/* Chapter choice, clear labels and a single-use teacher shortcut. */
.chapter-hub{max-width:940px;margin:auto}.chapter-hub-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:#60705e;font-size:.85rem;margin:0 0 20px}.chapter-hub-top strong{color:var(--ink)}
.chapter-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.chapter-card{background:#fffaf0;border:1px solid #ccd5c2;border-radius:20px;padding:23px;display:flex;flex-direction:column;align-items:stretch;min-width:0;scroll-margin-top:12px}.chapter-card.selected{outline:3px solid #e2b34f;outline-offset:3px}.chapter-card-top{display:flex;align-items:center;gap:12px;color:var(--chapter);font-size:.63rem;font-weight:800;letter-spacing:.05em}.chapter-card-top>.icon{margin-left:auto;width:26px;height:26px;flex:none}.chapter-card .chapter-token{width:43px;height:43px;font-size:1.15rem;flex:none}.chapter-card h2{font:600 1.5rem/1.18 Fraunces,Georgia,serif;margin:17px 0 10px}.chapter-card>p{font-size:.9rem;line-height:1.5;flex:1;margin:0 0 20px;color:#5f7060}.chapter-card-progress{display:flex;align-items:center;gap:12px;margin:0 0 16px}.chapter-card-progress progress{width:100%;height:7px;accent-color:var(--chapter)}.chapter-card-progress small{flex:none;color:#627460;font-size:.68rem}.chapter-card>button{min-height:46px;width:100%;font-size:.85rem}.chapter-activities{margin-top:10px}.chapter-activities summary{font-size:.78rem;min-height:44px;display:flex;align-items:center;cursor:pointer;color:#566b59}.chapter-activities summary:after{content:'⌄';margin-left:auto}.chapter-activities[open] summary:after{content:'⌃'}.chapter-activities button{display:flex;align-items:center;gap:9px;border:0;border-top:1px solid #e0e4d4;background:transparent;text-align:left;padding:12px 0;min-height:48px;width:100%;color:var(--ink)}.chapter-activities button>span{width:22px;flex:none;color:var(--chapter)}.chapter-activities button strong{font-size:.8rem;line-height:1.35;flex:1}.chapter-activities button small{font-size:.62rem}.chapter-hub-tools,.path-choice-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.chapter-hub-tools button{min-height:44px;font-size:.8rem}.resume-lesson small{display:block;font-size:.75rem;color:#516452;margin-top:5px}.chapter-nav-button{display:flex!important;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:8px 12px;border:1px solid #cbd5bf;border-radius:11px;background:#fff9e9;color:var(--ink);font-size:.8rem;font-weight:800;flex:none}.chapter-nav-button svg{width:20px;height:20px}.lesson-dots{gap:6px;flex-wrap:wrap}.lesson-dots>button{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid #cbd5bf;border-radius:50%;background:#fffaf0;color:var(--ink);font:800 .82rem Nunito,sans-serif}.lesson-dots>button.done{background:var(--chapter);border-color:var(--chapter);color:#fffaf0}.lesson-dots>button.current{outline:3px solid #deb14e;outline-offset:2px}.lesson-dots>small{flex:none}.teacher-code-form{display:flex;flex-direction:column;gap:12px;margin-top:20px}.teacher-code-form label{font-size:.9rem;font-weight:800}.teacher-code-form input{max-width:100%;width:210px;font:800 2rem Nunito,sans-serif;letter-spacing:.4em;border:2px solid #a8bba2;border-radius:13px;padding:12px 18px;color:var(--ink);background:#fffaf0}.teacher-code-form input[aria-invalid=true]{border-color:#b65538}.teacher-code-form p{margin:0;color:#a0422a;min-height:1.5em}.teacher-code-form button{align-self:flex-start;min-height:48px}.teacher-chapters{display:grid;gap:9px;margin:20px 0}.teacher-chapter{display:grid;grid-template-columns:36px 