:root{--ink:#30483e;--muted:#68766b;--paper:#fffdf7;--wood:#e5d6bc;--green:#3a6954}
body{background:#f5f2e9;color:var(--ink)}header{max-width:1120px;margin:auto;background:transparent;border-bottom:1px solid #ddd8cb;padding:16px 20px;gap:12px}button{touch-action:manipulation}button:focus-visible,summary:focus-visible{outline:3px solid #3a6954;outline-offset:4px}.brand{font-weight:850}.grade-chip{background:#e2ebdf;padding:8px 12px;border-radius:100px;font-size:13px;font-weight:800;white-space:nowrap}.header-right{gap:10px}.wrap{max-width:1100px}.shelf-home{padding-top:12px}.shelf-intro{display:flex;justify-content:space-between;align-items:center;padding:10px 14px 20px}.shelf-intro h1{font-size:32px;line-height:1.35;margin:7px 0 10px;letter-spacing:-1px}.shelf-intro h1 br{display:none}.shelf-intro h1 span{color:var(--green)}.shelf-intro p{margin:0;color:var(--muted)}.shelf-intro .eyebrow{font-size:12px;color:#7b6c51}.intro-mascot{display:flex;align-items:center;position:relative;flex-shrink:0}.intro-mascot img{width:90px;height:90px;object-fit:contain}.intro-mascot>span{background:white;padding:9px 13px;border-radius:15px 15px 15px 0;font-size:12px;line-height:1.5;transform:rotate(3deg);box-shadow:0 2px 0 #e1dacb}.shelf-cabinet{padding:20px;background:#e9dfcb;border:1px solid #d8c7a9;border-radius:20px;box-shadow:0 5px 0 #d6c6a7,0 12px 22px #61563b09;background-image:repeating-linear-gradient(0deg,transparent,transparent 32px,#c9b99712 33px,#c9b99712 34px)}.shelf-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.taste-tabs{display:flex;gap:6px;background:#fcfaf5a8;padding:5px;border:1px solid #d6cbb7;border-radius:13px}.taste-tabs button{min-height:42px;border:0;background:transparent;padding:9px 18px;border-radius:9px;font-size:14px;color:#586658;font-weight:750}.taste-tabs button[aria-pressed=true]{background:#355e4a;color:white;box-shadow:0 2px 3px #1b3c2520}.shelf-count{font-size:12px;color:#746a57}.shelf-instruction{font-size:13px;margin:12px 3px 15px;color:#706958}.drawer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.drawer-card{min-width:0;text-align:left;background:var(--paper);border:1px solid #d5c4a7;border-radius:13px;padding:14px 16px 11px;color:var(--ink);box-shadow:0 4px 0 #c7b48f,0 7px 10px #4a3c2310;position:relative;transition:transform .15s,box-shadow .15s;overflow:hidden}.drawer-card:hover{transform:translateY(-3px);box-shadow:0 6px 0 #c7b48f,0 10px 12px #4a3c2312}.drawer-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#76816d;gap:8px}.taste-dot{color:#4e7354;font-weight:800;display:flex;gap:5px;align-items:center}.taste-dot:before{content:'';width:6px;height:6px;border-radius:50%;background:#79a479}.taste-medium .taste-dot{color:#95682a}.taste-medium .taste-dot:before{background:#c99649}.taste-spicy .taste-dot{color:#ad5948}.taste-spicy .taste-dot:before{background:#c97e6e}.drawer-card h3{font-size:18px;letter-spacing:-.5px;line-height:1.4;margin:9px 0 5px}.drawer-card>p{font-size:13px;line-height:1.55;min-height:40px;margin:0;color:#6c7468;word-break:keep-all}.drawer-bottom{margin-top:12px;border-top:1px dashed #e2d8c6;padding-top:10px;display:flex;align-items:center;justify-content:space-between;font-size:11px;font-weight:700;color:#57705c}.drawer-handle{display:block;width:37px;height:8px;border:2px solid #c6b690;border-top:0;border-radius:0 0 10px 10px;box-shadow:0 2px 0 #ece6da}.puzzle-preview{height:66px;position:relative;display:flex;align-items:center;justify-content:flex-start;padding-left:14px;margin-top:8px;background:#e9efe0;border-radius:8px;overflow:hidden}.preview-notice{background:#e4eaf1}.preview-science{background:#e5eddf}.preview-shape{background:#f2e4df}.preview-lunch,.preview-life{background:#f6ecd3}.card-helper{position:absolute!important;right:2px;bottom:-9px;width:74px!important;height:74px!important;object-fit:contain}.mini-cards{display:flex;gap:5px;transform:rotate(-4deg)}.mini-cards