/* The learning space surrounds the simulated shop; the two navigations have separate roles. */
:root{--learning-ink:#203f3b;--learning-muted:#637772;--learning-surface:#f8f7f1;--learning-line:#dde3da;--learning-gold:#94702f;--learning-blue:#355e7a}
.topbar.learning-topbar{height:72px;background:var(--learning-ink);border:0;color:#fff;padding:0 32px;gap:24px}
.learning-brand{color:#fff;flex-shrink:0;gap:11px}
.learning-brand .brand-symbol{background:#ffffff14;color:#e6ead5;border:1px solid #ffffff24;border-radius:12px}
.learning-brand>span:last-child{display:flex;flex-direction:column;align-items:flex-start;gap:3px}
.learning-brand strong{font-size:16px;font-weight:650;letter-spacing:.02em}
.learning-brand small{font-size:10px;letter-spacing:.15em;color:#c4d2c8;font-weight:400}
.learning-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.learning-nav-item,.learning-current{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 13px;border-radius:8px;background:transparent;color:#c8d6cf;font-size:12px;white-space:nowrap}
.learning-nav-item:hover{background:#ffffff10;color:#fff}
.learning-nav-item.is-active,.learning-current{background:#edf3dc;color:var(--learning-ink);font-weight:700}
.learning-nav-item:disabled{opacity:.42;cursor:not-allowed}
.learning-topbar .topbar-right{gap:16px;flex-shrink:0}
.learning-home-link{display:inline-flex;align-items:center;gap:7px;background:none;color:#fff;font-size:12px;padding:7px 0}
.learning-header-note{color:#c4d2c8;font-size:12px}
.learning-topbar .narration-compact{margin:0;background:transparent;border:0;padding:0}
.learning-topbar .voice-toggle{color:#e4eee7}.learning-topbar .narration-compact .voice-toggle{background:#ffffff12;border:1px solid #ffffff25;color:#e4eee7}
.learning-topbar .voice-toggle:hover{color:#fff}
.learning-topbar button:focus-visible{outline:2px solid #f3d486;outline-offset:4px}
.site-shell.site-shell--learning{display:block}
.site-shell--learning .site-page{min-width:0}
.site-shell--learning .graduation{margin-left:auto;margin-right:auto}
body:not(.has-shop-navigation) .learning-record-status{max-width:1232px;margin:20px auto 28px;padding:16px 32px 0}
.learning-home{max-width:1296px;margin:0 auto;padding:48px 40px 22px;color:var(--learning-ink)}
.learning-welcome{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-bottom:30px}
.learning-eyebrow{font-size:11px;color:var(--learning-muted);letter-spacing:.08em;display:block}
.learning-welcome h1{font-family:var(--heading);font-size:42px;line-height:1.45;margin:8px 0 9px;font-weight:650;letter-spacing:-.02em}
.learning-welcome p{font-size:14px;line-height:1.8;color:var(--learning-muted)}
.learning-mascot{display:flex;align-items:center;gap:5px;padding-right:24px}
.learning-mascot .penguin{width:138px;height:138px;flex-shrink:0}
.learning-mascot>span:last-child{font-size:12px;line-height:1.9;color:var(--learning-muted);border-left:1px solid var(--learning-line);padding-left:20px}
.learning-mascot strong{font-weight:550;color:var(--learning-ink)}
.learning-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.learning-mode{--mode-accent:var(--green);position:relative;display:flex;flex-direction:column;align-items:stretch;text-align:left;min-width:0;min-height:310px;border-radius:18px;border:1px solid var(--learning-line);padding:26px 27px 23px;background:#fff;color:var(--learning-ink);box-shadow:0 3px 0 #243d3105;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.learning-mode:hover:not(:disabled){transform:translateY(-3px);border-color:var(--mode-accent);box-shadow:0 9px 24px #243d310d}
.learning-mode:active:not(:disabled){transform:translateY(0)}
.learning-mode:focus-visible{outline:3px solid var(--mode-accent);outline-offset:5px}
