*{box-sizing:border-box} :root{--ink:#172033;--muted:#6c7890;--bg:#f5f7fb;--card:#fff;--primary:#5965f3;--purple:#8b5cf6;--green:#20b486;--orange:#ff9f43;--red:#ef5b5b;--shadow:0 14px 35px rgba(32,49,88,.10)}
body{margin:0;font-family:Inter,ui-rounded,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:245px 1fr}
.sidebar{background:#12182a;color:#fff;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:4px 8px 26px}.brand-icon{font-size:34px}.brand strong{font-size:17px;display:block}.brand small{color:#9ea7ba}
nav{display:grid;gap:7px}.nav{border:0;background:transparent;color:#aeb7cb;text-align:left;padding:12px 14px;border-radius:13px;cursor:pointer;font-weight:700}.nav:hover,.nav.active{background:#222b46;color:#fff}.nav span{margin-left:8px}.sidebar-foot{margin-top:auto;display:grid;gap:8px}.tiny-btn{border:1px solid #39425d;background:#1c243b;color:#d8deea;padding:9px;border-radius:10px;cursor:pointer}.tiny-btn.danger{color:#ffb0b0}
.main{padding:24px 30px 45px;max-width:1500px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.topbar h1{font-size:25px;margin:0 0 4px}.topbar p{margin:0;color:var(--muted)}.player-card{background:#fff;border-radius:18px;padding:10px 14px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px}.avatar{font-size:28px}.player-card small{display:block;color:var(--muted);font-size:10px}.player-card input{border:0;font-weight:800;width:120px;outline:0}.xp{border-left:1px solid #e8eaf0;padding-left:12px;text-align:center}.xp b{display:block;color:var(--primary)}
.view{display:none}.view.active{display:block}.hero{min-height:330px;border-radius:28px;padding:42px;background:linear-gradient(135deg,#eaf0ff,#f1eaff);display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;position:relative}.hero h2{font-size:42px;line-height:1.08;margin:16px 0}.hero h2 em{font-style:normal;color:var(--primary)}.hero p{font-size:17px;color:#53607a;max-width:640px}.pill{display:inline-flex;background:#e6e9ff;color:#4653db;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:800}.greenpill{background:#ddf8ef;color:#148d68}.orangepill{background:#fff0dc;color:#d97811}.purplepill{background:#eee5ff;color:#7546d7}.hero-actions{display:flex;gap:10px;margin-top:25px}.primary,.secondary{border:0;padding:12px 18px;border-radius:13px;font-weight:800;cursor:pointer}.primary{background:var(--primary);color:#fff}.secondary{background:#fff;color:#2d3953;border:1px solid #dbe0ea}.small{padding:9px 13px}
.hero-visual{position:relative;min-height:250px}.monster{font-size:116px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);filter:drop-shadow(0 16px 18px rgba(43,49,80,.16))}.floating-card{position:absolute;background:#fff;padding:12px 15px;border-radius:14px;box-shadow:var(--shadow);font-size:17px}.fc1{top:15px;left:8%}.fc2{right:0;top:80px}.fc3{left:0;bottom:10px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.stat{background:#fff;border-radius:17px;padding:17px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow)}.stat>span{font-size:29px}.stat b{display:block;font-size:20px}.stat small{color:var(--muted)}.section-title{margin:26px 0 12px}.mission-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mission{border:0;border-radius:20px;padding:22px;text-align:left;cursor:pointer;min-height:145px;box-shadow:var(--shadow);transition:.2s}.mission:hover{transform:translateY(-4px)}.mission span{font-size:32px;display:block;margin-bottom:14px}.mission b{font-size:17px;display:block}.mission small{display:block;margin-top:5px;color:#66728a}.mission.blue{background:#edf2ff}.mission.green{background:#e8fbf4}.mission.orange{background:#fff4e6}.mission.purple{background:#f2ecff}
.panel,.game-card,.coach-card,.boss-wrap{background:#fff;border-radius:24px;padding:26px;box-shadow:var(--shadow)}.panel-head{display:flex;align-items:center;justify-content:space-between}.panel h2,.panel-head h2{margin:3px 0}.panel p{color:var(--muted)}.progress-ring{width:80px;height:80px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--primary) 0%,#e9edf5 0)}.progress-ring:before{content:"";position:absolute;width:60px;height:60px;border-radius:50%;background:#fff}.progress-ring span{z-index:2;font-weight:900}.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:20px}.day-card{border:1px solid #e6e9f0;background:#fff;border-radius:15px;padding:12px;display:flex;align-items:center;gap:11px;text-align:left;cursor:pointer}.day-card.done{background:#eafaf4;border-color:#b9ead7}.day-num{width:32px;height:32px;border-radius:10px;background:#edf0f8;display:grid;place-items:center;font-weight:900}.day-main{flex:1}.day-main b{display:block;font-size:13px}.day-main small{color:var(--muted)}.day-check{font-size:21px}.day-card.done .day-check{color:var(--green)}.day-card.done .day-check:before{content:"✓";font-weight:900}.day-card.done .day-check{font-size:0}.day-card.done .day-check:before{font-size:20px}