i{font-style:normal;background:#fffdf5;border:1px solid #c9c8af;border-radius:6px;width:27px;height:36px;display:grid;place-items:center;font-size:18px;box-shadow:0 2px #c9c8af;color:#637a60}.mini-cards i:nth-child(2){transform:translateY(-4px);background:#edd78f}.mini-fractions{width:98px;height:37px;display:grid;grid-template-columns:repeat(6,1fr);gap:3px;transform:rotate(-3deg)}.mini-fractions i{background:#deb56d;border:1px solid #b18e53;border-radius:3px}.mini-fractions i:nth-child(n+4){background:#fff8e3}.mini-question{font-size:24px;margin-left:8px;color:#9d773f}.mini-page{background:#fffef7;width:68px;height:47px;transform:rotate(-6deg);border:1px solid #c2c9c6;border-radius:5px;padding:9px 10px;position:relative}.mini-page i{display:block;border-bottom:2px solid #c5d0cd;margin-bottom:7px;width:39px}.mini-page span{position:absolute;right:-9px;bottom:-1px;color:#fff;background:#749586;border-radius:50%;width:24px;height:24px;text-align:center}.mini-tag{font-size:10px;background:#e7ca77;color:#716030;padding:5px 7px;border-radius:3px;margin-left:10px;transform:rotate(7deg)}.mini-tiles{width:103px;display:grid;grid-template-columns:repeat(4,1fr);gap:2px;transform:rotate(-3deg)}.mini-tiles i{height:15px;border:1px solid #c7aa8f;border-radius:3px;background:#dbaa84}.mini-tiles .tile-1{background:#adc9b4}.mini-tiles .tile-2{background:#ead499}.mini-tiles .tile-3{background:#fff5e8}.shelf-more{display:flex;justify-content:center;gap:12px;margin-top:24px;align-items:center}.quiet-note{display:flex;justify-content:center;gap:12px;padding:26px 10px 2px;font-size:12px;color:#7b8176}.quiet-note b{color:#526b56}.bottom-note{font-size:11px}.resume-list{margin:0 0 20px}.resume-list h2{font-size:14px;margin:0 0 9px}.resume-bar{border-radius:10px;margin-bottom:6px}.resume-bar small{display:block;margin-top:3px}.start-kicker{color:#648066;font-size:13px}.start-purpose{font-size:18px;line-height:1.65;word-break:keep-all}.start-rules{background:#f3f3e9;border-radius:10px;padding:13px;margin:12px 0}.start-rules summary{cursor:pointer;font-weight:750;min-height:30px}.start-score{margin:12px 0}.activity-layout{align-items:start}.puzzle-panel{overflow:visible}.actionbar{position:sticky;bottom:8px;z-index:3;background:#fffdf8f5;border:1px solid #d5dccf;border-radius:12px;padding:12px;box-shadow:0 3px 12px #35422b12;gap:10px;backdrop-filter:blur(8px)}.actionbar button{min-height:48px}.score-strip{margin:10px 0}.journey{font-size:12px}.step-nav{gap:6px;flex-wrap:wrap}.step-nav button{font-size:12px;padding:9px}.task-title{font-size:25px}.achievement-seal{margin:0 auto 22px;border:3px double #74977a;border-radius:50%;width:102px;height:102px;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#608568;transform:rotate(-9deg);font-size:37px;background:#f4f7ec}.achievement-seal small{font-size:12px;font-weight:800}.done-panel h1{font-size:30px}.done-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:20px}.extension-offer{border:1px dashed #c2b283;border-radius:14px;padding:18px;margin:20px auto;max-width:540px;background:#f8f2de}.extension-offer p{font-size:13px}.teacher-lead{font-size:17px;line-height:1.7}.teacher-note p{margin:5px 0}.audit-list{padding-left:15px;font-size:13px}.audit-list li{margin:12px 0}.audit-list span{display:block;color:#687766}.legacy-list article{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid #e7e1d4}.legacy-list small{display:block;color:#737c6e;line-height:1.5;margin-top:5px}.legacy-list button{flex-shrink:0}.pass-category{color:#748269}.record-summary{grid-template-columns:repeat(3,1fr)}.record-summary span{font-size:12px}
