.code-library{background:#f2f6f3;color:#10291b;padding:48px 0 76px}.resource-heading{max-width:830px;margin-bottom:32px}.resource-heading h2,.resource-detail h2{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.15;margin:10px 0 20px}.resource-heading>p:last-child{color:#465f4e;line-height:1.75}.resource-path{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:16px 0 25px;border-bottom:1px solid #c8d8cc;margin-bottom:32px;font-size:.92rem;color:#4a6051}.resource-path a{color:#174b29;font-weight:700;text-underline-offset:4px}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.resource-card{display:flex;flex-direction:column;padding:28px;border:1px solid #cbdace;border-top:3px solid #86a990;background:#fff;border-radius:10px;text-decoration:none;color:#10291b;box-shadow:0 7px 22px #06100a07}.resource-card:first-child{grid-column:1/-1;background:linear-gradient(115deg,#0a2616,#17482b);color:#fff;border-color:#568c66}.resource-card h3{font-size:1.5rem;margin:12px 0}.resource-card p{line-height:1.65;margin:0 0 22px;color:#4c6253;max-width:770px}.resource-card:first-child p{color:#d1e1d5}.resource-number{font-size:.9rem;font-weight:800;letter-spacing:.08em;color:#326340}.resource-card:first-child .resource-number{color:#8fe7a9}.resource-status{display:flex;gap:20px;align-items:center;margin-top:auto;font-size:.9rem;font-weight:750;color:#607669}.resource-card:first-child .resource-status{color:#9cf1b3}.resource-card.is-ready{transition:box-shadow .2s,transform .2s}.resource-card.is-ready:hover{transform:translateY(-3px);box-shadow:0 14px 28px #06100a22}.resource-card:focus-visible{outline:3px solid #21ce69;outline-offset:5px}.resource-detail-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start}.resource-sidebar{position:sticky;top:120px;padding:22px;background:#e4eee6;border-radius:8px;font-size:.92rem}.resource-sidebar>p{font-size:.72rem;letter-spacing:.12em;font-weight:800;color:#536d5b;margin:0 0 16px}.resource-sidebar nav{display:flex;flex-direction:column;gap:14px}.resource-sidebar a{color:#1b492b;text-decoration:none;line-height:1.5}.resource-sidebar a:hover{text-decoration:underline}.resource-back{display:block;border-top:1px solid #c0d2c6;margin-top:22px;padding-top:18px;font-weight:700}.resource-detail{min-width:0;line-height:1.75}.resource-detail section{scroll-margin-top:120px;margin-bottom:54px;padding-bottom:44px;border-bottom:1px solid #c8d8cc}.resource-detail section:last-of-type{margin-bottom:28px}.resource-detail h3{font-size:1.35rem;margin:28px 0 14px}.resource-detail p{margin:0 0 20px}.resource-detail code,.folder-illustration code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em;overflow-wrap:anywhere}.data-split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}.data-split>div{padding:22px;background:#fff;border:1px solid #cbdace;border-radius:8px}.data-split strong{color:#215b35;font-size:1.15rem}.data-split p{margin:8px 0 0}.folder-illustration{margin:28px 0;background:#fff;border:1px solid #c7d8cc;border-radius:10px;overflow:hidden}.folder-illustration figcaption{padding:16px 22px;background:#0e2d1b;color:#e4f3e8;font-weight:750}.folder-root{display:flex;align-items:center;gap:12px;margin:24px 24px 18px;font-weight:800;font-size:1.15rem}.folder-icon{display:inline-block;position:relative;flex:none;width:22px;height:15px;background:#4d9762;border-radius:2px;margin-right:7px;vertical-align:middle}.folder-icon:before{content:"";position:absolute;top:-4px;left:1px;width:10px;height:5px;background:inherit;border-radius:2px 2px 0 0}.clip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 22px 22px;padding-top:20px;border-top:2px solid #adc7b5}.clip-card{padding:15px 12px;background:#edf4ef;border:1px solid #cadcd0;border-radius:7px;min-width:0}.clip-card h4{margin:0 0 18px;font-size:1rem}.folder-branch{border-left:2px solid #adc7b5;padding-left:12px;display:grid;gap:20px}.folder-branch strong{display:block;font-size:.92rem}.folder-branch .folder-icon{width:16px;height:12px}.file-pill{display:block;margin-top:8px;font: .75rem ui-monospace,monospace;background:#fff;border:1px