@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: #FAF8F4;--surface: #F2EDE3;--surface-raised: #E9E2D4;--sidebar-bg: #EDE5D8;--sidebar-hover: rgba(110, 80, 50, .07);--sidebar-active: rgba(110, 80, 50, .13);--sidebar-text: #3D3027;--sidebar-muted: #8A7767;--text: #1C1713;--text-muted: #6A5A4C;--text-faint: #9C8C7C;--accent: #C8593A;--accent-hover: #D9623F;--accent-muted: rgba(200, 89, 58, .12);--accent-subtle: rgba(200, 89, 58, .06);--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: 260px;--header-h: 56px;--content-w: 680px;--input-bar-w: min(66ch, 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}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);transition:opacity var(--t-slow) var(--ease-out),transform var(--t-slow) var(--ease-out)}#splash.leaving{opacity:0;transform:scale(.97);pointer-events:none}.splash-logo-wrap{width:88px;height:88px;color:var(--accent);opacity:0;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}@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;height:100%;max-height:100%;min-height:0;display:flex;flex-direction:column;background:var(--sidebar-bg);box-shadow:1px 0 #6e503217;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)}#app.sidebar-collapsed .sidebar{width:54px}#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 .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}.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}.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}.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)}.sidebar-bottom{padding:var(--s3);display:flex;justify-content:center;flex-shrink:0}#app.sidebar-collapsed .sidebar-bottom{opacity:0;pointer-events:none}.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}.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);display:flex;align-items:center;justify-content:space-between;padding:0 var(--s5);z-index:20;background:transparent;backdrop-filter:none;-webkit-backdrop-filter: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{display:flex;align-items:center;gap:var(--s3)}.header-right{display:flex;align-items:center;gap:var(--s2)}.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(--s6)) var(--s5) var(--s8);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-logo-wrap{width:54px;height:54px;color:var(--accent)}.welcome-logo-svg{width:100%;height:100%}.welcome-greeting{font-family:var(--font-display);font-size:var(--text-3xl);font-weight:400;letter-spacing:var(--tracking-tight);color:var(--text);text-align:center;width:100%;max-width:var(--content-w);margin-inline:auto}: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 168px;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:#fff;border:1px solid rgba(110,80,50,.18);box-shadow:0 2px 10px #6e503214;transition:box-shadow var(--t-fast),border-color var(--t-fast)}.input-area .input-box:focus-within{border-color:#c8593a6b;box-shadow:0 2px 14px #c8593a1f,0 0 0 1px #c8593a38}.input-box{display:flex;flex-direction:column;align-items:stretch;gap:var(--s2);background:#fff;border-radius:var(--r-2xl);padding:var(--s5) var(--s3) var(--s3) var(--s5);box-shadow:0 1px 4px #6e50321a,0 0 0 1px #6e503212;transition:box-shadow var(--t-fast)}[dir=rtl] .input-box{padding:var(--s5) var(--s5) var(--s3) var(--s3)}.input-box-row{display:flex;align-items:flex-end;gap:var(--s2);min-width:0}.input-box:focus-within{box-shadow:0 2px 12px #c8593a24,0 0 0 2px #c8593a33}.msg-input{flex:1;background:none;border:none;outline:none;color:var(--text);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)}.btn-think{display:inline-flex;align-items:center;gap:var(--s2);padding:4px var(--s3);border-radius:var(--r-full);font-size:var(--text-xs);font-weight:500;color:var(--text-faint);transition:background var(--t-fast),color var(--t-fast)}.btn-think:hover{background:var(--surface);color:var(--text-muted)}.btn-think.active{background:var(--accent-muted);color:var(--accent)}.