@media(min-width:900px){.shelf-intro{padding-bottom:16px}.shelf-intro h1{font-size:30px}.drawer-card{padding:12px 14px 10px}.puzzle-preview{height:55px}.drawer-card>p{min-height:38px}.wrap.shelf-home{padding-bottom:0}.shelf-cabinet{padding:16px 20px}.drawer-grid{gap:16px}.shelf-more{margin-top:19px}}
@media(max-width:700px){header{padding:12px;align-items:center;flex-wrap:wrap}.brand{font-size:16px}.header-right{gap:7px;margin-left:auto}.header-right .text-button{font-size:11px;padding:7px}.record-button{font-size:12px;padding:8px}.grade-chip{padding:6px 9px;font-size:11px}.wrap{padding:14px 12px}.shelf-intro{padding:8px 0 16px;gap:5px}.shelf-intro h1{font-size:22px;letter-spacing:-.8px}.shelf-intro h1 br{display:block}.shelf-intro>div>p:not(.eyebrow){font-size:12px}.intro-mascot img{width:67px;height:67px}.intro-mascot>span{display:none}.shelf-intro .eyebrow{font-size:10px}.shelf-cabinet{padding:12px;border-radius:16px}.taste-tabs{gap:1px;padding:3px}.taste-tabs button{padding:7px 12px;font-size:12px;min-height:40px}.shelf-count{display:none}.shelf-instruction{font-size:11px;margin:10px 0 12px}.drawer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 10px}.drawer-card{padding:10px 10px 9px;border-radius:10px}.drawer-label{font-size:10px;gap:2px}.puzzle-preview{height:55px;padding-left:7px;margin-top:7px}.card-helper{width:48px!important;height:48px!important;right:-5px;bottom:-3px}.mini-cards{gap:3px}.mini-cards i{width:20px;height:28px;font-size:14px}.mini-fractions{width:63px;height:27px;gap:2px}.mini-question{font-size:16px;margin-left:3px}.mini-tiles{width:64px;gap:1px}.mini-tiles i{height:12px}.mini-page{width:45px;height:38px;padding:7px}.mini-page i{width:29px;margin-bottom:5px}.mini-tag{font-size:9px;margin-left:7px}.drawer-card h3{font-size:15px;line-height:1.4;margin:8px 0 5px}.drawer-card>p{font-size:11px;line-height:1.6;min-height:51px}.drawer-bottom{font-size:10px;margin-top:8px;padding-top:8px;gap:3px}.drawer-handle{width:23px;height:7px;flex-shrink:0}.shelf-more{margin-top:20px;gap:5px;flex-wrap:wrap}.shelf-more button{font-size:12px;min-height:42px}.quiet-note{flex-direction:column;text-align:center;gap:5px;padding:24px 5px 8px;font-size:11px}.bottom-note{padding:18px 0;display:block;text-align:center}.bottom-note>span:last-child{display:block;margin-top:10px}.resume-list h2{font-size:13px}.resume-bar{padding:10px;gap:9px}.resume-bar b{font-size:13px}.resume-bar small{font-size:11px}.resume-bar button{font-size:12px;min-width:80px}.side{display:none}.activity-layout{display:block}.puzzle-panel{padding:16px 12px}.activity-head h1{font-size:20px}.task-title{font-size:21px}.actionbar{bottom:max(8px,env(safe-area-inset-bottom));padding:8px;gap:5px}.actionbar button{font-size:13px;min-height:46px}.action-progress{display:none}.actionbar>.primary{flex:1}.score-strip{font-size:13px}.done-panel{padding:25px 14px}.done-panel h1{font-size:24px}.done-score>b{font-size:50px}.modal{padding:20px 16px}.legacy-list b{font-size:13px}.legacy-list small{font-size:11px}.record-summary{gap:6px}.record-summary span{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.achievement-seal,.shelf-cabinet{box-shadow:none}.actionbar{display:none}}
/* Claude design review: readable cards, reliable controls, calm completion. */
.record-button{min-height:44px;padding:8px 14px;border:1px solid #b9cbb9;border-radius:99px;background:#edf3e7;font-weight:750}
.record-button b{background:#3a6954;color:#fff;border-radius:99px;padding:1px 8px;margin-left:4px}
