/* Selected notebook concept: beige entrance, original 01 sections below. */
.notebook-refined .sd-hero{background:linear-gradient(135deg,#fff 0%,#e6fbef 35%,#acfacd 100%);color:#102c20;--sd-mint:#70f5b5}
.notebook-refined .sd-hero .sd-lead{color:#292a25}
.notebook-refined .sd-hero .sd-button{background:#70f5b5;color:#111;border-color:#111}
.notebook-refined .lc-art:before{background:#b49aff;opacity:.13;filter:blur(65px)}
.notebook-refined .lc-caption,.notebook-refined .lc-change{color:#5c594f}
.notebook-refined .lc-change{border-color:#a49e8e}
.notebook-refined .lc-stage{width:106%}
/* A familiar AI chat inside the drawn notebook display, without pixel type. */
:is(#site-font,html) body.notebook-refined .lc-interface,:is(#site-font,html) body.notebook-refined .lc-interface *{font-family:Sora,Arial,sans-serif!important}
.notebook-refined .lc-interface{background:#fff;border:0}
.notebook-refined .lc-bar{height:30px;padding:0 12px;background:#f4f4f4;font-size:10px;font-weight:400;color:#555;border-bottom:1px solid #e2e2e2}
.notebook-refined .lc-window-controls{gap:5px}.notebook-refined .lc-window-controls i{height:5px;width:5px;border-color:#999}
.notebook-refined .lc-app{height:310px;grid-template-columns:98px minmax(0,1fr)}
.notebook-refined .lc-sidebar{padding:18px 10px;background:#f5f5f4;gap:18px;font-size:10px;text-align:left;color:#707070;border-right:1px solid #e5e5e4}
.notebook-refined .lc-sidebar b{font-size:13px;font-weight:600;color:#222;margin-bottom:2px}
.notebook-refined .lc-sidebar span{display:flex;gap:7px;align-items:center}
.notebook-refined .lc-sidebar span:before{width:11px;height:9px;margin:0;border-color:#888;flex:none}
.notebook-refined .lc-sidebar .lc-new-chat{padding:6px 0;color:#111;border-bottom:1px solid #dededb}
.notebook-refined .lc-content{padding:15px 21px 13px;gap:9px}
.notebook-refined .lc-model{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#666;margin-bottom:3px}
.notebook-refined .lc-content h3{font-size:23px;line-height:1.2;letter-spacing:-.04em;margin:0 0 3px}
.notebook-refined .lc-message{font-size:12px;line-height:1.55;background:#f1f1ef;padding:9px 12px;border-radius:12px 12px 2px 12px;align-self:flex-end;max-width:90%;margin:0}
.notebook-refined .lc-response{border:0;padding:5px 0 0;display:grid;grid-template-columns:22px 1fr;gap:9px;font-size:12px;line-height:1.5}
.notebook-refined .lc-ai-icon{width:20px;height:20px;border-radius:50%;background:#252525;color:#fff;display:grid;place-items:center;font-size:11px}
.notebook-refined .lc-response p{font-size:12px;margin:0 0 4px;color:#222}
.notebook-refined .lc-response span{font-size:11px;line-height:1.55;color:#666}
.notebook-refined .lc-input{background:#f6f6f4;border:1px solid #dededb;border-radius:15px;min-height:48px;gap:10px;padding:9px 11px;font-size:13px}
.notebook-refined .lc-input-plus{font-size:20px;color:#777;font-weight:400}
.notebook-refined .lc-send{border:0;border-radius:50%;background:#252525;width:25px;height:25px;flex:none}
.notebook-refined .lc-send:before{top:12px;left:7px;width:11px;border-color:white;transform:rotate(-90deg)}
.notebook-refined .lc-send:after{top:6px;left:9px;width:6px;height:6px;border-color:white;transform:rotate(-45deg)}
.notebook-refined .lc-type-caret{height:1.05em}
/* Flat AI application screen, without notebook hardware or perspective. */
.notebook-refined .sd-hero-art.lc-flat-art{display:block;width:100%;aspect-ratio:auto;min-width:0}
.notebook-refined .lc-flat-art:before{content:none}
.notebook-refined .lc-flat-screen{width:100%;box-sizing:border-box;border:1px solid #c9c8c2;border-radius:12px;overflow:hidden;box-shadow:0 18px 45px #24221d0b;background:#fff}
.notebook-refined .lc-flat-screen .lc-interface{position:static;transform:none;width:100%;height:auto;pointer-events:none}
.notebook-refined .lc-flat-screen .lc-bar{height:36px;padding:0 16px;font-size:10px}
.notebook-refined .lc-flat-screen .lc-app{height:388px;grid-template-columns:112px minmax(0,1fr)}
