border:1px solid var(--border-card);color:var(--text-primary)}.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}.btn-sm{padding:.5rem .9rem;font-size:.83rem;border-radius:var(--radius-sm)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.markdown-body{line-height:1.7;color:#e2e8f0;font-size:.96rem;white-space:pre-wrap}.kb-list{display:flex;flex-direction:column;gap:.75rem}.kb-item{display:flex;justify-content:space-between;align-items:center;padding:.9rem 1.15rem;background:rgba(15,23,42,.6);border:1px solid var(--border-card);border-radius:var(--radius-md);transition:border-color .25s ease}.kb-item:hover{border-color:var(--border-accent)}.modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(6,9,19,.8);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--bg-sidebar);border:1px solid var(--border-accent);border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:0 25px 60px rgba(0,0,0,.8);overflow:hidden}.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-card);justify-content:space-between}.modal-header,.modal-header h3{display:flex;align-items:center}.modal-header h3{font-family:var(--font-heading);font-size:1.15rem;gap:.6rem}.close-modal{background:transparent;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer}.close-modal:hover{color:#fff}.modal-body{padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}.modal-footer{padding:1rem 1.5rem;background:rgba(0,0,0,.2);border-top:1px solid var(--border-card);display:flex;justify-content:flex-end}.form-grid-2{grid-template-columns:1fr 1fr;grid-gap:1.25rem;gap:1.25rem}.form-grid-2,.form-grid-3{display:grid;margin-bottom:1.25rem}.form-grid-3{grid-template-columns:1fr 1fr 1fr;grid-gap:1rem;gap:1rem}@media (max-width:868px){.form-grid-2,.form-grid-3{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:.45rem}.form-label{font-size:.85rem;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;gap:.4rem}.toast{position:fixed;bottom:2.25rem;right:2.25rem;background:rgba(15,23,42,.95);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--primary);color:#fff;padding:.95rem 1.6rem;border-radius:var(--radius-md);box-shadow:0 10px 35px rgba(0,0,0,.6),0 0 20px var(--primary-glow);z-index:200;animation:toastIn .3s cubic-bezier(.175,.885,.32,1.275);font-weight:600;font-size:.92rem}@keyframes toastIn{0%{transform:translateY(30px) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}