/* Scoped Step 1 components; preserve the shared paper/sky shell. */
[data-create-page="1"]{--subject-ink:#275e70;--subject-soft:#edf4f5;--subject-line:#cbdcd9;--subject-glow-rgb:39 94 112}
[data-create-page="1"][data-subject="english"]{--subject-ink:#982f41;--subject-soft:#fcf0ef;--subject-line:#e7caca;--subject-glow-rgb:152 47 65}
[data-create-page="1"][data-subject="speech"]{--subject-ink:#695130;--subject-soft:#f5f1e8;--subject-line:#dfd4bf;--subject-glow-rgb:105 81 48}
[data-create-page="1"][data-subject="biology"]{--subject-ink:#155640;--subject-soft:#eaf3ed;--subject-line:#b9d1c1;--subject-glow-rgb:21 86 64}
.studio-page :is(#new-panel,#task-panel) [data-create-page="1"] .creation-columns{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:center;gap:24px}
.studio-page :is(#new-panel,#task-panel) .subject-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.studio-page :is(#new-panel,#task-panel) .subject-options label{padding:10px 8px;min-height:64px;gap:7px;align-items:center;background:#fffefa;cursor:pointer}
.subject-options label>span{display:flex;flex-direction:column;gap:3px;min-width:0}
.studio-page :is(#new-panel,#task-panel) .subject-options b{font-size:15px;color:#273f43;font-weight:650}.studio-page :is(#new-panel,#task-panel) .subject-options small{font-size:11px;color:#65746f;white-space:nowrap}
.studio-page :is(#new-panel,#task-panel) .subject-options label:has(:checked){border-color:var(--subject-ink);background:var(--subject-soft);box-shadow:inset 0 0 0 1px var(--subject-ink)}
:is(#new-panel,#task-panel) .subject-options input{accent-color:var(--subject-ink);flex-shrink:0}
:is(#new-panel,#task-panel) #subject-description{display:inline;font-size:12px;line-height:1.5}
.subject-match-note{margin:6px 0 0;padding:5px 8px;border-left:3px solid #d49a3a;border-radius:4px;background:#fff8e9;color:#805b32;font-size:10px;line-height:1.45}
#production-options legend{margin-bottom:10px}:is(#new-panel,#task-panel) .service-options{grid-template-columns:1fr 1.15fr;gap:10px}
.studio-page :is(#new-panel,#task-panel) .service-option{position:relative;isolation:isolate;min-height:158px;border-radius:12px;padding:14px 12px}
:is(#new-panel,#task-panel) .service-option>input,:is(#new-panel,#task-panel) .service-option>span:not([aria-hidden]){position:relative;z-index:2}
:is(#new-panel,#task-panel) .service-option:focus-within{outline:2px solid var(--subject-ink);outline-offset:3px}
.studio-page :is(#new-panel,#task-panel) .service-option:not(.premium-option):has(input:checked){border-color:var(--subject-ink);background:var(--subject-soft);box-shadow:inset 0 0 0 1px var(--subject-ink)}
.studio-page :is(#new-panel,#task-panel) .premium-option{border-color:#cda554;background:#fffbef}
.studio-page :is(#new-panel,#task-panel) .premium-option:has(input:checked){border-color:#a87321;background:#fffaeb;box-shadow:inset 0 0 0 1px #a87321}
:is(#new-panel,#task-panel) .service-option small{font-size:12px;line-height:1.6}:is(#new-panel,#task-panel) .service-option strong{font-size:17px}:is(#new-panel,#task-panel) .plan-price{font-size:12px;margin-top:12px}

:is(#subject-showcase,.tw-showcase){min-width:0;gap:10px;border-color:var(--subject-line);padding-left:23px;color:#243d40}
.showcase-title,.showcase-line{display:flex;align-items:center;justify-content:space-between;gap:10px}.showcase-title .eyebrow{color:var(--subject-ink);font-size:12px;letter-spacing:1px}.showcase-subject{font:600 12px/1.5 inherit;color:var(--subject-ink);background:var(--subject-soft);padding:3px 9px;border-radius:5px}
.showcase-line h3{display:flex;align-items:center;gap:8px;font-size:15px;white-space:nowrap}.showcase-number{font:500 13px Georgia,serif;color:var(--subject-ink);opacity:.72}.section-copy{font-size:10px;color:#75827f;white-space:nowrap}
