*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Satoshi,system-ui,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:JetBrains Mono,Fira Code,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.container{width:100%}@media(min-width:640px){.container{max-width:640px}}@media(min-width:768px){.container{max-width:768px}}@media(min-width:1024px){.container{max-width:1024px}}@media(min-width:1280px){.container{max-width:1280px}}@media(min-width:1536px){.container{max-width:1536px}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.visible{visibility:visible}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.\!block{display:block!important}.block{display:block}.inline-block{display:inline-block}.inline{display:inline}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.contents{display:contents}.hidden{display:none}.h-1{height:.25rem}.h-2{height:.5rem}.h-3{height:.75rem}.h-full{height:100%}.w-full{width:100%}.grow{flex-grow:1}.transform{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))}.flex-col{flex-direction:column}.items-start{align-items:flex-start}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.overflow-hidden{overflow:hidden}.rounded{border-radius:.25rem}.rounded-full{border-radius:9999px}.border{border-width:1px}.lowercase{text-transform:lowercase}.italic{font-style:italic}.tabular-nums{--tw-numeric-spacing: tabular-nums;font-variant-numeric:var(--tw-ordinal) var(--tw-slashed-zero) var(--tw-numeric-figure) var(--tw-numeric-spacing) var(--tw-numeric-fraction)}.underline{text-decoration-line:underline}.line-through{text-decoration-line:line-through}.shadow{--tw-shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--tw-shadow-colored: 0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow, 0 0 #0000),var(--tw-ring-shadow, 0 0 #0000),var(--tw-shadow)}.outline{outline-style:solid}.ring{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.blur{--tw-blur: blur(8px);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.invert{--tw-invert: invert(100%);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-all{transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.duration-500{transition-duration:.5s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}.ease-out{transition-timing-function:cubic-bezier(0,0,.2,1)}:root{--bg-base: #0a1c1c;--bg-surface: #0f2626;--bg-elevated: #132e2e;--bg-hover: #183737;--bg-code: #0b2121;--border: rgba(197, 165, 114, .12);--border-strong: rgba(197, 165, 114, .25);--text-primary: #F7F9F9;--text-secondary: rgba(247, 249, 249, .65);--text-body: rgba(247, 249, 249, .82);--text-muted: rgba(247, 249, 249, .48);--text-faint: rgba(247, 249, 249, .34);--accent: #006D5B;--accent-hover: #0c7d69;--accent-muted: #0c4f47;--accent-dim: rgba(0, 109, 91, .15);--accent-glow: rgba(197, 165, 114, .12);--gold: #C5A572;--gold-soft: #DEC48A;--highlight: #C5A572;--highlight-soft: #DEC48A;--highlight-bg: rgba(197, 165, 114, .1);--success: #6da88a;--success-dim: rgba(109, 168, 138, .16);--warning: #DEC48A;--warning-dim: rgba(222, 196, 138, .12);--error: #d38d7a;--error-dim: rgba(211, 141, 122, .12);--info: #8cb8b4;--info-dim: rgba(140, 184, 180, .12);--sidebar-width: 0px;--content-max: 1120px;--header-height: 72px;--radius-sm: 2px;--radius-md: 4px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: none;--shadow-md: none;--shadow-lg: none}html[data-theme=light]{--bg-base: #F7F9F9;--bg-surface: #fcfdfd;--bg-elevated: #eff4f4;--bg-hover: #e8eeee;--bg-code: #edf3f3;--text-primary: #1E2A2A;--text-secondary: #4A5A5A;--text-body: #1E2A2A;--text-muted: #5A6A6A;--text-faint: rgba(30, 42, 42, .34);--border: rgba(0, 68, 69, .12);--border-strong: rgba(197, 165, 114, .28);--accent-dim: rgba(0, 109, 91, .1);--accent-glow: rgba(0, 109, 91, .18);--highlight-bg: rgba(197, 165, 114, .14);--success-dim: rgba(109, 168, 138, .15);--error-dim: rgba(211, 141, 