:root{--bg-primary: #0B0E11;--bg-secondary: #141821;--bg-tertiary: #1A1F2E;--bg-card: rgba(26, 31, 46, .6);--bg-hover: rgba(139, 92, 246, .1);--text-primary: #FFFFFF;--text-secondary: #A0AEC0;--text-tertiary: #718096;--accent-primary: #8B5CF6;--accent-secondary: #6366F1;--accent-gradient: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);--success: #10B981;--warning: #F59E0B;--error: #EF4444;--border-color: rgba(255, 255, 255, .1);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#020406!important;color:var(--text-primary);line-height:1.6;overflow:hidden;height:100vh;width:100vw}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle 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.8s}#splash-screen.fade-out{opacity:0;visibility:hidden}.splash-content{display:flex;flex-direction:column;align-items:center;gap:2rem;text-align:center}.splash-logo-container{position:relative;width:120px;height:120px}.splash-logo{width:100%;height:100%;object-fit:contain;display:block;max-width:120px;animation:float 3s ease-in-out infinite}.splash-partners{position:absolute;bottom:2rem;left:0;width:100%;animation:fadeInUp .8s ease-out .5s both;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.splash-partners span{font-size:.7rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.15em;font-weight:600;opacity:.8}.partner-logos{display:flex;gap:1.5rem;align-items:center;justify-content:center;flex-wrap:wrap;opacity:1;margin-top:1.5rem;max-width:600px}.partner-logos img{width:64px;height:64px;object-fit:contain;transition:all .5s cubic-bezier(.175,.885,.32,1.275);cursor:pointer;background:#ffffff0d;padding:12px;border-radius:16px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 4px 20px #00000026}.partner-logos img:hover{transform:scale(1.15) translateY(-8px);background:#ffffff1a;border-color:var(--accent-primary);box-shadow:0 15px 30px -10px #8b5cf666}.sidebar{width:260px;height:100%;background:#050709;border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);z-index:100;flex-shrink:0;overflow:hidden}.sidebar.collapsed{width:0;border-right:none;transform:translate(-100%)}.sidebar-header{padding:1rem;display:flex;flex-direction:column;gap:1rem}.sidebar-top-actions{display:flex;justify-content:flex-end}.btn-new-chat{width:100%;display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:transparent;border:1px solid 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h3{margin-bottom:1.25rem;color:var(--text-primary);font-size:1.25rem}.legal-list{list-style:none;display:flex;flex-direction:column;gap:1rem;padding:0}.legal-list li{font-size:.9rem;color:var(--text-secondary);line-height:1.6;padding-left:1.5rem;position:relative;list-style:none}.legal-list li:before{content:"•";color:var(--accent-primary);position:absolute;left:0;font-weight:700}.legal-list code{background:var(--bg-tertiary);padding:.2rem .4rem;border-radius:4px;color:var(--accent-primary)}.disclaimer-box{background:#f59e0b0d;border:1px solid rgba(245,158,11,.2);border-radius:var(--radius-md);padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.disclaimer-box p{font-size:.875rem;color:var(--text-secondary);line-height:1.6}.settings-section{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;background:#ffffff08;border-radius:var(--radius-md);border:1px solid var(--border-color);gap:1.5rem;margin-top:1rem}.settings-info h4{color:var(--text-primary);margin-bottom:.25rem;font-size:.95rem}.settings-info p{color:var(--text-tertiary);font-size:.85rem;line-height:1.4}.btn-danger{background:#ef4444;color:#fff;border:none;padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:var(--transition);white-space:nowrap}.btn-danger:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 4px 12px #ef44444d}.btn-outline-danger{background:transparent;color:#ef4444;border:1px solid #ef4444;padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-outline-danger:hover{background:#ef44441a}.mt-2{margin-top:1rem}.tab-content.active{display:block;animation:fadeIn .3s ease}.modal-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.modal-header 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1fr;gap:.75rem}.api-key-group input:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 2px #8b5cf633}.modal-footer{padding:1.25rem 1.5rem;background:#ffffff05;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end}.btn-save{background:var(--accent-gradient);border:none;border-radius:var(--radius-md);padding:.75rem 1.5rem;color:#fff;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-save:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-close{background:transparent;border:none;color:var(--text-tertiary);font-size:1.5rem;cursor:pointer;transition:var(--transition)}.btn-close:hover{color:var(--text-primary)}.btn-icon{background:transparent;border:none;color:var(--text-tertiary);cursor:pointer;padding:4px;border-radius:4px;transition:var(--transition);display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--bg-tertiary);color:var(--text-primary)}@media(max-width:768px){.sidebar{position:absolute;transform:translate(-100%)}.sidebar.show{transform:translate(0)}.mobile-menu-btn{display:block}.header-left .sidebar-restore-btn{display:none}.modal-content{width:100%;height:100%;max-height:100vh;border-radius:0;display:flex;flex-direction:column}.modal-container{flex-direction:column}.modal-sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-color);flex-direction:row;overflow-x:auto;padding:.5rem}.tab-btn{white-space:nowrap;padding:.5rem;font-size:.8rem}.api-key-grid{grid-template-columns:1fr}.api-key-group.full-width{grid-column:span 1}.input-row{grid-template-columns:1fr}.splash-partners{bottom:1.5rem;gap:.5rem}.partner-logos{gap:.75rem}.partner-logos img{width:40px;height:40px;padding:8px}}.mobile-menu-btn{display:none}