.showcase-output{border-top:1px solid var(--subject-line);padding-top:9px}.source-warning{margin:6px 0 0;font-size:10px;line-height:1.45;color:#7b5f51}
.source-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:7px}.source-count-1{grid-template-columns:1fr}
.source-card,.output-card{appearance:none;border:0;background:none;color:inherit;font:inherit;padding:0;cursor:pointer;text-align:left;min-width:0;overflow:clip}
.source-card{display:grid;grid-template-columns:74px minmax(0,1fr);gap:9px;align-items:center;min-height:61px;padding:5px 7px 5px 5px;border:1px solid #d9e2de;border-radius:9px;background:#fffef9}
.source-copy,.output-copy{display:flex;flex-direction:column;min-width:0}.source-copy strong,.output-copy strong{font-size:12px;line-height:1.35;color:#28434a}.source-copy small,.output-copy small{font-size:9px;line-height:1.45;color:#72817e;margin-top:3px}
.media-thumb{--float-duration:4.5s;--float-delay:0s;--float-distance:3px;--glow-x:50%;--glow-y:50%;--thumb-glow:47 112 143;position:relative;isolation:isolate;display:block;min-width:0;overflow:clip;animation:thumb-float var(--float-duration) ease-in-out var(--float-delay) infinite}
.media-thumb:before{content:"";position:absolute;z-index:2;inset:0;background:radial-gradient(circle at var(--glow-x) var(--glow-y),rgb(var(--thumb-glow)/.26),transparent 58%);opacity:.66;pointer-events:none;animation:thumb-glow calc(var(--float-duration)*1.16) ease-in-out var(--float-delay) infinite}
.source-media{width:74px;aspect-ratio:4/3;border:1px solid #dde3df;border-radius:6px;background:#f4f4ef;box-shadow:0 5px 12px -9px #244b56}
.source-media>img{position:absolute;z-index:1;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;border-radius:5px;background:#fff}
.source-media[data-file-kind="pdf"]>img{filter:saturate(.74) contrast(.97)}
.file-badge,.thumb-open{position:absolute;z-index:4;display:grid;place-items:center;color:#fff;font-weight:800;line-height:1}
.file-badge{left:3px;bottom:3px;min-width:28px;height:17px;padding:0 4px;border-radius:4px;background:#c34545;font-size:8px;letter-spacing:.04em;box-shadow:0 2px 5px #263a4530}.source-media[data-file-kind="ppt"] .file-badge{background:#b85e31}.source-media[data-file-kind="link"] .file-badge{background:#d33d4d}
.thumb-open{right:4px;top:4px;width:18px;height:18px;border-radius:50%;background:#fffffff0;color:var(--subject-ink);font-size:11px;box-shadow:0 1px 5px #203d4930}
.xhs-shot{position:absolute;z-index:1;inset:0;display:flex;flex-direction:column;border-radius:5px;overflow:hidden;background:#fff}.xhs-bar{height:17px;display:flex;align-items:center;justify-content:space-between;padding:0 5px;background:#fff;border-bottom:1px solid #eee;color:#242424;font-size:7px}.xhs-bar i{width:5px;height:5px;border-radius:50%;background:#ff3040}.xhs-content{position:relative;flex:1;padding:6px;background:linear-gradient(135deg,#fff8f3,#f4ede7);color:#3a2c2b}.xhs-content b{display:block;font-size:7px;line-height:1.3;max-width:58px}.xhs-content i{display:block;width:78%;height:3px;margin-top:4px;border-radius:2px;background:#dccbc3}.xhs-content i:nth-of-type(2){width:55%}.xhs-content small{position:absolute;right:4px;bottom:3px;font-size:6px;color:#b33946}

.output-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:7px}.output-count-1{grid-template-columns:1fr}
.output-card{display:flex;flex-direction:column;gap:5px;padding:4px;border:1px solid transparent;border-radius:8px;transition:border-color .18s ease,background-color .18s ease}.output-card.is-single{display:grid;grid-template-columns:minmax(145px,200px) minmax(105px,1fr);align-items:center;gap:12px;padding:5px}