.notebook-refined .lc-flat-screen .lc-sidebar{padding:22px 14px;font-size:11px;gap:23px}
.notebook-refined .lc-flat-screen .lc-content{padding:21px 24px 18px;gap:17px}
.notebook-refined .lc-flat-screen .lc-content h3{font-size:26px}
.notebook-refined .lc-flat-screen .lc-message{font-size:13px;padding:11px 14px}
.notebook-refined .lc-flat-screen .lc-response p{font-size:13px}
.notebook-refined .lc-flat-screen .lc-response span{font-size:12px;line-height:1.7}
.notebook-refined .lc-flat-screen .lc-input{font-size:14px;min-height:55px}
/* A small recurring signature, integrated with the lower content. */
.notebook-refined .sd-closing{padding:0;background:#101616}
.notebook-refined .sandbox-inline-signature{display:inline-flex;align-items:center;gap:.45em;font:400 12px/1.3 'IBM Plex Mono',monospace;letter-spacing:.11em;color:#70f5b5;margin:0 0 23px;white-space:nowrap}
.notebook-refined .sandbox-wordmark s{text-decoration:none;font-weight:400}
.notebook-refined .sandbox-wordmark i{display:block;width:.5em;height:1.08em;flex:none;background:currentColor;animation:notebook-closing-cursor 1.15s steps(1,end) infinite}
.notebook-refined .sd-closing .sandbox-closing-content{padding-top:58px;padding-bottom:68px;gap:45px;align-items:center}
.notebook-refined .sd-closing h2{font-size:clamp(38px,4.5vw,66px);line-height:1.1}
.notebook-refined .sd-closing .sandbox-closing-content p{font-size:15px;line-height:1.8;margin:20px 0 0;max-width:57ch}
@keyframes notebook-closing-cursor{0%,48%{opacity:1}49%,100%{opacity:0}}
@media(max-width:1000px){.notebook-refined .sd-closing .sandbox-closing-content{align-items:flex-start}}
@media(max-width:1000px) and (min-width:761px){.notebook-refined .lc-flat-screen .lc-app{grid-template-columns:80px minmax(0,1fr);height:405px}.notebook-refined .lc-flat-screen .lc-sidebar{padding:20px 9px;font-size:10px}.notebook-refined .lc-flat-screen .lc-content{padding:18px 14px;gap:15px}.notebook-refined .lc-flat-screen .lc-content h3{font-size:21px}}
@media(max-width:760px){.notebook-refined .lc-flat-screen .lc-app{grid-template-columns:68px minmax(0,1fr);height:410px}.notebook-refined .lc-flat-screen .lc-sidebar{padding:20px 8px;font-size:9px;gap:23px}.notebook-refined .lc-flat-screen .lc-sidebar b{font-size:10px}.notebook-refined .lc-flat-screen .lc-sidebar span{gap:4px}.notebook-refined .lc-flat-screen .lc-sidebar span:before{width:8px;height:8px}.notebook-refined .lc-flat-screen .lc-content{padding:18px 13px;gap:15px}.notebook-refined .lc-flat-screen .lc-content h3{font-size:21px}.notebook-refined .lc-flat-screen .lc-message{font-size:11px;padding:9px 11px}.notebook-refined .lc-flat-screen .lc-response p{font-size:11px}.notebook-refined .lc-flat-screen .lc-response span{font-size:10px;line-height:1.6}.notebook-refined .lc-flat-screen .lc-input{font-size:11px;padding:9px 8px;gap:6px;min-height:54px}.notebook-refined .lc-flat-screen .lc-input-plus{font-size:17px}.notebook-refined .lc-flat-screen .lc-model{font-size:9px}.notebook-refined .sandbox-inline-signature{font-size:11px;margin-bottom:18px}.notebook-refined .sd-closing .sandbox-closing-content{padding-top:40px;padding-bottom:45px;gap:27px}}
@media(prefers-reduced-motion:reduce){.notebook-refined .sandbox-wordmark i{animation:none}}

/* Illustrated screen frame and continuous dialogue. */
.notebook-refined .sd-hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px}
.notebook-refined .sd-hero-copy{min-width:0;container-type:inline-size}
.notebook-refined .rh-title{font-size:clamp(42px,19cqw,140px);font-weight:800;color:#102c20}
.notebook-refined .rh-words>span:first-child{font-size:1em;line-height:1;margin-bottom:.04em}
.notebook-refined .lc-flat-screen{position:relative;height:426px;background:#fff;border:1px solid #b4c5bb;border-radius:8px;box-shadow:0 12px 32px #13251e09;overflow:hidden}
.notebook-refined .lc-flat-screen .lc-interface{position:static;inset:auto;width:100%;height:100%;border-radius:0;overflow:hidden;pointer-events:auto}
.notebook-refined .lc-flat-screen .lc-bar{height:28px;padding:0 12px;font-size:9px}