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}:lang(ar) .input-hint{display:none!important}.message{display:flex;flex-direction:column;gap:var(--s2);opacity:0;transform:translateY(6px);animation:msgIn .28s var(--ease-out) forwards}@keyframes msgIn{to{opacity:1;transform:translateY(0)}}.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 .ring-outer{animation:spinCW 2.8s linear infinite!important}.msg-avatar:hover .ulaim-logo.logo--static .ring-mid{animation:spinCCW 2s linear infinite!important}.msg-avatar:hover .ulaim-logo.logo--static .ring-inner{animation:spinCW 1.2s linear infinite!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:#e8e5df;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:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--surface-raised) transparent}.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:#c8593a24;color:var(--text);border-radius:3px;padding:.05em .28em;font-style:normal}.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 .callout[data-callout=definition]{--callout-color: #5B8CBA;--callout-bg: rgba(91,140,186,.07)}.msg-body .callout[data-callout=example]{--callout-color: #5B9A5B;--callout-bg: rgba(91,154,91,.07)}.msg-body .callout[data-callout=tip]{--callout-color: #8B6BA0;--callout-bg: rgba(139,107,160,.07)}.msg-body .callout[data-callout=warning]{--callout-color: #C8593A;--callout-bg: rgba(200,89,58,.07)}.msg-body .callout[data-callout=important]{--callout-color: #A07A2E;--callout-bg: rgba(160,122,46,.07)}.msg-body .callout[data-callout=note]{--callout-color: #6A8CA0;--callout-bg: rgba(106,140,160,.07)}.msg-body .callout[data-callout=summary]{--callout-color: #6B8B6B;--callout-bg: rgba(107,139,107,.07)}.msg-body .callout[data-callout=question]{--callout-color: #8B7B5B;--callout-bg: rgba(139,123,91,.07)}.msg-body strong{font-weight:500}.msg-body code{font-family:var(--font-mono);font-size:.87em;background:var(--surface-raised);border-radius:var(--r-xs);padding:.1em .38em}.msg-body pre{background:var(--surface);border-radius:var(--r-md);padding:var(--s5);overflow-x:auto;margin-bottom:var(--s4);scrollbar-width:thin}.msg-body pre code{background:none;padding:0;font-size:var(--text-sm);line-height:1.6}.msg-body pre:has(>code.hljs){background:var(--surface);border:1px solid color-mix(in srgb,var(--surface-raised) 85%,transparent);border-radius:var(--r-md);padding:12px 14px;overflow-x:auto;-webkit-overflow-scrolling:touch}.msg-body pre code.hljs{font-family:var(--font-mono);font-size:.8rem;line-height:1.55}.mermaid-wrap{margin:var(--s4) 0;padding:var(--s4) var(--s5);border-radius:var(--r-md);background:var(--surface);border:1px solid color-mix(in srgb,var(--surface-raised) 75%,transparent);box-shadow:0 1px 3px #1c17130f;overflow:hidden;max-width:100%;position:relative;cursor:zoom-in}.mermaid-expand-btn{position:absolute;top:var(--s2);right:var(--s2);width:26px;height:26px;border-radius:var(--r-sm);background:var(--surface-raised);color:var(--text-muted);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--t-fast),background var(--t-fast),color var(--t-fast);z-index:2;cursor:pointer;flex-shrink:0}.mermaid-wrap:hover .mermaid-expand-btn{opacity:1}.mermaid-expand-btn:hover{background:var(--accent-muted);color:var(--accent)}.mermaid-modal-overlay{position:fixed;inset:0;background:#1c17138c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:var(--s5);box-sizing:border-box}.mermaid-modal{background:var(--surface);border-radius:var(--r-xl);border:1px solid color-mix(in srgb,var(--surface-raised) 70%,transparent);box-shadow:0 0 0 .5px #0000000f,0 4px 16px #00000014,0 24px 56px #00000024;max-width:95vw;max-height:90dvh;overflow:auto;padding:var(--s6);position:relative;display:flex;flex-direction:column;gap:var(--s3);cursor:default;scrollbar-width:thin;scrollbar-color:var(--surface-raised) transparent}.