.output-media{width:100%;aspect-ratio:1280/600;border:1px solid var(--subject-line);border-radius:6px;background:var(--subject-soft);box-shadow:0 8px 18px -13px rgb(var(--subject-glow-rgb)/.78)}
.output-media video{position:absolute;z-index:1;inset:0;display:block;width:100%;height:100%;object-fit:cover;border-radius:5px;background:var(--subject-soft);pointer-events:none}
.output-copy{padding:0 2px}.output-copy strong{color:var(--subject-ink)}.output-title{display:flex;align-items:center;gap:6px;min-width:0;white-space:nowrap}
.choice-wave{display:flex;gap:2px;flex:0 0 auto;pointer-events:none}.choice-wave i{font-family:inherit;font-size:7px;line-height:11px;font-weight:700;font-style:normal;width:13px;height:13px;display:grid;place-items:center;border:1px solid #77a5b4;border-radius:2px;background:#ffffffe8;color:#315f6b;opacity:.62;transform:translateY(0)}
.fill-stroke{display:block;flex:0 0 38px;width:38px;height:11px;overflow:visible;pointer-events:none}.fill-stroke path{fill:none;stroke:#bf3833;stroke-width:2.8;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;opacity:.82}
.case-branches{display:flex;gap:2px;flex:0 0 auto;pointer-events:none}.case-branches i{height:3px;width:7px;background:#5c8c7c;border-radius:3px;opacity:.65;transform:translateX(0)}
.source-card:focus-visible,.output-card:focus-visible{outline:2px solid var(--subject-ink);outline-offset:2px}.source-card:focus-visible .media-thumb,.output-card:focus-visible .media-thumb{box-shadow:0 0 0 2px var(--subject-ink),0 10px 23px -12px rgb(var(--subject-glow-rgb)/.85)}

#subject-preparation{padding:20px;border:1px solid var(--subject-line);border-radius:12px;background:var(--subject-soft);color:var(--subject-ink)}#subject-preparation .eyebrow{color:inherit}#subject-preparation h3{font-family:"Songti SC",serif;font-size:23px;margin:10px 0}#subject-preparation p{font-size:13px;line-height:1.8;margin:0}#subject-preparation .prep-topics{margin-top:13px;font-size:12px}
.biology-empty{min-height:210px;border:1px dashed var(--subject-line);border-radius:9px;display:flex;gap:12px;align-items:center;justify-content:center;padding:12px;background:var(--subject-soft);color:var(--subject-ink);font-size:14px}.biology-empty svg{width:60px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:2}.biology-empty small{display:block;font-size:12px;line-height:1.6;margin-top:6px;color:#62786a}
.subject-view-switch{display:none}

/* Adapted mechanics: From Uiverse.io by cssbuttons-io (ripple), Dashrath-Sharma (border glow). MIT notice in public/styles.css. */
.basic-wash{position:absolute;z-index:0;pointer-events:none;width:260px;height:260px;left:50%;top:50%;background:radial-gradient(circle,rgb(var(--subject-glow-rgb)/.52),rgb(var(--subject-glow-rgb)/.18) 44%,transparent 69%);border-radius:50%;opacity:0;transform:translate(-50%,-50%) scale(.45);transition:opacity .2s ease,transform .5s cubic-bezier(.23,1,.32,1)}
.basic-wash-clip{position:absolute;inset:0;border-radius:inherit;overflow:clip;pointer-events:none;z-index:0}
.pro-ring{position:absolute;inset:0;border-radius:14px;padding:3px;pointer-events:none;opacity:0;transition:opacity .2s ease;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;overflow:clip;z-index:1}.pro-ring:before{content:"";position:absolute;inset:-160%;background:conic-gradient(from 20deg,transparent 15%,#f0cd73 22%,#fff5c4 27%,#bf862b 34%,transparent 47%,#ecd490 68%,#fff9d9 75%,transparent 90%);animation:pro-orbit 3.6s linear infinite;animation-play-state:paused}
.pro-flowers{position:absolute;inset:0;width:100%;height:100%;border-radius:inherit;pointer-events:none;z-index:0;opacity:0;transition:opacity .8s ease;clip-path:inset(0 round 12px)}.flowers-active .pro-flowers{opacity:.64;transition-duration:.2s}
