body{text-align:center;color:#f0f8ff;background:#1b1523;margin:0;font-family:Arial,Helvetica,sans-serif;font-size:1.5em}.app-layout{background:radial-gradient(circle at 50% 0,#c2386624,#0000 45%),#17131c;min-height:100vh;display:flex}.sidebar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;background:#231d2aeb;border:1px solid #ffffff14;border-radius:22px;flex-direction:column;width:240px;padding:18px 12px;transition:width .3s,box-shadow .3s;display:flex;position:fixed;top:18px;bottom:18px;left:18px}.brand{align-items:center;gap:10px;display:flex;overflow:hidden}.brand-icon{color:#fff;background:#c23866;border-radius:12px;justify-content:center;align-items:center;min-width:38px;height:38px;display:flex;box-shadow:0 0 20px #c2386659}.brand-name{white-space:nowrap;color:#fff;font-size:14px;font-weight:700}.collapse-btn{color:#aaa;cursor:pointer;background:#ffffff0f;border:none;border-radius:9px;justify-content:center;align-items:center;width:32px;height:32px;margin:0;padding:0;transition:all .2s;display:flex}.collapse-btn:hover{color:#fff;box-shadow:none;background:#ffffff1f;transform:none}.section-title{letter-spacing:1.5px;color:#777;margin-bottom:5px;padding:0 12px;font-size:10px;font-weight:700}.nav-item{color:#aaa;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:13px;width:100%;margin:0;padding:11px 12px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.nav-item svg{min-width:18px}.nav-item:hover{color:#fff;box-shadow:none;background:#ffffff12;transform:none}.nav-item.active{color:#fff;background:#c23866;box-shadow:0 8px 25px #c2386640}.theme-btn{color:#aaa;cursor:pointer;text-align:left;background:#ffffff0d;border:none;border-radius:12px;align-items:center;gap:13px;width:100%;margin:0;padding:11px 12px;font-size:13px;transition:all .2s;display:flex}.theme-btn:hover{color:#fff;box-shadow:none;background:#ffffff1a;transform:none}.version{color:#666;justify-content:space-between;margin-top:18px;padding:0 10px;font-size:10px;display:flex}.version span{color:#555}.main-content{box-sizing:border-box;justify-content:center;width:100%;min-height:100vh;margin-left:276px;padding:35px 30px;transition:margin-left .3s;display:flex}.App{width:100%;max-width:850px;margin:0;padding:20px}h1{letter-spacing:2px;color:#0000;background:linear-gradient(90deg,#c23866,#ff7da4,#fff,#c23866) 0 0/300%;-webkit-background-clip:text;background-clip:text;margin-bottom:15px;font-size:3rem;font-weight:800;animation:5s linear infinite gradientMove}@keyframes gradientMove{to{background-position:300%}}.game-info{justify-content:center;gap:15px;margin:20px 0;display:flex}.game-info>div{color:#aaa;background:#ffffff0a;border:1px solid #ffffff12;border-radius:14px;min-width:100px;padding:12px 18px;font-size:13px;transition:all .2s}.game-info>div:hover{background:#ffffff12;transform:translateY(-2px)}.game-info strong{color:#fff;margin-top:3px;font-size:18px;display:block}.App>button{color:#fff;cursor:pointer;background:#c23866;border:none;border-radius:12px;padding:11px 24px;font-weight:700;transition:all .2s}.App>button:hover{background:#d94b78;transform:translateY(-2px);box-shadow:0 8px 25px #c238664d}.App>button:active{transform:translateY(0)}.App h2{margin:20px 0;font-size:1.4rem;animation:.4s messageAppear}@keyframes messageAppear{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.card-grid{grid-template-columns:repeat(4,1fr);gap:16px;width:100%;max-width:620px;margin:30px auto;display:grid}.card{aspect-ratio:1;cursor:pointer;perspective:1000px;width:100%;transition:transform .25s,filter .25s}.card:hover{filter:drop-shadow(0 8px 15px #c238664d);transform:translateY(-6px)scale(1.03)}.card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s;position:relative}.card.