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 svg{display:block;max-width:none;height:auto}.mermaid-wrap .msg-mermaid{display:block;width:100%}.mermaid-wrap .msg-mermaid svg{display:block;width:100%!important;height:auto!important;max-width:100%!important;overflow:visible}.mermaid-wrap foreignObject,.mermaid-wrap foreignObject *{overflow:visible!important}.mermaid-wrap foreignObject .nodeLabel,.mermaid-wrap foreignObject div{font-family:"Cairo","DM Sans",var(--font-body),sans-serif!important;line-height:1.45!important;white-space:normal!important;word-wrap:break-word;overflow:visible!important;text-align:center}.msg-body[dir=rtl] .mermaid-wrap foreignObject .nodeLabel,.msg-body[dir=rtl] .mermaid-wrap foreignObject div{direction:rtl;unicode-bidi:isolate}.mermaid-error{color:var(--accent);font-size:var(--text-xs);white-space:pre-wrap}.msg-body table{display:table;width:100%;max-width:100%;border-collapse:collapse;margin:var(--s5) 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:var(--surface)}.msg-body thead th{padding:10px 14px;text-align:start;font-weight:600;font-size:var(--text-xs);letter-spacing:.02em;color:var(--text-muted);border-bottom:1px solid color-mix(in srgb,var(--surface-raised) 80%,transparent);white-space:nowrap}.msg-body tbody tr{border-bottom:1px solid color-mix(in srgb,var(--surface-raised) 50%,transparent);transition:background var(--t-fast)}.msg-body tbody tr:last-child{border-bottom:none}.msg-body tbody tr:hover{background:color-mix(in srgb,var(--surface) 60%,transparent)}.msg-body tbody td{padding:9px 14px;vertical-align:top;color:var(--text)}.msg-body tbody tr:nth-child(2n){background:color-mix(in srgb,var(--surface) 40%,transparent)}[dir=rtl] .msg-body thead th,[dir=rtl] .msg-body tbody td{text-align:end}.thinking-inline{display:flex;flex-direction:column;align-items:stretch;gap:0;margin-bottom:var(--s3);font-size:.84rem;color:var(--text-faint);line-height:1.45;width:100%;padding:var(--s3) var(--s4);border-radius:var(--r-md);background:color-mix(in srgb,var(--surface) 88%,transparent);border:1px solid color-mix(in srgb,var(--accent) 12%,transparent);box-shadow:0 1px 2px #6e50320f;opacity:0;transform:translateY(6px);transition:opacity .45s var(--ease-out),transform .45s var(--ease-out),border-color var(--t-base),background var(--t-base)}.thinking-inline.thinking-inline--entered{opacity:1;transform:translateY(0)}.thinking-inline--done{background:transparent;border-color:transparent;box-shadow:none;padding:0 0 var(--s2);margin-bottom:0}.thinking-inline--done .thinking-inline-status{font-size:.76rem;font-weight:400;color:var(--text-faint);letter-spacing:0}.thinking-inline--live .thinking-inline-head{animation:thinking-head-soft 2.4s ease-in-out infinite}@keyframes thinking-head-soft{0%,to{opacity:.92}50%{opacity:1}}.thinking-inline-head{display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:6px;width:100%}.thinking-inline-status{display:inline-flex;align-items:center;gap:2px;color:var(--text-muted);font-weight:600;min-width:0;flex:0 1 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var(--s4);background:#b432320f;border-radius:var(--r-md)}.ulaim-logo{display:block;overflow:visible}.ulaim-logo.logo--idle .ring-outer{animation:spinCW 14s linear infinite}.ulaim-logo.logo--idle .ring-mid{animation:spinCCW 10s linear infinite}.ulaim-logo.logo--idle .ring-inner{animation:spinCW 7s linear infinite}.ulaim-logo.logo--thinking .ring-outer{animation:spinCW 4.5s linear infinite}.ulaim-logo.logo--thinking .ring-mid{animation:spinCCW 3.2s linear infinite}.ulaim-logo.logo--thinking .ring-inner{animation:spinCW 2s linear infinite}.ulaim-logo.logo--responding .ring-outer{animation:spinCW 1.8s linear infinite}.ulaim-logo.logo--responding .ring-mid{animation:spinCCW 1.2s linear infinite}.ulaim-logo.logo--responding .ring-inner{animation:spinCW .8s linear infinite}.ulaim-logo.logo--static .ring-outer,.ulaim-logo.logo--static .ring-mid,.ulaim-logo.logo--static .ring-inner{animation:none!important}@keyframes spinCW{to{transform:rotate(360deg)}}@keyframes 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svg{color:var(--accent)}.landing-card--disabled{opacity:.45;cursor:not-allowed;box-shadow:2px 2px 0 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 var(--text);width:100%;text-align:start;transition:transform .14s var(--ease-out),box-shadow .14s var(--ease-out)}.grade-card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--text)}.grade-card:active{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--text)}.grade-numeral{font-family:var(--font-display);font-size:2.4rem;font-weight:700;line-height:1;min-width:3rem;text-align:center;opacity:.9}:lang(ar) .grade-numeral{font-family:Cairo,sans-serif}.grade-info{display:flex;flex-direction:column;gap:2px;flex:1}.grade-label{font-size:var(--text-lg);font-weight:600}:lang(ar) .grade-label{font-family:Cairo,sans-serif}.grade-sublabel{font-size:var(--text-sm);opacity:.8}.grade-arrow{font-size:var(--text-xl);opacity:.7;transition:transform .14s}.grade-card:hover .grade-arrow{transform:translate(-3px)}[dir=ltr] .grade-card:hover .grade-arrow{transform:translate(3px)}.btn-book{display:inline-flex;align-items:center;gap:var(--s2);padding:4px var(--s3);border-radius:var(--r-full);font-size:var(--text-xs);font-weight:500;color:var(--text-faint);transition:background var(--t-fast),color var(--t-fast);max-width:180px;white-space:nowrap;overflow:hidden}.btn-book:hover{background:var(--surface);color:var(--text-muted)}.btn-book.active{background:var(--accent-muted);color:var(--accent)}.btn-book svg{flex-shrink:0}.btn-book-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-picker{position:absolute;bottom:calc(100% + 8px);right:0;z-index:20;min-width:260px;max-width:min(320px,calc(100vw - 32px));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;opacity:0;transform:translateY(6px) scale(.97);pointer-events:none;transition:opacity .16s var(--ease-out),transform .16s var(--ease-out)}[dir=ltr] .book-picker{right:auto;left:0}.book-picker.book-picker--open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.book-picker-header{padding:10px 14px 8px;font-size:var(--text-xs);font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--surface)}.book-picker-item{display:flex;align-items:center;gap:var(--s3);width:100%;padding:12px 14px;text-align:start;border-radius:0;transition:background var(--t-fast);cursor:pointer}.book-picker-item:hover{background:var(--surface)}.book-picker-item--selected{background:var(--accent-subtle)}.book-picker-item--selected:hover{background:var(--accent-muted)}.book-picker-item svg{flex-shrink:0;color:var(--accent)}.book-picker-item-info{flex:1;display:flex;flex-direction:column;gap:2px;overflow:hidden}.book-picker-item-title{font-size:var(--text-sm);font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-picker-item-sub{font-size:var(--text-xs);color:var(--text-muted)}.book-picker-item-check{font-size:14px;color:var(--accent);opacity:0;flex-shrink:0;transition:opacity var(--t-fast)}.book-picker-item--selected .book-picker-item-check{opacity:1}.sources-btn-wrap{margin-top:var(--s3);animation:fadeUp .22s var(--ease-out)}@keyframes fadeUp{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.sources-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px 5px 10px;border-radius:var(--r-full);border:1px solid var(--surface-raised);background:var(--surface);color:var(--text-muted);font-size:var(--text-xs);font-weight:500;letter-spacing:.01em;transition:background var(--t-fast),color 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