.learning-mode--teaching{background:#eaf2df;border-color:#cedbbd;--mode-accent:#35624b}
.learning-mode--explore{background:#edf3f4;border-color:#d2dfe3;--mode-accent:var(--learning-blue)}
.learning-mode--challenge{background:#faf0d9;border-color:#e9dab6;--mode-accent:var(--learning-gold)}
.learning-mode:disabled{opacity:1;cursor:not-allowed;background:#f1f3f0;border-color:#dee3dc;color:#6f7f77;box-shadow:none}
.learning-mode:disabled .learning-mode-icon{color:#829187;background:#e5eae3}
.learning-mode:disabled .learning-mode-title{color:#64746c}
.learning-mode-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:24px}
.learning-mode-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;color:var(--mode-accent);background:#ffffff9c;flex-shrink:0}
.learning-mode-tag{font-size:10px;line-height:1.6;text-align:right;color:var(--learning-muted)}
.learning-mode-title{font-family:var(--heading);font-size:31px;line-height:1.4;font-weight:700;letter-spacing:.015em;color:var(--mode-accent);display:block;margin-bottom:10px}
.learning-mode-description{display:block;font-size:13px;color:var(--learning-muted);line-height:1.9;padding-bottom:26px}
.learning-mode-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto;padding-top:18px;border-top:1px solid #879d822b;color:var(--mode-accent);font-size:14px;font-weight:650}
.learning-mode-bottom small{display:block;font-size:10px;font-weight:400;color:var(--learning-muted);margin-top:6px}
.learning-progress{display:flex;align-items:center;gap:30px;padding:25px 3px;margin-top:25px;border-bottom:1px solid var(--learning-line)}
.learning-progress>div:first-child{flex-shrink:0}
.learning-progress>div>strong{display:block;font-size:22px;font-weight:600;margin-top:7px;line-height:1.3}
.learning-progress strong small{font-size:12px;color:var(--learning-muted);font-weight:400}
.learning-progress ol{list-style:none;display:flex;align-items:center;gap:24px;margin:0;padding:0}
.learning-progress li{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--learning-muted)}
.learning-progress li>span{display:grid;place-items:center;width:24px;height:24px;border:1px solid #d5ddcf;border-radius:50%;font-size:10px;background:#fff}
.learning-progress li.is-complete>span{color:#fff;background:var(--green);border-color:var(--green)}
.learning-progress-actions{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:11px;color:var(--learning-muted)}
.learning-progress-actions .btn{font-size:12px;min-height:38px;white-space:nowrap}
.learning-progress-actions b{color:var(--learning-ink);font-weight:500}
.learning-home-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-top:20px}
.learning-home-voice.intro-actions{margin:0;width:355px;max-width:100%;display:block}
.learning-home-voice .narration-controls{margin:0;width:100%;background:#fffdf8}
.learning-home-note{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;font-size:10px;color:var(--learning-muted)}
.learning-home-note p{flex-basis:100%;text-align:right}
.site-sidebar{background:#f6f7f7;border-right:1px solid #e4e8e5;height:auto;min-height:calc(100vh - 72px);overflow:visible;padding-top:19px}
.shop-context-label{font-size:9px;letter-spacing:.15em;color:#7d8a84;padding:0 13px 13px}
.site-sidebar .global-shop-brand{display:flex;align-items:center;gap:9px;padding:0 11px 18px;border-bottom:1px solid #e0e6e2;margin-bottom:10px;font-size:15px;color:#34453c}
.global-shop-brand>span{display:block;font-weight:650}
.global-shop-brand small{display:block;font-size:9px;color:#829087;margin-top:5px;font-weight:400}
.site-sidebar .global-nav-item{min-height:38px;border-radius:5px}
.site-sidebar .global-nav-item.selected{background:#e6ede8;border-left:3px solid var(--green);border-radius:0 5px 5px 0}