122, .12);--warning-dim: rgba(222, 196, 138, .14);--info-dim: rgba(140, 184, 180, .14)}html[data-theme=light] body{background-image:none}html[data-theme=light] .token.comment{color:#6b7280}html[data-theme=light] .token.keyword{color:#b45309}html[data-theme=light] .token.string{color:#047857}html[data-theme=light] .token.number{color:#be123c}html[data-theme=light] .token.function{color:#1d4ed8}html[data-theme=light] .token.class-name{color:#b45309}html[data-theme=light] .token.operator{color:#059669}html[data-theme=light] .token.punctuation{color:#4b5563}html[data-theme=light] .token.property,html[data-theme=light] .token.boolean{color:#be123c}html[data-theme=light] pre[class*=language-]{background:#f8f6f1!important}html[data-theme=light] ::-moz-selection{background:#10b98126;color:var(--text-primary)}html[data-theme=light] ::selection{background:#10b98126;color:var(--text-primary)}html[data-theme=light] ::-webkit-scrollbar-track{background:var(--bg-elevated)}html[data-theme=light] ::-webkit-scrollbar-thumb{background:#cbd5e1}html[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:#94a3b8}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--bg-base);background-image:radial-gradient(ellipse at 20% 8%,rgba(0,109,91,.15) 0%,transparent 42%),radial-gradient(ellipse at 80% 0%,rgba(197,165,114,.06) 0%,transparent 32%),linear-gradient(180deg,#0a1c1c,#0b2020 45%,#0a1c1c);color:var(--text-body);font-family:DM Sans,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(197,165,114,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(197,165,114,.04) 1px,transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse at center,black 26%,transparent 72%);-webkit-mask-image:radial-gradient(ellipse at center,black 26%,transparent 72%);opacity:.55;z-index:-1}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--text-faint);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1,h2,h3,h4{font-family:Playfair Display,serif!important;font-weight:700;line-height:1.2;color:var(--text-primary);margin:0}body,button,input,textarea,select,a,span,div,p,li,td,th,label{font-family:DM Sans,sans-serif!important}code,pre,.font-mono{font-family:JetBrains Mono,Fira Code,monospace}pre[class*=language-]{background:var(--bg-code)!important;border:1px solid var(--border);border-radius:var(--radius-lg);margin:0;padding:1.25rem 1.5rem;overflow-x:auto;font-size:.875rem;line-height:1.7}code[class*=language-]{font-family:JetBrains Mono,Fira Code,monospace!important;font-size:.875rem}.token.comment{color:#6b7280}.token.keyword{color:#fbbf24}.token.string{color:#6ee7b7}.token.number{color:#fca5a5}.token.function{color:#93c5fd}.token.class-name{color:#fbbf24}.token.operator{color:#34d399}.token.punctuation{color:#94a3b8}.token.property,.token.boolean{color:#fca5a5}.text-gradient{background:linear-gradient(135deg,var(--gold-soft) 0%,var(--gold) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.card{background:linear-gradient(180deg,#132e2eeb,#0f2626fa);border:1px solid var(--border);border-radius:var(--radius-xl)}.card-elevated{background:linear-gradient(180deg,#132e2ef5,#0f2626);border:1px solid var(--border-strong);border-radius:var(--radius-lg)}.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--gold);color:#1e2a2a;border:none;border-radius:var(--radius-md);padding:.7rem 1.55rem;font-family:DM Sans,sans-serif;font-size:.82rem;font-weight:600;letter-spacing:.03em;cursor:pointer;transition:background .15s ease,transform .1s ease,color .15s ease;text-decoration:none}.btn-primary:hover{background:var(--gold-soft);transform:translateY(-1px)}.btn-primary:active{transform:scale(.96)}.