solid #cfddd3;padding:6px;border-radius:4px;overflow-wrap:anywhere}.folder-branch small{display:block;color:#5a7061;font-size:.75rem;margin-top:5px}.figure-note{font-size:.85rem;color:#4a6252;padding:0 22px 20px;margin:0!important}.resource-note{background:#e1eee5;border-left:4px solid #438b5b;padding:20px 22px;margin:25px 0}.resource-note p{margin:8px 0 0}.resource-code{background:#081b10;color:#d8ecdf;padding:24px;border-radius:8px;overflow:auto;font-size:.9rem;line-height:1.65;tab-size:4}.resource-code code{overflow-wrap:normal;white-space:pre}.coordinate-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}.coordinate-grid figure{margin:0;min-width:0}.coordinate-grid figcaption{font-size:.85rem;font-weight:800;margin-bottom:10px}.coordinate-diagram{width:100%;height:auto;display:block}.inference-flow{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:24px 0}.inference-flow>span{padding:14px;background:#fff;border:1px solid #bed1c4;border-radius:6px;font-size:.9rem}.inference-flow>b{color:#34794b}.resource-table-scroll{overflow:auto}.resource-table{width:100%;border-collapse:collapse;font-size:.9rem;margin:22px 0;background:#fff}.resource-table th,.resource-table td{text-align:left;vertical-align:top;padding:14px;border:1px solid #c9d9ce}.resource-table th{background:#e1ece5}.resource-checks{padding-left:22px}.resource-checks li{margin-bottom:16px}.resource-source{font-size:.85rem;color:#607568}.resource-bottom-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.resource-bottom-nav>a:last-child{font-weight:700;color:#245a35}.resource-bottom-nav .button{font-size:.9rem}
@media(max-width:1000px){.resource-detail-layout{grid-template-columns:1fr;gap:12px}.resource-sidebar{position:static}.resource-sidebar nav{flex-direction:row;flex-wrap:wrap;gap:12px 20px}.resource-back{display:none}}
@media(max-width:650px){.code-library{padding:28px 0 48px}.resource-grid,.data-split,.coordinate-grid,.clip-grid{grid-template-columns:1fr}.resource-card{padding:23px}.resource-card:first-child{grid-column:auto}.resource-code{padding:18px;font-size:.8rem}.clip-grid{margin:0 18px 18px}.folder-branch{grid-template-columns:1fr 1fr}.resource-detail section{margin-bottom:35px;padding-bottom:28px}.resource-sidebar{padding:18px}.resource-sidebar nav{font-size:.85rem}.coordinate-grid{gap:25px}}
@media(prefers-reduced-motion:reduce){.resource-card.is-ready{transition:none}.resource-card.is-ready:hover{transform:none}}
/* A stable reading window; navigation remains outside its scroll area. */
.resource-detail{height:680px;max-height:72svh;overflow:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable;padding:8px 22px 22px 4px;scroll-behavior:smooth;scrollbar-color:#42845a #deebe2;position:relative}
.resource-detail section{scroll-margin-top:20px}.resource-sidebar nav a{display:block;padding:8px 10px;margin:-3px -10px;border-radius:6px;transition:background .15s,color .15s,box-shadow .15s}.resource-sidebar nav a[aria-current="location"]{background:#123d23;color:#21ce69;box-shadow:inset 3px 0 #21ce69,0 3px 10px #06100a15;font-weight:750}.resource-sidebar nav a:hover{background:#c9e3d1;text-decoration:none}.resource-sidebar nav a[aria-current="location"]:hover{background:#194d2c}.resource-sidebar nav a:focus-visible{outline:2px solid #21a650;outline-offset:3px}
.code-access-shell{position:relative;isolation:isolate}.resource-blurrable{transition:filter .35s,opacity .35s}.is-locked .resource-blurrable,.code-access-pending .resource-blurrable{filter:blur(9px);opacity:.45;pointer-events:none;user-select:none}.code-access-overlay{position:absolute;inset:0;z-index:5;display:flex;align-items:flex-start;justify-content:center;padding:38px 24px;background:#06100a33}.code-access-overlay[hidden]{display:none}.code-access-dialog{position:sticky;top:110px;overflow:hidden;width:min(100%,1000px);border:1px solid #89a98588;border-radius:24px;background:#07160e url("images/code-access-swamp-v166.webp") center/cover no-repeat;color:#f0f5ef;box-shadow:0 28px 90px #0008;isolation:isolate}.code-access-dialog:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#031009f2 0%,#031009df 52%,#03100977 77%,#03100918);z-index:-1}.code-access-copy{width:77%;padding:32px 40px}.code-access-logo{display:block;width:240px;max-width:90%;height:auto;margin:0 0 22px}.code-access-copy .eyebrow{color:#9de9b3;margin:0 0 10px}.code-access-copy h2{color:#fff;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.08;margin:0 0 18px}.code-access-copy>p:not(.eyebrow){font-size:.94rem;color:#d7e4da;line-height:1.6}.code-terms-text{max-height:265px;overflow:auto;overscroll-behavior:contain;padding:0 16px 0 0;scrollbar-color:#7c9b6b #162b1e;scrollbar-width:thin;font-size:.86rem;line-height:1.65}.code-terms-text p{margin:0 0 15px;color:#cfddd2}.code-terms-text strong{color:#f1f6ed}.code-terms-text:focus-visible{outline:2px solid #8ce4a4;outline-offset:4px}.code-access-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px}.code-accept{position:relative;overflow:hidden;border:1px solid #b2f39a;background:linear-gradient(135deg,#9ef36d,#32ce62);color:#061a0c;padding:14px 24px;font-family:inherit;font-size:.98rem;font-weight:800;border-radius:50px;cursor:pointer;box-shadow:0 0 26px #64df5744;transition:box-shadow .2s,transform .2s}.code-accept span{margin-left:16px}.code-accept:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 25%,#ffffff88,transparent 70%);transform:translateX(-120%)}.code-accept:hover:after{animation:code-accept-shine .65s ease-out 1}.code-accept:hover{transform:translateY(-2px);box-shadow:0 0 32px #64df5777}.code-accept:focus-visible{outline:3px solid #fff;outline-offset:5px}.code-access-actions>a{font-size:.85rem;color:#cdded1;text-underline-offset:4px}.code-terms-review{padding-top:20px;padding-bottom:20px;text-align:right}.code-terms-review button{color:#41614c;background:none;border:0;font:inherit;font-size:.8rem;text-decoration:underline;cursor:pointer}.is-locked .code-terms-review{visibility:hidden}.code-lamp-bugs{position:absolute;inset:0;pointer-events:none;z-index:-1}.code-lamp-bug{position:absolute;display:block;width:var(--size);height:var(--size);border-radius:50%;background:#efe2a1;box-shadow:0 0 6px 2px #e3d56a88;opacity:0;animation:code-lamp-float var(--life) ease-in-out 1}.code-access-shell .code-library{min-height:900px}
@keyframes code-lamp-float{0%,100%{opacity:0;transform:translate(0,0)}30%{opacity:.85}70%{opacity:.45;transform:translate(var(--dx),-13px)}95%{transform:translate(var(--dx),-23px)}}@keyframes code-accept-shine{to{transform:translateX(120%)}}
@media(max-width:1000px){.resource-sidebar nav a{margin:0;padding:8px 10px}.resource-sidebar nav{gap:5px}.resource-detail{height:640px;max-height:65svh}.code-access-copy{width:82%}}
@media(max-width:650px){.resource-detail{height:550px;max-height:62svh;padding-right:12px}.code-access-overlay{padding:20px 12px}.code-access-dialog{top:90px;border-radius:18px;background-position:74% center}.code-access-copy{width:100%;padding:24px}.code-access-dialog:before{background:#031009d9}.code-access-logo{width:210px}.code-terms-text{max-height:210px}.code-access-copy h2{font-size:1.8rem}.code-access-shell .code-library{min-height:1100px}}
@media(prefers-reduced-motion:reduce){.resource-detail{scroll-behavior:auto}.resource-sidebar nav a,.resource-blurrable,.code-accept{transition:none}.code-lamp-bugs{display:none}.code-accept:hover{transform:none}.code-accept:hover:after{animation:none}}

/* Lamp insects remain present and move continuously; they do not blink like fireflies. */
.code-lamp-bug{left:0;top:0;animation:none;opacity:.8;background:#ead8b0;box-shadow:0 0 2px #e9d6a366;will-change:transform;transition:none}

/* V154: Windows walkthrough and operating-system setup tabs. */
.windows-terminal{margin:28px 0;background:#0c0c0c;border:1px solid #515654;border-radius:10px;overflow:hidden;color:#ccc;box-shadow:0 10px 28px #06100a18}.windows-terminal figcaption{display:flex;align-items:center;gap:12px;background:#252525;padding:12px 18px;color:#eee;font:14px/1.4 ui-sans-serif,system-ui,sans-serif}.windows-terminal figcaption span{font-family:Consolas,"Liberation Mono",monospace}.windows-terminal pre{margin:0;padding:20px;overflow-x:auto;font:13px/1.55 Consolas,"Liberation Mono",monospace;tab-size:4}.windows-terminal pre code{font:inherit;white-space:pre;overflow-wrap:normal}.windows-terminal pre:focus-visible{outline:2px solid #21ce69;outline-offset:-3px}
