:root{--toss-blue: #3182f6;--toss-dark: #191f28;--toss-bg: #f2f4f6;--toss-card: #ffffff;--toss-gold: #f5a623;--toss-green: #00c471;--toss-red: #f04452;--toss-gray: #8b95a1;--toss-light: #f2f4f6;--toss-border: #e5e8eb;--radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,Pretendard,sans-serif;background:var(--toss-bg);color:var(--toss-dark);min-height:100vh;overflow-x:hidden;-webkit-tap-highlight-color:transparent}.app-screen{padding:16px;max-width:480px;margin:0 auto;min-height:100vh}.title-screen{text-align:center;padding-top:80px}.title-logo{font-size:80px;margin-bottom:8px;animation:bounce 1s infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-12px)}}.title-text{font-size:36px;font-weight:800;color:var(--toss-blue);margin:8px 0}.title-sub{color:var(--toss-gray);font-size:15px;margin-bottom:32px}.difficulty-select{display:flex;gap:8px;justify-content:center;margin-bottom:24px}.btn-diff{padding:10px 20px;border:2px solid var(--toss-border);background:#fff;color:var(--toss-gray);border-radius:24px;font-size:14px;font-weight:600;cursor:pointer}.btn-diff.active{border-color:var(--toss-blue);color:var(--toss-blue);background:#3182f614}.btn-primary{display:block;width:100%;padding:16px;background:var(--toss-blue);color:#fff;border:none;border-radius:var(--radius);font-size:17px;font-weight:700;cursor:pointer;margin:8px 0}.btn-primary:active{transform:scale(.97);opacity:.9}.btn-secondary{display:block;width:100%;padding:14px;background:var(--toss-card);color:var(--toss-dark);border:1px solid var(--toss-border);border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;margin:8px 0}.game-header{display:flex;justify-content:space-between;align-items:center;padding:8px 0;margin-bottom:8px}.turn-badge{background:var(--toss-blue);color:#fff;padding:4px 12px;border-radius:12px;font-size:13px;font-weight:700}.diff-badge{font-size:12px;color:var(--toss-gray);margin-left:8px}.cash-display{font-size:14px;font-weight:700;color:var(--toss-blue)}.total-asset-bar{background:var(--toss-card);border-radius:12px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;border:1px solid var(--toss-border)}.total-val{font-weight:800;font-size:18px;color:var(--toss-blue)}.change-up{color:var(--toss-red);font-size:13px;font-weight:600}.change-down{color:var(--toss-blue);font-size:13px;font-weight:600}.news-card{background:var(--toss-card);border:1px solid rgba(49,130,246,.2);border-radius:var(--radius);padding:20px;margin-bottom:12px;animation:slideIn .4s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.news-tag{font-size:12px;font-weight:700;color:var(--toss-blue);margin-bottom:8px}.news-card p{font-size:15px;line-height:1.5;margin-bottom:8px}.news-effect{font-size:13px;color:var(--toss-gray);margin-bottom:12px}.btn-small{padding:8px 20px;background:var(--toss-blue);color:#fff;border:none;border-radius:8px;font-size:13px;cursor:pointer}.chart-section{background:var(--toss-card);border-radius:var(--radius);padding:12px;margin-bottom:12px;border:1px solid var(--toss-border)}.chart-tabs{display:flex;gap:4px;margin-bottom:8px}.chart-tab{flex:1;padding:6px;background:transparent;border:none;color:var(--toss-gray);font-size:13px;font-weight:600;cursor:pointer;border-radius:8px}.chart-tab.active{background:#3182f614;color:var(--toss-blue)}.portfolio-section{background:var(--toss-card);border-radius:var(--radius);padding:14px;margin-bottom:12px;border:1px solid var(--toss-border)}.portfolio-section h3{font-size:15px;margin-bottom:10px}.portfolio-details{font-size:13px;line-height:1.8}.trade-panel{background:var(--toss-card);border-radius:var(--radius);padding:14px;margin-bottom:12px;border:1px solid var(--toss-border)}.trade-panel h3{font-size:15px;margin-bottom:10px}.trade-item{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0;border-bottom:1px solid var(--toss-light)}.trade-item:last-of-type{border:none}.trade-label{font-size:14px;font-weight:600;min-width:70px}.trade-price{font-size:13px;color:var(--toss-gray);flex:1}.trade-actions{display:flex;gap:4px}.btn-buy,.btn-sell{padding:6px 14px;border:none;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer}.btn-buy{background:#f044521a;color:var(--toss-red)}.btn-sell{background:#3182f61a;color:var(--toss-blue)}.leverage-row{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--toss-gray)}.btn-lev{padding:6px 14px;border:1px solid var(--toss-border);background:#fff;color:var(--toss-gray);border-radius:8px;font-size:12px;cursor:pointer}.btn-lev.active{border-color:var(--toss-blue);color:var(--toss-blue);background:#3182f614}.action-bar{display:flex;gap:8px;margin-bottom:8px}.action-bar .btn-primary{flex:2}.btn-hint{flex:1;padding:14px;background:#f5a62314;color:var(--toss-gold);border:1px solid var(--toss-gold);border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer}.btn-ad-cash{display:block;width:100%;padding:12px;background:#00c47114;border:1px dashed var(--toss-green);color:var(--toss-green);border-radius:12px;font-size:13px;font-weight:600;cursor:pointer;margin-bottom:16px}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:100}.modal-content{background:var(--toss-card);border-radius:20px 20px 0 0;padding:24px;width:100%;max-width:480px;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-content h3{margin-bottom:12px}.modal-content p{color:var(--toss-gray);font-size:14px;margin-bottom:12px}.modal-pct-row{display:flex;gap:8px;margin-bottom:12px}.modal-pct{flex:1;padding:8px;background:var(--toss-light);border:1px solid var(--toss-border);color:var(--toss-dark);border-radius:8px;font-size:13px;cursor:pointer}.modal-slider{width:100%;margin-bottom:8px;accent-color:var(--toss-blue)}.modal-amount{text-align:center;font-size:18px;font-weight:700;color:var(--toss-blue);margin-bottom:16px}.modal-actions{display:flex;gap:8px}.modal-actions .btn-primary,.modal-actions .btn-secondary{flex:1}.result-screen{text-align:center;padding-top:60px}.result-icon{font-size:80px;margin-bottom:16px}.result-sub{color:var(--toss-gray);margin-bottom:24px}.result-stats{background:var(--toss-card);border-radius:var(--radius);padding:20px;margin-bottom:16px;text-align:left;font-size:14px;line-height:2;border:1px solid var(--toss-border)}.result-achievements{margin-bottom:20px}.result-achievements span{display:inline-block;background:var(--toss-light);padding:6px 12px;border-radius:20px;font-size:12px;margin:4px}.ranking-screen h2{text-align:center;margin:24px 0 16px}.ranking-list{margin:16px 0}.rank-item{display:flex;justify-content:space-between;padding:14px 16px;background:var(--toss-card);border-radius:12px;margin-bottom:8px;font-size:14px;border:1px solid var(--toss-border)}.rank-item:first-child{border-color:var(--toss-blue)}.rank-pos{font-weight:700;color:var(--toss-blue);width:30px}.rank-score{font-weight:700}.achievement-toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background:var(--toss-blue);color:#fff;padding:12px 24px;border-radius:24px;font-size:14px;font-weight:700;z-index:200;animation:toastIn .4s ease;white-space:nowrap}@keyframes toastIn{0%{transform:translate(-50%) translateY(-40px);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}@media(max-width:400px){.title-text{font-size:28px}}