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:.68rem 1.45rem;font-family:DM Sans,sans-serif;font-size:.82rem;font-weight:500;letter-spacing:.03em;cursor:pointer;transition:all .15s ease;text-decoration:none}.btn-ghost:hover{border-color:#fff3;color:#fff;background:#ffffff0f}.btn-ghost:active{transform:scale(.96)}.card-hover{transition:transform .2s ease,border-color .2s ease,background .2s ease}.card-hover:hover{transform:translateY(-2px);border-color:var(--border-strong)}.shell-header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--border);transition:background .3s ease,border-color .3s ease,padding .3s ease}.shell-header-shell{background:linear-gradient(180deg,#0a1c1cf0,#0a1c1ce6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 10px 30px #0000001f}.shell-header-shell.scrolled{background:linear-gradient(180deg,#0a1c1cfa,#0a1c1cf0)}html[data-theme=light] .shell-header-shell{background:linear-gradient(180deg,#f7f9f9f5,#f7f9f9eb);box-shadow:0 10px 30px #0f26260f}html[data-theme=light] .shell-header-shell.scrolled{background:linear-gradient(180deg,#f7f9f9fc,#f7f9f9f2)}.lesson-content{display:flex;flex-direction:column;gap:1rem}.lesson-paragraph,.lesson-list,.lesson-heading{max-width:760px}.lesson-paragraph{margin:0;color:var(--text-body);font-size:1rem;line-height:1.82;text-wrap:pretty}.lesson-heading{margin:.25rem 0 .1rem;color:var(--text-primary);font-family:Playfair Display,serif;font-weight:600;line-height:1.2;text-wrap:balance}.lesson-heading-1{font-size:2rem;margin-top:.5rem}.lesson-heading-2{font-size:1.45rem;margin-top:.4rem}.lesson-heading-3{font-size:1.15rem;margin-top:.3rem}.lesson-heading-4{font-size:1rem;margin-top:.25rem;font-family:DM Sans,sans-serif;font-weight:700}.lesson-list{margin:0;padding-left:1.2rem;color:var(--text-body);display:flex;flex-direction:column;gap:.5rem}.lesson-list-item{padding-left:.15rem;font-size:1rem;line-height:1.75}.lesson-list-ordered{list-style:none;padding-left:0;counter-reset:lesson-counter;gap:.65rem}.lesson-list-ordered>.lesson-list-item{counter-increment:lesson-counter;position:relative;padding-left:2.6rem;min-height:1.9rem}.lesson-list-ordered>.lesson-list-item:before{content:counter(lesson-counter);position:absolute;left:0;top:.1rem;display:inline-flex;align-items:center;justify-content:center;width:1.9rem;height:1.9rem;border-radius:999px;background:var(--accent-soft, rgba(99, 102, 241, .12));color:var(--accent, #6366f1);font-weight:600;font-size:.92rem;font-variant-numeric:tabular-nums;line-height:1}.lesson-callout,.lesson-table-shell,.architecture-diagram{width:100%}.lesson-table th,.lesson-table td{vertical-align:top}@media(max-width:767px){.lesson-content{gap:.85rem}.lesson-paragraph,.lesson-list,.lesson-heading{max-width:none}.lesson-paragraph,.lesson-list-item{font-size:.96rem;line-height:1.74}.lesson-heading-1{font-size:1.7rem}.lesson-heading-2{font-size:1.3rem}}.mobile-menu-toggle{background:transparent;border:1px solid var(--border);color:var(--text-body);padding:10px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;transition:color .15s ease,border-color .15s ease,background .15s ease}.mobile-menu-toggle:hover{color:var(--text-primary);border-color:var(--border-strong);background:var(--bg-elevated)}.exercise-option:not(:disabled):hover{border-color:var(--accent)!important;background:var(--accent-dim)!important}kbd{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 5px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-family:JetBrains Mono,Fira Code,monospace;font-size:.7rem;color:var(--text-muted);line-height:1}:focus-visible{outline:2px solid var(--gold);outline-offset:3px}@keyframes pulse-glow{0%,to{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 8px transparent}}@keyframes flame-pulse{0%,to{opacity:1}50%{opacity:.55}}@keyframes fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fade-in .4s cubic-bezier(.34,1.56,.64,1) forwards}@keyframes skeleton-pulse{0%,to{opacity:.06}50%{opacity:.12}}.skeleton-block{background:var(--text-secondary);border-radius:var(--radius-sm);animation:skeleton-pulse 1.5s ease-in-out