:root{--bg:#fff8e7;--card:#fffefa;--ink:#25332b;--muted:#728078;--leaf:#6ba368;--leaf2:#4f8352;--gold:#e3b448;--rose:#e98989;--blue:#7fa6cf;--line:#eadfc8;--shadow:0 10px 30px rgba(80,68,40,.09);font-family:Inter,ui-rounded,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;background:radial-gradient(circle at top right,#fff1c8 0,transparent 28%),linear-gradient(180deg,#fff8e7 0,#f7f3e9 100%);color:var(--ink);min-height:100vh}button,input{font:inherit}button{cursor:pointer}.app{max-width:760px;margin:auto;min-height:100vh;padding:env(safe-area-inset-top) 16px calc(96px + env(safe-area-inset-bottom))}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 4px 10px}.brand{font-weight:950;font-size:22px;letter-spacing:-.5px}.brand span{color:var(--leaf2)}.brand-btn{border:0;background:transparent;color:inherit;padding:0}.top-actions{display:flex;gap:7px;align-items:center}.streak,.level-chip{border-radius:999px;padding:7px 10px;font-weight:900;font-size:12px}.streak{background:#fff2c9;border:1px solid #f0dda0}.level-chip{background:#e8f2e2;border:1px solid #cfe0c8;color:var(--leaf2)}.hero{background:linear-gradient(135deg,#dff0d9,#fff0c9);border:1px solid #d7dfbf;border-radius:30px;padding:23px;box-shadow:var(--shadow);position:relative;overflow:hidden;min-height:190px;display:flex;align-items:center}.hero:before{content:'';position:absolute;width:190px;height:190px;border-radius:50%;background:#ffffff40;right:-45px;top:-80px}.hero-copy{position:relative;z-index:2;width:78%}.mascot{font-size:76px;position:absolute;right:16px;bottom:-7px;filter:drop-shadow(0 6px 6px rgba(0,0,0,.08));animation:bob 3s ease-in-out infinite}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:950;color:var(--leaf2)}h1{margin:5px 0 8px;font-size:31px;line-height:1.08;letter-spacing:-1px}h2,h3{letter-spacing:-.25px}.hero p{margin:0;color:#4d5e52;font-weight:650;line-height:1.45}.level-row{margin-top:16px}.level-row small{font-size:10px;font-weight:800;color:#607065}.progress{height:9px;background:#ffffffa8;border-radius:999px;overflow:hidden;margin-bottom:5px}.progress>i,.mini-progress i,.quiz-progress i,.loadbar i{display:block;height:100%;background:var(--leaf2);border-radius:inherit;transition:width .25s ease}.quick-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:11px 0}.quick-stats>div{background:#ffffff9c;border:1px solid var(--line);border-radius:16px;padding:11px;text-align:center}.quick-stats b{display:block;font-size:17px}.quick-stats span{font-size:10px;color:var(--muted);font-weight:800}.section-title{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:24px 3px 10px}.section-title h2{font-size:18px;margin:0}.section-title small{color:var(--muted);font-size:11px;text-align:right}.feature-stack{display:grid;gap:11px}.quest-card{width:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;background:linear-gradient(135deg,#fff,#fff9e8);border:1px solid var(--line);border-radius:23px;padding:16px;text-align:left;color:inherit;box-shadow:var(--shadow)}.quest-card.daily{background:linear-gradient(135deg,#fff4c6,#e5f1dc);border-color:#e0d7aa}.quest-icon{width:53px;height:53px;border-radius:17px;background:#fff;display:grid;place-items:center;font-size:25px;box-shadow:0 5px 16px rgba(80,68,40,.08)}.quest-card h3{margin:2px 0 3px;font-size:18px}.quest-card p{margin:0;color:#607066;font-size:12px;line-height:1.4}.kicker{font-size:9px;letter-spacing:.1em;font-weight:950;color:#8c702c}.go{font-size:31px;color:#829187}.