@font-face{font-family:Kota;src:url('../assets/kota-book.woff')}@font-face{font-family:Kota;src:url('../assets/kota-demi.woff');font-weight:700}
:root{--ink:#244333;--muted:#657c6e;--line:#d9e9de;--paper:#f5fbf5;--green:#2f9270;--deep:#27644e;--yellow:#f4c957;--blue:#3b9fc6;--coral:#e87967}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Kota,system-ui,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f9fdf9,#edf8f0)}button,select{font:inherit}button{touch-action:manipulation}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px clamp(18px,3.4vw,54px);background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand-wrap,.header-tools{display:flex;align-items:center;gap:12px}.back-button{text-decoration:none;color:#fff;background:var(--deep);width:46px;height:46px;border-radius:16px;display:grid;place-items:center;font-size:34px}.brand-icon{width:50px;height:50px;border-radius:16px;background:#e4f7e8;display:grid;place-items:center;font-size:29px}.brand h1{font-size:24px;margin:0}.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}.tool-button,.icon-button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:15px;padding:11px 14px;font-weight:700;cursor:pointer}.icon-button{width:44px;padding:11px 0}.teacher{background:#eef9f2}.workspace{width:min(1500px,100%);margin:0 auto;padding:22px clamp(18px,3.5vw,54px) 30px}.mission-card,.activity-panel,.feedback{background:#fff;border:1px solid var(--line);box-shadow:0 12px 32px rgba(45,91,66,.08);border-radius:26px}.mission-card{padding:20px 24px}.mission-top,.panel-intro,.panel-actions{display:flex;align-items:center;justify-content:space-between;gap:20px}.badges{display:flex;gap:8px;flex-wrap:wrap}.badges span,.score{background:#edf8f0;color:#3f6c56;padding:7px 11px;border-radius:999px;font-size:13px;font-weight:700}.score{display:flex;gap:8px;align-items:center;background:#fff5ce;color:#725b0c}.score strong{font-size:20px}.eyebrow{font-weight:700;letter-spacing:.12em;font-size:12px;color:#278360}.mission-card h2{font-size:clamp(24px,2.7vw,37px);margin:5px 0 4px}.mission-card p{font-size:17px;color:var(--muted);margin:0}.mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.mode-tab{border:1px solid var(--line);background:#fff;border-radius:20px;padding:13px;cursor:pointer;color:#365f49;display:grid;grid-template-columns:auto 1fr;column-gap:10px;text-align:left}.mode-tab>span{font-size:30px;grid-row:1/3}.mode-tab b{font-size:17px}.mode-tab small{color:var(--muted)}.mode-tab.active{background:#eaf8ef;border-color:#89c9a6;box-shadow:0 7px 16px rgba(54,134,91,.11)}.activity-panel{padding:22px}.panel-intro h3{font-size:23px;margin:4px 0}.panel-intro p{color:var(--muted);max-width:520px;text-align:right}.creature-bank,.chain-bank{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;background:#f3f9f4;border-radius:20px;padding:16px;margin:16px 0}.creature-card,.chain-card{min-width:125px;border:2px solid #d4e7d9;background:#fff;border-radius:18px;padding:12px 14px;cursor:pointer;display:flex;align-items:center;gap:9px;color:#365c48;font-weight:700;box-shadow:0 5px 12px rgba(37,84,55,.06)}.creature-card span,.chain-card span{font-size:35px}.creature-card.selected,.chain-card.selected{border-color:#52a879;background:#eefaf2;outline:4px solid rgba(82,168,121,.14)}.creature-card.placed,.chain-card.placed{opacity:.4}.habitat-zones{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.habitat-zone{min-height:205px;border:2px dashed #b9d7c4;border-radius:23px;padding:14px;background:#f7fbf5;display:flex;flex-direction:column}.habitat-zone.forest{background:linear-gradient(#e8f6d8,#f9f9e4)}.habitat-zone.rice{background:linear-gradient(#f5f0c5,#e8f5c8)}.habitat-zone.river{background:linear-gradient(#e2f5ff,#edf9f4)}.habitat-zone.sea{background:linear-gradient(#d9f5ff,#e8f5ff)}.habitat-title{display:flex;justify-content:space-between;align-items:center;font-weight:700}.habitat-title span:first-child{font-size:31px}.habitat-title small{color:var(--muted)}.habitat-drop{flex:1;display:flex;flex-wrap:wrap;align-content:flex-start;gap:7px;padding-top:12px}.placed-creature{background:#fff;border:1px solid rgba(72,124,89,.2);border-radius:13px;padding:7px 9px;display:flex;gap:5px;align-items:center;cursor:pointer}.placed-creature span{font-size:23px}.panel-actions{justify-content:flex-end;margin-top:18px}.primary-button,.apply-button{border:0;border-radius:17px;padding:14px 20px;font-weight:700;color:#fff;background:linear-gradient(135deg,#32996f,#28755a);cursor:pointer;box-shadow:0 8px 17px rgba(41,123,88,.18)}.secondary-button{border:1px solid