infinite}::-moz-selection{background:var(--accent-dim);color:var(--text-primary)}::selection{background:var(--accent-dim);color:var(--text-primary)}.skip-to-content{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;z-index:9999;padding:.75rem 1.5rem;background:var(--gold);color:#fff;font-weight:600;font-family:DM Sans,sans-serif;font-size:.875rem;text-decoration:none;border-radius:0 0 var(--radius-md) var(--radius-md)}.skip-to-content:focus{position:fixed;left:50%;top:0;transform:translate(-50%);width:auto;height:auto;outline:2px solid var(--accent);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:767px){.btn-primary,.btn-ghost{min-height:44px;padding:.6rem 1rem}pre[class*=language-]{padding:.75rem 1rem;font-size:.78rem}.sidebar-full{position:fixed!important;transform:translate(-100%);pointer-events:none}.sidebar-full.sidebar-open{transform:translate(0)!important;pointer-events:auto!important}}@media(min-width:768px)and (max-width:1023px){:root{--sidebar-width: 64px}}.section-nav-hover:hover{background:var(--bg-elevated)}.astro-shell{min-height:100vh;background:var(--bg-base)}.astro-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border);background:#0a1c1cf5;backdrop-filter:blur(12px)}.astro-header-inner,.astro-main,.astro-footer-inner{width:min(1120px,calc(100% - 2rem));margin:0 auto}.astro-header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.astro-brand{color:var(--gold);text-decoration:none;font-family:Syne,sans-serif;font-weight:700;font-size:.98rem;white-space:nowrap}.astro-nav{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;justify-content:flex-end}.astro-nav a,.astro-nav .nav-button{color:var(--text-body);text-decoration:none;font-size:.8rem;font-weight:600}.astro-nav .nav-button{border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:.45rem .75rem;color:var(--text-primary);background:var(--bg-elevated)}.astro-main{padding:2.2rem 0 3rem}.astro-footer{border-top:1px solid var(--border);padding:1.5rem 0;color:var(--text-muted);font-size:.78rem}.hero-label{color:var(--accent);font-size:.8rem;font-weight:700;letter-spacing:.08em;margin-bottom:.6rem}.page-title{margin:0 0 .75rem;color:var(--text-primary);font-family:Playfair Display,serif;font-weight:600;font-size:clamp(2rem,4vw,3.1rem);line-height:1.08}.page-description{color:var(--text-secondary);font-size:1rem;line-height:1.7;max-width:720px;margin:0}.section-title{margin:0;color:var(--text-primary);font-family:Playfair Display,serif;font-size:1.55rem;line-height:1.2}.panel{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem}.domain-grid,.section-grid,.resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.static-card{display:block;position:relative;text-decoration:none;color:inherit;background:linear-gradient(180deg,#f7f9f905,#006d5b0a);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;overflow:hidden}.static-card:hover{border-color:var(--border-strong)}.card-kicker,.meta-line{color:var(--text-muted);font-size:.74rem;font-weight:700;letter-spacing:.06em}.card-title{margin:.45rem 0 .4rem;color:var(--text-primary);font-family:Playfair Display,serif;font-size:1.18rem;line-height:1.25}.card-copy{color:var(--text-secondary);font-size:.88rem;line-height:1.6;margin:0}.action-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:40px;border-radius:var(--radius-md);padding:.55rem .95rem;font-size:.84rem;font-weight:700;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-ghost{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary)}.breadcrumb{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center;margin-bottom:1.5rem;color:var(--text-muted);font-size:.82rem}.breadcrumb a{color:var(--text-muted);text-decoration:none}.lesson-block{display:block;width:100%;clear:both;scroll-margin-top:96px}.section-article .lesson-block:has(>.pullquote){clear:both;width:100%;display:block;margin-top:.6rem}.section-article .pullquote{clear:both!important;float:none!important;display:block!important;width:100%!important}.inline-strong{color:var(--text-primary);font-weight:700}.split-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:2rem;align-items:start}.toc{position:sticky;top:96px}.toc a{display:block;color:var(--text-secondary);text-decoration:none;font-size:.82rem;line-height:1.45;padding:.45rem 0;border-bottom:1px solid var(--border)}.muted{color:var(--text-muted)}.static-lesson{gap:1.1rem}.static-callout{display:block;padding:1.1rem 1.25rem;border-radius:var(--radius-lg);border:1px solid var(--border);border-left:4px solid var(--accent);background:var(--accent-dim);color:var(--text-body)}.static-callout strong{display:block;color:var(--text-primary);margin-bottom:.35rem}.static-callout-warning{border-left-color:var(--warning);background:var(--warning-dim)}.static-callout-danger{border-left-color:var(--error);background:var(--error-dim)}.lesson-table-shell{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border)}.lesson-table{width:100%;border-collapse:collapse;font-size:.92rem}.lesson-table th,.lesson-table td{padding:.7rem .85rem;text-align:left;border-bottom:1px solid var(--border)}.lesson-table th{color:var(--text-primary);background:var(--bg-elevated)}.lesson-table td{color:var(--text-body);line-height:1.6}.static-code{overflow-x:auto;padding:1rem;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-code);color:var(--text-primary)}.static-diagram{margin:0;padding:1rem;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-surface)}.static-diagram-nodes{display:flex;flex-wrap:wrap;gap:.5rem}.static-diagram-nodes span{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:.45rem .65rem;color:var(--text-primary);background:var(--bg-elevated);font-size:.82rem}.astro-nav-toggle{display:none;width:40px;height:40px;padding:8px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;justify-content:space-between;align-items:stretch;gap:4px}.astro-nav-toggle-bar{display:block;height:2px;background:var(--text-primary);border-radius:1px;transition:transform .18s ease,opacity .18s ease;transform-origin:center}@media(max-width:860px){.astro-header-inner{align-items:center;flex-direction:row;padding:.6rem 0;flex-wrap:nowrap}.astro-nav-toggle{display:flex}.astro-nav{position:absolute;top:100%;right:1rem;left:1rem;flex-direction:column;align-items:stretch;gap:0;background:#0a1c1cfa;backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:.4rem;box-shadow:0 24px 60px #0006;transform-origin:top right;transform:translateY(-8px) scaleY(.96);opacity:0;pointer-events:none;transition:transform .18s ease,opacity .18s ease;z-index:30}.astro-nav[data-open=true]{transform:translateY(8px) scaleY(1);opacity:1;pointer-events:auto}.astro-nav a,.astro-nav .nav-button{display:block;padding:.7rem .85rem;border:none;border-radius:var(--radius-md);background:transparent;text-align:left;font-size:.95rem}.astro-nav a+a,.astro-nav a+.nav-button{border-top:1px solid var(--border)}.astro-nav .nav-button{margin-top:.25rem;background:var(--accent);color:#fff;border-top:none}.astro-nav-toggle[aria-expanded=true] .astro-nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}.astro-nav-toggle[aria-expanded=true] .astro-nav-toggle-bar:nth-child(2){opacity:0}.astro-nav-toggle[aria-expanded=true] .astro-nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.split-layout{grid-template-columns:minmax(0,1fr)}.section-article,.lesson-content{min-width:0}.lesson-table-shell{max-width:100%}.lesson-paragraph,.lesson-list-item,.card-grid-body{overflow-wrap:anywhere;word-break:break-word}.lesson-table{min-width:560px}.toc{position:static}}[data-domain-accent=a],[data-domain-accent=b],[data-domain-accent=c],[data-domain-accent=d],[data-domain-accent=e],[data-domain-accent=f],[data-domain-accent=g],[data-domain-accent=h],[data-domain-accent=i]{--domain-accent: #006D5B;--domain-accent-soft: rgba(0, 109, 91, .16)}.section-hero{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;padding:1.25rem 1.5rem 1.6rem;margin-bottom:1.75rem;border:1px solid var(--border);border-radius:var(--radius-xl);background:linear-gradient(135deg,var(--domain-accent-soft, var(--accent-dim)) 0%,transparent 65%),var(--bg-surface);overflow:hidden}.section-hero:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--domain-accent, var(--accent));opacity:.85}.section-hero-meta{flex:1 1 auto;min-width:0}.section-hero .hero-label{color:var(--domain-accent, var(--accent))}.section-hero-subtitle{margin:0 0 .6rem;color:var(--text-body);font-size:1rem;line-height:1.55;max-width:720px}.section-hero-ornament{flex:0 0 auto;color:var(--domain-accent, var(--accent));opacity:.55;margin-top:-.25rem;pointer-events:none}@media(max-width:640px){.section-hero{flex-direction:column;padding:1rem 1.1rem 1.2rem}.section-hero-ornament{align-self:flex-end}}.toc-link{display:block;color:var(--text-secondary);text-decoration:none;font-size:.82rem;line-height:1.45;padding:.45rem 0;border-bottom:1px solid var(--border)}.toc-link-strong{font-weight:700;color:var(--text-primary)}.toc-link-anchor{font-weight:500;border-bottom:none;padding:.3rem 0 .3rem .6rem;border-left:2px solid transparent;font-size:.78rem}.toc-link-anchor:hover{color:var(--domain-accent, var(--accent));border-left-color:var(--domain-accent, var(--accent))}.toc-headings{margin-top:.85rem;padding-top:.85rem;border-top:1px solid var(--border)}.toc-heading-label{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.45rem}@media(min-width:1024px){.toc{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow-y:auto}}.term-chip{display:inline-block;padding:.05rem .5rem;border-radius:999px;background:color-mix(in srgb,var(--domain-accent, var(--accent)) 18%,transparent);color:var(--text-primary);border:1px solid color-mix(in srgb,var(--domain-accent, var(--accent)) 40%,transparent);font-size:.85em;font-weight:600;line-height:1.4;white-space:nowrap}.card-grid{display:grid;grid-template-columns:repeat(var(--card-grid-columns, 3),minmax(0,1fr));gap:.85rem;margin:.6rem 0 .4rem}@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.card-grid{grid-template-columns:1fr}}.card-grid-card{display:flex;flex-direction:column;gap:.4rem;padding:1rem;border:1px solid var(--border);border-top:3px solid var(--domain-accent, var(--accent));border-radius:var(--radius-lg);background:linear-gradient(180deg,color-mix(in srgb,var(--domain-accent, var(--accent)) 4%,transparent) 0%,transparent 100%),var(--bg-surface)}.card-grid-glyph{font-size:1.65rem;line-height:1;color:var(--domain-accent, var(--accent))}.card-grid-card .card-kicker{font-family:Playfair Display,serif;font-size:clamp(2.6rem,4.4vw,3.6rem);font-weight:600;letter-spacing:-.01em;line-height:1;text-transform:none;color:var(--domain-accent, var(--accent));margin:0 0 .35rem}.section-article .lesson-block:has(>.lesson-heading-2)+.lesson-block>.lesson-paragraph:first-letter{font-family:Playfair Display,serif;color:var(--domain-accent, var(--accent));float:left;font-size:3.6rem;line-height:.88;padding:.08em .12em 0 0;font-weight:600}.section-article .lesson-paragraph{max-width:68ch;line-height:1.7;margin-block:1.05em}.section-article .lesson-block:has(>.lesson-paragraph)+.lesson-block:has(>.lesson-paragraph)>.lesson-paragraph{text-indent:1.5em}.card-grid-title{margin:0;font-family:Playfair Display,serif;font-size:1.02rem;line-height:1.3;color:var(--text-primary)}.card-grid-body{margin:0;color:var(--text-body);font-size:.86rem;line-height:1.55}.tier-diagram{display:block;margin:1rem 0 1.4rem}.tier-diagram .tier-row{display:block;margin:0 auto .45rem;width:100%;box-sizing:border-box}.tier-diagram-pyramid .tier-row{width:calc(40% + (var(--tier-index) / max(var(--tier-count) - 