.game-layout{display:grid;grid-template-columns:1fr 300px;gap:18px}.game-card{min-height:500px}.game-top{display:flex;justify-content:space-between;align-items:center}.strategy-box{margin:25px auto 12px;background:#f5f7fd;padding:12px 15px;border-radius:14px;color:#5f6b83;max-width:620px}.big-question{text-align:center;font-size:64px;font-weight:900;margin:50px 0 25px}.choices{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;max-width:700px;margin:auto}.choice{border:2px solid #e4e8f1;background:#fff;padding:17px;border-radius:15px;font-size:23px;font-weight:900;cursor:pointer}.choice:hover{border-color:var(--primary);background:#f4f5ff}.choice.correct{background:#dcf8ed;border-color:#36bc8b}.choice.wrong{background:#ffe5e5;border-color:#ef7676}.feedback{text-align:center;margin:18px 0;color:#647089;min-height:24px;font-weight:700}.coach-card{text-align:center}.coach-face{font-size:70px}.mini-rule{background:#f7f2ff;border-radius:14px;padding:14px;margin-top:18px;color:#6549a5}
.people{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:28px 0}.person{width:120px;min-height:110px;background:#eef4ff;border-radius:16px;text-align:center;padding:10px}.person .face{font-size:30px}.person .candies{font-size:17px;min-height:30px;word-break:break-all}.candy-bank{min-height:70px;background:#fff8ea;border:2px dashed #f1c56c;border-radius:16px;padding:13px;text-align:center;font-size:22px;letter-spacing:3px}.division-controls{text-align:center;margin-top:15px}.equation-strip{text-align:center;font-size:36px;font-weight:900;margin-top:25px}
.story-board{display:flex;gap:20px;align-items:center;background:linear-gradient(120deg,#fff2dd,#fff);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.detective{font-size:70px}.three-questions{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}.q-card{background:#fff;border-radius:18px;padding:18px;box-shadow:var(--shadow)}.q-card span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#ffe6bd;color:#b96900;font-weight:900}.q-card b{display:block;margin:13px 0 5px}.q-card p{color:var(--muted)}.operation-picker{background:#fff;border-radius:20px;padding:22px;text-align:center;box-shadow:var(--shadow)}.op-buttons{display:flex;gap:12px;justify-content:center}.op-buttons button{width:68px;height:68px;border:2px solid #e7eaf1;background:#fff;border-radius:18px;font-size:34px;font-weight:900;cursor:pointer}.op-buttons button:hover{border-color:var(--orange);background:#fff7eb}
.boss-head{display:flex;align-items:center;gap:20px}.boss{font-size:85px}.steps{display:grid;grid-template-columns:1fr 50px 1fr;align-items:center;gap:12px;margin-top:25px}.step-card{background:#f7f8fc;border:1px solid #e5e8ef;border-radius:18px;padding:20px}.step-card.locked{opacity:.45}.arrow{text-align:center;font-size:30px}.calc-input{display:flex;gap:8px}.calc-input input{width:100%;padding:12px;border:1px solid #dce1eb;border-radius:12px;font-size:24px;font-weight:900}.calc-input button{border:0;background:#1f2b45;color:white;border-radius:12px;padding:0 16px;font-weight:800}.parent-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.parent-tip{padding:14px 0;border-bottom:1px solid #edf0f5}.parent-tip p{margin:5px 0 0}.parent-metric{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid #edf0f5}.speech{margin:10px 0;background:#f3f5fb;border-radius:13px;padding:13px;font-style:italic;color:#53607a}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.sidebar nav{grid-template-columns:repeat(3,1fr)}.nav{text-align:center}.nav span{display:none}.sidebar-foot{display:none}.main{padding:16px}.topbar{align-items:flex-start}.topbar p{display:none}.hero{grid-template-columns:1fr;padding:25px}.hero h2{font-size:31px}.hero-visual{display:none}.stats-grid,.mission-grid{grid-template-columns:repeat(2,1fr)}.journey-grid{grid-template-columns:1fr}.game-layout,.parent-grid{grid-template-columns:1fr}.coach-card{display:none}.three-questions{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.arrow{transform:rotate(90deg)}.choices{grid-template-columns:repeat(2,1fr)}}