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{backface-visibility:hidden;border-radius:14px;width:100%;height:100%;position:absolute;overflow:hidden}.card-front{background:#fff;transform:rotateY(180deg);box-shadow:0 8px 20px #0003}.card-front img{object-fit:cover;width:100%;height:100%}.card-back{color:#fff;background:radial-gradient(circle at 30% 20%,#e85d88,#c23866 45%,#8f2149);justify-content:center;align-items:center;font-size:3rem;font-weight:700;display:flex;box-shadow:inset 0 0 0 2px #ffffff1f,0 8px 20px #0003}.card.flipped .card-front{box-shadow:0 0 0 2px #ffcb0559,0 0 25px #ffcb0533}@media (width<=700px){.sidebar{flex-direction:row;align-items:center;width:auto;height:62px;padding:10px 12px;inset:10px 10px auto}.sidebar.expanded{width:auto}.sidebar-nav,.sidebar-bottom{display:none}.sidebar-top{width:100%;margin:0}.main-content{margin-left:0;padding:95px 15px 20px}.App{padding:10px}h1{font-size:2.3rem}.game-info{gap:10px}.game-info>div{min-width:85px;padding:10px 14px}.card-grid{grid-template-columns:repeat(3,1fr);gap:10px}.card,.card-front,.card-back{border-radius:10px}}@media (width<=420px){.main-content{padding-left:10px;padding-right:10px}h1{font-size:2rem}.card-grid{gap:8px}.game-info>div{min-width:75px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.app-layout{min-height:100vh;display:flex}.sidebar{background:#211a2b;flex-direction:column;flex-shrink:0;width:230px;min-height:100vh;padding:20px 14px;transition:width .25s;display:flex}.sidebar.collapsed{width:70px}.sidebar-top{justify-content:space-between;align-items:center;margin-bottom:35px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-icon{background:#c23866;border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.brand-name{white-space:nowrap;font-size:16px;font-weight:700}.collapse-btn{color:#fff;cursor:pointer;background:0 0;border:none;padding:6px}.sidebar-nav{flex-direction:column;gap:28px;display:flex}.nav-section{flex-direction:column;gap:6px;display:flex}.section-title{color:#8d8497;letter-spacing:1px;margin:0 10px 6px;font-size:11px}.nav-item,.theme-btn{color:#bdb5c7;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:12px;width:100%;padding:11px 12px;font-size:14px;display:flex}.nav-item:hover,.theme-btn:hover{color:#fff;background:#30263b}.nav-item.active{color:#fff;background:#c23866}.sidebar-bottom{margin-top:auto}.theme-btn{margin-bottom:20px}.version{color:#756c80;padding:0 10px;font-size:11px}.version span{margin-left:5px}.main-content{flex:1;min-width:0}.hero-heading{margin-bottom:35px}.hero-small-text{letter-spacing:3px;opacity:.7;margin-bottom:10px;font-size:11px;font-weight:600}.hero-heading h1{letter-spacing:-7px;text-transform:uppercase;flex-direction:column;align-items:center;margin:0;font-size:clamp(4rem,11vw,9rem);font-weight:900;line-height:.78;display:flex}.hero-heading h1 span{display:block}.hero-description{letter-spacing:4px;text-transform:uppercase;opacity:.7;margin-top:25px;font-size:14px}.game-actions{justify-content:center;gap:12px;margin:20px 0 30px;display:flex}.game-button{cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s;display:flex}.new-game-button{color:#fff;background:#c23866}.new-game-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #c2386659}.high-score-button{color:#fff;background:#30263b;border:1px solid #4b3c58}.high-score-button:hover{background:#3b2d47;transform:translateY(-2px)}.used-card{opacity:.65}
