@import"https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700&family=Source+Serif+4:ital,wght@0,400;0,500;0,600;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg: #FFFFFF;--surface: #F9FAFB;--surface-raised: #F3F4F6;--border: #E5E7EB;--sidebar-bg: #FAFAFA;--sidebar-hover: rgba(51, 151, 215, .07);--sidebar-active: rgba(51, 151, 215, .12);--sidebar-text: #111827;--sidebar-muted: #6B7280;--text: #111827;--text-muted: #4B5563;--text-faint: #9CA3AF;--accent: #3397D7;--accent-hover: #2A7FC4;--accent-muted: rgba(51, 151, 215, .12);--accent-subtle: rgba(51, 151, 215, .06);--accent-warm: #C4623E;--accent-warm-muted: rgba(196, 98, 62, .12);--font-display: "Source Serif 4", Georgia, serif;--font-body: "DM Sans", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--text-xs: .72rem;--text-sm: .875rem;--text-base: 1.03rem;--text-lg: 1.125rem;--text-xl: 1.4rem;--text-2xl: 1.8rem;--text-3xl: clamp(2rem, 5.5vw, 3.25rem);--leading-tight: 1.38;--leading-base: 1.7;--leading-loose: 1.85;--tracking-tight: -.02em;--s1: .25rem;--s2: .5rem;--s3: .75rem;--s4: 1rem;--s5: 1.25rem;--s6: 1.5rem;--s8: 2rem;--s10: 2.5rem;--s12: 3rem;--s16: 4rem;--r-xs: 4px;--r-sm: 8px;--r: 10px;--r-md: 14px;--r-lg: 18px;--r-xl: 22px;--r-2xl: 30px;--r-full: 9999px;--sidebar-w: 300px;--header-h: 56px;--content-w: 760px;--input-bar-w: min(var(--content-w), 100%);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--ease-smooth: cubic-bezier(.25, .46, .45, .94);--t-fast: .13s;--t-base: .22s;--t-slow: .38s;--t-slower: .58s}:lang(ar){--font-display: "Cairo", sans-serif;--font-body: "Cairo", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-base);color:var(--text);background:var(--bg);overflow:hidden;height:100vh;height:100dvh}@media (max-width: 680px){html,body{touch-action:manipulation}}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;font-size:inherit}#splash{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--s6);background:var(--bg);overflow:hidden;transition:opacity var(--t-slow) var(--ease-out),transform var(--t-slow) var(--ease-out)}#splash:before{content:"";position:absolute;inset:-30%;z-index:0;pointer-events:none;background:radial-gradient(ellipse 75% 55% at 42% 38%,rgba(51,151,215,.11) 0%,transparent 52%),radial-gradient(ellipse 65% 48% at 62% 68%,rgba(196,98,62,.06) 0%,transparent 48%);animation:splashAmbient 7s ease-in-out infinite}#splash>*{position:relative;z-index:1}#splash.leaving{opacity:0;transform:scale(.97);pointer-events:none}.splash-logo-wrap{width:88px;height:88px;color:var(--accent);opacity:0;overflow:visible;transform:scale(.72);animation:splashLogoIn .9s var(--ease-spring) .1s forwards}.splash-name{font-family:Cairo,sans-serif;font-size:var(--text-3xl);font-weight:600;letter-spacing:0;color:var(--text);opacity:0;transform:translateY(10px);animation:splashFadeUp .65s var(--ease-out) .8s forwards}.splash-dots{display:flex;gap:6px;align-items:center;justify-content:center;min-height:10px;margin-top:calc(var(--s4) * -1);opacity:0;transform:translateY(8px);animation:splashFadeUp .55s var(--ease-out) 1s forwards}.splash-dots span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);animation:toolDot 1.15s ease-in-out infinite}.splash-dots span:nth-child(2){animation-delay:.18s}.splash-dots span:nth-child(3){animation-delay:.36s}@keyframes splashAmbient{0%,to{transform:translate(0) scale(1);opacity:.88}40%{transform:translate(2%,-1.5%) scale(1.04);opacity:1}70%{transform:translate(-1.5%,2%) scale(1.02);opacity:.94}}@keyframes splashLogoIn{to{opacity:1;transform:scale(1)}}@keyframes