1fr 20px;gap:4px 10px;align-items:center;text-align:left;padding:14px;border:1px solid #cbd5bf;border-radius:13px;background:#fffaf0;color:var(--ink)}.teacher-chapter>span{grid-row:span 2;width:34px;height:34px;border-radius:50%;background:#e6edd9;display:grid;place-items:center;font-weight:800}.teacher-chapter strong{font-size:.9rem}.teacher-chapter small{grid-column:2;font-size:.73rem;line-height:1.4;color:#60705e}.teacher-chapter>b{grid-column:3;grid-row:1/3}.welcome-chapters{margin-top:10px;width:100%;min-height:44px}.welcome-footer{flex-wrap:wrap;gap:8px}.welcome-footer .source-link{min-height:32px}.welcome-footer .build-label{margin-left:auto}.path-choice-actions button{min-height:44px}.progress-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.progress-status{font-size:.82rem;color:#52654f}.backup-summary{padding:16px;background:#e8eedc;border-radius:14px;margin:16px 0}.backup-file-label{cursor:pointer;display:inline-flex;align-items:center;min-height:46px}.backup-file-label:focus-within{outline:3px solid #43668a;outline-offset:2px}
@media(max-width:700px){.chapter-cards{grid-template-columns:1fr;gap:14px}.chapter-card{padding:18px;border-radius:17px}.chapter-card h2{font-size:1.35rem}.chapter-card>p{font-size:.82rem;margin-bottom:14px}.chapter-card-top{font-size:.58rem}.chapter-hub-top{font-size:.74rem;margin-bottom:15px}.chapter-nav-button{padding:6px 9px;font-size:.72rem;gap:4px}.learn-header .learn-location{display:none}.learn-header #learn-journal{display:flex}.learn-header #learn-path{margin-left:auto}.lesson-dots{gap:5px}.lesson-dots>button{width:40px;min-width:40px;height:44px}.lesson-dots>small{display:none}.welcome-footer{margin-top:12px}.welcome-card{max-height:100%;overflow-y:auto}.teacher-chapter{padding:12px;gap:4px 8px}.teacher-chapter strong{font-size:.8rem}.teacher-chapter small{font-size:.69rem}.teacher-code-form input{font-size:1.5rem;padding:10px 16px}.header-stats #journal-btn{min-width:52px;width:52px}.path-button-label{font-size:.52rem}}
@media(max-width:360px){.learn-header{gap:3px}.chapter-nav-button{padding:5px 6px}.chapter-nav-button svg{width:18px;height:18px}.learn-header .back-button{font-size:.7rem}.game-header .header-stats #journal-btn{min-width:48px;width:48px}.game-header .header-stats{gap:1px}.welcome-card{padding:20px 18px}.lesson-dots>button{width:37px;min-width:37px}}
@media(max-height:540px){.welcome-scrim{overflow-y:auto}.welcome-card{max-height:calc(var(--app-height,100dvh) - 20px)}.welcome-card h2{font-size:2.2rem}.welcome-copy{font-size:.83rem}.welcome-card .character-choice{margin:12px 0}.welcome-card .explorer-label,.welcome-card .pace-note{display:none}.welcome-card .explorer-options{max-height:70px}.welcome-card .explorer-options button{height:66px}.welcome-footer{margin-top:8px}}

.craft-actions #craft-path{width:auto;min-width:68px}.path-content>#path-backup{margin:0 10px 10px 0}button:focus-visible,summary:focus-visible{outline:3px solid #5475a0;outline-offset:3px}

@media(max-height:440px) and (min-width:600px){.welcome-card .welcome-chapters{grid-column:2;grid-row:4;margin:0}.welcome-card .welcome-footer{grid-row:5;gap:12px;flex-wrap:wrap}.welcome-card .welcome-footer .source-link{font-size:.7rem}.welcome-card .welcome-footer .build-label{margin-left:0}}
.chapter-activities .kept-discovery{margin:0 0 8px;padding:0 10px 8px;border-radius:10px;background:#edf0e2}.chapter-activities .kept-discovery p,.chapter-activities .kept-discovery blockquote{font-size:.77rem;line-height:1.5;margin:8px 0}