.python-os-picker{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;gap:4px;isolation:isolate;background:linear-gradient(135deg,#0c2418,#07150e);border:1px solid #3c6e4d;border-radius:999px;padding:5px;margin:4px 0 18px;box-shadow:0 8px 22px #06100a20,inset 0 1px 0 #ffffff12}.python-os-slider{position:absolute;left:5px;top:5px;bottom:5px;width:calc((100% - 14px)/2);border-radius:999px;background:linear-gradient(135deg,#21ce69,#13ac53);box-shadow:0 0 18px #21ce6933,inset 0 1px 0 #ffffff44;z-index:-1;transition:transform .25s cubic-bezier(.2,.8,.2,1)}.python-os-picker[data-os="windows"] .python-os-slider{transform:translateX(calc(100% + 4px))}.python-os-picker button{border:0;border-radius:999px;background:transparent;color:#c4d6ca;padding:11px 30px;line-height:1.2;font-family:inherit;font-size:.95rem;font-weight:750;cursor:pointer;transition:color .2s}.python-os-picker button[aria-selected="true"]{color:#04140b}.python-os-picker button:focus-visible{outline:2px solid #fff;outline-offset:-4px}.python-os-panel[hidden]{display:none}.python-os-panel{animation:python-panel-in .2s ease-out}@keyframes python-panel-in{from{opacity:.5;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.python-os-slider{transition:none}.python-os-panel{animation:none}}

/* V156 utility views: fixed controls above the independently scrolling reader. */
.utility-workspace{min-width:0}.utility-picker{--view:0;position:relative;isolation:isolate;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:5px;margin:0 0 20px;background:linear-gradient(135deg,#0c2418,#07150e);border:1px solid #3c6e4d;border-radius:999px;box-shadow:0 8px 22px #06100a20,inset 0 1px 0 #ffffff12}.utility-slider{position:absolute;top:5px;bottom:5px;left:5px;width:calc((100% - 22px)/4);transform:translateX(calc(var(--view) * (100% + 4px)));border-radius:999px;background:linear-gradient(135deg,#21ce69,#13ac53);box-shadow:0 0 18px #21ce6933,inset 0 1px 0 #ffffff44;z-index:-1;transition:transform .25s cubic-bezier(.2,.8,.2,1)}.utility-picker button{padding:12px 8px;border:0;border-radius:999px;background:transparent;color:#c4d6ca;font:750 .88rem/1.2 ui-sans-serif,system-ui,sans-serif;cursor:pointer}.utility-picker button[aria-selected="true"]{color:#04140b}.utility-picker button:focus-visible{outline:2px solid white;outline-offset:-4px}.utility-panel[hidden]{display:none}.utility-panel{animation:python-panel-in .2s ease-out}.utility-output{margin:24px 0;padding:10px;background:white;border:1px solid #c7d8cc;border-radius:8px}.utility-output img{display:block;width:100%;height:auto}.utility-output figcaption{font-size:.8rem;color:#536d5b;margin:10px 4px 2px}.utility-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:20px 0}.utility-copy,.utility-download{border:1px solid #438b5b;border-radius:999px;padding:10px 18px;font:750 .9rem/1.3 ui-sans-serif,system-ui,sans-serif;text-decoration:none;cursor:pointer}.utility-copy{background:#0e2d1b;color:#21ce69}.utility-download{background:#e1eee5;color:#123d23}.utility-copy:hover{background:#17482b}.utility-copy:focus-visible,.utility-download:focus-visible{outline:2px solid #21ce69;outline-offset:3px}.utility-copy-status{font-size:.85rem;color:#245a35}.utility-source{max-width:100%;overflow-x:auto}.utility-prompt code{white-space:pre-wrap;overflow-wrap:anywhere}.utility-prompt{overflow-wrap:anywhere}.utility-workspace .resource-detail{max-height:calc(72svh - 70px)}@media(max-width:1000px){.utility-workspace .resource-detail{max-height:calc(65svh - 70px)}}@media(max-width:650px){.utility-picker button{font-size:.72rem;padding:12px 3px}.utility-workspace .resource-detail{max-height:62svh}}@media(prefers-reduced-motion:reduce){.utility-slider{transition:none}.utility-panel{animation:none}}