.learning-reference-voice{max-width:390px;margin-bottom:20px}
.learning-reference-voice .narration-controls{margin:0}
.learning-topbar .brand-mascot{overflow:hidden;width:42px;height:42px;background:#ffffff0c;border-color:#ffffff1a}
.brand-mascot .penguin{width:44px;height:44px;display:block}
.course-plaza-link{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:39px;padding:9px 15px;border:1px solid #f1d58d;border-radius:8px;background:#f4dda3;color:#25443c;font-size:12px;font-weight:750;text-decoration:none;white-space:nowrap}
.course-plaza-link:hover{background:#ffeabc;border-color:#ffeabc}
.course-plaza-link:focus-visible{outline:2px solid #fff;outline-offset:4px}
.learning-mode-top{align-items:center;margin-bottom:14px;min-height:106px}
.learning-mode-icon{width:116px;height:116px;border-radius:15px;background:transparent;overflow:hidden}
.learning-mode-art{display:block;width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}
.learning-mode:disabled .learning-mode-icon{background:transparent;filter:grayscale(1);opacity:.72}
.learning-mode{min-height:355px}
.learning-mode-description{padding-bottom:20px}
.site-shell--learning .graduation{width:100%;max-width:1150px;padding:34px 40px 32px}
.graduation-top>.penguin{width:108px;height:108px}
.graduation-top h1{font-size:32px;line-height:1.45}
.graduation-skills{margin:24px 0;gap:18px}
.graduation-skills>article{position:relative;padding:21px 24px 21px 68px;min-height:105px}
.graduation-skill-marker{position:absolute;left:22px;top:27px;width:30px;height:30px;display:grid;place-items:center;background:#edf3df;border-radius:50%;color:#3e7158}
.graduation-skills h2{margin:4px 0 6px}
.graduation .game-entry{width:100%;max-width:none;margin:28px 0 0;padding:22px 25px}
.graduation .game-entry-icon{width:84px;height:84px;background:transparent url('assets/shengyi-challenge.png') center / cover no-repeat;border-radius:12px;mix-blend-mode:multiply}
.graduation .game-entry-icon>svg{display:none}
.graduation .next-advice{grid-template-columns:190px minmax(0,1fr);gap:22px;padding:21px 0 24px}
.graduation .graduation-actions{flex-wrap:wrap}
.graduation .report-results .panel-heading{gap:16px;flex-wrap:wrap}
@media(max-width:1240px){.learning-topbar .topbar-right{gap:10px}.course-plaza-link{padding:9px 11px}.learning-mode-icon{width:102px;height:102px}.learning-mode-top{min-height:102px}.learning-mode{min-height:342px}.site-shell--learning .graduation{padding:28px 30px}.learning-header-note{display:none}}
@media(max-width:1240px){.topbar.learning-topbar{gap:15px}.learning-topbar .topbar-right{gap:12px}.learning-nav-item{padding:10px;font-size:11px}.learning-home{padding:35px 30px 20px}.learning-welcome h1{font-size:36px}.learning-mode{padding:24px 23px 22px;min-height:303px}.learning-mode-title{font-size:29px}.learning-mode-grid{gap:15px}.learning-mode-tag{font-size:9px}.learning-progress{gap:20px}.learning-progress ol{gap:18px}.learning-progress-actions{gap:10px}.learning-progress-actions .text-button{font-size:10px}}
@media(max-width:1050px){.learning-header-note{display:none}.learning-nav-item{gap:5px;padding:10px 8px}.learning-nav-item svg{display:none}.learning-home{padding-left:25px;padding-right:25px}.learning-mode{padding:22px 20px}.learning-mode-tag{max-width:116px}.learning-progress ol{gap:14px}.learning-progress li{font-size:11px}}
@media(prefers-reduced-motion:reduce){.learning-mode{transition:none}.learning-mode:hover:not(:disabled){transform:none}}
@media print{.learning-nav,.learning-home-voice,.learning-home-note button{display:none}.learning-mode{break-inside:avoid;box-shadow:none}.site-shell--learning{display:block}}