@keyframes pro-orbit{to{transform:rotate(360deg)}}
@keyframes thumb-float{0%,100%{transform:translateY(0)}50%{transform:translateY(calc(-1 * var(--float-distance)))}}
@keyframes thumb-glow{0%,100%{opacity:.32}50%{opacity:.78}}
@keyframes choice-pulse{0%,100%{transform:translateY(0);opacity:.65}40%{transform:translateY(-4px);opacity:1}}
@media(hover:hover) and (pointer:fine){
 .service-option:not(.premium-option):hover .basic-wash{opacity:1;transform:translate(-50%,-50%) scale(1)}.premium-option:hover .pro-ring{opacity:1}.studio-page :is(#new-panel,#task-panel) .premium-option:hover{box-shadow:0 0 18px #dfb54b44,inset 0 0 0 1px #c59a3b}.premium-option:hover .pro-ring:before{animation-play-state:running}
 .source-card:hover,.output-card:hover{border-color:var(--subject-line);background:var(--subject-soft)}.source-card:hover .media-thumb,.output-card:hover .media-thumb{box-shadow:0 0 0 2px var(--subject-ink),0 10px 23px -12px rgb(var(--subject-glow-rgb)/.85)}
 .effect-choice:hover .choice-wave i{animation:choice-pulse 1.2s ease-in-out infinite}.effect-choice:hover .choice-wave i:nth-child(2){animation-delay:.1s}.effect-choice:hover .choice-wave i:nth-child(3){animation-delay:.2s}.effect-choice:hover .choice-wave i:nth-child(4){animation-delay:.3s}
 .effect-fill:hover .fill-stroke path{animation:fill-draw 1.35s cubic-bezier(.23,1,.32,1) infinite}.effect-cases:hover .case-branches i{animation:branch-show 1.2s ease-in-out infinite}.effect-cases:hover .case-branches i:nth-child(2){animation-delay:.12s}.effect-cases:hover .case-branches i:nth-child(3){animation-delay:.24s}
}
@keyframes fill-draw{0%,20%{stroke-dashoffset:100;opacity:.25}55%,100%{stroke-dashoffset:0;opacity:1}}
@keyframes branch-show{0%,20%{opacity:.2;transform:translateX(-5px)}55%,100%{opacity:1;transform:translateX(0)}}

@media(max-width:1100px){.studio-page :is(#new-panel,#task-panel) .subject-options{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-page :is(#new-panel,#task-panel) .subject-options label{min-height:48px}.subject-options label>span{flex-direction:row;align-items:center;flex-wrap:wrap}.section-copy{font-size:9px}.source-card{grid-template-columns:62px minmax(0,1fr);gap:7px;padding:4px}.source-media{width:62px}.source-copy small{font-size:8px}.output-card{gap:3px}.output-copy small{font-size:8px}.biology-empty{min-height:185px}}
@media(max-width:900px),(max-height:550px){.subject-view-switch{display:flex;gap:6px;margin-bottom:12px;flex-shrink:0}.subject-view-switch button{flex:1;background:#f3f6f1;border:1px solid #cbd9d1;border-radius:6px;min-height:36px;font-size:13px;color:#526c65}.subject-view-switch [aria-pressed="true"]{background:var(--subject-ink);color:white;border-color:var(--subject-ink)}.studio-page :is(#new-panel,#task-panel) [data-create-page="1"] .creation-columns{display:block}.creation-page[data-subject-view="options"] :is(#subject-showcase,.tw-showcase),.creation-page[data-subject-view="examples"] .subject-controls{display:none}:is(#subject-showcase,.tw-showcase){padding:0;border:0;gap:10px}.studio-page :is(#new-panel,#task-panel) .subject-options label{min-height:48px;padding:9px}.studio-page :is(#new-panel,#task-panel) .service-option{min-height:172px;padding:12px 9px}.studio-page :is(#new-panel,#task-panel) .service-option strong{font-size:16px}:is(#new-panel,#task-panel) .subject-controls{gap:16px}.studio-page :is(#new-panel,#task-panel) .subject-options small{font-size:12px}:is(#new-panel,#task-panel) #subject-description{display:block;font-size:12px;margin:5px 0}.studio-page :is(#new-panel,#task-panel) .service-option small{font-size:12px}#production-options legend .label-note{display:inline!important;font-size:11px}.source-card{grid-template-columns:82px minmax(0,1fr);min-height:72px}.source-media{width:82px}.source-copy strong,.output-copy strong{font-size:13px}.source-copy small,.output-copy small{font-size:10px}.output-card.is-single{grid-template-columns:minmax(180px,260px) minmax(120px,1fr)}.biology-empty{min-height:220px}}