var(--line);background:#fff;border-radius:15px;padding:12px 15px;color:#4e6c59;font-weight:700;cursor:pointer}.chain-slots{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;padding:24px 8px}.chain-slot{width:145px;min-height:132px;border:2px dashed #afd1bb;border-radius:20px;background:#fbfdf9;display:grid;place-items:center;text-align:center;padding:8px;cursor:pointer;position:relative}.chain-slot:not(:last-child):after{content:'→';position:absolute;right:-20px;font-size:25px;color:#7ca08a;z-index:3}.chain-slot .slot-number{position:absolute;left:8px;top:8px;width:25px;height:25px;border-radius:50%;background:#e4f2e7;display:grid;place-items:center;font-weight:700;color:#5f7b68}.chain-slot .slot-icon{font-size:43px}.chain-slot small{color:var(--muted)}.chain-explain{display:flex;align-items:center;gap:12px;background:#fff7d9;border-radius:17px;padding:13px 16px;color:#6a5d2e}.chain-explain>span{font-size:32px}.chain-explain p{margin:0}.change-layout{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr);gap:22px}.scenario-card{background:linear-gradient(145deg,#eff9e8,#f7fbf0);border:1px solid var(--line);border-radius:24px;padding:22px}.scenario-icon{font-size:72px;margin:8px 0}.scenario-card h3{font-size:26px;margin:6px 0}.scenario-card>p{color:var(--muted);font-size:17px;line-height:1.45}.question-box{display:flex;gap:10px;background:#fff;border-radius:16px;padding:13px;margin-top:18px}.question-box span{font-size:27px}.question-box p{margin:0;font-weight:700}.consequence-area{padding:6px}.consequence-choices{display:grid;gap:11px;margin-top:12px}.consequence-choice{border:2px solid #d9e9de;background:#fff;border-radius:19px;padding:15px 17px;text-align:left;cursor:pointer;color:#3d5f4a;display:grid;grid-template-columns:auto 1fr;gap:11px;align-items:center}.consequence-choice .choice-icon{font-size:32px}.consequence-choice b{font-size:17px}.consequence-choice small{display:block;color:var(--muted);margin-top:3px}.consequence-choice.selected{border-color:#58aa7c;background:#eef9f1;outline:4px solid rgba(88,170,124,.12)}.reason-prompt{display:flex;gap:12px;background:#eef8f1;border-radius:18px;padding:15px;margin-top:18px}.reason-prompt>span{font-size:29px}.reason-prompt p{margin:4px 0 0;color:var(--muted)}.feedback{margin-top:18px;padding:15px 18px;display:flex;align-items:center;gap:12px}.feedback span{font-size:25px}.feedback p{margin:0}.feedback.good{background:#f0fbf4;border-color:#9fd3b3}.feedback.bad{background:#fff7f4;border-color:#efb7ae}.hidden{display:none!important}.dialog{border:0;border-radius:28px;padding:0;width:min(650px,calc(100% - 28px));box-shadow:0 28px 80px rgba(30,71,50,.28);color:var(--ink)}.dialog::backdrop{background:rgba(25,55,38,.45);backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 24px 15px;border-bottom:1px solid var(--line)}.dialog-head h2{margin:4px 0}.close-button{border:0;background:#edf5ef;border-radius:50%;width:42px;height:42px;font-size:25px;cursor:pointer}.dialog-body{padding:20px 24px 24px}.setting{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 0;border-bottom:1px solid #edf3ef}.setting span{display:flex;flex-direction:column;gap:3px}.setting small{color:var(--muted)}.setting select{min-width:160px;padding:10px;border:1px solid var(--line);border-radius:12px;background:#fff}.toggle-setting input{width:24px;height:24px}.apply-button{width:100%;margin-top:18px}.success-dialog{text-align:center;padding:28px}.success-icon{font-size:58px}.success-dialog h2{font-size:30px;margin:8px 0}.success-dialog>p{color:var(--muted)}.reflection{text-align:left;display:flex;gap:12px;background:#f1f8f2;border-radius:18px;padding:15px;margin:16px 0}.reflection span{font-size:28px}.reflection p{margin:4px 0 0;color:var(--muted)}footer{text-align:center;padding:8px 20px 25px;color:#718378;margin-top:auto}
@media(max-width:1050px){.habitat-zones{grid-template-columns:repeat(2,1fr)}.change-layout{grid-template-columns:1fr}.panel-intro{align-items:flex-start;flex-direction:column}.panel-intro p{text-align:left}}
@media(max-width:720px){.topbar{align-items:flex-start}.header-tools .tool-button span{display:none}.brand p{display:none}.workspace{padding-left:12px;padding-right:12px}.mission-top{align-items:flex-start;flex-direction:column}.mode-tabs{grid-template-columns:1fr}.habitat-zones{grid-template-columns:1fr}.creature-card,.chain-card{min-width:105px;flex:1}.chain-slots{display:grid;grid-template-columns:repeat(2,1fr)}.chain-slot{width:100%}.chain-slot:after{display:none}.panel-actions{align-items:stretch;flex-direction:column}.primary-button,.secondary-button{width:100%}}