splashFadeUp{to{opacity:1;transform:translateY(0)}}#app{display:flex;flex-direction:row;direction:ltr;height:100vh;height:100dvh;overflow:hidden;visibility:hidden}#app.visible{visibility:visible}.sidebar{direction:inherit}.main{direction:ltr}[dir=rtl] .sidebar{direction:rtl}.sidebar{width:var(--sidebar-w);flex-shrink:0;align-self:stretch;margin-top:14px;margin-bottom:0;height:calc(100% - 14px);max-height:calc(100% - 14px);min-height:0;display:flex;flex-direction:column;background:var(--sidebar-bg);border-radius:0 14px 14px 0;box-shadow:1px 0 #0000000f,4px 0 18px #0000000a;overflow:hidden;opacity:0;transform:translate(-12px);transition:opacity var(--t-slow) var(--ease-out),transform var(--t-slow) var(--ease-out),width var(--t-slower) var(--ease-smooth)}.sidebar.entered{opacity:1;transform:translate(0)}@media (min-width: 681px){#app.artifact-open .sidebar{width:54px!important}#app.artifact-open .sidebar-brand-name,#app.artifact-open .sidebar-brand-logo,#app.artifact-open .conv-section-label,#app.artifact-open .conv-list-outer,#app.artifact-open .conv-list,#app.artifact-open .sidebar-footer{opacity:0;pointer-events:none}#app.artifact-open .sidebar-top{padding:0}#app.artifact-open .btn-collapse{left:50%;right:auto;transform:translate(-50%,-50%)}#app.artifact-open .btn-collapse svg{transform:rotate(180deg)}#app.artifact-open .btn-new-chat{width:36px;height:36px;margin:var(--s1) auto;padding:0;justify-content:center;color:var(--sidebar-muted)}#app.artifact-open .new-chat-label{display:none}}#app.sidebar-collapsed .sidebar{width:54px}#app.sidebar-collapsed .sidebar-brand-name,#app.sidebar-collapsed .sidebar-brand-logo,#app.sidebar-collapsed .conv-section-label,#app.sidebar-collapsed .conv-list-outer,#app.sidebar-collapsed .conv-list{opacity:0;pointer-events:none}#app.sidebar-collapsed .btn-new-chat{width:36px;height:36px;margin:var(--s1) auto;padding:0;justify-content:center;color:var(--sidebar-muted)}#app.sidebar-collapsed .new-chat-label{display:none}.sidebar-top{height:var(--header-h);position:relative;display:flex;align-items:center;direction:ltr;padding:0 calc(28px + var(--s3) + var(--s2)) 0 var(--s4);flex-shrink:0}#app.sidebar-collapsed .sidebar-top{padding:0}.sidebar-brand-name{font-family:Cairo,sans-serif;font-size:var(--text-base);font-weight:600;letter-spacing:0;color:var(--sidebar-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity var(--t-base)}[dir=rtl] .sidebar-brand-name{direction:rtl;text-align:right}.sidebar-brand{display:inline-flex;align-items:center;gap:var(--s2);min-width:0;direction:ltr}.sidebar-brand-logo{width:18px;height:18px;color:var(--accent);flex-shrink:0;overflow:visible}.sidebar-brand-logo-svg{width:100%;height:100%}.btn-collapse{position:absolute;top:50%;right:var(--s2);transform:translateY(-50%);width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--sidebar-muted);transition:background var(--t-fast),color var(--t-fast);flex-shrink:0}.btn-collapse svg{transition:transform var(--t-base) var(--ease-out)}#app.sidebar-collapsed .btn-collapse{left:50%;right:auto;transform:translate(-50%,-50%)}#app.sidebar-collapsed .btn-collapse svg{transform:rotate(180deg)}.btn-collapse:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.btn-new-chat{display:flex;align-items:center;gap:var(--s3);width:calc(100% - var(--s3) * 2);margin:var(--s1) var(--s3);padding:var(--s2) var(--s3);border-radius:var(--r-sm);font-size:var(--text-sm);color:var(--sidebar-text);text-align:start;transition:background var(--t-fast);flex-shrink:0}.btn-new-chat:hover{background:var(--sidebar-hover)}.new-chat-label{transition:opacity var(--t-base);white-space:nowrap}.conv-section-label{font-size:var(--text-xs);font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--sidebar-muted);padding:var(--s4) var(--s4) var(--s1);transition:opacity