1,1)) * 60%)}.tier-diagram-pyramid-inverted .tier-row{width:calc(100% - (var(--tier-index) / max(var(--tier-count) - 1,1)) * 60%)}.tier-band{display:block;padding:1rem 1.25rem;border-radius:var(--radius-lg);border:1px solid color-mix(in srgb,var(--domain-accent, var(--accent)) 35%,var(--border));background:linear-gradient(135deg,color-mix(in srgb,var(--domain-accent, var(--accent)) calc(8% + (var(--tier-index) / max(var(--tier-count) - 1,1)) * 24%),var(--bg-surface)),color-mix(in srgb,var(--domain-accent, var(--accent)) calc(4% + (var(--tier-index) / max(var(--tier-count) - 1,1)) * 12%),var(--bg-surface)));text-align:left}.tier-label{display:block;font-family:Playfair Display,serif;font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem;white-space:normal;overflow:visible}.tier-description{color:var(--text-body);font-size:.86rem;line-height:1.55}@media(max-width:640px){.tier-diagram-pyramid .tier-row,.tier-diagram-pyramid-inverted .tier-row{width:100%}}.expandable-cards{display:flex;flex-direction:column;gap:.5rem;margin:.6rem 0}.expandable-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-surface);overflow:hidden}.expandable-card[open]{border-color:color-mix(in srgb,var(--domain-accent, var(--accent)) 45%,var(--border))}.expandable-card-summary{list-style:none;display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.expandable-card-summary::-webkit-details-marker{display:none}.expandable-card-title{flex:1 1 auto;font-family:Playfair Display,serif;font-size:.98rem;color:var(--text-primary)}.expandable-card-badge{flex:0 0 auto;padding:.18rem .55rem;border-radius:999px;background:color-mix(in srgb,var(--domain-accent, var(--accent)) 22%,transparent);border:1px solid color-mix(in srgb,var(--domain-accent, var(--accent)) 45%,transparent);color:var(--text-primary);font-size:.72rem;font-weight:700;letter-spacing:.04em;white-space:nowrap}.expandable-card-chevron{flex:0 0 auto;width:1.4rem;height:1.4rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--border-strong);color:var(--domain-accent, var(--accent));font-size:1rem;line-height:1;transition:transform .18s ease}.expandable-card[open] .expandable-card-chevron{transform:rotate(45deg)}.expandable-card-body{padding:0 1rem 1rem;color:var(--text-body);font-size:.9rem;line-height:1.6;border-top:1px dashed var(--border)}.expandable-card-body>:first-child{margin-top:.85rem}.pullquote{display:block;width:100%;max-width:720px;clear:both;position:relative;margin:1.4rem 0;padding:1.1rem 1.4rem 1.2rem 2.6rem;border-left:3px solid var(--domain-accent, var(--accent));border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--domain-accent, var(--accent)) 6%,transparent);border-radius:0 var(--radius-lg) var(--radius-lg) 0;color:var(--text-primary);box-sizing:border-box}.pullquote:before{content:"“";position:absolute;top:.05rem;left:.55rem;font-family:Playfair Display,serif;font-size:3.4rem;line-height:1;color:var(--domain-accent, var(--accent));opacity:.55}.pullquote-text{margin:0;font-family:Playfair Display,serif;font-style:italic;font-size:1.12rem;line-height:1.55}.pullquote-attribution{display:block;margin-top:.6rem;font-style:normal;font-size:.82rem;color:var(--text-muted)}.section-divider{display:flex;align-items:center;gap:.85rem;margin:1.8rem 0;color:var(--domain-accent, var(--accent));opacity:.7}.section-divider-line{flex:1 1 auto;height:1px;background:linear-gradient(90deg,transparent 0%,color-mix(in srgb,var(--domain-accent, var(--accent)) 55%,transparent) 50%,transparent 100%)}.section-divider-glyph{flex:0 0 auto;display:block}:root{--maqasid-mal: #006D5B;--maqasid-aql: #6D28D9;--maqasid-din: #B45309;--maqasid-nafs: #BE123C;--maqasid-nasl: #DB2777}.maqasid-chip{display:inline-flex;align-items:center;padding:.1rem .55rem;border-radius:9999px;font-size:.74rem;font-weight:700;letter-spacing:.04em;line-height:1.6;color:#fff;white-space:nowrap}.maqasid-chip+.maqasid-chip{margin-left:.3rem}.maqasid-chip--mal,.maqasid-chip--aql,.maqasid-chip--din,.maqasid-chip--nafs,.maqasid-chip--nasl{background:var(--domain-accent, var(--accent))}.expandable-card-badge-row{flex:0 0 auto;display:inline-flex;align-items:center;gap:.3rem}.card-grid-card--accent-mal,.card-grid-card--accent-aql,.card-grid-card--accent-din,.card-grid-card--accent-nafs,.card-grid-card--accent-nasl{border-top-color:var(--domain-accent, var(--accent))}.card-grid-card--accent-mal .card-kicker,.card-grid-card--accent-aql .card-kicker,.card-grid-card--accent-din .card-kicker,.card-grid-card--accent-nafs .card-kicker,.card-grid-card--accent-nasl .card-kicker{color:var(--domain-accent, var(--accent))}[lang=ar],.ar{font-family:Amiri,Noto Naskh Arabic,serif;font-size:1.1em;line-height:1.7}.term-chip{cursor:help}.term-chip:focus{outline:2px solid var(--domain-accent, var(--accent));outline-offset:2px}#term-tooltip{position:absolute;z-index:100;max-width:320px;padding:.7rem .9rem;border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border-strong);box-shadow:0 12px 32px #0006;font-size:.85rem;line-height:1.5;color:var(--text-primary);pointer-events:none;opacity:0;transition:opacity .12s ease;top:0;left:0}#term-tooltip[data-open=true]{opacity:1}#term-tooltip .tooltip-ar{font-family:Amiri,serif;font-size:1.2em;display:block;margin-bottom:.15rem}#term-tooltip .tooltip-translit{font-style:italic;color:var(--text-secondary);display:block;margin:.2rem 0 .3rem}#term-tooltip .tooltip-def{display:block;color:var(--text-body)}.toc-link-anchor{transition:color .12s ease,border-color .12s ease}.toc-link-anchor[data-active=true]{color:var(--domain-accent, var(--accent));border-left:2px solid var(--domain-accent, var(--accent));padding-left:.5rem;font-weight:600}.lesson-heading-icon{display:inline-block;width:1.05em;height:1.05em;margin-right:.45em;color:var(--domain-accent, var(--accent));vertical-align:-.15em;flex:0 0 auto}.section-article .lesson-heading-2{display:flex;align-items:center;gap:.55em;margin-top:1.6rem;padding-bottom:.45rem;border-bottom:1px solid color-mix(in srgb,var(--domain-accent, var(--accent)) 20%,var(--border))}.section-article .lesson-heading-3{position:relative;margin-top:1.4rem;padding-left:.85rem;border-left:3px solid var(--domain-accent, var(--accent));font-family:Playfair Display,serif;font-weight:600;font-size:1.4rem;line-height:1.25;color:var(--text-primary);letter-spacing:-.005em}.section-article .lesson-heading-4{margin-top:1rem;font-family:DM Sans,sans-serif;font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;color:var(--domain-accent, var(--accent))}.section-article .lesson-table th{background:color-mix(in srgb,var(--domain-accent, var(--accent)) 16%,var(--bg-elevated));color:var(--text-primary);font-family:Playfair Display,serif;font-weight:600;font-size:.92rem;padding:.85rem .95rem;letter-spacing:.01em;border-bottom:2px solid var(--domain-accent, var(--accent))}.section-article .lesson-table td{padding:.85rem .95rem;vertical-align:top}.section-article .lesson-table tbody tr:nth-child(odd) td{background:color-mix(in srgb,var(--domain-accent, var(--accent)) 4%,transparent)}.section-article .lesson-list{padding-left:1.4rem;margin:.6rem 0}.section-article .lesson-list li{margin-bottom:.35rem;line-height:1.65}.section-article .lesson-list li::marker{color:var(--domain-accent, var(--accent));font-weight:700}.section-article .static-callout{border-left-color:var(--domain-accent, var(--accent));background:color-mix(in srgb,var(--domain-accent, var(--accent)) 8%,var(--bg-surface));padding:1.2rem 1.4rem;border-radius:var(--radius-lg)}.section-article .static-callout strong{font-family:Playfair Display,serif;font-weight:600;font-size:1.05rem;color:var(--domain-accent, var(--accent))}