@media(prefers-reduced-motion:reduce){.basic-wash,.pro-flowers,.pro-ring{display:none!important}.media-thumb,.media-thumb:before,.choice-wave i,.fill-stroke path,.case-branches i{animation:none!important}.media-thumb:before{opacity:.28}.source-card:hover .media-thumb,.output-card:hover .media-thumb{transform:none}}
@media(max-height:800px) and (min-width:761px),(min-width:761px) and (max-width:900px){
 :is(#subject-showcase,.tw-showcase){gap:6px;padding-left:18px}.showcase-title{display:none}.source-cards,.output-cards{margin-top:5px;gap:6px}.source-warning{margin-top:4px}.showcase-output{padding-top:6px}
 .studio-page :is(#new-panel,#task-panel) .service-option{min-height:124px;padding:10px}:is(#new-panel,#task-panel) .plan-price{margin-top:9px}.studio-page :is(#new-panel,#task-panel) .subject-options label{min-height:52px;padding:8px}
}
@media(max-height:800px) and (min-width:761px),(min-width:761px) and (max-width:900px){:is(#new-panel,#task-panel) .premium-option .premium-tag{display:inline-block;margin:0 6px 0 0;vertical-align:middle}:is(#new-panel,#task-panel) .premium-option strong{display:inline;vertical-align:middle}:is(#new-panel,#task-panel) .premium-option small{margin-top:7px}:is(#new-panel,#task-panel) #production-options legend{margin-bottom:7px}}
@media(min-width:761px) and (max-width:900px){.studio-page :is(#new-panel,#task-panel) .subject-options{grid-template-columns:repeat(4,minmax(0,1fr))}:is(#new-panel,#task-panel) #subject-description{display:inline;margin:0}.studio-page :is(#new-panel,#task-panel) .service-option{min-height:124px}:is(#new-panel,#task-panel) .premium-option .premium-tag{margin-right:6px;vertical-align:middle}:is(#new-panel,#task-panel) .premium-option strong{display:inline;vertical-align:middle}}
@media(max-width:600px){.source-cards{gap:6px}.source-card{grid-template-columns:70px minmax(0,1fr);padding:4px}.source-media{width:70px}.output-cards{gap:5px}.output-card{padding:3px}.output-copy strong{font-size:11px}.output-copy small{font-size:8px}.output-card.is-single{grid-template-columns:minmax(145px,1.2fr) minmax(100px,.8fr)}.section-copy{white-space:normal;text-align:right}}
@media(max-height:650px) and (min-width:901px){.studio-page :is(#new-panel,#task-panel) [data-create-page="1"] .subject-controls{gap:0}:is(#new-panel,#task-panel) .subject-controls legend,:is(#new-panel,#task-panel) #production-options legend{margin-bottom:4px}.studio-page :is(#new-panel,#task-panel) .subject-options label{padding:5px 8px;min-height:48px}.subject-match-note{margin-top:2px;padding:2px 6px;font-size:10px;line-height:1.2;white-space:nowrap}.studio-page :is(#new-panel,#task-panel) .service-option{min-height:108px}.studio-page :is(#new-panel,#task-panel) .service-option strong{margin-bottom:1px}:is(#new-panel,#task-panel) .service-option small{line-height:1.35}:is(#new-panel,#task-panel) .plan-price{margin-top:3px}:is(#new-panel,#task-panel) .premium-option .premium-tag{margin-bottom:1px}:is(#new-panel,#task-panel) .premium-option small{margin-top:3px}:is(#subject-showcase,.tw-showcase){gap:2px}.showcase-output{padding-top:2px}.source-cards,.output-cards{margin-top:3px}.source-media{width:56px}.source-card{grid-template-columns:56px minmax(0,1fr);min-height:50px}.source-warning{font-size:9px;line-height:1.25;margin-top:2px}.output-copy strong{font-size:11px}.output-copy small{font-size:8px}}