var(--t-base);flex-shrink:0}:lang(ar) .conv-section-label{letter-spacing:0}.conv-list-outer{flex:1 1 0%;min-height:0;position:relative;overflow:hidden}.sidebar-footer{flex-shrink:0;padding:var(--s3) var(--s3) var(--s4);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center}#app.sidebar-collapsed .sidebar-footer{opacity:0;pointer-events:none}.sidebar-footer .lang-toggle{background:var(--surface);border:1px solid var(--border);box-shadow:0 1px 3px #0000000f}.conv-list{position:absolute;inset:0;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;padding:var(--s2) var(--s2) var(--s5);display:flex;flex-direction:column;gap:var(--s2);scrollbar-width:thin;scrollbar-color:rgba(110,80,50,.15) transparent;transition:opacity var(--t-base);direction:ltr;mask-image:linear-gradient(to bottom,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);mask-size:100% 100%;-webkit-mask-size:100% 100%}.conv-item{flex-shrink:0;min-width:0;padding:var(--s3) var(--s3);border-radius:var(--r-sm);font-size:var(--text-sm);line-height:1.4;color:var(--sidebar-text);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background var(--t-fast);user-select:none;min-height:2.75rem;display:flex;align-items:center;direction:ltr;text-align:left}.conv-item:hover{background:var(--sidebar-hover)}.conv-item.active{background:var(--sidebar-active)}.main{flex:1;display:block;min-width:0;overflow:hidden;background:var(--bg);position:relative}.header{position:absolute;top:0;left:0;right:0;height:var(--header-h);padding:0;z-index:20;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;pointer-events:none;opacity:0;transition:opacity var(--t-slow) var(--ease-out),right .38s cubic-bezier(.34,1.26,.64,1)}.header.entered{opacity:1}.header-left,.header-right{pointer-events:auto;position:absolute;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:var(--s2)}.header-left{inset-inline-start:var(--s5);gap:var(--s3)}.header-right{inset-inline-end:var(--s5)}.lang-toggle{display:flex;align-items:center;background:var(--surface);border-radius:var(--r-full);padding:2px;gap:2px}.lang-btn{padding:3px 10px;border-radius:var(--r-full);font-size:var(--text-xs);font-weight:500;color:var(--text-muted);transition:background var(--t-fast),color var(--t-fast)}.lang-btn.active{background:var(--bg);color:var(--text);box-shadow:0 1px 3px #00000014}.btn-menu{display:none;width:36px;height:36px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--text-muted);transition:background var(--t-fast)}.btn-menu:hover{background:var(--surface)}.header{justify-content:space-between}.welcome{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--s5);padding:calc(var(--header-h) + var(--s4)) var(--s5) calc(var(--header-h) + var(--s4));box-sizing:border-box;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;opacity:0;transition:opacity var(--t-slow) var(--ease-out)}.welcome.entered{opacity:1}.welcome-tagline{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--s4);width:100%;max-width:var(--content-w);margin-inline:auto}[dir=rtl] .welcome-tagline{flex-direction:row-reverse}.welcome-logo-wrap{flex-shrink:0;width:48px;height:48px;color:var(--accent);overflow:visible}.welcome-logo-svg{width:100%;height:100%}.welcome-greeting{flex:0 1 auto;max-width:100%;margin:0;font-family:var(--font-display);font-size:var(--text-3xl);font-weight:400;letter-spacing:var(--tracking-tight);color:var(--text);text-align:start}:lang(ar) .welcome-greeting{font-family:Cairo,sans-serif;font-weight:600;letter-spacing:0;line-height:1.5}.welcome .input-shell{width:100%;max-width:var(--content-w);margin-inline:auto}.feed{position:absolute;inset:0;overflow:hidden;padding:0 var(--s6);box-sizing:border-box;display:none;transition:right .38s cubic-bezier(.34,1.26,.64,1)}.feed.entered,.feed.visible{display:block}.feed-inner{position:absolute;inset:0;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;padding:calc(var(--header-h) + var(--s6)) 0 calc(var(--input-area-h, 200px) + 20px);scrollbar-width:none;box-sizing:border-box;width:100%;max-width:var(--content-w);margin-inline:auto;display:flex;flex-direction:column;gap:var(--s8)}.feed-inner::-webkit-scrollbar{display:none}.input-area{position:absolute;bottom:0;left:0;right:0;padding:var(--s3) var(--s5) var(--s5);background:transparent;z-index:10;display:none;transition:right .38s cubic-bezier(.34,1.26,.64,1)}.input-area.chat-mode{display:block}.input-shell{position:relative;max-width:var(--content-w);margin-inline:auto;display:flex;flex-direction:column;gap:var(--s2)}.input-area .input-shell{max-width:var(--input-bar-w)}.input-area .input-box{background:var(--surface);border:1px solid rgba(51,151,215,.2);box-shadow:0 2px 10px #3397d70f;transition:box-shadow var(--t-fast),border-color var(--t-fast)}.input-area .input-box:focus-within{border-color:#3397d78c;box-shadow:0 2px 14px #3397d71f,0 0 0 1px #3397d740}.input-box{display:flex;flex-direction:column;align-items:stretch;gap:var(--s2);background:var(--surface);border-radius:var(--r-2xl);padding:var(--s5) var(--s3) var(--s3) var(--s5);box-shadow:0 1px 4px #00000012,0 0 0 1px #0000000d;transition:box-shadow var(--t-fast)}[dir=rtl] .input-box{padding:var(--s5) var(--s5) var(--s3) var(--s3)}[dir=rtl] .input-shell[data-composer-lang=en] .input-box{padding:var(--s5) var(--s3) var(--s3) var(--s5)}.input-box-row{display:flex;align-items:flex-end;gap:var(--s2);min-width:0}.input-shell[data-composer-lang=ar] .input-box-row{flex-direction:row-reverse}.input-shell[data-composer-lang=ar] .input-box-row .msg-input{direction:rtl;text-align:right}.input-shell[data-composer-lang=en] .input-box-row .msg-input{direction:ltr;text-align:left}.input-box:focus-within{box-shadow:0 2px 12px #3397d724,0 0 0 2px #3397d733}.msg-input{flex:1;background:none;border:none;outline:none;color:var(--text);font-family:"Cairo",var(--font-body),system-ui,sans-serif;font-size:var(--text-base);line-height:var(--leading-tight);resize:none;min-height:44px;max-height:200px;padding:0;overflow-y:auto;scrollbar-width:none}.msg-input::-webkit-scrollbar{display:none}.msg-input::placeholder{color:var(--text-faint)}.btn-send{width:34px;height:34px;border-radius:var(--r-full);background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--t-fast),transform var(--t-fast)}.btn-send:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.06)}.btn-send:disabled{background:var(--surface-raised);color:var(--text-faint);cursor:not-allowed}.input-meta{display:flex;align-items:center;justify-content:space-between;gap:var(--s2);flex-wrap:wrap;padding:0 2px;margin-top:-2px}.input-meta-pills{display:flex;align-items:center;gap:var(--s1)}[dir=rtl] .main .input-meta-pills{margin-inline-start:auto;flex-direction:row-reverse}.input-shell[data-composer-lang=en] .input-meta-pills{margin-inline-start:0;flex-direction:row}.input-shell[data-composer-lang=ar] .input-meta-pills{margin-inline-start:auto;flex-direction:row-reverse}.input-hint{font-size:var(--text-xs);color:var(--text-faint);line-height:1.35;flex:1 1 120px;min-width:0;text-align:end}.input-shell[data-composer-lang=ar] .input-hint{display:none!important}.message{display:flex;flex-direction:column;gap:var(--s2);min-width:0;opacity:0;transform:translateY(6px);animation:msgIn .28s var(--ease-out) forwards}@keyframes msgIn{to{opacity:1;transform:translateY(0)}}.message--assistant{position:relative;overflow:visible;display:block}.message--assistant:after{content:"";display:block;clear:both}.msg-thinking{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.9rem;font-style:italic;padding:2px 0}:lang(ar) .msg-thinking{font-family:Cairo,sans-serif;font-style:normal;direction:rtl}.msg-trace{float:left;margin-right:14px;margin-bottom:6px;margin-top:2px;display:flex;flex-direction:column;align-items:center;position:relative;overflow:visible}.msg-trace-head{--trace-logo: 52px;width:var(--trace-logo);height:var(--trace-logo);padding:6px;box-sizing:border-box;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent);position:relative;z-index:1;background:var(--bg);border-radius:10px;overflow:visible}.msg-trace-head .msg-avatar-logo{width:100%;height:100%;display:block;overflow:visible}.msg-trace-head .ulaim-logo{overflow:visible}.msg-role{font-size:.68rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint)}:lang(ar) .msg-role{letter-spacing:0;font-size:var(--text-xs)}.msg-role--assistant{display:none}.msg-avatar{width:22px;height:22px;color:var(--accent);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform var(--t-fast) var(--ease-out),color var(--t-fast),width var(--t-base) var(--ease-out),height var(--t-base) var(--ease-out)}.msg-avatar.msg-avatar--thinking{width:34px;height:34px}.message--assistant .msg-avatar-tail{align-self:flex-start;margin-top:2px}.msg-avatar-logo{width:100%;height:100%}.msg-avatar:hover{transform:scale(1.18)}.msg-avatar:hover .ulaim-logo.logo--static .logo-body{animation:bodyBreathe 3.2s ease-in-out infinite!important}.msg-avatar:hover .ulaim-logo.logo--static .arm{animation:armBreathe 2.4s ease-in-out infinite!important}.msg-avatar:hover .ulaim-logo.logo--static .arm-0{animation-delay:0s!important}.msg-avatar:hover .ulaim-logo.logo--static .arm-1{animation-delay:.3s!important}.msg-avatar:hover .ulaim-logo.logo--static .arm-2{animation-delay:.6s!important}.msg-avatar:hover .ulaim-logo.logo--static .arm-3{animation-delay:.9s!important}.msg-avatar:hover .ulaim-logo.logo--static .dot{animation:dotPulse 2.4s ease-in-out infinite!important}.msg-avatar:hover .ulaim-logo.logo--static .dot-0{animation-delay:.15s!important}.msg-avatar:hover .ulaim-logo.logo--static .dot-1{animation-delay:.45s!important}.msg-avatar:hover .ulaim-logo.logo--static .dot-2{animation-delay:.75s!important}.msg-avatar:hover .ulaim-logo.logo--static .dot-3{animation-delay:1.05s!important}.message--user{align-items:flex-end}.msg-role{display:none}.msg-body{font-size:var(--text-base);line-height:var(--leading-base);color:var(--text)}.message--user .msg-body{background:#3397d71a;border:none;border-radius:14px;padding:.7rem 1.1rem;max-width:78%;line-height:1.5}.message--assistant .msg-body{padding:var(--s1) 0;font-size:1.1rem;line-height:1.74;overflow-x:visible;overflow-y:visible}.message--assistant .sources-btn-wrap{clear:both;margin-top:var(--s2)}@media (max-width: 680px){.msg-trace{float:none;margin-right:0;margin-bottom:var(--s2);align-self:flex-start;margin-left:0}.message--assistant{display:flex;flex-direction:column;align-items:flex-start}.message--assistant:after{display:none}.msg-trace-head{--trace-logo: 34px;padding:4px}.message--assistant .msg-body{overflow:visible;width:100%}}.msg-body p{margin-bottom:var(--s5)}.msg-body p:last-child{margin-bottom:0}.msg-body h1,.msg-body h2,.msg-body h3{font-family:var(--font-display);letter-spacing:var(--tracking-tight);margin:var(--s5) 