:root{color-scheme:light;--ink:#18212f;--muted:#667085;--paper:#fffaf0;--panel:#fff;--line:#d8dee9;--green:#2f9e68;--red:#d64545;--blue:#2e6bdc;--yellow:#f2b84b;--teal:#37a7a4;--shadow:0 18px 50px rgba(29,45,68,.14)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:linear-gradient(135deg,rgba(47,158,104,.12),transparent 36%),linear-gradient(315deg,rgba(242,184,75,.22),transparent 34%),#eef5f7;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);grid-gap:24px;gap:24px;min-height:100vh;padding:24px}.game-panel,.mission-panel{background:hsla(0,0%,100%,.9);border:1px solid rgba(216,222,233,.9);box-shadow:var(--shadow)}.mission-panel{padding:18px}.game-panel,.mission-panel{display:flex;flex-direction:column;gap:18px;border-radius:8px}.game-panel{padding:24px}.brand-block,.helper-row,.leaderboard-title,.quest-header,.result-panel{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-block{align-items:flex-start}.mascot{width:74px;height:74px;flex:0 0 auto}.eyebrow{margin:0 0 4px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}h1{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.04}h1,h2{margin-bottom:0}h2{font-size:1.35rem}.player-card{display:grid;grid-gap:8px;gap:8px}.player-card label{color:var(--muted);font-size:.9rem;font-weight:700}input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,107,220,.12)}input{height:44px;padding:0 12px}.story-list{display:grid;grid-gap:10px;gap:10px}.story-card{display:grid;grid-gap:5px;gap:5px;width:100%;min-height:92px;padding:13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-align:left;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.story-card.active,.story-card:hover{border-color:var(--green);box-shadow:0 10px 24px rgba(47,158,104,.13);transform:translateY(-1px)}.story-card span{color:var(--teal);font-size:.78rem;font-weight:800}.story-card strong{font-size:1rem}.story-card small{color:var(--muted)}.leaderboard{display:grid;grid-gap:10px;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}.leaderboard-title{justify-content:flex-start}.leaderboard-title img{width:32px;height:32px}.empty{margin:0;color:var(--muted)}.accordion-group{display:grid;grid-gap:8px;gap:8px}.accordion-item{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.accordion-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8fbfb;border:none;font-weight:800;color:var(--ink);transition:background .2s}.accordion-trigger:hover{background:#f0f4f5}.accordion-trigger span:last-child{font-size:.8rem;transition:transform .2s}.accordion-item.open .accordion-trigger span:last-child{transform:rotate(180deg)}.accordion-content{display:none;padding:10px;gap:8px;background:#fff}.accordion-item.open .accordion-content,.rank-row{display:grid}.rank-row{grid-template-columns:28px 1fr auto;align-items:center;grid-gap:8px;gap:8px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fbfcff;cursor:pointer;transition:all .2s}.rank-row.expanded,.rank-row:hover{border-color:var(--blue);background:#f0f4ff}.rank-row.expanded{border-bottom-left-radius:0;border-bottom-right-radius:0}.rank-detail{padding:12px;border:1px solid var(--blue);border-top:none;border-bottom-left-radius:8px;border-bottom-right-radius:8px;background:#fff;font-size:.85rem;display:grid;grid-gap:6px;gap:6px;margin-top:-1px}.rank-detail div{display:flex;justify-content:space-between}.rank-detail strong{color:var(--blue)}.rank-row b{display:grid;place-items:center;width:24px;height:24px;border-radius:999px;background:var(--yellow)}.hud{display:grid;grid-template-columns:repeat(4,minmax(96px,1fr));grid-gap:10px;gap:10px}.hud div{min-height:74px;padding:13px;border:1px solid var(--line);border-radius:8px;background:#f8fbfb}.hud span{display:block;color:var(--muted);font-size:.8rem;font-weight:700}.hud strong{display:block;margin-top:4px;font-size:1.6rem}.ghost-button,.primary-button{min-height:44px;border-radius:8px;padding:0 16px;border:1px solid transparent;font-weight:800}.primary-button{background:var(--blue);color:#fff}.primary-button:disabled{cursor:default;opacity:.7}.ghost-button{background:#fff;border-color:var(--line);color:var(--blue)}.progress-track{position:relative;overflow:hidden;height:14px;border-radius:999px;background:#dfe8ea}.progress-track span{position:absolute;inset:0 auto 0 0;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--yellow));transition:width .18s ease}.story-text{min-height:210px;padding:20px;border:1px solid #cdd8d9;border-radius:8px;background:var(--paper);font-size:clamp(1.04rem,1.5vw,1.2rem);line-height:1.85}.story-text span{border-radius:4px}.story-text .correct{color:var(--green);background:rgba(47,158,104,.12)}.story-text .wrong{color:#fff;background:var(--red)}.story-text .pending{color:var(--ink)}textarea{min-height:150px;resize:vertical;padding:16px;line-height:1.6}textarea:disabled{background:#f2f4f7;cursor:not-allowed}.helper-row{color:var(--muted);font-weight:700}.result-panel{align-items:center;border:1px solid rgba(47,158,104,.3);border-radius:8px;background:rgba(47,158,104,.1);padding:16px}.result-panel p{margin-bottom:0}.stars{display:block;color:var(--yellow);font-size:1.6rem;line-height:1}.error-text{color:var(--red);font-weight:700}@media (max-width:920px){.app-shell{grid-template-columns:1fr;padding:14px}.hud{grid-template-columns:repeat(2,minmax(120px,1fr))}}@media (max-width:560px){.game-panel,.mission-panel{padding:14px}.brand-block,.helper-row,.quest-header,.result-panel{align-items:stretch;flex-direction:column}.hud{grid-template-columns:1fr 1fr}.hud div{min-height:66px}.hud strong{font-size:1.25rem}}