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mode-card{border:1px solid var(--line);background:var(--card);border-radius:19px;padding:14px;text-align:left;box-shadow:0 6px 19px rgba(80,68,40,.05);color:inherit;min-height:112px;transition:transform .15s ease,border-color .15s ease}.mode-card:active,.card:active,.quest-card:active{transform:scale(.985)}.mode-card>span{font-size:25px;display:block}.mode-card b{display:block;margin-top:8px;font-size:14px}.mode-card small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow);text-align:left;color:inherit}.card.big{grid-column:1/-1}.card .icon{font-size:29px}.card h3{margin:8px 0 4px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:12px;line-height:1.45}.study-preview{display:flex;align-items:center;gap:13px;position:relative}.study-preview .icon{flex:0 0 auto}.study-preview .tag{margin-left:auto}.tag,.source-label{display:inline-block;padding:6px 9px;border-radius:999px;background:#edf4e8;color:var(--leaf2);font-size:9px;font-weight:950;letter-spacing:.08em}.data-note{display:flex;gap:11px;margin-top:14px;background:#f0ede4;border:1px dashed #d6ccb8;border-radius:18px;padding:13px}.data-note>span{font-size:23px}.data-note b{font-size:12px}.data-note p{margin:3px 0 0;color:var(--muted);font-size:10px;line-height:1.45}.bottom{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);height:78px;background:rgba(255,254,250,.94);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom);z-index:20}.navbtn{border:0;background:transparent;color:#65746a;font-size:10px;font-weight:850}.navbtn b{display:block;font-size:21px;margin-bottom:2px}.navbtn.active{color:var(--leaf2)}.panel{padding:10px 2px}.panel>p{color:var(--muted);line-height:1.5}.back{border:0;background:transparent;font-weight:900;color:var(--leaf2);padding:8px 0 12px}.question-card,.story-card,.result-hero{background:var(--card);border:1px solid var(--line);border-radius:27px;padding:21px;box-shadow:var(--shadow)}.question-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;font-weight:850}.quiz-progress{height:6px;border-radius:99px;background:#eee6d6;overflow:hidden;margin-top:11px}.question-card h2{font-size:24px;line-height:1.25;margin:18px 0}.question-card>p{color:var(--muted);line-height:1.5}.choices,.poll-options{display:grid;gap:9px}.choice,.poll{width:100%;border:1px solid #dfd5bf;background:#fff;padding:14px;border-radius:16px;text-align:left;font-weight:750;color:var(--ink);transition:transform .12s ease,border-color .12s ease}.choice{display:flex;align-items:center;gap:10px}.choice>span{display:grid;place-items:center;width:27px;height:27px;flex:0 0 27px;border-radius:9px;background:#f4f0e8;font-size:11px;font-weight:950}.choice:hover,.poll:hover{border-color:var(--leaf)}.choice.correct{background:#e5f4df;border-color:#8cb480}.choice.wrong{background:#fde5e2;border-color:#e69a93}.choice.selected{background:#eef5e9;border-color:#99b78d}.poll.selected{border-color:var(--leaf);background:#edf6e9}.explain{margin-top:15px;border-radius:18px;padding:15px;background:#f3efe4;line-height:1.5}.explain p{margin:7px 0;font-size:13px}.feedback-title{font-weight:950}.ref{display:block;margin-top:8px;font-weight:850;color:var(--leaf2);font-size:12px}.source-label{margin-top:11px}.fine{font-size:10px!important;color:var(--muted)}.primary{border:0;border-radius:16px;background:var(--leaf2);color:white;padding:13px 17px;font-weight:900;box-shadow:0 5px 14px rgba(79,131,82,.2)}.secondary{border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);padding:12px 15px;font-weight:850}.secondary.danger{color:#9b4a48;border-color:#e5bfba}.actions{display:flex;gap:9px;margin-top:15px;flex-wrap:wrap}.actions.centered{justify-content:center}.result-hero{text-align:center;padding-top:28px}.result-medal{font-size:58px;margin-bottom:7px}.result-hero h1{font-size:48px}.result-hero p{color:var(--muted);max-width:500px;margin:0 auto 18px;line-height:1.5}.journey-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:14px 0}.journey-summary>div{background:linear-gradient(135deg,#edf5e9,#fff7da);border:1px solid #dae2ce;border-radius:18px;padding:15px}.journey-summary b{display:block;font-size:23px}.journey-summary span{font-size:10px;color:var(--muted);font-weight:800}.journey{display:grid;gap:9px}.journey-row{width:100%;display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:13px;color:inherit;text-align:left}.journey-row .badge{width:48px;height:48px;flex:0 