body{margin:0;font-family:Arial,sans-serif;background:#07131d;color:white}
.landing{min-height:100vh;background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.8)),radial-gradient(circle at top,#10354d,#07131d);padding:40px}
.overlay{text-align:center}
.overlay h1{font-size:90px;color:#ffb347;margin:0}
.buttons a{display:inline-block;padding:15px 28px;background:#c64f1e;color:#fff;text-decoration:none;border-radius:10px;margin:10px}
.preview-ui{display:grid;grid-template-columns:260px 1fr 260px;gap:20px;margin-top:30px}
.panel,.sidebar,.rightbar,.topbar{background:#0d2130;border:2px solid #d48b2e;border-radius:18px;padding:20px}
.pond,.main-pond{height:650px;border-radius:50%;position:relative;overflow:hidden;background:radial-gradient(circle,#1297b0,#0a4f61);border:6px solid #c89038}
.fish{position:absolute;width:100px;height:40px;border-radius:40px;background:linear-gradient(90deg,#fff,#ff652f,#fff)}
.fish1{top:80px;left:100px;animation:swim1 14s infinite linear}
.fish2{top:240px;left:420px;animation:swim2 18s infinite linear}
.fish3{top:440px;left:220px;animation:swim3 16s infinite linear}
.fish4{top:540px;left:620px;animation:swim4 20s infinite linear}
.fish5{top:320px;left:760px;animation:swim5 15s infinite linear}
@keyframes swim1{50%{transform:translate(220px,120px)}}
@keyframes swim2{50%{transform:translate(-220px,90px)}}
@keyframes swim3{50%{transform:translate(160px,-120px)}}
@keyframes swim4{50%{transform:translate(-140px,-150px)}}
@keyframes swim5{50%{transform:translate(-240px,120px)}}
.task,.koi-card,.menu-btn,.stat{background:#132b3f;padding:14px;border-radius:10px;margin-bottom:10px}
.auth{display:flex;justify-content:center;align-items:center;min-height:100vh;background:#07131d}
.auth-box{width:360px;background:#0d2130;padding:40px;border-radius:20px;border:2px solid #d48b2e;display:flex;flex-direction:column;gap:15px}
input,button{padding:14px;border:none;border-radius:10px}
button{background:#c64f1e;color:#fff;font-weight:bold}
.game-ui{display:grid;grid-template-columns:240px 1fr 260px;gap:20px;padding:20px}
.actions{display:flex;gap:10px;margin-top:20px}