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label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-2)}.form-group input{width:100%;padding:var(--space-3);background:var(--bg-primary);border:1px solid var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;transition:border-color var(--transition-fast)}.form-group input:focus{outline:none;border-color:var(--oracle-blue)}.btn-primary{width:100%;padding:var(--space-3);background:var(--oracle-blue);border:none;border-radius:var(--radius-md);color:#fff;font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-primary:hover{background:#0077ed;transform:translateY(-1px)}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);z-index:10000;display:flex;align-items:center;justify-content:center;animation:fadeIn var(--transition-fast);cursor:zoom-out}.lightbox-close{position:absolute;top:var(--space-4);right:var(--space-4);background:#ffffff1a;border:none;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:all var(--transition-fast)}.lightbox-close:hover{background:#fff3;transform:scale(1.1)}.lightbox-image{max-width:90vw;max-height:90vh;-o-object-fit:contain;object-fit:contain;border-radius:var(--radius-lg);box-shadow:0 20px 60px #00000080;cursor:default}.message-meta{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-2);padding-top:var(--space-2);padding-right:36px;font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono);opacity:.7}.model-tag{margin-left:auto;background:#ffffff0d;padding:2px 6px;border-radius:4px;font-size:.7rem}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--space-4);color:var(--text-primary);opacity:0;animation:fade-in .5s ease-out forwards;background-image:url(/backgrounds/chat-light.webp);background-size:cover;background-position:center;background-repeat:no-repeat}@media(max-width:768px){.welcome-screen{background-image:url(/backgrounds/chat-dark.webp)}}.welcome-logo{width:80px;height:80px;margin-bottom:var(--space-6)}.welcome-screen h1{font-size:2rem;font-weight:600;margin-bottom:var(--space-4);background:linear-gradient(135deg,var(--text-primary),var(--text-secondary));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.welcome-screen p{color:var(--text-secondary);line-height:1.6;max-width:400px;margin-bottom:var(--space-8)}.dual-core-badge{display:flex;gap:var(--space-4);margin-bottom:var(--space-6)}.core-badge{padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-size:.875rem;font-weight:500;border:1px solid var(--bg-tertiary);background:var(--bg-secondary)}.core-badge.oracle{color:#38bdf8;border-color:#38bdf833}.core-badge.muse{color:#a855f7;border-color:#a855f733}.new-chat-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);background:var(--text-primary);color:var(--bg-primary);border-radius:var(--radius-full);font-weight:500;cursor:pointer;transition:all .2s;border:none}.new-chat-btn:hover{transform:translateY(-2px);opacity:.9}.landing-link{margin-top:1.5rem;font-size:.875rem;color:var(--oracle-blue);text-decoration:none;opacity:.8;transition:opacity .2s,transform .2s}.landing-link:hover{opacity:1;transform:translate(4px)}@media(prefers-color-scheme:light){:root{--bg-primary: #FFFFFF;--bg-secondary: #F2F2F7;--bg-tertiary: #E5E5EA;--text-primary: #000000;--text-secondary: #3C3C43;--text-muted: #8E8E93;--border-color: rgba(0, 0, 0, .1);--input-bg: #FFFFFF;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05)}.message.assistant .message-content{background:var(--bg-secondary)}.thinking-block{background:#f9fafb;border:1px solid #E5E7EB}}.message.assistant.active-streaming .message-content:after{content:"▋";display:inline-block;margin-left:2px;color:var(--color-oracle);animation:blink 1s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}[data-theme=dark]{--bg-primary: #000000;--bg-secondary: #1C1C1E;--bg-tertiary: #2C2C2E;--text-primary: #F2F2F7;--text-secondary: #AEAEB2;--text-muted: #636366;--border-color: rgba(255, 255, 255, .1);--input-bg: #1C1C1E;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--glass-bg: rgba(0, 0, 0, .25);--glass-border: 1px solid rgba(255, 255, 255, .1)}[data-theme=dark] .welcome-screen h1{color:#fff;-webkit-text-fill-color:#FFFFFF;text-shadow:0 2px 8px rgba(0,0,0,.5)}[data-theme=dark] .welcome-screen p{color:#fffc;text-shadow:0 1px 4px rgba(0,0,0,.5)}[data-theme=dark] .sidebar,[data-theme=dark] .sidebar.collapsed,[data-theme=dark] .sidebar.floating{background:#00000040;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #0003}[data-theme=dark] .conversation-item{color:var(--text-primary)}[data-theme=dark] .conversation-item:hover{background:#ffffff14}[data-theme=dark] .thinking-block{background:#1c1c1ecc;border:1px solid rgba(255,255,255,.1);border-left:2px solid var(--muse-purple)}[data-theme=dark] .chat-header{background:#00000040;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.1)}[data-theme=dark] .settings-btn,[data-theme=dark] .menu-btn{color:var(--text-primary)}[data-theme=dark] .settings-btn:hover,[data-theme=dark] .menu-btn:hover{background:#ffffff1a}[data-theme=light]{--bg-primary: #FFFFFF;--bg-secondary: #F2F2F7;--bg-tertiary: #E5E5EA;--text-primary: #000000;--text-secondary: #3C3C43;--text-muted: #8E8E93;--border-color: rgba(0, 0, 0, .1);--input-bg: #FFFFFF;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05)}[data-theme=light] .sidebar,[data-theme=light] .sidebar.collapsed,[data-theme=light] .sidebar.floating{background:#f5f5f7;backdrop-filter:none;-webkit-backdrop-filter:none;border-right:1px solid rgba(0,0,0,.08);box-shadow:none}[data-theme=light] .chat-header{background:#fff3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.4)}[data-theme=light] .input-field{background:var(--bg-primary);border-color:var(--bg-tertiary)}[data-theme=light] .message.user .message-content{background:#00000008;border:1px solid rgba(0,0,0,.06);box-shadow:0 1px 3px #00000014}[data-theme=light] .message.assistant .message-content{background:linear-gradient(135deg,#0a84ff0a,#bf5af208);border:1px solid rgba(10,132,255,.08);box-shadow:0 1px 4px #0a84ff0f}[data-theme=light] .thinking-block{background:#f9fafb;border:1px solid #E5E7EB;border-left:2px solid var(--muse-purple)}[data-theme=light] .thinking-header{color:#6b7280}[data-theme=light] .thinking-oracle{color:#2563eb}[data-theme=light] .thinking-muse{color:#9333ea}[data-theme=light] .thinking-switch{color:#9ca3af;border-top-color:#e5e7eb}[data-theme=light] .message-content code{background:#0000000d;color:#c026d3}[data-theme=light] .modal{background:#fff;border:1px solid rgba(0,0,0,.1);box-shadow:0 24px 80px #00000026}[data-theme=light] .modal input,[data-theme=light] .modal textarea{background:#f9fafb;border:1px solid #E5E7EB;color:#1c1c1e}[data-theme=light] .modal .btn-secondary{background:#f3f4f6!important;border:1px solid #D1D5DB!important;color:#374151!important}[data-theme=light] .modal button:not(.btn-primary):not(.modal-close){color:#374151}[data-theme=light] .modal button:not(.btn-primary):not(.modal-close):hover{background:#0000000d}[data-theme=light] .new-chat-btn{background:var(--text-primary);color:var(--bg-primary)}[data-theme=light] .sidebar.collapsed .new-chat-btn{background:var(--text-primary);color:var(--bg-primary);border-radius:var(--radius-md)}[data-theme=light] .sidebar.collapsed .conversation-item svg{color:var(--text-primary)}[data-theme=light] .sidebar.collapsed .collapse-btn{color:var(--text-primary)}[data-theme=light] .conversation-item:hover{background:var(--bg-tertiary)}[data-theme=light] .welcome-screen{background-image:url(/backgrounds/welcome-light.webp)}@media(max-width:768px){[data-theme=light] .welcome-screen{background-image:url(/backgrounds/welcome-dark.webp)}}.welcome-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;border-radius:24px;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 8px 32px #0003;max-width:480px;width:90%;transition:all var(--transition-normal)}[data-theme=dark] .welcome-card{background:#0003;border:1px solid rgba(255,255,255,.1)}[data-theme=light] .welcome-card{background:#ffffff26;border:1px solid rgba(255,255,255,.4);box-shadow:0 8px 32px #0000001a}.gradient-card-container{padding:48px!important}.share-modal-wrapper{padding:40px!important}@media(max-width:640px){.gradient-card-container{padding:32px!important}.share-modal-wrapper{padding:24px!important}.message-avatar{display:none}}.mobile-sidebar-fab{display:none}@media(max-width:768px){.mobile-sidebar-fab{display:flex;position:fixed;left:16px;bottom:90px;width:48px;height:48px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--border-color);box-shadow:0 4px 12px #0000004d;align-items:center;justify-content:center;cursor:pointer;z-index:40;transition:transform .2s,box-shadow .2s}.mobile-sidebar-fab:active{transform:scale(.95)}.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;max-width:85vw;transform:translate(-100%);transition:transform .3s ease;z-index:50;box-shadow:4px 0 20px #0000004d}.sidebar.open{transform:translate(0)}}.mobile-sidebar-backdrop{display:none}@media(max-width:768px){.mobile-sidebar-backdrop{display:block;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:45}.pin-btn{display:none!important}}.placeholder\:text-gray-400::-moz-placeholder{--tw-text-opacity: 1;color:rgb(156 163 175 / var(--tw-text-opacity, 1))}.placeholder\:text-gray-400::placeholder{--tw-text-opacity: 1;color:rgb(156 163 175 / var(--tw-text-opacity, 1))}.hover\:scale-105:hover{--tw-scale-x: 1.05;--tw-scale-y: 1.05;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.hover\:bg-indigo-600:hover{--tw-bg-opacity: 1;background-color:rgb(79 70 229 / var(--tw-bg-opacity, 1))}.hover\:bg-slate-700\/50:hover{background-color:#33415580}.hover\:text-\[var\(--muse-purple\)\]:hover{color:var(--muse-purple)}.hover\:text-\[var\(--oracle-blue\)\]:hover{color:var(--oracle-blue)}.hover\:text-slate-300:hover{--tw-text-opacity: 1;color:rgb(203 213 225 / var(--tw-text-opacity, 1))}.hover\:underline:hover{text-decoration-line:underline}.active\:bg-indigo-700:active{--tw-bg-opacity: 1;background-color:rgb(67 56 202 / var(--tw-bg-opacity, 1))}.disabled\:cursor-not-allowed:disabled{cursor:not-allowed}.disabled\:opacity-50:disabled{opacity:.5}.group:focus-within .group-focus-within\:text-\[var\(--muse-purple\)\]{color:var(--muse-purple)}.group:focus-within .group-focus-within\:text-\[var\(--oracle-blue\)\]{color:var(--oracle-blue)}.group:hover .group-hover\:translate-y-0{--tw-translate-y: 0px;transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}@media(min-width:768px){.md\:p-10{padding:2.5rem}}@media(prefers-color-scheme:dark){.dark\:placeholder\:text-white\/20::-moz-placeholder{color:#fff3}.dark\:placeholder\:text-white\/20::placeholder{color:#fff3}}