.notebook-refined .lc-flat-screen .lc-app{height:calc(100% - 28px);grid-template-columns:96px minmax(0,1fr)}
.notebook-refined .lc-flat-screen .lc-content{min-height:0;padding:14px 17px 13px;gap:12px}
.notebook-refined .lc-flat-screen .lc-content h3{font-size:22px}
.notebook-refined .lc-flat-screen .lc-input{flex-shrink:0;min-height:46px;font-size:12px;pointer-events:none}
.notebook-refined .lc-flat-screen .lc-sidebar{padding:18px 12px;gap:19px;font-size:10px;background:#f5f6f4}
.notebook-refined .lc-sidebar button{border:0;background:none;color:#737373;text-align:left;padding:0;font-size:10px;line-height:1.4;cursor:pointer}
.notebook-refined .lc-sidebar button[aria-pressed=true]{color:#111;font-weight:600}
.notebook-refined .lc-conversation{flex:1;min-height:0;overflow:hidden;mask-image:linear-gradient(transparent,#000 15%);padding-top:13px;scroll-behavior:auto}
.notebook-refined .lc-chat-turn{display:flex;gap:9px;margin:0 0 9px;align-items:baseline;transition:opacity .3s;animation:lc-chat-appear .3s ease}
.notebook-refined .lc-chat-turn p{font-size:11px;line-height:1.6;color:#363636;margin:0;overflow-wrap:anywhere}
.notebook-refined .lc-chat-role{font-size:9px;color:#777;min-width:18px;flex:none}
.notebook-refined .lc-chat-user p{background:#f0f0ed;padding:7px 10px;border-radius:9px;color:#111}
.notebook-refined .lc-chat-old{opacity:.35}
.notebook-refined .sd-square-art .sandbox-inline-signature{color:#143f2e;display:flex;width:max-content;margin:0 0 28px;font-size:clamp(18px,1.6vw,24px);letter-spacing:.18em;gap:.5em}
@keyframes lc-chat-appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(min-width:761px) and (max-width:1000px){.notebook-refined .sd-hero-grid{gap:32px}.notebook-refined .lc-flat-screen .lc-app{grid-template-columns:66px minmax(0,1fr)}.notebook-refined .lc-flat-screen .lc-content{padding:13px 10px;gap:9px}.notebook-refined .lc-flat-screen .lc-content h3{font-size:18px}.notebook-refined .lc-flat-screen .lc-sidebar{padding:16px 8px}.notebook-refined .lc-flat-screen .lc-input{font-size:10px;gap:5px}.notebook-refined .lc-chat-turn{gap:5px}.notebook-refined .lc-chat-turn p{font-size:10px}.notebook-refined .lc-flat-screen .lc-sidebar b{font-size:10px}}
@media(max-width:760px){.notebook-refined .sd-hero-grid{grid-template-columns:minmax(0,1fr);gap:30px}.notebook-refined .rh-title{font-size:clamp(42px,19cqw,112px)}.notebook-refined .lc-flat-screen{height:426px}.notebook-refined .lc-flat-screen .lc-app{grid-template-columns:62px minmax(0,1fr)}.notebook-refined .lc-flat-screen .lc-content{padding:13px 10px;gap:10px}.notebook-refined .lc-flat-screen .lc-content h3{font-size:18px}.notebook-refined .lc-flat-screen .lc-sidebar{padding:16px 7px;gap:20px}.notebook-refined .lc-flat-screen .lc-sidebar b{font-size:9px}.notebook-refined .lc-sidebar button{font-size:9px}.notebook-refined .lc-chat-turn{gap:5px}.notebook-refined .lc-chat-turn p{font-size:10px}.notebook-refined .lc-chat-role{font-size:8px;min-width:14px}.notebook-refined .lc-flat-screen .lc-input{font-size:10px;gap:5px;min-height:45px;padding:7px}.notebook-refined .lc-flat-screen .lc-send{width:22px;height:22px}.notebook-refined .lc-flat-screen .lc-bar{font-size:8px;padding:0 9px}.notebook-refined .sd-square-art .sandbox-inline-signature{font-size:clamp(18px,4.6vw,23px)}}
@media(prefers-reduced-motion:reduce){.notebook-refined .lc-chat-turn{animation:none;transition:none}}

/* Match the Training CTA treatment using the Sandbox green. */
.sandbox-live.notebook-refined .sd-button{background:#70f5b5;color:#111;border:1px solid #70f5b5;border-radius:6px;transition:background-color .2s,color .2s,border-color .2s}
.sandbox-live.notebook-refined .sd-button:hover,.sandbox-live.notebook-refined .sd-button:focus-visible{background:transparent;color:#70f5b5;border-color:#70f5b5}
.sandbox-live.notebook-refined .sd-hero .sd-button:hover,.sandbox-live.notebook-refined .sd-hero .sd-button:focus-visible{color:#176441;border-color:#176441}