0 var(--s3)}:lang(ar) .msg-body h1,:lang(ar) .msg-body h2,:lang(ar) .msg-body h3{font-family:Cairo,sans-serif;letter-spacing:0}.msg-body h1{font-size:2rem;line-height:1.28}.msg-body h2{font-size:1.55rem;line-height:1.34}.msg-body h3{font-size:1.25rem;line-height:1.4}.msg-body ul,.msg-body ol{padding-inline-start:var(--s6);margin-bottom:var(--s4);display:flex;flex-direction:column;gap:var(--s2)}.msg-body blockquote{border-inline-start:2px solid var(--accent);padding-inline-start:var(--s4);color:var(--text-muted);font-style:italic;margin-bottom:var(--s4)}.msg-body mark{background:#eab30061;color:var(--text);border-radius:3px;padding:.05em .28em;font-style:normal;box-decoration-break:clone;-webkit-box-decoration-break:clone}.msg-body .callout{--callout-color: var(--accent);--callout-bg: var(--accent-subtle);border-inline-start:3px solid var(--callout-color);background:var(--callout-bg);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:var(--s3) var(--s4);color:var(--text);font-style:normal;margin-bottom:var(--s4)}.msg-body .callout-header{font-size:var(--text-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--callout-color);margin-bottom:var(--s2)}.msg-body .callout p:last-child{margin-bottom:0}.msg-body 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#0006;max-width:90vw;width:100%;max-height:88dvh;overflow:auto;padding:var(--s8);position:relative;display:flex;flex-direction:column;gap:var(--s3);cursor:default;scrollbar-width:thin;scrollbar-color:var(--surface-raised) transparent;-webkit-overflow-scrolling:touch}@media (max-width: 680px){.mermaid-modal{padding:16px;max-height:92dvh;border-radius:var(--r-lg)}}.mermaid-modal-close{position:absolute;top:var(--s3);right:var(--s3);width:28px;height:28px;border-radius:var(--r-sm);background:var(--surface-raised);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;z-index:1;transition:background var(--t-fast),color var(--t-fast);flex-shrink:0}.mermaid-modal-close:hover{background:var(--accent-muted);color:var(--accent)}.mermaid-modal-body{overflow:auto;-webkit-overflow-scrolling:touch;direction:ltr;unicode-bidi:isolate}.mermaid-modal-body svg{display:block;width:100%;height:100%}.mermaid-wrap 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div{direction:rtl;unicode-bidi:isolate}.mermaid-error{color:var(--accent);font-size:var(--text-xs);white-space:pre-wrap}.msg-table-wrap{display:block;width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;margin:var(--s5) 0;scrollbar-width:thin;scrollbar-color:var(--surface-raised) transparent}.msg-body table{display:table;width:max-content;min-width:100%;max-width:none;border-collapse:collapse;margin:0;font-size:var(--text-sm);line-height:1.55;border-radius:var(--r-lg);overflow:hidden;table-layout:auto;box-shadow:0 0 0 1px color-mix(in srgb,var(--surface-raised) 80%,transparent),0 2px 8px #0000000a}.msg-body thead tr{background:linear-gradient(135deg,var(--accent),var(--accent-hover))}.msg-body thead th{padding:10px 14px;text-align:start;font-weight:600;font-size:var(--text-xs);letter-spacing:.02em;color:#fff;border-bottom:none;white-space:nowrap}.msg-body tbody tr{border-bottom:1px solid color-mix(in srgb,var(--surface-raised) 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.logo-body{animation:none}@keyframes spinCW{to{transform:rotate(360deg)}}@keyframes armBreathe{0%,to{transform:scale(1)}50%{transform:scale(.72)}}@keyframes dotPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(.5);opacity:.35}}@keyframes