:root{--primary-color:#f90;--primary-hover:#ffa31a;--bg-color:#000;--header-bg:#1b1b1b;--card-bg:#1b1b1b;--text-color:#fff;--text-secondary:#999;--border-color:#333;--error-color:#ef4444;--font-family:Arial, Helvetica, sans-serif;--input-bg:#282828}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;height:100dvh;overflow-x:hidden}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;padding-bottom:env(safe-area-inset-bottom);line-height:1.2}img{max-width:100%;height:auto}button{cursor:pointer;color:inherit;touch-action:manipulation;background:0 0;border:none;padding:0;font-family:inherit;transition:all .2s}button:disabled{opacity:.6;cursor:not-allowed}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 15px}header.main-header{background-color:var(--header-bg);z-index:1000;border-bottom:1px solid #000;padding:10px 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