/* Shared layout for the package editor and learning screens. */
:root{--edu-green:#245e4b;--edu-ink:#182c2b;--edu-muted:#64766c;--edu-line:#dce6df;--edu-surface:#fff;--edu-soft:#edf3ef}
body{font-family:Segoe UI,Arial,sans-serif;line-height:1.5;overflow-wrap:break-word}
header{max-width:1280px;padding:24px;gap:16px;min-width:0}
header .brand{font-size:24px}header .badge{white-space:normal;text-align:center}
.education-nav{position:static;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;max-width:1232px;margin:0 auto 18px;padding:0;background:transparent}
.education-nav button{display:flex;align-items:center;justify-content:center;min-width:0;min-height:52px;padding:12px 10px;margin:0;border:1px solid var(--edu-line);border-radius:12px;background:var(--edu-surface);color:var(--edu-green);font:600 14px/1.35 Segoe UI,Arial,sans-serif;text-align:center;text-decoration:none;box-shadow:0 2px 5px #183c3005;cursor:pointer}
.education-nav button:hover{background:#e1ece5;border-color:#9cb8a8}.education-nav button[aria-pressed=true]{background:var(--edu-green);border-color:var(--edu-green);color:#fff;box-shadow:0 4px 12px #245e4b20}
button:focus-visible{outline:3px solid #75a88a;outline-offset:3px}
#status{display:block;width:calc(100% - 48px);max-width:1232px;margin:0 auto 16px;padding:10px 14px;border-radius:10px;font-size:12px;line-height:1.5;white-space:normal}
#app-update{display:block;max-width:calc(100% - 48px);margin:0 auto 16px;padding:12px 20px;background:var(--edu-green);color:#fff}
.install-panel{width:calc(100% - 48px);max-width:1232px;margin:0 auto 24px;padding:20px 24px;border:1px solid var(--edu-line);border-radius:16px;background:var(--edu-surface)}
.install-panel h2{font-size:20px;margin:0 0 6px;letter-spacing:-.4px}.install-panel p{font-size:13px;color:var(--edu-muted);margin:6px 0 12px}.install-panel p:empty{display:none}.install-panel button{display:inline-flex;justify-content:center;margin:0;min-height:44px}
main{width:100%;max-width:1280px;margin:24px auto 48px;padding:0 24px;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}
main>*{min-width:0;width:100%}aside.workspace{position:static;min-width:0}.workspace{padding:26px;border-radius:18px;box-shadow:0 8px 30px #193e3108;overflow-wrap:break-word}
aside.workspace h2{font-size:23px;line-height:1.3;letter-spacing:-.6px;margin:0 0 14px;max-width:100%;text-align:left;word-break:normal;overflow-wrap:normal}
.workspace .eyebrow{margin:0 0 16px;font-size:10px;letter-spacing:1.5px;font-weight:700;color:var(--edu-muted)}h1{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-1px;margin:0 0 22px}h2{line-height:1.3}h3{font-size:17px;line-height:1.4}
#packages{min-width:0}#packages button{max-width:100%;white-space:normal;overflow-wrap:anywhere;line-height:1.5;padding:13px 14px;border-radius:10px}
label{font-size:13px;line-height:1.5}input,select,textarea{min-width:0;max-width:100%;font-size:15px}input[type=checkbox]{min-height:18px}input[type=file]{padding:10px;font-size:12px}input[type=file]::file-selector-button{border:0;border-radius:6px;padding:8px 10px;margin-right:8px;background:#e4ede7;color:var(--edu-green);font-weight:600;cursor:pointer}
button{line-height:1.4}form .primary{justify-content:center}.toolbar{gap:10px}.toolbar>label{min-width:0}#notice:empty{display:none}footer{max-width:1232px;margin:auto;padding:20px 0}
@media(max-width:1280px){.education-nav{margin-left:24px;margin-right:24px}}
@media(max-width:850px){header{padding:20px 18px}.education-nav{grid-template-columns:repeat(3,minmax(0,1fr));margin:0 18px 16px;gap:8px}.education-nav button{font-size:13px;min-height:50px;padding:10px 8px}main{display:grid!important;grid-template-columns:minmax(0,1fr);max-width:680px;padding:0 18px;gap:18px;margin-top:20px}.workspace{padding:24px}#status,.install-panel{width:calc(100% - 36px)}.install-panel{padding:18px}aside.workspace h2{font-size:23px}footer{margin:0 18px;padding:18px 0}}
@media(max-width:420px){header{padding:18px 14px;align-items:center}.brand{font-size:22px!important}header .badge{font-size:8px;letter-spacing:.6px;max-width:138px}.education-nav{grid-template-columns:repeat(2,minmax(0,1fr));margin-left:14px;margin-right:14px}main{padding:0 14px}.workspace{padding:20px}aside.workspace h2{font-size:22px}h1{font-size:28px}#status,.install-panel{width:calc(100% - 28px)}.install-panel{padding:16px}}
html[data-theme=dark]{--edu-surface:#1d2c24;--edu-line:#405649;--edu-muted:#b6c6bb;--edu-soft:#293d30}html[data-theme=dark] .education-nav button{color:#d5e9dc}html[data-theme=dark] .education-nav button[aria-pressed=true]{background:#3d775b}html[data-theme=dark] #status{background:#293d30;color:#d5e9dc}html[data-theme=dark] .workspace p{color:#b6c6bb}
.education-package-card{padding:14px;margin:14px 0;border:1px solid var(--edu-line);border-radius:12px}.education-package-card[data-selected=true]{border:2px solid var(--edu-green);background:var(--edu-soft)}.education-package-card h3{margin:0;overflow-wrap:anywhere}.education-package-card>div{display:flex;flex-wrap:wrap;gap:6px}#packages .education-package-card button{width:auto;margin:0;padding:9px 10px;font-size:12px}dialog{width:min(540px,calc(100% - 28px));border:1px solid #b8cebe;border-radius:18px;padding:24px;color:var(--edu-ink)}dialog::backdrop{background:#132c2390}dialog form{margin:0}#question-transfer{padding:16px;border:1px solid var(--edu-line);border-radius:12px;margin-bottom:24px}details{margin:20px 0}summary{cursor:pointer;font-weight:600}