bodyBreathe{0%,to{transform:rotate(0) scale(1)}50%{transform:rotate(0) scale(1.06)}}.feed-inner::-webkit-scrollbar,.conv-list::-webkit-scrollbar{width:6px}.feed-inner::-webkit-scrollbar-track,.conv-list::-webkit-scrollbar-track{background:transparent}.feed-inner::-webkit-scrollbar-thumb{background:var(--surface-raised);border-radius:var(--r-full)}.conv-list::-webkit-scrollbar-thumb{background:#00000029;border-radius:var(--r-full)}@media (max-width: 680px){#app.sidebar-collapsed .sidebar{width:var(--sidebar-w)}#app.sidebar-collapsed .sidebar-brand-name,#app.sidebar-collapsed .sidebar-brand-logo,#app.sidebar-collapsed .new-chat-label,#app.sidebar-collapsed .conv-section-label,#app.sidebar-collapsed .conv-list-outer,#app.sidebar-collapsed 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var(--s3)) var(--s4) calc(var(--header-h) + var(--s3));padding-bottom:calc(var(--header-h) + var(--s3) + var(--keyboard-h, 0px))}.feed{padding:0}.feed-inner{padding:calc(var(--header-h) + var(--s4)) var(--s5) calc(var(--input-area-h, 200px) + 20px)}.input-area{padding:var(--s3) var(--s4) var(--s4)}.input-hint{display:none!important}.message--user .msg-body{max-width:92%}}@supports (padding-bottom: env(safe-area-inset-bottom)){.input-area{padding-bottom:calc(var(--s5) + env(safe-area-inset-bottom))}#splash{padding-bottom:env(safe-area-inset-bottom)}}@media (hover: none) and (pointer: coarse){:root{--keyboard-h: 0px}.input-area{bottom:var(--keyboard-h, 0px);transition:bottom .2s ease,right .38s cubic-bezier(.34,1.26,.64,1)}.feed-inner{padding-bottom:calc(var(--input-area-h, 200px) + var(--keyboard-h, 0px) + 20px)}}@media (hover: none){button{-webkit-tap-highlight-color:transparent}}@media (prefers-reduced-motion: 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var(--text-muted);border-color:var(--text-muted)}.landing-card--disabled:hover{transform:none;box-shadow:2px 2px 0 var(--text-muted)}.card-label{font-family:var(--font-display);font-size:var(--text-xl);font-weight:600;color:var(--text)}:lang(ar) .card-label{font-family:Cairo,sans-serif}.card-desc{font-size:var(--text-sm);color:var(--text-muted)}.grades-header{display:flex;flex-direction:column;align-items:center;gap:var(--s3);width:100%}.grade-back-btn{align-self:flex-start;font-size:var(--text-sm);color:var(--text-muted);padding:var(--s1) var(--s3);border-radius:var(--r-full);transition:background var(--t-fast)}.grade-back-btn:hover{background:var(--surface);color:var(--text)}.grade-list{display:flex;flex-direction:column;gap:var(--s4);width:100%;max-width:380px}.grade-card{display:flex;align-items:center;gap:var(--s5);padding:var(--s5) var(--s6);background:var(--accent);color:#fff;border:2.5px solid var(--text);border-radius:8px 4px 14px 6px/6px 14px 4px 8px;box-shadow:4px 4px 0 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svg{flex-shrink:0}.btn-book-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-book-chevron{display:inline-flex;align-items:center;flex-shrink:0;opacity:.6;transition:transform .18s ease,opacity .18s ease}.btn-book:hover .btn-book-chevron{opacity:1}.btn-book.book-open .btn-book-chevron{transform:rotate(180deg);opacity:1}.book-picker{position:absolute;bottom:calc(100% + 8px);top:auto;right:0;z-index:20;min-width:min(260px,100%);width:min(320px,100%);max-width:100%;background:var(--bg);border:1.5px solid var(--surface-raised);border-radius:var(--r-md);box-shadow:0 8px 32px #0000001a,0 2px 8px #0000000f;overflow:hidden;max-height:min(70vh,560px);overscroll-behavior:contain;display:flex;flex-direction:column;opacity:0;transform:translateY(6px) scale(.97);pointer-events:none;transition:opacity .16s var(--ease-out),transform .16s var(--ease-out)}[dir=ltr] 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