.taste-tabs button{min-height:44px}.drawer-card:active{transform:translateY(2px);box-shadow:0 2px 0 #c7b48f}
.record-summary{display:grid}.record-summary span,.record-scores small{font-size:12px}
.attempt-details summary{font-size:14px;min-height:44px;display:flex;align-items:center}.pass-item .text-button{min-height:44px}
.done-panel{display:flex;flex-direction:column;align-items:center}.done-panel>.reflection{width:100%}.done-score{width:100%}.done-actions{order:1}.extension-offer{order:2;width:100%}.done-panel>.small{order:3}
.snack-tray{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;max-width:340px;padding:9px;border:2px solid #d2bc98;border-radius:12px;background:#eee4ce;margin:14px auto}
.snack-tray span{aspect-ratio:1.5;border-radius:5px;background:#fffdf5;border:1px dashed #c8b997}.snack-tray .filled{background:#e4b96c;border:1px solid #bc873b}.snack-tray .part-1{background:#b2cfac}.snack-tray .part-2{background:#ecc2af}.snack-tray .part-3{background:#bdd6df}
@media(hover:none){.drawer-card:hover{transform:none;box-shadow:0 4px 0 #c7b48f,0 7px 10px #4a3c2310}}
@media(max-width:1100px){.actionbar{position:sticky;left:auto;right:auto;transform:none;width:auto;max-width:none}.activity-layout{padding-bottom:24px}}
@media(max-width:700px){
 .drawer-card>p{font-size:12px;min-height:38px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .drawer-label,.drawer-bottom{font-size:12px}.taste-tabs{width:100%}.taste-tabs button{flex:1;padding:7px 4px}
 .header-right .text-button{min-height:44px;padding:8px}.actionbar .secondary{font-size:14px;min-width:118px;padding:10px 8px}.actionbar .primary{font-size:15px}
 .journey{font-size:13px;padding-bottom:10px}.journey>span:last-child{display:none}.score-strip{margin-top:0}
 .score-strip .text-button,.step-nav .text-button{min-height:44px}.record-summary span{font-size:12px}
}

.mini-train{display:flex;gap:3px;align-items:center}.mini-train i{font-style:normal;background:#faf8eb;border:1px solid #94ad99;border-radius:6px;width:30px;height:30px;display:grid;place-items:center;box-shadow:0 4px 0 #799382;color:#476551}.mini-train b{color:#6c8770}
.mini-grid{display:grid;grid-template-columns:repeat(5,15px);gap:2px;transform:rotate(-4deg)}.mini-grid i{height:10px;border:1px solid #98b7a1;background:#fffdf4}.mini-grid .painted{background:#80ae91}
.mini-balance{display:grid;grid-template-columns:repeat(3,25px);gap:3px}.mini-balance i{font-style:normal;background:#fffdf3;border-radius:4px;text-align:center;font-size:12px}.mini-balance i:first-child{grid-column:2}.mini-balance i:nth-child(2){grid-column:1}.mini-balance i:nth-child(3){grid-column:3}
.mini-garden{display:grid;grid-template-columns:repeat(2,26px);gap:4px;border:4px double #b58d61;padding:4px;transform:rotate(-6deg);background:#d5dfb6}.mini-garden i{height:10px;background:#80a17a;border-radius:50%}
.mini-truth{display:grid;grid-template-columns:repeat(3,24px);gap:3px}.mini-truth i{font-style:normal;background:#fffdf6;border-radius:4px;color:#637e72;text-align:center}.mini-pots{display:flex;gap:10px}.mini-pots i{font-style:normal;font-size:35px;line-height:1;color:#668d59;border-bottom:10px solid #c69671;border-radius:0 0 5px 5px}.mini-pots i:last-child{font-size:26px;align-self:end}
@media(max-width:700px){.mini-train{gap:1px}.mini-train i{width:21px;height:25px;font-size:13px}.mini-grid{grid-template-columns:repeat(5,10px)}.mini-balance{grid-template-columns:repeat(3,19px);gap:1px}.mini-garden{grid-template-columns:repeat(2,17px)}.mini-truth{grid-template-columns:repeat(3,18px)}}

.bottom-note{font-size:12px}@media(max-width:700px){.header-right .text-button,.grade-chip,.shelf-intro .eyebrow,.shelf-instruction,.quiet-note,.resume-bar small,.legacy-list small{font-size:12px}}