0 48px;border-radius:16px;display:grid;place-items:center;font-size:23px;background:#edf4e8}.journey-row .grow{flex:1;min-width:0}.journey-row h3{margin:0 0 3px;font-size:14px}.journey-row small{display:block;color:var(--muted);font-size:10px;margin-bottom:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-progress{height:6px;background:#eee6d6;border-radius:99px;overflow:hidden}.pill{font-size:10px;font-weight:950;border-radius:999px;padding:6px 8px;background:#fff1c6;color:#705a1f}.source-box{background:#f2eee2;border:1px solid #dfd5bf;border-radius:18px;padding:14px;font-size:11px;color:#59675e;line-height:1.55;margin-top:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:13px;text-align:center}.stat b{display:block;font-size:21px}.stat small{color:var(--muted);font-size:10px}.achievement-list{display:grid;gap:8px}.achievement{display:flex;gap:11px;align-items:center;padding:11px;background:var(--card);border:1px solid var(--line);border-radius:16px;opacity:.42}.achievement.earned{opacity:1;background:linear-gradient(135deg,#fff,#fff9e4)}.achievement .medal{font-size:27px}.achievement b{font-size:13px}.achievement div div{color:var(--muted);font-size:10px;margin-top:2px}.scenario{background:linear-gradient(135deg,#eef3ff,#fff7dc);border:1px solid #d9dfeb;border-radius:20px;padding:17px;line-height:1.55;font-weight:700;margin:14px 0;font-size:14px}.clues{display:grid;gap:8px;margin:14px 0}.clue{display:flex;gap:10px;align-items:center;background:#f5f0e3;padding:11px;border-radius:14px;font-weight:750;font-size:13px}.clue span{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:white;font-size:10px}.answer-input{width:100%;padding:14px;border:1px solid #dcd1bd;border-radius:15px;background:white;outline:none}.answer-input:focus{border-color:var(--leaf);box-shadow:0 0 0 3px rgba(107,163,104,.12)}.story-card{overflow:hidden}.story-scene{font-size:18px;line-height:1.65;min-height:250px;display:flex;align-items:center;padding:10px 2px}.scene-dots{display:flex;gap:5px;margin-top:10px}.scene-dots i{display:block;width:18px;height:5px;background:#e7dfcf;border-radius:99px}.scene-dots i.on{background:var(--leaf2)}.timeline-list{display:grid;gap:8px}.timeline-item{background:#fff;border:1px solid #dfd5bf;border-radius:14px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px}.timeline-item .move{display:flex;gap:5px}.tiny{border:1px solid var(--line);background:#faf7ef;border-radius:10px;padding:6px 9px}.loader-layer{position:fixed;inset:0;z-index:100;background:rgba(37,51,43,.48);backdrop-filter:blur(8px);display:grid;place-items:center;padding:20px;transition:opacity .18s ease}.loader-layer.hidden{opacity:0;pointer-events:none}.loader-card{width:min(360px,100%);background:#fffdf6;border:1px solid #eadfc8;border-radius:30px;padding:27px;text-align:center;box-shadow:0 25px 70px rgba(30,40,32,.24)}.loader-sheep{font-size:62px;animation:bob 1.15s ease-in-out infinite}.loader-card h2{margin:7px 0;font-size:22px}.loader-card p{color:var(--muted);font-size:12px;min-height:18px}.loader-card small{display:block;color:#908b7f;font-size:9px;margin-top:8px}.loadbar{height:9px;border-radius:99px;background:#eee8da;overflow:hidden;margin-top:14px}.empty{padding:28px 10px;text-align:center;color:var(--muted)}@keyframes bob{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-7px) rotate(1deg)}}@media(min-width:650px){.app{padding-left:22px;padding-right:22px}.mode-grid{grid-template-columns:repeat(3,1fr)}.grid{grid-template-columns:repeat(3,1fr)}.card.big{grid-column:span 3}.hero{padding:28px;min-height:210px}.mascot{font-size:98px}.question-card,.story-card,.result-hero{padding:28px}.story-scene{font-size:20px}.journey-row{padding:15px}}@media(max-width:380px){.app{padding-left:12px;padding-right:12px}.hero{padding:18px;min-height:177px}.hero-copy{width:82%}.mascot{font-size:61px;right:8px}.hero h1{font-size:27px}.mode-card{min-height:105px;padding:12px}.question-card h2{font-size:21px}}