:root{--bg: #1b1d21;--panel: #262a30;--text: #e8e8e8;--muted: #9aa0a6;--accent: #5b9bd5;--danger: #c0504d;--win: #6bbf6b;--loss: #d9625f;font-family:system-ui,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}a{color:var(--accent)}main{max-width:1000px;margin:0 auto;padding:16px}.nav{display:flex;align-items:center;gap:24px;padding:10px 20px;background:var(--panel)}.nav nav{display:flex;gap:16px;flex:1}.nav a{text-decoration:none;color:var(--muted)}.nav a.active,.nav .brand{color:var(--text)}.nav .brand{font-weight:700;font-size:1.1rem}.nav-user{display:flex;gap:12px;align-items:center}button,select,input{font:inherit;padding:8px 12px;border-radius:6px;border:1px solid #3a3f47;background:#30353d;color:var(--text)}button{cursor:pointer;background:var(--accent);border-color:transparent;color:#fff}button:disabled{opacity:.4;cursor:default}button.danger{background:var(--danger)}.nav-user 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